Update glslang

src/libraries/glslang/SPIRV/GLSL.ext.EXT.h

@@ -36,5 +36,6 @@ static const char* const E_SPV_EXT_fragment_fully_covered = "SPV_EXT_fragment_fu
 static const char* const E_SPV_EXT_fragment_invocation_density = "SPV_EXT_fragment_invocation_density";
 static const char* const E_SPV_EXT_demote_to_helper_invocation = "SPV_EXT_demote_to_helper_invocation";
 static const char* const E_SPV_EXT_shader_atomic_float_add = "SPV_EXT_shader_atomic_float_add";
+static const char* const E_SPV_EXT_shader_image_int64 = "SPV_EXT_shader_image_int64";
 
 #endif  // #ifndef GLSLextEXT_H

src/libraries/glslang/SPIRV/GLSL.ext.KHR.h

@@ -48,4 +48,8 @@ static const char* const E_SPV_KHR_shader_clock                 = "SPV_KHR_shade
 static const char* const E_SPV_KHR_non_semantic_info            = "SPV_KHR_non_semantic_info";
 static const char* const E_SPV_KHR_ray_tracing                  = "SPV_KHR_ray_tracing";
 static const char* const E_SPV_KHR_ray_query                    = "SPV_KHR_ray_query";
+static const char* const E_SPV_KHR_fragment_shading_rate        = "SPV_KHR_fragment_shading_rate";
+static const char* const E_SPV_KHR_terminate_invocation         = "SPV_KHR_terminate_invocation";
+static const char* const E_SPV_KHR_workgroup_memory_explicit_layout = "SPV_KHR_workgroup_memory_explicit_layout";
+
 #endif  // #ifndef GLSLextKHR_H

src/libraries/glslang/SPIRV/GlslangToSpv.cpp

@@ -149,6 +149,7 @@ protected:
     spv::Decoration TranslateInterpolationDecoration(const glslang::TQualifier& qualifier);
     spv::Decoration TranslateAuxiliaryStorageDecoration(const glslang::TQualifier& qualifier);
     spv::Decoration TranslateNonUniformDecoration(const glslang::TQualifier& qualifier);
+    spv::Decoration TranslateNonUniformDecoration(const spv::Builder::AccessChain::CoherentFlags& coherentFlags);
     spv::Builder::AccessChain::CoherentFlags TranslateCoherent(const glslang::TType& type);
     spv::MemoryAccessMask TranslateMemoryAccess(const spv::Builder::AccessChain::CoherentFlags &coherentFlags);
     spv::ImageOperandsMask TranslateImageOperands(const spv::Builder::AccessChain::CoherentFlags &coherentFlags);
@@ -189,6 +190,7 @@ protected:
     bool originalParam(glslang::TStorageQualifier, const glslang::TType&, bool implicitThisParam);
     void makeFunctions(const glslang::TIntermSequence&);
     void makeGlobalInitializers(const glslang::TIntermSequence&);
+    void collectRayTracingLinkerObjects();
     void visitFunctions(const glslang::TIntermSequence&);
     void handleFunctionEntry(const glslang::TIntermAggregate* node);
     void translateArguments(const glslang::TIntermAggregate& node, std::vector<spv::Id>& arguments,
@@ -253,17 +255,17 @@ protected:
     bool nanMinMaxClamp;               // true if use NMin/NMax/NClamp instead of FMin/FMax/FClamp
     spv::Id stdBuiltins;
     spv::Id nonSemanticDebugPrintf;
-    std::unordered_map<const char*, spv::Id> extBuiltinMap;
+    std::unordered_map<std::string, spv::Id> extBuiltinMap;
 
-    std::unordered_map<int, spv::Id> symbolValues;
-    std::unordered_set<int> rValueParameters;  // set of formal function parameters passed as rValues,
+    std::unordered_map<long long, spv::Id> symbolValues;
+    std::unordered_set<long long> rValueParameters;  // set of formal function parameters passed as rValues,
                                                // rather than a pointer
     std::unordered_map<std::string, spv::Function*> functionMap;
     std::unordered_map<const glslang::TTypeList*, spv::Id> structMap[glslang::ElpCount][glslang::ElmCount];
     // for mapping glslang block indices to spv indices (e.g., due to hidden members):
-    std::unordered_map<int, std::vector<int>> memberRemapper;
+    std::unordered_map<long long, std::vector<int>> memberRemapper;
     // for mapping glslang symbol struct to symbol Id
-    std::unordered_map<const glslang::TTypeList*, int> glslangTypeToIdMap;
+    std::unordered_map<const glslang::TTypeList*, long long> glslangTypeToIdMap;
     std::stack<bool> breakForLoop;  // false means break for switch
     std::unordered_map<std::string, const glslang::TIntermSymbol*> counterOriginator;
     // Map pointee types for EbtReference to their forward pointers
@@ -272,6 +274,9 @@ protected:
     // requiring local translation to and from SPIR-V type on every access.
     // Maps <builtin-variable-id -> AST-required-type-id>
     std::unordered_map<spv::Id, spv::Id> forceType;
+
+    // Used later for generating OpTraceKHR/OpExecuteCallableKHR
+    std::unordered_map<unsigned int, glslang::TIntermSymbol *> locationToSymbol[2];
 };
 
 //
@@ -375,6 +380,7 @@ spv::Decoration TranslateBlockDecoration(const glslang::TType& type, bool useSto
         case glslang::EvqBuffer:       return useStorageBuffer ? spv::DecorationBlock : spv::DecorationBufferBlock;
         case glslang::EvqVaryingIn:    return spv::DecorationBlock;
         case glslang::EvqVaryingOut:   return spv::DecorationBlock;
+        case glslang::EvqShared:       return spv::DecorationBlock;
 #ifndef GLSLANG_WEB
         case glslang::EvqPayload:      return spv::DecorationBlock;
         case glslang::EvqPayloadIn:    return spv::DecorationBlock;
@@ -431,6 +437,7 @@ spv::Decoration TranslateLayoutDecoration(const glslang::TType& type, glslang::T
             break;
         case glslang::EbtBlock:
             switch (type.getQualifier().storage) {
+            case glslang::EvqShared:
             case glslang::EvqUniform:
             case glslang::EvqBuffer:
                 switch (type.getQualifier().layoutPacking) {
@@ -539,6 +546,20 @@ spv::Decoration TGlslangToSpvTraverser::TranslateNonUniformDecoration(const glsl
         return spv::DecorationMax;
 }
 
+// If lvalue flags contains nonUniform, return SPIR-V NonUniform decoration.
+spv::Decoration TGlslangToSpvTraverser::TranslateNonUniformDecoration(
+    const spv::Builder::AccessChain::CoherentFlags& coherentFlags)
+{
+#ifndef GLSLANG_WEB
+    if (coherentFlags.isNonUniform()) {
+        builder.addIncorporatedExtension("SPV_EXT_descriptor_indexing", spv::Spv_1_5);
+        builder.addCapability(spv::CapabilityShaderNonUniformEXT);
+        return spv::DecorationNonUniformEXT;
+    } else
+#endif
+        return spv::DecorationMax;
+}
+
 spv::MemoryAccessMask TGlslangToSpvTraverser::TranslateMemoryAccess(
     const spv::Builder::AccessChain::CoherentFlags &coherentFlags)
 {
@@ -614,6 +635,7 @@ spv::Builder::AccessChain::CoherentFlags TGlslangToSpvTraverser::TranslateCohere
                        flags.volatil;
     flags.isImage = type.getBasicType() == glslang::EbtSampler;
 #endif
+    flags.nonUniform = type.getQualifier().nonUniform;
     return flags;
 }
 
@@ -709,13 +731,20 @@ spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltI
         return spv::BuiltInCullDistance;
 
     case glslang::EbvViewportIndex:
-        builder.addCapability(spv::CapabilityMultiViewport);
+        if (glslangIntermediate->getStage() == EShLangGeometry ||
+            glslangIntermediate->getStage() == EShLangFragment) {
+            builder.addCapability(spv::CapabilityMultiViewport);
+        }
         if (glslangIntermediate->getStage() == EShLangVertex ||
             glslangIntermediate->getStage() == EShLangTessControl ||
             glslangIntermediate->getStage() == EShLangTessEvaluation) {
 
-            builder.addIncorporatedExtension(spv::E_SPV_EXT_shader_viewport_index_layer, spv::Spv_1_5);
-            builder.addCapability(spv::CapabilityShaderViewportIndexLayerEXT);
+            if (builder.getSpvVersion() < spv::Spv_1_5) {
+                builder.addIncorporatedExtension(spv::E_SPV_EXT_shader_viewport_index_layer, spv::Spv_1_5);
+                builder.addCapability(spv::CapabilityShaderViewportIndexLayerEXT);
+            }
+            else
+                builder.addCapability(spv::CapabilityShaderViewportIndex);
         }
         return spv::BuiltInViewportIndex;
 
@@ -734,13 +763,19 @@ spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltI
         if (glslangIntermediate->getStage() == EShLangMeshNV) {
             return spv::BuiltInLayer;
         }
-        builder.addCapability(spv::CapabilityGeometry);
+        if (glslangIntermediate->getStage() == EShLangGeometry ||
+            glslangIntermediate->getStage() == EShLangFragment) {
+            builder.addCapability(spv::CapabilityGeometry);
+        }
         if (glslangIntermediate->getStage() == EShLangVertex ||
             glslangIntermediate->getStage() == EShLangTessControl ||
             glslangIntermediate->getStage() == EShLangTessEvaluation) {
 
-            builder.addIncorporatedExtension(spv::E_SPV_EXT_shader_viewport_index_layer, spv::Spv_1_5);
-            builder.addCapability(spv::CapabilityShaderViewportIndexLayerEXT);
+            if (builder.getSpvVersion() < spv::Spv_1_5) {
+                builder.addIncorporatedExtension(spv::E_SPV_EXT_shader_viewport_index_layer, spv::Spv_1_5);
+                builder.addCapability(spv::CapabilityShaderViewportIndexLayerEXT);
+            } else
+                builder.addCapability(spv::CapabilityShaderLayer);
         }
         return spv::BuiltInLayer;
 
@@ -769,6 +804,16 @@ spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltI
         builder.addCapability(spv::CapabilityStencilExportEXT);
         return spv::BuiltInFragStencilRefEXT;
 
+    case glslang::EbvShadingRateKHR:
+        builder.addExtension(spv::E_SPV_KHR_fragment_shading_rate);
+        builder.addCapability(spv::CapabilityFragmentShadingRateKHR);
+        return spv::BuiltInShadingRateKHR;
+
+    case glslang::EbvPrimitiveShadingRateKHR:
+        builder.addExtension(spv::E_SPV_KHR_fragment_shading_rate);
+        builder.addCapability(spv::CapabilityFragmentShadingRateKHR);
+        return spv::BuiltInPrimitiveShadingRateKHR;
+
     case glslang::EbvInvocationId:         return spv::BuiltInInvocationId;
     case glslang::EbvTessLevelInner:       return spv::BuiltInTessLevelInner;
     case glslang::EbvTessLevelOuter:       return spv::BuiltInTessLevelOuter;
@@ -963,7 +1008,17 @@ spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltI
     case glslang::EbvInstanceCustomIndex:
         return spv::BuiltInInstanceCustomIndexKHR;
     case glslang::EbvHitT:
-        return spv::BuiltInHitTKHR;
+        {
+            // this is a GLSL alias of RayTmax
+            // in SPV_NV_ray_tracing it has a dedicated builtin
+            // but in SPV_KHR_ray_tracing it gets mapped to RayTmax
+            auto& extensions = glslangIntermediate->getRequestedExtensions();
+            if (extensions.find("GL_NV_ray_tracing") != extensions.end()) {
+                return spv::BuiltInHitTNV;
+            } else {
+                return spv::BuiltInRayTmaxKHR;
+            }
+        }
     case glslang::EbvHitKind:
         return spv::BuiltInHitKindKHR;
     case glslang::EbvObjectToWorld:
@@ -1071,6 +1126,10 @@ spv::ImageFormat TGlslangToSpvTraverser::TranslateImageFormat(const glslang::TTy
         builder.addCapability(spv::CapabilityStorageImageExtendedFormats);
         break;
 
+    case glslang::ElfR64ui:
+    case glslang::ElfR64i:
+        builder.addExtension(spv::E_SPV_EXT_shader_image_int64);
+        builder.addCapability(spv::CapabilityInt64ImageEXT);
     default:
         break;
     }
@@ -1117,6 +1176,8 @@ spv::ImageFormat TGlslangToSpvTraverser::TranslateImageFormat(const glslang::TTy
     case glslang::ElfRg8ui:         return spv::ImageFormatRg8ui;
     case glslang::ElfR16ui:         return spv::ImageFormatR16ui;
     case glslang::ElfR8ui:          return spv::ImageFormatR8ui;
+    case glslang::ElfR64ui:         return spv::ImageFormatR64ui;
+    case glslang::ElfR64i:          return spv::ImageFormatR64i;
     default:                        return spv::ImageFormatMax;
     }
 }
@@ -1187,7 +1248,7 @@ spv::LoopControlMask TGlslangToSpvTraverser::TranslateLoopControl(const glslang:
 spv::StorageClass TGlslangToSpvTraverser::TranslateStorageClass(const glslang::TType& type)
 {
     if (type.getBasicType() == glslang::EbtRayQuery)
-        return spv::StorageClassFunction;
+        return spv::StorageClassPrivate;
     if (type.getQualifier().isPipeInput())
         return spv::StorageClassInput;
     if (type.getQualifier().isPipeOutput())
@@ -1219,6 +1280,12 @@ spv::StorageClass TGlslangToSpvTraverser::TranslateStorageClass(const glslang::T
         return spv::StorageClassUniformConstant;
     }
 
+    if (type.getQualifier().storage == glslang::EvqShared && type.getBasicType() == glslang::EbtBlock) {
+        builder.addExtension(spv::E_SPV_KHR_workgroup_memory_explicit_layout);
+        builder.addCapability(spv::CapabilityWorkgroupMemoryExplicitLayoutKHR);
+        return spv::StorageClassWorkgroup;
+    }
+
     switch (type.getQualifier().storage) {
     case glslang::EvqGlobal:        return spv::StorageClassPrivate;
     case glslang::EvqConstReadOnly: return spv::StorageClassFunction;
@@ -1353,6 +1420,8 @@ void InheritQualifiers(glslang::TQualifier& child, const glslang::TQualifier& pa
     if (parent.writeonly)
         child.writeonly = true;
 #endif
+    if (parent.nonUniform)
+        child.nonUniform = true;
 }
 
 bool HasNonLayoutQualifiers(const glslang::TType& type, const glslang::TQualifier& qualifier)
@@ -1424,7 +1493,7 @@ TGlslangToSpvTraverser::TGlslangToSpvTraverser(unsigned int spvVersion,
 
     if (glslangIntermediate->usingPhysicalStorageBuffer()) {
         addressingModel = spv::AddressingModelPhysicalStorageBuffer64EXT;
-        builder.addIncorporatedExtension(spv::E_SPV_EXT_physical_storage_buffer, spv::Spv_1_5);
+        builder.addIncorporatedExtension(spv::E_SPV_KHR_physical_storage_buffer, spv::Spv_1_5);
         builder.addCapability(spv::CapabilityPhysicalStorageBufferAddressesEXT);
     }
     if (glslangIntermediate->usingVulkanMemoryModel()) {
@@ -1454,7 +1523,7 @@ TGlslangToSpvTraverser::TGlslangToSpvTraverser(unsigned int spvVersion,
     }
 
     if (glslangIntermediate->getLayoutPrimitiveCulling()) {
-        builder.addCapability(spv::CapabilityRayTraversalPrimitiveCullingProvisionalKHR);
+        builder.addCapability(spv::CapabilityRayTraversalPrimitiveCullingKHR);
     }
 
     unsigned int mode;
@@ -1482,15 +1551,16 @@ TGlslangToSpvTraverser::TGlslangToSpvTraverser(unsigned int spvVersion,
             builder.addExtension(spv::E_SPV_KHR_post_depth_coverage);
         }
 
-        if (glslangIntermediate->getDepth() != glslang::EldUnchanged && glslangIntermediate->isDepthReplacing())
+        if (glslangIntermediate->isDepthReplacing())
             builder.addExecutionMode(shaderEntry, spv::ExecutionModeDepthReplacing);
 
 #ifndef GLSLANG_WEB
 
         switch(glslangIntermediate->getDepth()) {
-        case glslang::EldGreater:  mode = spv::ExecutionModeDepthGreater; break;
-        case glslang::EldLess:     mode = spv::ExecutionModeDepthLess;    break;
-        default:                   mode = spv::ExecutionModeMax;          break;
+        case glslang::EldGreater:   mode = spv::ExecutionModeDepthGreater;   break;
+        case glslang::EldLess:      mode = spv::ExecutionModeDepthLess;      break;
+        case glslang::EldUnchanged: mode = spv::ExecutionModeDepthUnchanged; break;
+        default:                    mode = spv::ExecutionModeMax;            break;
         }
         if (mode != spv::ExecutionModeMax)
             builder.addExecutionMode(shaderEntry, (spv::ExecutionMode)mode);
@@ -1621,7 +1691,7 @@ TGlslangToSpvTraverser::TGlslangToSpvTraverser(unsigned int spvVersion,
     {
         auto& extensions = glslangIntermediate->getRequestedExtensions();
         if (extensions.find("GL_NV_ray_tracing") == extensions.end()) {
-            builder.addCapability(spv::CapabilityRayTracingProvisionalKHR);
+            builder.addCapability(spv::CapabilityRayTracingKHR);
             builder.addExtension("SPV_KHR_ray_tracing");
         }
         else {
@@ -1710,6 +1780,12 @@ void TGlslangToSpvTraverser::visitSymbol(glslang::TIntermSymbol* symbol)
     if (symbol->getType().getQualifier().isSpecConstant())
         spec_constant_op_mode_setter.turnOnSpecConstantOpMode();
 
+#ifdef ENABLE_HLSL
+    // Skip symbol handling if it is string-typed
+    if (symbol->getBasicType() == glslang::EbtString)
+        return;
+#endif
+
     // getSymbolId() will set up all the IO decorations on the first call.
     // Formal function parameters were mapped during makeFunctions().
     spv::Id id = getSymbolId(symbol);
@@ -1852,9 +1928,11 @@ bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::T
                 spv::Id leftRValue = accessChainLoad(node->getLeft()->getType());
 
                 // do the operation
+                spv::Builder::AccessChain::CoherentFlags coherentFlags = TranslateCoherent(node->getLeft()->getType());
+                coherentFlags |= TranslateCoherent(node->getRight()->getType());
                 OpDecorations decorations = { TranslatePrecisionDecoration(node->getOperationPrecision()),
                                               TranslateNoContractionDecoration(node->getType().getQualifier()),
-                                              TranslateNonUniformDecoration(node->getType().getQualifier()) };
+                                              TranslateNonUniformDecoration(coherentFlags) };
                 rValue = createBinaryOperation(node->getOp(), decorations,
                                                convertGlslangToSpvType(node->getType()), leftRValue, rValue,
                                                node->getType().getBasicType());
@@ -1885,13 +1963,16 @@ bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::T
             if (! node->getLeft()->getType().isArray() &&
                 node->getLeft()->getType().isVector() &&
                 node->getOp() == glslang::EOpIndexDirect) {
+                // Swizzle is uniform so propagate uniform into access chain
+                spv::Builder::AccessChain::CoherentFlags coherentFlags = TranslateCoherent(node->getLeft()->getType());
+                coherentFlags.nonUniform = 0;
                 // This is essentially a hard-coded vector swizzle of size 1,
                 // so short circuit the access-chain stuff with a swizzle.
                 std::vector<unsigned> swizzle;
                 swizzle.push_back(glslangIndex);
                 int dummySize;
                 builder.accessChainPushSwizzle(swizzle, convertGlslangToSpvType(node->getLeft()->getType()),
-                                               TranslateCoherent(node->getLeft()->getType()),
+                                               coherentFlags,
                                                glslangIntermediate->getBaseAlignmentScalar(
                                                    node->getLeft()->getType(), dummySize));
             } else {
@@ -1914,7 +1995,7 @@ bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::T
                 {
                     // This may be, e.g., an anonymous block-member selection, which generally need
                     // index remapping due to hidden members in anonymous blocks.
-                    int glslangId = glslangTypeToIdMap[node->getLeft()->getType().getStruct()];
+                    long long glslangId = glslangTypeToIdMap[node->getLeft()->getType().getStruct()];
                     if (memberRemapper.find(glslangId) != memberRemapper.end()) {
                         std::vector<int>& remapper = memberRemapper[glslangId];
                         assert(remapper.size() > 0);
@@ -1922,9 +2003,14 @@ bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::T
                     }
                 }
 
+                // Struct reference propagates uniform lvalue
+                spv::Builder::AccessChain::CoherentFlags coherentFlags =
+                        TranslateCoherent(node->getLeft()->getType());
+                coherentFlags.nonUniform = 0;
+
                 // normal case for indexing array or structure or block
                 builder.accessChainPush(builder.makeIntConstant(spvIndex),
-                    TranslateCoherent(node->getLeft()->getType()),
+                        coherentFlags,
                         node->getLeft()->getType().getBufferReferenceAlignment());
 
                 // Add capabilities here for accessing PointSize and clip/cull distance.
@@ -1958,15 +2044,20 @@ bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::T
             // restore the saved access chain
             builder.setAccessChain(partial);
 
+            // Only if index is nonUniform should we propagate nonUniform into access chain
+            spv::Builder::AccessChain::CoherentFlags index_flags = TranslateCoherent(node->getRight()->getType());
+            spv::Builder::AccessChain::CoherentFlags coherent_flags = TranslateCoherent(node->getLeft()->getType());
+            coherent_flags.nonUniform = index_flags.nonUniform;
+
             if (! node->getLeft()->getType().isArray() && node->getLeft()->getType().isVector()) {
                 int dummySize;
-                builder.accessChainPushComponent(index, convertGlslangToSpvType(node->getLeft()->getType()),
-                                                TranslateCoherent(node->getLeft()->getType()),
+                builder.accessChainPushComponent(
+                    index, convertGlslangToSpvType(node->getLeft()->getType()), coherent_flags,
                                                 glslangIntermediate->getBaseAlignmentScalar(node->getLeft()->getType(),
                                                 dummySize));
             } else
-                builder.accessChainPush(index, TranslateCoherent(node->getLeft()->getType()),
-                    node->getLeft()->getType().getBufferReferenceAlignment());
+                builder.accessChainPush(index, coherent_flags,
+                                        node->getLeft()->getType().getBufferReferenceAlignment());
         }
         return false;
     case glslang::EOpVectorSwizzle:
@@ -2050,8 +2141,9 @@ std::pair<spv::Id, spv::Id> TGlslangToSpvTraverser::getForcedType(glslang::TBuil
             // these require changing a 64-bit scaler -> a vector of 32-bit components
             if (glslangType.isVector())
                 break;
-            std::pair<spv::Id, spv::Id> ret(builder.makeVectorType(builder.makeUintType(32), 4),
-                                            builder.makeUintType(64));
+            spv::Id ivec4_type = builder.makeVectorType(builder.makeUintType(32), 4);
+            spv::Id uint64_type = builder.makeUintType(64);
+            std::pair<spv::Id, spv::Id> ret(ivec4_type, uint64_type);
             return ret;
         }
         // There are no SPIR-V builtins defined for these and map onto original non-transposed
@@ -2090,7 +2182,7 @@ spv::Id TGlslangToSpvTraverser::translateForcedType(spv::Id object)
             // handle 32-bit v.xy* -> 64-bit
             builder.clearAccessChain();
             builder.setAccessChainLValue(object);
-            object = builder.accessChainLoad(spv::NoPrecision, spv::DecorationMax, objectTypeId);
+            object = builder.accessChainLoad(spv::NoPrecision, spv::DecorationMax, spv::DecorationMax, objectTypeId);
             std::vector<spv::Id> components;
             components.push_back(builder.createCompositeExtract(object, builder.getContainedTypeId(objectTypeId), 0));
             components.push_back(builder.createCompositeExtract(object, builder.getContainedTypeId(objectTypeId), 1));
@@ -2106,7 +2198,7 @@ spv::Id TGlslangToSpvTraverser::translateForcedType(spv::Id object)
             // and we insert a transpose after loading the original non-transposed builtins
             builder.clearAccessChain();
             builder.setAccessChainLValue(object);
-            object = builder.accessChainLoad(spv::NoPrecision, spv::DecorationMax, objectTypeId);
+            object = builder.accessChainLoad(spv::NoPrecision, spv::DecorationMax, spv::DecorationMax, objectTypeId);
             return builder.createUnaryOp(spv::OpTranspose, desiredTypeId, object);
 
     } else  {
@@ -2292,7 +2384,8 @@ bool TGlslangToSpvTraverser::visitUnary(glslang::TVisit /* visit */, glslang::TI
 
             // The result of operation is always stored, but conditionally the
             // consumed result.  The consumed result is always an r-value.
-            builder.accessChainStore(result);
+            builder.accessChainStore(result,
+                                     TranslateNonUniformDecoration(builder.getAccessChain().coherentFlags));
             builder.clearAccessChain();
             if (node->getOp() == glslang::EOpPreIncrement ||
                 node->getOp() == glslang::EOpPreDecrement)
@@ -2421,6 +2514,10 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
             // anything else gets there, so visit out of order, doing them all now.
             makeGlobalInitializers(node->getAsAggregate()->getSequence());
 
+            //Pre process linker objects for ray tracing stages
+            if (glslangIntermediate->isRayTracingStage())
+                collectRayTracingLinkerObjects();
+
             // Initializers are done, don't want to visit again, but functions and link objects need to be processed,
             // so do them manually.
             visitFunctions(node->getAsAggregate()->getSequence());
@@ -2611,6 +2708,10 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
         else
             constructed = builder.createConstructor(precision, arguments, resultType());
 
+        if (node->getType().getQualifier().isNonUniform()) {
+            builder.addDecoration(constructed, spv::DecorationNonUniformEXT);
+        }
+
         builder.clearAccessChain();
         builder.setAccessChainRValue(constructed);
 
@@ -2683,6 +2784,7 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
         break;
 
     case glslang::EOpAtomicAdd:
+    case glslang::EOpAtomicSubtract:
     case glslang::EOpAtomicMin:
     case glslang::EOpAtomicMax:
     case glslang::EOpAtomicAnd:
@@ -2726,10 +2828,12 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
         binOp = node->getOp();
         break;
 
-    case glslang::EOpIgnoreIntersection:
-    case glslang::EOpTerminateRay:
-    case glslang::EOpTrace:
-    case glslang::EOpExecuteCallable:
+    case glslang::EOpIgnoreIntersectionNV:
+    case glslang::EOpTerminateRayNV:
+    case glslang::EOpTraceNV:
+    case glslang::EOpTraceKHR:
+    case glslang::EOpExecuteCallableNV:
+    case glslang::EOpExecuteCallableKHR:
     case glslang::EOpWritePackedPrimitiveIndices4x8NV:
         noReturnValue = true;
         break;
@@ -2738,7 +2842,7 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
     case glslang::EOpRayQueryGenerateIntersection:
     case glslang::EOpRayQueryConfirmIntersection:
         builder.addExtension("SPV_KHR_ray_query");
-        builder.addCapability(spv::CapabilityRayQueryProvisionalKHR);
+        builder.addCapability(spv::CapabilityRayQueryKHR);
         noReturnValue = true;
         break;
     case glslang::EOpRayQueryProceed:
@@ -2761,7 +2865,7 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
     case glslang::EOpRayQueryGetIntersectionObjectToWorld:
     case glslang::EOpRayQueryGetIntersectionWorldToObject:
         builder.addExtension("SPV_KHR_ray_query");
-        builder.addCapability(spv::CapabilityRayQueryProvisionalKHR);
+        builder.addCapability(spv::CapabilityRayQueryKHR);
         break;
     case glslang::EOpCooperativeMatrixLoad:
     case glslang::EOpCooperativeMatrixStore:
@@ -2852,6 +2956,7 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
             break;
 
         case glslang::EOpAtomicAdd:
+        case glslang::EOpAtomicSubtract:
         case glslang::EOpAtomicMin:
         case glslang::EOpAtomicMax:
         case glslang::EOpAtomicAnd:
@@ -3014,11 +3119,18 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
                     )) {
                 bool cond = glslangOperands[arg]->getAsConstantUnion()->getConstArray()[0].getBConst();
                 operands.push_back(builder.makeIntConstant(cond ? 1 : 0));
-            }
-            else {
+             } else if ((arg == 10 && glslangOp == glslang::EOpTraceKHR) ||
+                        (arg == 1  && glslangOp == glslang::EOpExecuteCallableKHR)) {
+                 const int opdNum = glslangOp == glslang::EOpTraceKHR ? 10 : 1;
+                 const int set = glslangOp == glslang::EOpTraceKHR ? 0 : 1;
+                 const int location = glslangOperands[opdNum]->getAsConstantUnion()->getConstArray()[0].getUConst();
+                 auto itNode = locationToSymbol[set].find(location);
+                 visitSymbol(itNode->second);
+                 spv::Id symId = getSymbolId(itNode->second);
+                 operands.push_back(symId);
+             } else {
                 operands.push_back(accessChainLoad(glslangOperands[arg]->getAsTyped()->getType()));
-            }
-
+             }
         }
     }
 
@@ -3054,7 +3166,9 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
 #endif
     if (atomic) {
         // Handle all atomics
-        result = createAtomicOperation(node->getOp(), precision, resultType(), operands, node->getBasicType(),
+        glslang::TBasicType typeProxy = (node->getOp() == glslang::EOpAtomicStore)
+            ? node->getSequence()[0]->getAsTyped()->getBasicType() : node->getBasicType();
+        result = createAtomicOperation(node->getOp(), precision, resultType(), operands, typeProxy,
             lvalueCoherentFlags);
     } else if (node->getOp() == glslang::EOpDebugPrintf) {
         if (!nonSemanticDebugPrintf) {
@@ -3089,7 +3203,8 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
 
         for (unsigned int i = 0; i < temporaryLvalues.size(); ++i) {
             builder.setAccessChain(complexLvalues[i]);
-            builder.accessChainStore(builder.createLoad(temporaryLvalues[i], spv::NoPrecision));
+            builder.accessChainStore(builder.createLoad(temporaryLvalues[i], spv::NoPrecision),
+                TranslateNonUniformDecoration(complexLvalues[i].coherentFlags));
         }
     }
 
@@ -3420,7 +3535,11 @@ bool TGlslangToSpvTraverser::visitBranch(glslang::TVisit /* visit */, glslang::T
 
     switch (node->getFlowOp()) {
     case glslang::EOpKill:
-        builder.makeDiscard();
+        builder.makeStatementTerminator(spv::OpKill, "post-discard");
+        break;
+    case glslang::EOpTerminateInvocation:
+        builder.addExtension(spv::E_SPV_KHR_terminate_invocation);
+        builder.makeStatementTerminator(spv::OpTerminateInvocation, "post-terminate-invocation");
         break;
     case glslang::EOpBreak:
         if (breakForLoop.top())
@@ -3457,6 +3576,12 @@ bool TGlslangToSpvTraverser::visitBranch(glslang::TVisit /* visit */, glslang::T
         builder.addExtension(spv::E_SPV_EXT_demote_to_helper_invocation);
         builder.addCapability(spv::CapabilityDemoteToHelperInvocationEXT);
         break;
+    case glslang::EOpTerminateRayKHR:
+        builder.makeStatementTerminator(spv::OpTerminateRayKHR, "post-terminateRayKHR");
+        break;
+    case glslang::EOpIgnoreIntersectionKHR:
+        builder.makeStatementTerminator(spv::OpIgnoreIntersectionKHR, "post-ignoreIntersectionKHR");
+        break;
 #endif
 
     default:
@@ -3511,6 +3636,11 @@ spv::Id TGlslangToSpvTraverser::createSpvVariable(const glslang::TIntermSymbol*
             break;
 #endif
         default:
+            if (storageClass == spv::StorageClassWorkgroup &&
+                node->getType().getBasicType() == glslang::EbtBlock) {
+                builder.addCapability(spv::CapabilityWorkgroupMemoryExplicitLayout16BitAccessKHR);
+                break;
+            }
             if (node->getType().contains16BitFloat())
                 builder.addCapability(spv::CapabilityFloat16);
             if (node->getType().contains16BitInt())
@@ -3529,6 +3659,9 @@ spv::Id TGlslangToSpvTraverser::createSpvVariable(const glslang::TIntermSymbol*
         } else if (storageClass == spv::StorageClassStorageBuffer) {
             builder.addIncorporatedExtension(spv::E_SPV_KHR_8bit_storage, spv::Spv_1_5);
             builder.addCapability(spv::CapabilityStorageBuffer8BitAccess);
+        } else if (storageClass == spv::StorageClassWorkgroup &&
+                   node->getType().getBasicType() == glslang::EbtBlock) {
+            builder.addCapability(spv::CapabilityWorkgroupMemoryExplicitLayout8BitAccessKHR);
         } else {
             builder.addCapability(spv::CapabilityInt8);
         }
@@ -3540,13 +3673,14 @@ spv::Id TGlslangToSpvTraverser::createSpvVariable(const glslang::TIntermSymbol*
 
     spv::Id initializer = spv::NoResult;
 
-    if (node->getType().getQualifier().storage == glslang::EvqUniform &&
-        !node->getConstArray().empty()) {
-            int nextConst = 0;
-            initializer = createSpvConstantFromConstUnionArray(node->getType(),
-                                                               node->getConstArray(),
-                                                               nextConst,
-                                                               false /* specConst */);
+    if (node->getType().getQualifier().storage == glslang::EvqUniform && !node->getConstArray().empty()) {
+        int nextConst = 0;
+        initializer = createSpvConstantFromConstUnionArray(node->getType(),
+                                                           node->getConstArray(),
+                                                           nextConst,
+                                                           false /* specConst */);
+    } else if (node->getType().getQualifier().isNullInit()) {
+        initializer = builder.makeNullConstant(spvType);
     }
 
     return builder.createVariable(spv::NoPrecision, storageClass, spvType, name, initializer);
@@ -3564,6 +3698,12 @@ spv::Id TGlslangToSpvTraverser::getSampledType(const glslang::TSampler& sampler)
             builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float_fetch);
             builder.addCapability(spv::CapabilityFloat16ImageAMD);
             return builder.makeFloatType(16);
+        case glslang::EbtInt64:      return builder.makeIntType(64);
+            builder.addExtension(spv::E_SPV_EXT_shader_image_int64);
+            builder.addCapability(spv::CapabilityFloat16ImageAMD);
+        case glslang::EbtUint64:     return builder.makeUintType(64);
+            builder.addExtension(spv::E_SPV_EXT_shader_image_int64);
+            builder.addCapability(spv::CapabilityFloat16ImageAMD);
 #endif
         default:
             assert(0);
@@ -3670,10 +3810,36 @@ spv::Id TGlslangToSpvTraverser::convertGlslangToSpvType(const glslang::TType& ty
         spvType = builder.makeUintType(32);
         break;
     case glslang::EbtAccStruct:
+        switch (glslangIntermediate->getStage()) {
+        case EShLangRayGen:
+        case EShLangIntersect:
+        case EShLangAnyHit:
+        case EShLangClosestHit:
+        case EShLangMiss:
+        case EShLangCallable:
+            // these all should have the RayTracingNV/KHR capability already
+            break;
+        default:
+            {
+                auto& extensions = glslangIntermediate->getRequestedExtensions();
+                if (extensions.find("GL_EXT_ray_query") != extensions.end()) {
+                    builder.addExtension(spv::E_SPV_KHR_ray_query);
+                    builder.addCapability(spv::CapabilityRayQueryKHR);
+                }
+            }
+            break;
+        }
         spvType = builder.makeAccelerationStructureType();
         break;
     case glslang::EbtRayQuery:
-        spvType = builder.makeRayQueryType();
+        {
+            auto& extensions = glslangIntermediate->getRequestedExtensions();
+            if (extensions.find("GL_EXT_ray_query") != extensions.end()) {
+                builder.addExtension(spv::E_SPV_KHR_ray_query);
+                builder.addCapability(spv::CapabilityRayQueryKHR);
+            }
+            spvType = builder.makeRayQueryType();
+        }
         break;
     case glslang::EbtReference:
         {
@@ -3929,6 +4095,8 @@ void TGlslangToSpvTraverser::decorateStructType(const glslang::TType& type,
     // Name and decorate the non-hidden members
     int offset = -1;
     int locationOffset = 0;  // for use within the members of this struct
+    bool memberLocationInvalid = type.isArrayOfArrays() ||
+        (type.isArray() && (type.getQualifier().isArrayedIo(glslangIntermediate->getStage()) == false));
     for (int i = 0; i < (int)glslangMembers->size(); i++) {
         glslang::TType& glslangMember = *(*glslangMembers)[i].type;
         int member = i;
@@ -3981,7 +4149,7 @@ void TGlslangToSpvTraverser::decorateStructType(const glslang::TType& type,
         // just track whether a member needs to be decorated.
         // Ignore member locations if the container is an array, as that's
         // ill-specified and decisions have been made to not allow this.
-        if (! type.isArray() && memberQualifier.hasLocation())
+        if (!memberLocationInvalid && memberQualifier.hasLocation())
             builder.addMemberDecoration(spvType, member, spv::DecorationLocation, memberQualifier.layoutLocation);
 
         if (qualifier.hasLocation())      // track for upcoming inheritance
@@ -4087,6 +4255,7 @@ spv::Id TGlslangToSpvTraverser::accessChainLoad(const glslang::TType& type)
     alignment |= type.getBufferReferenceAlignment();
 
     spv::Id loadedId = builder.accessChainLoad(TranslatePrecisionDecoration(type),
+        TranslateNonUniformDecoration(builder.getAccessChain().coherentFlags),
         TranslateNonUniformDecoration(type.getQualifier()),
         nominalTypeId,
         spv::MemoryAccessMask(TranslateMemoryAccess(coherentFlags) & ~spv::MemoryAccessMakePointerAvailableKHRMask),
@@ -4154,7 +4323,7 @@ void TGlslangToSpvTraverser::accessChainStore(const glslang::TType& type, spv::I
     unsigned int alignment = builder.getAccessChain().alignment;
     alignment |= type.getBufferReferenceAlignment();
 
-    builder.accessChainStore(rvalue,
+    builder.accessChainStore(rvalue, TranslateNonUniformDecoration(builder.getAccessChain().coherentFlags),
                              spv::MemoryAccessMask(TranslateMemoryAccess(coherentFlags) &
                                 ~spv::MemoryAccessMakePointerVisibleKHRMask),
                              TranslateMemoryScope(coherentFlags), alignment);
@@ -4259,6 +4428,7 @@ glslang::TLayoutPacking TGlslangToSpvTraverser::getExplicitLayout(const glslang:
     // has to be a uniform or buffer block or task in/out blocks
     if (type.getQualifier().storage != glslang::EvqUniform &&
         type.getQualifier().storage != glslang::EvqBuffer &&
+        type.getQualifier().storage != glslang::EvqShared &&
         !type.getQualifier().isTaskMemory())
         return glslang::ElpNone;
 
@@ -4542,7 +4712,39 @@ void TGlslangToSpvTraverser::makeGlobalInitializers(const glslang::TIntermSequen
         }
     }
 }
+// Walk over all linker objects to create a map for payload and callable data linker objects
+// and their location to be used during codegen for OpTraceKHR and OpExecuteCallableKHR
+// This is done here since it is possible that these linker objects are not be referenced in the AST
+void TGlslangToSpvTraverser::collectRayTracingLinkerObjects()
+{
+    glslang::TIntermAggregate* linkerObjects = glslangIntermediate->findLinkerObjects();
+    for (auto& objSeq : linkerObjects->getSequence()) {
+        auto objNode = objSeq->getAsSymbolNode();
+        if (objNode != nullptr) {
+            if (objNode->getQualifier().hasLocation()) {
+                unsigned int location = objNode->getQualifier().layoutLocation;
+                auto st = objNode->getQualifier().storage;
+                int set;
+                switch (st)
+                {
+                case glslang::EvqPayload:
+                case glslang::EvqPayloadIn:
+                    set = 0;
+                    break;
+                case glslang::EvqCallableData:
+                case glslang::EvqCallableDataIn:
+                    set = 1;
+                    break;
 
+                default:
+                    set = -1;
+                }
+                if (set != -1)
+                    locationToSymbol[set].insert(std::make_pair(location, objNode));
+            }
+        }
+    }
+}
 // Process all the functions, while skipping initializers.
 void TGlslangToSpvTraverser::visitFunctions(const glslang::TIntermSequence& glslFunctions)
 {
@@ -4686,8 +4888,10 @@ void TGlslangToSpvTraverser::translateArguments(const glslang::TIntermAggregate&
         }
 
         if (lvalue) {
-            arguments.push_back(builder.accessChainGetLValue());
+            spv::Id lvalue_id = builder.accessChainGetLValue();
+            arguments.push_back(lvalue_id);
             lvalueCoherentFlags = builder.getAccessChain().coherentFlags;
+            builder.addDecoration(lvalue_id, TranslateNonUniformDecoration(lvalueCoherentFlags));
             lvalueCoherentFlags |= TranslateCoherent(glslangArguments[i]->getAsTyped()->getType());
         } else
 #endif
@@ -4750,12 +4954,15 @@ spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermO
 
     const bool isUnsignedResult = node->getType().getBasicType() == glslang::EbtUint;
 
+    if (builder.isSampledImage(params.sampler) &&
+        ((cracked.query && node->getOp() != glslang::EOpTextureQueryLod) || cracked.fragMask || cracked.fetch)) {
+        params.sampler = builder.createUnaryOp(spv::OpImage, builder.getImageType(params.sampler), params.sampler);
+        if (imageType.getQualifier().isNonUniform()) {
+            builder.addDecoration(params.sampler, spv::DecorationNonUniformEXT);
+        }
+    }
     // Check for queries
     if (cracked.query) {
-        // OpImageQueryLod works on a sampled image, for other queries the image has to be extracted first
-        if (node->getOp() != glslang::EOpTextureQueryLod && builder.isSampledImage(params.sampler))
-            params.sampler = builder.createUnaryOp(spv::OpImage, builder.getImageType(params.sampler), params.sampler);
-
         switch (node->getOp()) {
         case glslang::EOpImageQuerySize:
         case glslang::EOpTextureQuerySize:
@@ -5009,10 +5216,6 @@ spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermO
         auto opIt = arguments.begin();
         std::vector<spv::Id> operands;
 
-        // Extract the image if necessary
-        if (builder.isSampledImage(params.sampler))
-            params.sampler = builder.createUnaryOp(spv::OpImage, builder.getImageType(params.sampler), params.sampler);
-
         operands.push_back(params.sampler);
         ++opIt;
 
@@ -5073,13 +5276,6 @@ spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermO
             bias = true;
     }
 
-    // See if the sampler param should really be just the SPV image part
-    if (cracked.fetch) {
-        // a fetch needs to have the image extracted first
-        if (builder.isSampledImage(params.sampler))
-            params.sampler = builder.createUnaryOp(spv::OpImage, builder.getImageType(params.sampler), params.sampler);
-    }
-
 #ifndef GLSLANG_WEB
     if (cracked.gather) {
         const auto& sourceExtensions = glslangIntermediate->getRequestedExtensions();
@@ -5239,7 +5435,7 @@ spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermO
 
             builder.accessChainPush(builder.makeIntConstant(i), flags, 0);
             builder.accessChainStore(builder.createCompositeExtract(res, builder.getContainedTypeId(resType, i+1),
-                i+1));
+                i+1), TranslateNonUniformDecoration(imageType.getQualifier()));
         }
         return builder.createCompositeExtract(res, resultType(), 0);
     }
@@ -5375,6 +5571,7 @@ spv::Id TGlslangToSpvTraverser::handleUserFunctionCall(const glslang::TIntermAgg
     // 3. Make the call.
     spv::Id result = builder.createFunctionCall(function, spvArgs);
     builder.setPrecision(result, TranslatePrecisionDecoration(node->getType()));
+    builder.addDecoration(result, TranslateNonUniformDecoration(node->getType().getQualifier()));
 
     // 4. Copy back out an "out" arguments.
     lValueCount = 0;
@@ -5384,6 +5581,7 @@ spv::Id TGlslangToSpvTraverser::handleUserFunctionCall(const glslang::TIntermAgg
         else if (writableParam(qualifiers[a])) {
             if (qualifiers[a] == glslang::EvqOut || qualifiers[a] == glslang::EvqInOut) {
                 spv::Id copy = builder.createLoad(spvArgs[a], spv::NoPrecision);
+                builder.addDecoration(copy, TranslateNonUniformDecoration(argTypes[a]->getQualifier()));
                 builder.setAccessChain(lValues[lValueCount]);
                 multiTypeStore(*argTypes[a], copy);
             }
@@ -6171,6 +6369,11 @@ spv::Id TGlslangToSpvTraverser::createUnaryOperation(glslang::TOperator op, OpDe
     case glslang::EOpConstructReference:
         unaryOp = spv::OpBitcast;
         break;
+
+    case glslang::EOpConvUint64ToAccStruct:
+    case glslang::EOpConvUvec2ToAccStruct:
+        unaryOp = spv::OpConvertUToAccelerationStructureKHR;
+        break;
 #endif
 
     case glslang::EOpCopyObject:
@@ -6633,9 +6836,6 @@ spv::Id TGlslangToSpvTraverser::createConversion(glslang::TOperator op, OpDecora
         break;
     case glslang::EOpConvPtrToUvec2:
     case glslang::EOpConvUvec2ToPtr:
-        if (builder.isVector(operand))
-            builder.promoteIncorporatedExtension(spv::E_SPV_EXT_physical_storage_buffer,
-                                                 spv::E_SPV_KHR_physical_storage_buffer, spv::Spv_1_5);
         convOp = spv::OpBitcast;
         break;
 #endif
@@ -6693,6 +6893,7 @@ spv::Id TGlslangToSpvTraverser::createAtomicOperation(glslang::TOperator op, spv
                 builder.addCapability(spv::CapabilityAtomicFloat64AddEXT);
         }
         break;
+    case glslang::EOpAtomicSubtract:
     case glslang::EOpAtomicCounterSubtract:
         opCode = spv::OpAtomicISub;
         break;
@@ -6815,6 +7016,10 @@ spv::Id TGlslangToSpvTraverser::createAtomicOperation(glslang::TOperator op, spv
         builder.addCapability(spv::CapabilityVulkanMemoryModelKHR);
     }
 
+    if (builder.getConstantScalar(scopeId) == spv::ScopeQueueFamily) {
+        builder.addCapability(spv::CapabilityVulkanMemoryModelKHR);
+    }
+
     if (glslangIntermediate->usingVulkanMemoryModel() && builder.getConstantScalar(scopeId) == spv::ScopeDevice) {
         builder.addCapability(spv::CapabilityVulkanMemoryModelDeviceScopeKHR);
     }
@@ -7757,10 +7962,16 @@ spv::Id TGlslangToSpvTraverser::createMiscOperation(glslang::TOperator op, spv::
         typeId = builder.makeBoolType();
         opCode = spv::OpReportIntersectionKHR;
         break;
-    case glslang::EOpTrace:
+    case glslang::EOpTraceNV:
+        builder.createNoResultOp(spv::OpTraceNV, operands);
+        return 0;
+    case glslang::EOpTraceKHR:
         builder.createNoResultOp(spv::OpTraceRayKHR, operands);
         return 0;
-    case glslang::EOpExecuteCallable:
+    case glslang::EOpExecuteCallableNV:
+        builder.createNoResultOp(spv::OpExecuteCallableNV, operands);
+        return 0;
+    case glslang::EOpExecuteCallableKHR:
         builder.createNoResultOp(spv::OpExecuteCallableKHR, operands);
         return 0;
 
@@ -7805,7 +8016,7 @@ spv::Id TGlslangToSpvTraverser::createMiscOperation(glslang::TOperator op, spv::
         opCode = spv::OpRayQueryGetIntersectionInstanceIdKHR;
         break;
     case glslang::EOpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffset:
-        typeId = builder.makeIntType(32);
+        typeId = builder.makeUintType(32);
         opCode = spv::OpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR;
         break;
     case glslang::EOpRayQueryGetIntersectionGeometryIndex:
@@ -8048,11 +8259,11 @@ spv::Id TGlslangToSpvTraverser::createNoArgOperation(glslang::TOperator op, spv:
         spv::Id id = builder.createBuiltinCall(typeId, getExtBuiltins(spv::E_SPV_AMD_gcn_shader), spv::TimeAMD, args);
         return builder.setPrecision(id, precision);
     }
-    case glslang::EOpIgnoreIntersection:
-        builder.createNoResultOp(spv::OpIgnoreIntersectionKHR);
+    case glslang::EOpIgnoreIntersectionNV:
+        builder.createNoResultOp(spv::OpIgnoreIntersectionNV);
         return 0;
-    case glslang::EOpTerminateRay:
-        builder.createNoResultOp(spv::OpTerminateRayKHR);
+    case glslang::EOpTerminateRayNV:
+        builder.createNoResultOp(spv::OpTerminateRayNV);
         return 0;
     case glslang::EOpRayQueryInitialize:
         builder.createNoResultOp(spv::OpRayQueryInitializeKHR);
@@ -8180,7 +8391,8 @@ spv::Id TGlslangToSpvTraverser::getSymbolId(const glslang::TIntermSymbol* symbol
     }
 
 #ifndef GLSLANG_WEB
-    if (symbol->getType().isImage()) {
+    // Subgroup builtins which have input storage class are volatile for ray tracing stages.
+    if (symbol->getType().isImage() || symbol->getQualifier().isPipeInput()) {
         std::vector<spv::Decoration> memory;
         TranslateMemoryDecoration(symbol->getType().getQualifier(), memory,
             glslangIntermediate->usingVulkanMemoryModel());
@@ -8188,9 +8400,6 @@ spv::Id TGlslangToSpvTraverser::getSymbolId(const glslang::TIntermSymbol* symbol
             builder.addDecoration(id, memory[i]);
     }
 
-    // nonuniform
-    builder.addDecoration(id, TranslateNonUniformDecoration(symbol->getType().getQualifier()));
-
     if (builtIn == spv::BuiltInSampleMask) {
           spv::Decoration decoration;
           // GL_NV_sample_mask_override_coverage extension

src/libraries/glslang/SPIRV/SpvBuilder.cpp

@@ -621,13 +621,13 @@ Id Builder::makeAccelerationStructureType()
 Id Builder::makeRayQueryType()
 {
     Instruction *type;
-    if (groupedTypes[OpTypeRayQueryProvisionalKHR].size() == 0) {
-        type = new Instruction(getUniqueId(), NoType, OpTypeRayQueryProvisionalKHR);
-        groupedTypes[OpTypeRayQueryProvisionalKHR].push_back(type);
+    if (groupedTypes[OpTypeRayQueryKHR].size() == 0) {
+        type = new Instruction(getUniqueId(), NoType, OpTypeRayQueryKHR);
+        groupedTypes[OpTypeRayQueryKHR].push_back(type);
         constantsTypesGlobals.push_back(std::unique_ptr<Instruction>(type));
         module.mapInstruction(type);
     } else {
-        type = groupedTypes[OpTypeRayQueryProvisionalKHR].back();
+        type = groupedTypes[OpTypeRayQueryKHR].back();
     }
 
     return type->getResultId();
@@ -869,6 +869,30 @@ bool Builder::isSpecConstantOpCode(Op opcode) const
     }
 }
 
+Id Builder::makeNullConstant(Id typeId)
+{
+    Instruction* constant;
+
+    // See if we already made it.
+    Id existing = NoResult;
+    for (int i = 0; i < (int)nullConstants.size(); ++i) {
+        constant = nullConstants[i];
+        if (constant->getTypeId() == typeId)
+            existing = constant->getResultId();
+    }
+
+    if (existing != NoResult)
+        return existing;
+
+    // Make it
+    Instruction* c = new Instruction(getUniqueId(), typeId, OpConstantNull);
+    constantsTypesGlobals.push_back(std::unique_ptr<Instruction>(c));
+    nullConstants.push_back(c);
+    module.mapInstruction(c);
+
+    return c->getResultId();
+}
+
 Id Builder::makeBoolConstant(bool b, bool specConstant)
 {
     Id typeId = makeBoolType();
@@ -1447,10 +1471,10 @@ void Builder::leaveFunction()
 }
 
 // Comments in header
-void Builder::makeDiscard()
+void Builder::makeStatementTerminator(spv::Op opcode, const char *name)
 {
-    buildPoint->addInstruction(std::unique_ptr<Instruction>(new Instruction(OpKill)));
-    createAndSetNoPredecessorBlock("post-discard");
+    buildPoint->addInstruction(std::unique_ptr<Instruction>(new Instruction(opcode)));
+    createAndSetNoPredecessorBlock(name);
 }
 
 // Comments in header
@@ -2761,12 +2785,14 @@ void Builder::accessChainPushSwizzle(std::vector<unsigned>& swizzle, Id preSwizz
 }
 
 // Comments in header
-void Builder::accessChainStore(Id rvalue, spv::MemoryAccessMask memoryAccess, spv::Scope scope, unsigned int alignment)
+void Builder::accessChainStore(Id rvalue, Decoration nonUniform, spv::MemoryAccessMask memoryAccess, spv::Scope scope, unsigned int alignment)
 {
     assert(accessChain.isRValue == false);
 
     transferAccessChainSwizzle(true);
     Id base = collapseAccessChain();
+    addDecoration(base, nonUniform);
+
     Id source = rvalue;
 
     // dynamic component should be gone
@@ -2789,8 +2815,9 @@ void Builder::accessChainStore(Id rvalue, spv::MemoryAccessMask memoryAccess, sp
 }
 
 // Comments in header
-Id Builder::accessChainLoad(Decoration precision, Decoration nonUniform, Id resultType,
-    spv::MemoryAccessMask memoryAccess, spv::Scope scope, unsigned int alignment)
+Id Builder::accessChainLoad(Decoration precision, Decoration l_nonUniform,
+    Decoration r_nonUniform, Id resultType, spv::MemoryAccessMask memoryAccess,
+    spv::Scope scope, unsigned int alignment)
 {
     Id id;
 
@@ -2854,9 +2881,9 @@ Id Builder::accessChainLoad(Decoration precision, Decoration nonUniform, Id resu
         // Buffer accesses need the access chain decorated, and this is where
         // loaded image types get decorated. TODO: This should maybe move to
         // createImageTextureFunctionCall.
-        addDecoration(id, nonUniform);
+        addDecoration(id, l_nonUniform);
         id = createLoad(id, precision, memoryAccess, scope, alignment);
-        addDecoration(id, nonUniform);
+        addDecoration(id, r_nonUniform);
     }
 
     // Done, unless there are swizzles to do
@@ -2877,7 +2904,7 @@ Id Builder::accessChainLoad(Decoration precision, Decoration nonUniform, Id resu
     if (accessChain.component != NoResult)
         id = setPrecision(createVectorExtractDynamic(id, resultType, accessChain.component), precision);
 
-    addDecoration(id, nonUniform);
+    addDecoration(id, r_nonUniform);
     return id;
 }
 

src/libraries/glslang/SPIRV/SpvBuilder.h

@@ -293,6 +293,7 @@ public:
     }
 
     // For making new constants (will return old constant if the requested one was already made).
+    Id makeNullConstant(Id typeId);
     Id makeBoolConstant(bool b, bool specConstant = false);
     Id makeInt8Constant(int i, bool specConstant = false)
         { return makeIntConstant(makeIntType(8),  (unsigned)i, specConstant); }
@@ -357,8 +358,9 @@ public:
     // Generate all the code needed to finish up a function.
     void leaveFunction();
 
-    // Create a discard.
-    void makeDiscard();
+    // Create block terminator instruction for certain statements like
+    // discard, terminate-invocation, terminateRayEXT, or ignoreIntersectionEXT
+    void makeStatementTerminator(spv::Op opcode, const char *name);
 
     // Create a global or function local or IO variable.
     Id createVariable(Decoration precision, StorageClass, Id type, const char* name = nullptr,
@@ -624,6 +626,7 @@ public:
             CoherentFlags operator |=(const CoherentFlags &other) { return *this; }
 #else
             bool isVolatile() const { return volatil; }
+            bool isNonUniform() const { return nonUniform; }
             bool anyCoherent() const {
                 return coherent || devicecoherent || queuefamilycoherent || workgroupcoherent ||
                     subgroupcoherent || shadercallcoherent;
@@ -638,6 +641,7 @@ public:
             unsigned nonprivate : 1;
             unsigned volatil : 1;
             unsigned isImage : 1;
+            unsigned nonUniform : 1;
 
             void clear() {
                 coherent = 0;
@@ -649,6 +653,7 @@ public:
                 nonprivate = 0;
                 volatil = 0;
                 isImage = 0;
+                nonUniform = 0;
             }
 
             CoherentFlags operator |=(const CoherentFlags &other) {
@@ -661,6 +666,7 @@ public:
                 nonprivate |= other.nonprivate;
                 volatil |= other.volatil;
                 isImage |= other.isImage;
+                nonUniform |= other.nonUniform;
                 return *this;
             }
 #endif
@@ -721,11 +727,12 @@ public:
     }
 
     // use accessChain and swizzle to store value
-    void accessChainStore(Id rvalue, spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone,
+    void accessChainStore(Id rvalue, Decoration nonUniform,
+        spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone,
         spv::Scope scope = spv::ScopeMax, unsigned int alignment = 0);
 
     // use accessChain and swizzle to load an r-value
-    Id accessChainLoad(Decoration precision, Decoration nonUniform, Id ResultType,
+    Id accessChainLoad(Decoration precision, Decoration l_nonUniform, Decoration r_nonUniform, Id ResultType,
         spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone, spv::Scope scope = spv::ScopeMax,
             unsigned int alignment = 0);
 
@@ -832,6 +839,8 @@ public:
     std::unordered_map<unsigned int, std::vector<Instruction*>> groupedStructConstants;
     // map type opcodes to type instructions
     std::unordered_map<unsigned int, std::vector<Instruction*>> groupedTypes;
+    // list of OpConstantNull instructions
+    std::vector<Instruction*> nullConstants;
 
     // stack of switches
     std::stack<Block*> switchMerges;

src/libraries/glslang/SPIRV/SpvPostProcess.cpp

@@ -436,6 +436,38 @@ void Builder::postProcessFeatures() {
             }
         }
     }
+
+    // If any Vulkan memory model-specific functionality is used, update the
+    // OpMemoryModel to match.
+    if (capabilities.find(spv::CapabilityVulkanMemoryModelKHR) != capabilities.end()) {
+        memoryModel = spv::MemoryModelVulkanKHR;
+        addIncorporatedExtension(spv::E_SPV_KHR_vulkan_memory_model, spv::Spv_1_5);
+    }
+
+    // Add Aliased decoration if there's more than one Workgroup Block variable.
+    if (capabilities.find(spv::CapabilityWorkgroupMemoryExplicitLayoutKHR) != capabilities.end()) {
+        assert(entryPoints.size() == 1);
+        auto &ep = entryPoints[0];
+
+        std::vector<Id> workgroup_variables;
+        for (int i = 0; i < (int)ep->getNumOperands(); i++) {
+            if (!ep->isIdOperand(i))
+                continue;
+
+            const Id id = ep->getIdOperand(i);
+            const Instruction *instr = module.getInstruction(id);
+            if (instr->getOpCode() != spv::OpVariable)
+                continue;
+
+            if (instr->getImmediateOperand(0) == spv::StorageClassWorkgroup)
+                workgroup_variables.push_back(id);
+        }
+
+        if (workgroup_variables.size() > 1) {
+            for (size_t i = 0; i < workgroup_variables.size(); i++)
+                addDecoration(workgroup_variables[i], spv::DecorationAliased);
+        }
+    }
 }
 #endif
 

src/libraries/glslang/SPIRV/SpvTools.cpp

@@ -44,7 +44,6 @@
 
 #include "SpvTools.h"
 #include "spirv-tools/optimizer.hpp"
-#include "spirv-tools/libspirv.h"
 
 namespace glslang {
 
@@ -114,11 +113,18 @@ void OptimizerMesssageConsumer(spv_message_level_t level, const char *source,
     out << std::endl;
 }
 
-// Use the SPIRV-Tools disassembler to print SPIR-V.
+// Use the SPIRV-Tools disassembler to print SPIR-V using a SPV_ENV_UNIVERSAL_1_3 environment.
 void SpirvToolsDisassemble(std::ostream& out, const std::vector<unsigned int>& spirv)
+{
+    SpirvToolsDisassemble(out, spirv, spv_target_env::SPV_ENV_UNIVERSAL_1_3);
+}
+
+// Use the SPIRV-Tools disassembler to print SPIR-V with a provided SPIR-V environment.
+void SpirvToolsDisassemble(std::ostream& out, const std::vector<unsigned int>& spirv,
+                           spv_target_env requested_context)
 {
     // disassemble
-    spv_context context = spvContextCreate(SPV_ENV_UNIVERSAL_1_3);
+    spv_context context = spvContextCreate(requested_context);
     spv_text text;
     spv_diagnostic diagnostic = nullptr;
     spvBinaryToText(context, spirv.data(), spirv.size(),
@@ -147,6 +153,8 @@ void SpirvToolsValidate(const glslang::TIntermediate& intermediate, std::vector<
     spv_validator_options options = spvValidatorOptionsCreate();
     spvValidatorOptionsSetRelaxBlockLayout(options, intermediate.usingHlslOffsets());
     spvValidatorOptionsSetBeforeHlslLegalization(options, prelegalization);
+    spvValidatorOptionsSetScalarBlockLayout(options, intermediate.usingScalarBlockLayout());
+    spvValidatorOptionsSetWorkgroupScalarBlockLayout(options, intermediate.usingScalarBlockLayout());
     spvValidateWithOptions(context, options, &binary, &diagnostic);
 
     // report
@@ -174,10 +182,7 @@ void SpirvToolsTransform(const glslang::TIntermediate& intermediate, std::vector
     // line information into all SPIR-V instructions. This avoids loss of
     // information when instructions are deleted or moved. Later, remove
     // redundant information to minimize final SPRIR-V size.
-    if (options->generateDebugInfo) {
-        optimizer.RegisterPass(spvtools::CreatePropagateLineInfoPass());
-    }
-    else if (options->stripDebugInfo) {
+    if (options->stripDebugInfo) {
         optimizer.RegisterPass(spvtools::CreateStripDebugInfoPass());
     }
     optimizer.RegisterPass(spvtools::CreateWrapOpKillPass());
@@ -207,9 +212,6 @@ void SpirvToolsTransform(const glslang::TIntermediate& intermediate, std::vector
     }
     optimizer.RegisterPass(spvtools::CreateAggressiveDCEPass());
     optimizer.RegisterPass(spvtools::CreateCFGCleanupPass());
-    if (options->generateDebugInfo) {
-        optimizer.RegisterPass(spvtools::CreateRedundantLineInfoElimPass());
-    }
 
     spvtools::OptimizerOptions spvOptOptions;
     optimizer.SetTargetEnv(MapToSpirvToolsEnv(intermediate.getSpv(), logger));

src/libraries/glslang/SPIRV/SpvTools.h

@@ -41,9 +41,10 @@
 #ifndef GLSLANG_SPV_TOOLS_H
 #define GLSLANG_SPV_TOOLS_H
 
-#ifdef ENABLE_OPT
+#if ENABLE_OPT
 #include <vector>
 #include <ostream>
+#include "spirv-tools/libspirv.h"
 #endif
 
 #include "../glslang/MachineIndependent/localintermediate.h"
@@ -62,11 +63,15 @@ struct SpvOptions {
     bool validate;
 };
 
-#ifdef ENABLE_OPT
+#if ENABLE_OPT
 
-// Use the SPIRV-Tools disassembler to print SPIR-V.
+// Use the SPIRV-Tools disassembler to print SPIR-V using a SPV_ENV_UNIVERSAL_1_3 environment.
 void SpirvToolsDisassemble(std::ostream& out, const std::vector<unsigned int>& spirv);
 
+// Use the SPIRV-Tools disassembler to print SPIR-V with a provided SPIR-V environment.
+void SpirvToolsDisassemble(std::ostream& out, const std::vector<unsigned int>& spirv,
+                           spv_target_env requested_context);
+
 // Apply the SPIRV-Tools validator to generated SPIR-V.
 void SpirvToolsValidate(const glslang::TIntermediate& intermediate, std::vector<unsigned int>& spirv,
                         spv::SpvBuildLogger*, bool prelegalization);

src/libraries/glslang/SPIRV/doc.cpp

@@ -372,6 +372,8 @@ const char* BuiltInString(int builtIn)
     case 4424: return "BaseVertex";
     case 4425: return "BaseInstance";
     case 4426: return "DrawIndex";
+    case 4432: return "PrimitiveShadingRateKHR";
+    case 4444: return "ShadingRateKHR";
     case 5014: return "FragStencilRefEXT";
 
     case 4992: return "BaryCoordNoPerspAMD";
@@ -393,7 +395,7 @@ const char* BuiltInString(int builtIn)
     case BuiltInRayGeometryIndexKHR:         return "RayGeometryIndexKHR";
     case BuiltInObjectToWorldKHR:            return "ObjectToWorldKHR";
     case BuiltInWorldToObjectKHR:            return "WorldToObjectKHR";
-    case BuiltInHitTKHR:                     return "HitTKHR";
+    case BuiltInHitTNV:                      return "HitTNV";
     case BuiltInHitKindKHR:                  return "HitKindKHR";
     case BuiltInIncomingRayFlagsKHR:         return "IncomingRayFlagsKHR";
     case BuiltInViewportMaskNV:              return "ViewportMaskNV";
@@ -521,6 +523,8 @@ const char* ImageFormatString(int format)
     case 37: return "Rg8ui";
     case 38: return "R16ui";
     case 39: return "R8ui";
+    case 40: return "R64ui";
+    case 41: return "R64i";
 
     default:
         return "Bad";
@@ -911,9 +915,10 @@ const char* CapabilityString(int info)
     case CapabilityPerViewAttributesNV:             return "PerViewAttributesNV";
     case CapabilityGroupNonUniformPartitionedNV:    return "GroupNonUniformPartitionedNV";
     case CapabilityRayTracingNV:                    return "RayTracingNV";
+    case CapabilityRayTracingKHR:                   return "RayTracingKHR";
+    case CapabilityRayQueryKHR:                     return "RayQueryKHR";
     case CapabilityRayTracingProvisionalKHR:        return "RayTracingProvisionalKHR";
-    case CapabilityRayQueryProvisionalKHR:          return "RayQueryProvisionalKHR";
-    case CapabilityRayTraversalPrimitiveCullingProvisionalKHR: return "RayTraversalPrimitiveCullingProvisionalKHR";
+    case CapabilityRayTraversalPrimitiveCullingKHR: return "RayTraversalPrimitiveCullingKHR";
     case CapabilityComputeDerivativeGroupQuadsNV:   return "ComputeDerivativeGroupQuadsNV";
     case CapabilityComputeDerivativeGroupLinearNV:  return "ComputeDerivativeGroupLinearNV";
     case CapabilityFragmentBarycentricNV:           return "FragmentBarycentricNV";
@@ -952,14 +957,21 @@ const char* CapabilityString(int info)
     case CapabilityFragmentShaderPixelInterlockEXT:         return "CapabilityFragmentShaderPixelInterlockEXT";
     case CapabilityFragmentShaderShadingRateInterlockEXT:   return "CapabilityFragmentShaderShadingRateInterlockEXT";
 
+    case CapabilityFragmentShadingRateKHR:                  return "FragmentShadingRateKHR";
+
     case CapabilityDemoteToHelperInvocationEXT:             return "DemoteToHelperInvocationEXT";
     case CapabilityShaderClockKHR:                          return "ShaderClockKHR";
+    case CapabilityInt64ImageEXT:                           return "Int64ImageEXT";
 
     case CapabilityIntegerFunctions2INTEL:              return "CapabilityIntegerFunctions2INTEL";
 
     case CapabilityAtomicFloat32AddEXT:                     return "AtomicFloat32AddEXT";
     case CapabilityAtomicFloat64AddEXT:                     return "AtomicFloat64AddEXT";
 
+    case CapabilityWorkgroupMemoryExplicitLayoutKHR:            return "CapabilityWorkgroupMemoryExplicitLayoutKHR";
+    case CapabilityWorkgroupMemoryExplicitLayout8BitAccessKHR:  return "CapabilityWorkgroupMemoryExplicitLayout8BitAccessKHR";
+    case CapabilityWorkgroupMemoryExplicitLayout16BitAccessKHR: return "CapabilityWorkgroupMemoryExplicitLayout16BitAccessKHR";
+
     default: return "Bad";
     }
 }
@@ -1329,6 +1341,8 @@ const char* OpcodeString(int op)
     case 365: return "OpGroupNonUniformQuadBroadcast";
     case 366: return "OpGroupNonUniformQuadSwap";
 
+    case OpTerminateInvocation: return "OpTerminateInvocation";
+
     case 4421: return "OpSubgroupBallotKHR";
     case 4422: return "OpSubgroupFirstInvocationKHR";
     case 4428: return "OpSubgroupAllKHR";
@@ -1355,17 +1369,23 @@ const char* OpcodeString(int op)
     case OpDecorateStringGOOGLE:       return "OpDecorateStringGOOGLE";
     case OpMemberDecorateStringGOOGLE: return "OpMemberDecorateStringGOOGLE";
 
+    case OpReportIntersectionKHR:             return "OpReportIntersectionKHR";
+    case OpIgnoreIntersectionNV:              return "OpIgnoreIntersectionNV";
+    case OpIgnoreIntersectionKHR:             return "OpIgnoreIntersectionKHR";
+    case OpTerminateRayNV:                    return "OpTerminateRayNV";
+    case OpTerminateRayKHR:                   return "OpTerminateRayKHR";
+    case OpTraceNV:                           return "OpTraceNV";
+    case OpTraceRayKHR:                       return "OpTraceRayKHR";
+    case OpTypeAccelerationStructureKHR:      return "OpTypeAccelerationStructureKHR";
+    case OpExecuteCallableNV:                 return "OpExecuteCallableNV";
+    case OpExecuteCallableKHR:                return "OpExecuteCallableKHR";
+    case OpConvertUToAccelerationStructureKHR: return "OpConvertUToAccelerationStructureKHR";
+
     case OpGroupNonUniformPartitionNV:       return "OpGroupNonUniformPartitionNV";
-    case OpReportIntersectionKHR:            return "OpReportIntersectionKHR";
-    case OpIgnoreIntersectionKHR:            return "OpIgnoreIntersectionKHR";
-    case OpTerminateRayKHR:                  return "OpTerminateRayKHR";
-    case OpTraceRayKHR:                      return "OpTraceRayKHR";
-    case OpTypeAccelerationStructureKHR:     return "OpTypeAccelerationStructureKHR";
-    case OpExecuteCallableKHR:               return "OpExecuteCallableKHR";
     case OpImageSampleFootprintNV:           return "OpImageSampleFootprintNV";
     case OpWritePackedPrimitiveIndices4x8NV: return "OpWritePackedPrimitiveIndices4x8NV";
 
-    case OpTypeRayQueryProvisionalKHR:                                        return "OpTypeRayQueryProvisionalKHR";
+    case OpTypeRayQueryKHR:                                                   return "OpTypeRayQueryKHR";
     case OpRayQueryInitializeKHR:                                             return "OpRayQueryInitializeKHR";
     case OpRayQueryTerminateKHR:                                              return "OpRayQueryTerminateKHR";
     case OpRayQueryGenerateIntersectionKHR:                                   return "OpRayQueryGenerateIntersectionKHR";
@@ -1497,6 +1517,7 @@ void Parameterize()
     InstructionDesc[OpBranchConditional].setResultAndType(false, false);
     InstructionDesc[OpSwitch].setResultAndType(false, false);
     InstructionDesc[OpKill].setResultAndType(false, false);
+    InstructionDesc[OpTerminateInvocation].setResultAndType(false, false);
     InstructionDesc[OpReturn].setResultAndType(false, false);
     InstructionDesc[OpReturnValue].setResultAndType(false, false);
     InstructionDesc[OpUnreachable].setResultAndType(false, false);
@@ -2698,7 +2719,7 @@ void Parameterize()
 
     InstructionDesc[OpGroupNonUniformQuadSwap].operands.push(OperandScope, "'Execution'");
     InstructionDesc[OpGroupNonUniformQuadSwap].operands.push(OperandId, "X");
-    InstructionDesc[OpGroupNonUniformQuadSwap].operands.push(OperandLiteralNumber, "'Direction'");
+    InstructionDesc[OpGroupNonUniformQuadSwap].operands.push(OperandId, "'Direction'");
 
     InstructionDesc[OpSubgroupBallotKHR].operands.push(OperandId, "'Predicate'");
 
@@ -2761,7 +2782,20 @@ void Parameterize()
 
     InstructionDesc[OpTypeAccelerationStructureKHR].setResultAndType(true, false);
 
-    InstructionDesc[OpTraceRayKHR].operands.push(OperandId, "'NV Acceleration Structure'");
+    InstructionDesc[OpTraceNV].operands.push(OperandId, "'Acceleration Structure'");
+    InstructionDesc[OpTraceNV].operands.push(OperandId, "'Ray Flags'");
+    InstructionDesc[OpTraceNV].operands.push(OperandId, "'Cull Mask'");
+    InstructionDesc[OpTraceNV].operands.push(OperandId, "'SBT Record Offset'");
+    InstructionDesc[OpTraceNV].operands.push(OperandId, "'SBT Record Stride'");
+    InstructionDesc[OpTraceNV].operands.push(OperandId, "'Miss Index'");
+    InstructionDesc[OpTraceNV].operands.push(OperandId, "'Ray Origin'");
+    InstructionDesc[OpTraceNV].operands.push(OperandId, "'TMin'");
+    InstructionDesc[OpTraceNV].operands.push(OperandId, "'Ray Direction'");
+    InstructionDesc[OpTraceNV].operands.push(OperandId, "'TMax'");
+    InstructionDesc[OpTraceNV].operands.push(OperandId, "'Payload'");
+    InstructionDesc[OpTraceNV].setResultAndType(false, false);
+
+    InstructionDesc[OpTraceRayKHR].operands.push(OperandId, "'Acceleration Structure'");
     InstructionDesc[OpTraceRayKHR].operands.push(OperandId, "'Ray Flags'");
     InstructionDesc[OpTraceRayKHR].operands.push(OperandId, "'Cull Mask'");
     InstructionDesc[OpTraceRayKHR].operands.push(OperandId, "'SBT Record Offset'");
@@ -2777,17 +2811,28 @@ void Parameterize()
     InstructionDesc[OpReportIntersectionKHR].operands.push(OperandId, "'Hit Parameter'");
     InstructionDesc[OpReportIntersectionKHR].operands.push(OperandId, "'Hit Kind'");
 
+    InstructionDesc[OpIgnoreIntersectionNV].setResultAndType(false, false);
+
     InstructionDesc[OpIgnoreIntersectionKHR].setResultAndType(false, false);
 
+    InstructionDesc[OpTerminateRayNV].setResultAndType(false, false);
+
     InstructionDesc[OpTerminateRayKHR].setResultAndType(false, false);
     
+    InstructionDesc[OpExecuteCallableNV].operands.push(OperandId, "SBT Record Index");
+    InstructionDesc[OpExecuteCallableNV].operands.push(OperandId, "CallableData ID");
+    InstructionDesc[OpExecuteCallableNV].setResultAndType(false, false);
+
     InstructionDesc[OpExecuteCallableKHR].operands.push(OperandId, "SBT Record Index");
-    InstructionDesc[OpExecuteCallableKHR].operands.push(OperandId, "CallableData ID");
+    InstructionDesc[OpExecuteCallableKHR].operands.push(OperandId, "CallableData");
     InstructionDesc[OpExecuteCallableKHR].setResultAndType(false, false);
 
+    InstructionDesc[OpConvertUToAccelerationStructureKHR].operands.push(OperandId, "Value");
+    InstructionDesc[OpConvertUToAccelerationStructureKHR].setResultAndType(true, true);
+
     // Ray Query
     InstructionDesc[OpTypeAccelerationStructureKHR].setResultAndType(true, false);
-    InstructionDesc[OpTypeRayQueryProvisionalKHR].setResultAndType(true, false);
+    InstructionDesc[OpTypeRayQueryKHR].setResultAndType(true, false);
 
     InstructionDesc[OpRayQueryInitializeKHR].operands.push(OperandId, "'RayQuery'");
     InstructionDesc[OpRayQueryInitializeKHR].operands.push(OperandId, "'AccelerationS'");

src/libraries/glslang/SPIRV/spirv.hpp

@@ -50,11 +50,11 @@ namespace spv {
 typedef unsigned int Id;
 
 #define SPV_VERSION 0x10500
-#define SPV_REVISION 3
+#define SPV_REVISION 4
 
 static const unsigned int MagicNumber = 0x07230203;
 static const unsigned int Version = 0x00010500;
-static const unsigned int Revision = 3;
+static const unsigned int Revision = 4;
 static const unsigned int OpCodeMask = 0xffff;
 static const unsigned int WordCountShift = 16;
 
@@ -168,10 +168,16 @@ enum ExecutionMode {
     ExecutionModeSampleInterlockUnorderedEXT = 5369,
     ExecutionModeShadingRateInterlockOrderedEXT = 5370,
     ExecutionModeShadingRateInterlockUnorderedEXT = 5371,
+    ExecutionModeSharedLocalMemorySizeINTEL = 5618,
+    ExecutionModeRoundingModeRTPINTEL = 5620,
+    ExecutionModeRoundingModeRTNINTEL = 5621,
+    ExecutionModeFloatingPointModeALTINTEL = 5622,
+    ExecutionModeFloatingPointModeIEEEINTEL = 5623,
     ExecutionModeMaxWorkgroupSizeINTEL = 5893,
     ExecutionModeMaxWorkDimINTEL = 5894,
     ExecutionModeNoGlobalOffsetINTEL = 5895,
     ExecutionModeNumSIMDWorkitemsINTEL = 5896,
+    ExecutionModeSchedulerTargetFmaxMhzINTEL = 5903,
     ExecutionModeMax = 0x7fffffff,
 };
 
@@ -204,6 +210,8 @@ enum StorageClass {
     StorageClassPhysicalStorageBuffer = 5349,
     StorageClassPhysicalStorageBufferEXT = 5349,
     StorageClassCodeSectionINTEL = 5605,
+    StorageClassDeviceOnlyINTEL = 5936,
+    StorageClassHostOnlyINTEL = 5937,
     StorageClassMax = 0x7fffffff,
 };
 
@@ -274,6 +282,8 @@ enum ImageFormat {
     ImageFormatRg8ui = 37,
     ImageFormatR16ui = 38,
     ImageFormatR8ui = 39,
+    ImageFormatR64ui = 40,
+    ImageFormatR64i = 41,
     ImageFormatMax = 0x7fffffff,
 };
 
@@ -372,6 +382,8 @@ enum FPFastMathModeShift {
     FPFastMathModeNSZShift = 2,
     FPFastMathModeAllowRecipShift = 3,
     FPFastMathModeFastShift = 4,
+    FPFastMathModeAllowContractFastINTELShift = 16,
+    FPFastMathModeAllowReassocINTELShift = 17,
     FPFastMathModeMax = 0x7fffffff,
 };
 
@@ -382,6 +394,8 @@ enum FPFastMathModeMask {
     FPFastMathModeNSZMask = 0x00000004,
     FPFastMathModeAllowRecipMask = 0x00000008,
     FPFastMathModeFastMask = 0x00000010,
+    FPFastMathModeAllowContractFastINTELMask = 0x00010000,
+    FPFastMathModeAllowReassocINTELMask = 0x00020000,
 };
 
 enum FPRoundingMode {
@@ -482,12 +496,22 @@ enum Decoration {
     DecorationRestrictPointerEXT = 5355,
     DecorationAliasedPointer = 5356,
     DecorationAliasedPointerEXT = 5356,
+    DecorationSIMTCallINTEL = 5599,
     DecorationReferencedIndirectlyINTEL = 5602,
+    DecorationClobberINTEL = 5607,
+    DecorationSideEffectsINTEL = 5608,
+    DecorationVectorComputeVariableINTEL = 5624,
+    DecorationFuncParamIOKindINTEL = 5625,
+    DecorationVectorComputeFunctionINTEL = 5626,
+    DecorationStackCallINTEL = 5627,
+    DecorationGlobalVariableOffsetINTEL = 5628,
     DecorationCounterBuffer = 5634,
     DecorationHlslCounterBufferGOOGLE = 5634,
     DecorationHlslSemanticGOOGLE = 5635,
     DecorationUserSemantic = 5635,
     DecorationUserTypeGOOGLE = 5636,
+    DecorationFunctionRoundingModeINTEL = 5822,
+    DecorationFunctionDenormModeINTEL = 5823,
     DecorationRegisterINTEL = 5825,
     DecorationMemoryINTEL = 5826,
     DecorationNumbanksINTEL = 5827,
@@ -500,6 +524,17 @@ enum Decoration {
     DecorationMergeINTEL = 5834,
     DecorationBankBitsINTEL = 5835,
     DecorationForcePow2DepthINTEL = 5836,
+    DecorationBurstCoalesceINTEL = 5899,
+    DecorationCacheSizeINTEL = 5900,
+    DecorationDontStaticallyCoalesceINTEL = 5901,
+    DecorationPrefetchINTEL = 5902,
+    DecorationStallEnableINTEL = 5905,
+    DecorationFuseLoopsInFunctionINTEL = 5907,
+    DecorationBufferLocationINTEL = 5921,
+    DecorationIOPipeStorageINTEL = 5944,
+    DecorationFunctionFloatingPointModeINTEL = 6080,
+    DecorationSingleElementVectorINTEL = 6085,
+    DecorationVectorComputeCallableFunctionINTEL = 6087,
     DecorationMax = 0x7fffffff,
 };
 
@@ -558,8 +593,10 @@ enum BuiltIn {
     BuiltInBaseVertex = 4424,
     BuiltInBaseInstance = 4425,
     BuiltInDrawIndex = 4426,
+    BuiltInPrimitiveShadingRateKHR = 4432,
     BuiltInDeviceIndex = 4438,
     BuiltInViewIndex = 4440,
+    BuiltInShadingRateKHR = 4444,
     BuiltInBaryCoordNoPerspAMD = 4992,
     BuiltInBaryCoordNoPerspCentroidAMD = 4993,
     BuiltInBaryCoordNoPerspSampleAMD = 4994,
@@ -610,7 +647,6 @@ enum BuiltIn {
     BuiltInObjectToWorldNV = 5330,
     BuiltInWorldToObjectKHR = 5331,
     BuiltInWorldToObjectNV = 5331,
-    BuiltInHitTKHR = 5332,
     BuiltInHitTNV = 5332,
     BuiltInHitKindKHR = 5333,
     BuiltInHitKindNV = 5333,
@@ -653,6 +689,7 @@ enum LoopControlShift {
     LoopControlLoopCoalesceINTELShift = 20,
     LoopControlMaxInterleavingINTELShift = 21,
     LoopControlSpeculatedIterationsINTELShift = 22,
+    LoopControlNoFusionINTELShift = 23,
     LoopControlMax = 0x7fffffff,
 };
 
@@ -674,6 +711,7 @@ enum LoopControlMask {
     LoopControlLoopCoalesceINTELMask = 0x00100000,
     LoopControlMaxInterleavingINTELMask = 0x00200000,
     LoopControlSpeculatedIterationsINTELMask = 0x00400000,
+    LoopControlNoFusionINTELMask = 0x00800000,
 };
 
 enum FunctionControlShift {
@@ -870,8 +908,12 @@ enum Capability {
     CapabilityGroupNonUniformQuad = 68,
     CapabilityShaderLayer = 69,
     CapabilityShaderViewportIndex = 70,
+    CapabilityFragmentShadingRateKHR = 4422,
     CapabilitySubgroupBallotKHR = 4423,
     CapabilityDrawParameters = 4427,
+    CapabilityWorkgroupMemoryExplicitLayoutKHR = 4428,
+    CapabilityWorkgroupMemoryExplicitLayout8BitAccessKHR = 4429,
+    CapabilityWorkgroupMemoryExplicitLayout16BitAccessKHR = 4430,
     CapabilitySubgroupVoteKHR = 4431,
     CapabilityStorageBuffer16BitAccess = 4433,
     CapabilityStorageUniformBufferBlock16 = 4433,
@@ -894,12 +936,15 @@ enum Capability {
     CapabilityRoundingModeRTE = 4467,
     CapabilityRoundingModeRTZ = 4468,
     CapabilityRayQueryProvisionalKHR = 4471,
-    CapabilityRayTraversalPrimitiveCullingProvisionalKHR = 4478,
+    CapabilityRayQueryKHR = 4472,
+    CapabilityRayTraversalPrimitiveCullingKHR = 4478,
+    CapabilityRayTracingKHR = 4479,
     CapabilityFloat16ImageAMD = 5008,
     CapabilityImageGatherBiasLodAMD = 5009,
     CapabilityFragmentMaskAMD = 5010,
     CapabilityStencilExportEXT = 5013,
     CapabilityImageReadWriteLodAMD = 5015,
+    CapabilityInt64ImageEXT = 5016,
     CapabilityShaderClockKHR = 5055,
     CapabilitySampleMaskOverrideCoverageNV = 5249,
     CapabilityGeometryShaderPassthroughNV = 5251,
@@ -959,21 +1004,37 @@ enum Capability {
     CapabilitySubgroupBufferBlockIOINTEL = 5569,
     CapabilitySubgroupImageBlockIOINTEL = 5570,
     CapabilitySubgroupImageMediaBlockIOINTEL = 5579,
+    CapabilityRoundToInfinityINTEL = 5582,
+    CapabilityFloatingPointModeINTEL = 5583,
     CapabilityIntegerFunctions2INTEL = 5584,
     CapabilityFunctionPointersINTEL = 5603,
     CapabilityIndirectReferencesINTEL = 5604,
+    CapabilityAsmINTEL = 5606,
+    CapabilityVectorComputeINTEL = 5617,
+    CapabilityVectorAnyINTEL = 5619,
     CapabilitySubgroupAvcMotionEstimationINTEL = 5696,
     CapabilitySubgroupAvcMotionEstimationIntraINTEL = 5697,
     CapabilitySubgroupAvcMotionEstimationChromaINTEL = 5698,
+    CapabilityVariableLengthArrayINTEL = 5817,
+    CapabilityFunctionFloatControlINTEL = 5821,
     CapabilityFPGAMemoryAttributesINTEL = 5824,
+    CapabilityFPFastMathModeINTEL = 5837,
+    CapabilityArbitraryPrecisionIntegersINTEL = 5844,
     CapabilityUnstructuredLoopControlsINTEL = 5886,
     CapabilityFPGALoopControlsINTEL = 5888,
     CapabilityKernelAttributesINTEL = 5892,
     CapabilityFPGAKernelAttributesINTEL = 5897,
+    CapabilityFPGAMemoryAccessesINTEL = 5898,
+    CapabilityFPGAClusterAttributesINTEL = 5904,
+    CapabilityLoopFuseINTEL = 5906,
+    CapabilityFPGABufferLocationINTEL = 5920,
+    CapabilityUSMStorageClassesINTEL = 5935,
+    CapabilityIOPipesINTEL = 5943,
     CapabilityBlockingPipesINTEL = 5945,
     CapabilityFPGARegINTEL = 5948,
     CapabilityAtomicFloat32AddEXT = 6033,
     CapabilityAtomicFloat64AddEXT = 6034,
+    CapabilityLongConstantCompositeINTEL = 6089,
     CapabilityMax = 0x7fffffff,
 };
 
@@ -1024,6 +1085,34 @@ enum RayQueryCandidateIntersectionType {
     RayQueryCandidateIntersectionTypeMax = 0x7fffffff,
 };
 
+enum FragmentShadingRateShift {
+    FragmentShadingRateVertical2PixelsShift = 0,
+    FragmentShadingRateVertical4PixelsShift = 1,
+    FragmentShadingRateHorizontal2PixelsShift = 2,
+    FragmentShadingRateHorizontal4PixelsShift = 3,
+    FragmentShadingRateMax = 0x7fffffff,
+};
+
+enum FragmentShadingRateMask {
+    FragmentShadingRateMaskNone = 0,
+    FragmentShadingRateVertical2PixelsMask = 0x00000001,
+    FragmentShadingRateVertical4PixelsMask = 0x00000002,
+    FragmentShadingRateHorizontal2PixelsMask = 0x00000004,
+    FragmentShadingRateHorizontal4PixelsMask = 0x00000008,
+};
+
+enum FPDenormMode {
+  FPDenormModePreserve = 0,
+  FPDenormModeFlushToZero = 1,
+  FPDenormModeMax = 0x7fffffff,
+};
+
+enum FPOperationMode {
+  FPOperationModeIEEE = 0,
+  FPOperationModeALT = 1,
+  FPOperationModeMax = 0x7fffffff,
+};
+
 enum Op {
     OpNop = 0,
     OpUndef = 1,
@@ -1369,13 +1458,19 @@ enum Op {
     OpPtrEqual = 401,
     OpPtrNotEqual = 402,
     OpPtrDiff = 403,
+    OpTerminateInvocation = 4416,
     OpSubgroupBallotKHR = 4421,
     OpSubgroupFirstInvocationKHR = 4422,
     OpSubgroupAllKHR = 4428,
     OpSubgroupAnyKHR = 4429,
     OpSubgroupAllEqualKHR = 4430,
     OpSubgroupReadInvocationKHR = 4432,
-    OpTypeRayQueryProvisionalKHR = 4472,
+    OpTraceRayKHR = 4445,
+    OpExecuteCallableKHR = 4446,
+    OpConvertUToAccelerationStructureKHR = 4447,
+    OpIgnoreIntersectionKHR = 4448,
+    OpTerminateRayKHR = 4449,
+    OpTypeRayQueryKHR = 4472,
     OpRayQueryInitializeKHR = 4473,
     OpRayQueryTerminateKHR = 4474,
     OpRayQueryGenerateIntersectionKHR = 4475,
@@ -1398,15 +1493,11 @@ enum Op {
     OpWritePackedPrimitiveIndices4x8NV = 5299,
     OpReportIntersectionKHR = 5334,
     OpReportIntersectionNV = 5334,
-    OpIgnoreIntersectionKHR = 5335,
     OpIgnoreIntersectionNV = 5335,
-    OpTerminateRayKHR = 5336,
     OpTerminateRayNV = 5336,
     OpTraceNV = 5337,
-    OpTraceRayKHR = 5337,
     OpTypeAccelerationStructureKHR = 5341,
     OpTypeAccelerationStructureNV = 5341,
-    OpExecuteCallableKHR = 5344,
     OpExecuteCallableNV = 5344,
     OpTypeCooperativeMatrixNV = 5358,
     OpCooperativeMatrixLoadNV = 5359,
@@ -1441,8 +1532,11 @@ enum Op {
     OpUSubSatINTEL = 5596,
     OpIMul32x16INTEL = 5597,
     OpUMul32x16INTEL = 5598,
-    OpFunctionPointerINTEL = 5600,
+    OpConstFunctionPointerINTEL = 5600,
     OpFunctionPointerCallINTEL = 5601,
+    OpAsmTargetINTEL = 5609,
+    OpAsmINTEL = 5610,
+    OpAsmCallINTEL = 5611,
     OpDecorateString = 5632,
     OpDecorateStringGOOGLE = 5632,
     OpMemberDecorateString = 5633,
@@ -1565,7 +1659,12 @@ enum Op {
     OpSubgroupAvcSicGetPackedSkcLumaCountThresholdINTEL = 5814,
     OpSubgroupAvcSicGetPackedSkcLumaSumThresholdINTEL = 5815,
     OpSubgroupAvcSicGetInterRawSadsINTEL = 5816,
+    OpVariableLengthArrayINTEL = 5818,
+    OpSaveMemoryINTEL = 5819,
+    OpRestoreMemoryINTEL = 5820,
     OpLoopControlINTEL = 5887,
+    OpPtrCastToCrossWorkgroupINTEL = 5934,
+    OpCrossWorkgroupCastToPtrINTEL = 5938,
     OpReadPipeBlockingINTEL = 5946,
     OpWritePipeBlockingINTEL = 5947,
     OpFPGARegINTEL = 5949,
@@ -1587,6 +1686,10 @@ enum Op {
     OpRayQueryGetIntersectionObjectToWorldKHR = 6031,
     OpRayQueryGetIntersectionWorldToObjectKHR = 6032,
     OpAtomicFAddEXT = 6035,
+    OpTypeBufferSurfaceINTEL = 6086,
+    OpTypeStructContinuedINTEL = 6090,
+    OpConstantCompositeContinuedINTEL = 6091,
+    OpSpecConstantCompositeContinuedINTEL = 6092,
     OpMax = 0x7fffffff,
 };
 
@@ -1939,13 +2042,19 @@ inline void HasResultAndType(Op opcode, bool *hasResult, bool *hasResultType) {
     case OpPtrEqual: *hasResult = true; *hasResultType = true; break;
     case OpPtrNotEqual: *hasResult = true; *hasResultType = true; break;
     case OpPtrDiff: *hasResult = true; *hasResultType = true; break;
+    case OpTerminateInvocation: *hasResult = false; *hasResultType = false; break;
     case OpSubgroupBallotKHR: *hasResult = true; *hasResultType = true; break;
     case OpSubgroupFirstInvocationKHR: *hasResult = true; *hasResultType = true; break;
     case OpSubgroupAllKHR: *hasResult = true; *hasResultType = true; break;
     case OpSubgroupAnyKHR: *hasResult = true; *hasResultType = true; break;
     case OpSubgroupAllEqualKHR: *hasResult = true; *hasResultType = true; break;
     case OpSubgroupReadInvocationKHR: *hasResult = true; *hasResultType = true; break;
-    case OpTypeRayQueryProvisionalKHR: *hasResult = true; *hasResultType = false; break;
+    case OpTraceRayKHR: *hasResult = false; *hasResultType = false; break;
+    case OpExecuteCallableKHR: *hasResult = false; *hasResultType = false; break;
+    case OpConvertUToAccelerationStructureKHR: *hasResult = true; *hasResultType = true; break;
+    case OpIgnoreIntersectionKHR: *hasResult = false; *hasResultType = false; break;
+    case OpTerminateRayKHR: *hasResult = false; *hasResultType = false; break;
+    case OpTypeRayQueryKHR: *hasResult = true; *hasResultType = false; break;
     case OpRayQueryInitializeKHR: *hasResult = false; *hasResultType = false; break;
     case OpRayQueryTerminateKHR: *hasResult = false; *hasResultType = false; break;
     case OpRayQueryGenerateIntersectionKHR: *hasResult = false; *hasResultType = false; break;
@@ -2005,8 +2114,11 @@ inline void HasResultAndType(Op opcode, bool *hasResult, bool *hasResultType) {
     case OpUSubSatINTEL: *hasResult = true; *hasResultType = true; break;
     case OpIMul32x16INTEL: *hasResult = true; *hasResultType = true; break;
     case OpUMul32x16INTEL: *hasResult = true; *hasResultType = true; break;
-    case OpFunctionPointerINTEL: *hasResult = true; *hasResultType = true; break;
+    case OpConstFunctionPointerINTEL: *hasResult = true; *hasResultType = true; break;
     case OpFunctionPointerCallINTEL: *hasResult = true; *hasResultType = true; break;
+    case OpAsmTargetINTEL: *hasResult = true; *hasResultType = true; break;
+    case OpAsmINTEL: *hasResult = true; *hasResultType = true; break;
+    case OpAsmCallINTEL: *hasResult = true; *hasResultType = true; break;
     case OpDecorateString: *hasResult = false; *hasResultType = false; break;
     case OpMemberDecorateString: *hasResult = false; *hasResultType = false; break;
     case OpVmeImageINTEL: *hasResult = true; *hasResultType = true; break;
@@ -2127,7 +2239,12 @@ inline void HasResultAndType(Op opcode, bool *hasResult, bool *hasResultType) {
     case OpSubgroupAvcSicGetPackedSkcLumaCountThresholdINTEL: *hasResult = true; *hasResultType = true; break;
     case OpSubgroupAvcSicGetPackedSkcLumaSumThresholdINTEL: *hasResult = true; *hasResultType = true; break;
     case OpSubgroupAvcSicGetInterRawSadsINTEL: *hasResult = true; *hasResultType = true; break;
+    case OpVariableLengthArrayINTEL: *hasResult = true; *hasResultType = true; break;
+    case OpSaveMemoryINTEL: *hasResult = true; *hasResultType = true; break;
+    case OpRestoreMemoryINTEL: *hasResult = false; *hasResultType = false; break;
     case OpLoopControlINTEL: *hasResult = false; *hasResultType = false; break;
+    case OpPtrCastToCrossWorkgroupINTEL: *hasResult = true; *hasResultType = true; break;
+    case OpCrossWorkgroupCastToPtrINTEL: *hasResult = true; *hasResultType = true; break;
     case OpReadPipeBlockingINTEL: *hasResult = true; *hasResultType = true; break;
     case OpWritePipeBlockingINTEL: *hasResult = true; *hasResultType = true; break;
     case OpFPGARegINTEL: *hasResult = true; *hasResultType = true; break;
@@ -2149,6 +2266,10 @@ inline void HasResultAndType(Op opcode, bool *hasResult, bool *hasResultType) {
     case OpRayQueryGetIntersectionObjectToWorldKHR: *hasResult = true; *hasResultType = true; break;
     case OpRayQueryGetIntersectionWorldToObjectKHR: *hasResult = true; *hasResultType = true; break;
     case OpAtomicFAddEXT: *hasResult = true; *hasResultType = true; break;
+    case OpTypeBufferSurfaceINTEL: *hasResult = true; *hasResultType = false; break;
+    case OpTypeStructContinuedINTEL: *hasResult = false; *hasResultType = false; break;
+    case OpConstantCompositeContinuedINTEL: *hasResult = false; *hasResultType = false; break;
+    case OpSpecConstantCompositeContinuedINTEL: *hasResult = false; *hasResultType = false; break;
     }
 }
 #endif /* SPV_ENABLE_UTILITY_CODE */
@@ -2164,6 +2285,7 @@ inline MemorySemanticsMask operator|(MemorySemanticsMask a, MemorySemanticsMask
 inline MemoryAccessMask operator|(MemoryAccessMask a, MemoryAccessMask b) { return MemoryAccessMask(unsigned(a) | unsigned(b)); }
 inline KernelProfilingInfoMask operator|(KernelProfilingInfoMask a, KernelProfilingInfoMask b) { return KernelProfilingInfoMask(unsigned(a) | unsigned(b)); }
 inline RayFlagsMask operator|(RayFlagsMask a, RayFlagsMask b) { return RayFlagsMask(unsigned(a) | unsigned(b)); }
+inline FragmentShadingRateMask operator|(FragmentShadingRateMask a, FragmentShadingRateMask b) { return FragmentShadingRateMask(unsigned(a) | unsigned(b)); }
 
 }  // end namespace spv
 

src/libraries/glslang/SPIRV/spvIR.h

@@ -263,6 +263,7 @@ public:
         case OpBranchConditional:
         case OpSwitch:
         case OpKill:
+        case OpTerminateInvocation:
         case OpReturn:
         case OpReturnValue:
         case OpUnreachable:

src/libraries/glslang/glslang/Include/BaseTypes.h

@@ -228,6 +228,9 @@ enum TBuiltInVariable {
     EbvViewIndex,
     EbvDeviceIndex,
 
+    EbvShadingRateKHR,
+    EbvPrimitiveShadingRateKHR,
+
     EbvFragSizeEXT,
     EbvFragInvocationCountEXT,
 
@@ -480,6 +483,9 @@ __inline const char* GetBuiltInVariableString(TBuiltInVariable v)
     case EbvWarpID:                     return "WarpIDNV";
     case EbvSMID:                       return "SMIDNV";
 
+    case EbvShadingRateKHR:             return "ShadingRateKHR";
+    case EbvPrimitiveShadingRateKHR:    return "PrimitiveShadingRateKHR";
+
     default:                      return "unknown built-in variable";
     }
 }

src/libraries/glslang/glslang/Include/Types.h

@@ -406,6 +406,7 @@ enum TLayoutFormat {
     ElfRg8i,
     ElfR16i,
     ElfR8i,
+    ElfR64i,
 
     ElfIntGuard,       // to help with comparisons
 
@@ -423,6 +424,7 @@ enum TLayoutFormat {
     ElfRg8ui,
     ElfR16ui,
     ElfR8ui,
+    ElfR64ui,
 
     ElfCount
 };
@@ -497,7 +499,9 @@ public:
         declaredBuiltIn = EbvNone;
 #ifndef GLSLANG_WEB
         noContraction = false;
+        nullInit = false;
 #endif
+        defaultBlock = false;
     }
 
     // drop qualifiers that don't belong in a temporary variable
@@ -510,6 +514,8 @@ public:
         clearMemory();
         specConstant = false;
         nonUniform = false;
+        nullInit = false;
+        defaultBlock = false;
         clearLayout();
     }
 
@@ -568,6 +574,7 @@ public:
     bool specConstant : 1;
     bool nonUniform   : 1;
     bool explicitOffset   : 1;
+    bool defaultBlock : 1; // default blocks with matching names have structures merged when linking
 
 #ifdef GLSLANG_WEB
     bool isWriteOnly() const { return false; }
@@ -586,6 +593,8 @@ public:
     bool isNoContraction() const { return false; }
     void setNoContraction() { }
     bool isPervertexNV() const { return false; }
+    void setNullInit() { }
+    bool isNullInit() const { return false; }
 #else
     bool noContraction: 1; // prevent contraction and reassociation, e.g., for 'precise' keyword, and expressions it affects
     bool nopersp      : 1;
@@ -607,6 +616,7 @@ public:
     bool subgroupcoherent  : 1;
     bool shadercallcoherent : 1;
     bool nonprivate   : 1;
+    bool nullInit : 1;
     bool isWriteOnly() const { return writeonly; }
     bool isReadOnly() const { return readonly; }
     bool isRestrict() const { return restrict; }
@@ -642,6 +652,8 @@ public:
     bool isNoContraction() const { return noContraction; }
     void setNoContraction() { noContraction = true; }
     bool isPervertexNV() const { return pervertexNV; }
+    void setNullInit() { nullInit = true; }
+    bool isNullInit() const { return nullInit; }
 #endif
 
     bool isPipeInput() const
@@ -747,6 +759,46 @@ public:
         }
     }
 
+    TBlockStorageClass getBlockStorage() const {
+        if (storage == EvqUniform && !isPushConstant()) {
+            return EbsUniform;
+        }
+        else if (storage == EvqUniform) {
+            return EbsPushConstant;
+        }
+        else if (storage == EvqBuffer) {
+            return EbsStorageBuffer;
+        }
+        return EbsNone;
+    }
+
+    void setBlockStorage(TBlockStorageClass newBacking) {
+#ifndef GLSLANG_WEB
+        layoutPushConstant = (newBacking == EbsPushConstant);
+#endif
+        switch (newBacking) {
+        case EbsUniform :
+            if (layoutPacking == ElpStd430) {
+                // std430 would not be valid
+                layoutPacking = ElpStd140;
+            }
+            storage = EvqUniform;
+            break;
+        case EbsStorageBuffer : 
+            storage = EvqBuffer;
+            break;
+#ifndef GLSLANG_WEB
+        case EbsPushConstant :
+            storage = EvqUniform;
+            layoutSet = TQualifier::layoutSetEnd;
+            layoutBinding = TQualifier::layoutBindingEnd;
+            break;
+#endif
+        default:
+            break;
+        }
+    }
+
 #ifdef GLSLANG_WEB
     bool isPerView() const { return false; }
     bool isTaskMemory() const { return false; }
@@ -755,6 +807,12 @@ public:
     bool isPerPrimitive() const { return perPrimitiveNV; }
     bool isPerView() const { return perViewNV; }
     bool isTaskMemory() const { return perTaskNV; }
+    bool isAnyPayload() const {
+        return storage == EvqPayload || storage == EvqPayloadIn;
+    }
+    bool isAnyCallable() const {
+        return storage == EvqCallableData || storage == EvqCallableDataIn;
+    }
 
     // True if this type of IO is supposed to be arrayed with extra level for per-vertex data
     bool isArrayedIo(EShLanguage language) const
@@ -837,6 +895,7 @@ public:
         return hasNonXfbLayout() ||
                hasXfb();
     }
+
     TLayoutMatrix  layoutMatrix  : 3;
     TLayoutPacking layoutPacking : 4;
     int layoutOffset;
@@ -1117,6 +1176,8 @@ public:
         case ElfR32ui:        return "r32ui";
         case ElfR16ui:        return "r16ui";
         case ElfR8ui:         return "r8ui";
+        case ElfR64ui:        return "r64ui";
+        case ElfR64i:         return "r64i";
         default:              return "none";
         }
     }
@@ -1986,6 +2047,7 @@ public:
         case EbtAccStruct:         return "accelerationStructureNV";
         case EbtRayQuery:          return "rayQueryEXT";
         case EbtReference:         return "reference";
+        case EbtString:            return "string";
 #endif
         default:                   return "unknown type";
         }
@@ -2153,6 +2215,8 @@ public:
             appendStr(" specialization-constant");
         if (qualifier.nonUniform)
             appendStr(" nonuniform");
+        if (qualifier.isNullInit())
+            appendStr(" null-init");
         appendStr(" ");
         appendStr(getStorageQualifierString());
         if (isArray()) {
@@ -2272,6 +2336,17 @@ public:
         name += ';' ;
     }
 
+    // These variables are inconsistently declared inside and outside of gl_PerVertex in glslang right now.
+    // They are declared inside of 'in gl_PerVertex', but sitting as standalone when they are 'out'puts.
+    bool isInconsistentGLPerVertexMember(const TString& name) const
+    {
+        if (name == "gl_SecondaryPositionNV" ||
+            name == "gl_PositionPerViewNV")
+            return true;
+        return false;
+    }
+
+
     // Do two structure types match?  They could be declared independently,
     // in different places, but still might satisfy the definition of matching.
     // From the spec:
@@ -2287,22 +2362,48 @@ public:
             (isStruct() && right.isStruct() && structure == right.structure))
             return true;
 
-        // Both being nullptr was caught above, now they both have to be structures of the same number of elements
-        if (!isStruct() || !right.isStruct() ||
-            structure->size() != right.structure->size())
-            return false;
-
         // Structure names have to match
         if (*typeName != *right.typeName)
             return false;
 
-        // Compare the names and types of all the members, which have to match
-        for (unsigned int i = 0; i < structure->size(); ++i) {
-            if ((*structure)[i].type->getFieldName() != (*right.structure)[i].type->getFieldName())
-                return false;
+        // There are inconsistencies with how gl_PerVertex is setup. For now ignore those as errors if they
+        // are known inconsistencies.
+        bool isGLPerVertex = *typeName == "gl_PerVertex";
 
-            if (*(*structure)[i].type != *(*right.structure)[i].type)
-                return false;
+        // Both being nullptr was caught above, now they both have to be structures of the same number of elements
+        if (!isStruct() || !right.isStruct() ||
+            (structure->size() != right.structure->size() && !isGLPerVertex))
+            return false;
+
+        // Compare the names and types of all the members, which have to match
+        for (size_t li = 0, ri = 0; li < structure->size() || ri < right.structure->size(); ++li, ++ri) {
+            if (li < structure->size() && ri < right.structure->size()) {
+                if ((*structure)[li].type->getFieldName() == (*right.structure)[ri].type->getFieldName()) {
+                    if (*(*structure)[li].type != *(*right.structure)[ri].type)
+                        return false;
+                } else {
+                    // If one of the members is something that's inconsistently declared, skip over it
+                    // for now.
+                    if (isGLPerVertex) {
+                        if (isInconsistentGLPerVertexMember((*structure)[li].type->getFieldName())) {
+                            ri--;
+                            continue;
+                        } else if (isInconsistentGLPerVertexMember((*right.structure)[ri].type->getFieldName())) {
+                            li--;
+                            continue;
+                        }
+                    } else {
+                        return false;
+                    }
+                }
+            // If we get here, then there should only be inconsistently declared members left
+            } else if (li < structure->size()) {
+                if (!isInconsistentGLPerVertexMember((*structure)[li].type->getFieldName()))
+                    return false;
+            } else {
+                if (!isInconsistentGLPerVertexMember((*right.structure)[ri].type->getFieldName()))
+                    return false;
+            }
         }
 
         return true;

src/libraries/glslang/glslang/Include/glslang_c_interface.h

@@ -203,28 +203,44 @@ typedef struct glsl_include_callbacks_s {
 extern "C" {
 #endif
 
-int glslang_initialize_process();
-void glslang_finalize_process();
+#ifdef GLSLANG_IS_SHARED_LIBRARY
+    #ifdef _WIN32
+        #ifdef GLSLANG_EXPORTING
+            #define GLSLANG_EXPORT __declspec(dllexport)
+        #else
+            #define GLSLANG_EXPORT __declspec(dllimport)
+        #endif
+    #elif __GNUC__ >= 4
+        #define GLSLANG_EXPORT __attribute__((visibility("default")))
+    #endif
+#endif // GLSLANG_IS_SHARED_LIBRARY
 
-glslang_shader_t* glslang_shader_create(const glslang_input_t* input);
-void glslang_shader_delete(glslang_shader_t* shader);
-int glslang_shader_preprocess(glslang_shader_t* shader, const glslang_input_t* input);
-int glslang_shader_parse(glslang_shader_t* shader, const glslang_input_t* input);
-const char* glslang_shader_get_preprocessed_code(glslang_shader_t* shader);
-const char* glslang_shader_get_info_log(glslang_shader_t* shader);
-const char* glslang_shader_get_info_debug_log(glslang_shader_t* shader);
+#ifndef GLSLANG_EXPORT
+#define GLSLANG_EXPORT
+#endif
 
-glslang_program_t* glslang_program_create();
-void glslang_program_delete(glslang_program_t* program);
-void glslang_program_add_shader(glslang_program_t* program, glslang_shader_t* shader);
-int glslang_program_link(glslang_program_t* program, int messages); // glslang_messages_t
-void glslang_program_SPIRV_generate(glslang_program_t* program, glslang_stage_t stage);
-size_t glslang_program_SPIRV_get_size(glslang_program_t* program);
-void glslang_program_SPIRV_get(glslang_program_t* program, unsigned int*);
-unsigned int* glslang_program_SPIRV_get_ptr(glslang_program_t* program);
-const char* glslang_program_SPIRV_get_messages(glslang_program_t* program);
-const char* glslang_program_get_info_log(glslang_program_t* program);
-const char* glslang_program_get_info_debug_log(glslang_program_t* program);
+GLSLANG_EXPORT int glslang_initialize_process();
+GLSLANG_EXPORT void glslang_finalize_process();
+
+GLSLANG_EXPORT glslang_shader_t* glslang_shader_create(const glslang_input_t* input);
+GLSLANG_EXPORT void glslang_shader_delete(glslang_shader_t* shader);
+GLSLANG_EXPORT int glslang_shader_preprocess(glslang_shader_t* shader, const glslang_input_t* input);
+GLSLANG_EXPORT int glslang_shader_parse(glslang_shader_t* shader, const glslang_input_t* input);
+GLSLANG_EXPORT const char* glslang_shader_get_preprocessed_code(glslang_shader_t* shader);
+GLSLANG_EXPORT const char* glslang_shader_get_info_log(glslang_shader_t* shader);
+GLSLANG_EXPORT const char* glslang_shader_get_info_debug_log(glslang_shader_t* shader);
+
+GLSLANG_EXPORT glslang_program_t* glslang_program_create();
+GLSLANG_EXPORT void glslang_program_delete(glslang_program_t* program);
+GLSLANG_EXPORT void glslang_program_add_shader(glslang_program_t* program, glslang_shader_t* shader);
+GLSLANG_EXPORT int glslang_program_link(glslang_program_t* program, int messages); // glslang_messages_t
+GLSLANG_EXPORT void glslang_program_SPIRV_generate(glslang_program_t* program, glslang_stage_t stage);
+GLSLANG_EXPORT size_t glslang_program_SPIRV_get_size(glslang_program_t* program);
+GLSLANG_EXPORT void glslang_program_SPIRV_get(glslang_program_t* program, unsigned int*);
+GLSLANG_EXPORT unsigned int* glslang_program_SPIRV_get_ptr(glslang_program_t* program);
+GLSLANG_EXPORT const char* glslang_program_SPIRV_get_messages(glslang_program_t* program);
+GLSLANG_EXPORT const char* glslang_program_get_info_log(glslang_program_t* program);
+GLSLANG_EXPORT const char* glslang_program_get_info_debug_log(glslang_program_t* program);
 
 #ifdef __cplusplus
 }

src/libraries/glslang/glslang/Include/glslang_c_shader_types.h

@@ -100,8 +100,9 @@ typedef enum {
 typedef enum {
     GLSLANG_TARGET_VULKAN_1_0 = (1 << 22),
     GLSLANG_TARGET_VULKAN_1_1 = (1 << 22) | (1 << 12),
+    GLSLANG_TARGET_VULKAN_1_2 = (1 << 22) | (2 << 12),
     GLSLANG_TARGET_OPENGL_450 = 450,
-    LAST_ELEMENT_MARKER(GLSLANG_TARGET_CLIENT_VERSION_COUNT),
+    LAST_ELEMENT_MARKER(GLSLANG_TARGET_CLIENT_VERSION_COUNT = 4),
 } glslang_target_client_version_t;
 
 /* SH_TARGET_LanguageVersion counterpart */
@@ -112,7 +113,7 @@ typedef enum {
     GLSLANG_TARGET_SPV_1_3 = (1 << 16) | (3 << 8),
     GLSLANG_TARGET_SPV_1_4 = (1 << 16) | (4 << 8),
     GLSLANG_TARGET_SPV_1_5 = (1 << 16) | (5 << 8),
-    LAST_ELEMENT_MARKER(GLSLANG_TARGET_LANGUAGE_VERSION_COUNT),
+    LAST_ELEMENT_MARKER(GLSLANG_TARGET_LANGUAGE_VERSION_COUNT = 6),
 } glslang_target_language_version_t;
 
 /* EShExecutable counterpart */

src/libraries/glslang/glslang/Include/intermediate.h

@@ -280,6 +280,12 @@ enum TOperator {
     EOpConvUvec2ToPtr,
     EOpConvPtrToUvec2,
 
+    // uint64_t -> accelerationStructureEXT
+    EOpConvUint64ToAccStruct,
+
+    // uvec2 -> accelerationStructureEXT
+    EOpConvUvec2ToAccStruct,
+
     //
     // binary operations
     //
@@ -587,6 +593,7 @@ enum TOperator {
     EOpTime,
 
     EOpAtomicAdd,
+    EOpAtomicSubtract,
     EOpAtomicMin,
     EOpAtomicMax,
     EOpAtomicAnd,
@@ -628,13 +635,16 @@ enum TOperator {
     // Branch
     //
 
-    EOpKill,            // Fragment only
+    EOpKill,                // Fragment only
+    EOpTerminateInvocation, // Fragment only
+    EOpDemote,              // Fragment only
+    EOpTerminateRayKHR,         // Any-hit only
+    EOpIgnoreIntersectionKHR,   // Any-hit only
     EOpReturn,
     EOpBreak,
     EOpContinue,
     EOpCase,
     EOpDefault,
-    EOpDemote,          // Fragment only
 
     //
     // Constructors
@@ -751,6 +761,7 @@ enum TOperator {
     EOpConstructNonuniform,     // expected to be transformed away, not present in final AST
     EOpConstructReference,
     EOpConstructCooperativeMatrix,
+    EOpConstructAccStruct,
     EOpConstructGuardEnd,
 
     //
@@ -911,11 +922,13 @@ enum TOperator {
     EOpAverageRounded,
     EOpMul32x16,
 
-    EOpTrace,
+    EOpTraceNV,
+    EOpTraceKHR,
     EOpReportIntersection,
-    EOpIgnoreIntersection,
-    EOpTerminateRay,
-    EOpExecuteCallable,
+    EOpIgnoreIntersectionNV,
+    EOpTerminateRayNV,
+    EOpExecuteCallableNV,
+    EOpExecuteCallableKHR,
     EOpWritePackedPrimitiveIndices4x8NV,
 
     //
@@ -1123,6 +1136,8 @@ public:
     virtual TBasicType getBasicType() const { return type.getBasicType(); }
     virtual TQualifier& getQualifier() { return type.getQualifier(); }
     virtual const TQualifier& getQualifier() const { return type.getQualifier(); }
+    virtual TArraySizes* getArraySizes() { return type.getArraySizes(); }
+    virtual const TArraySizes* getArraySizes() const { return type.getArraySizes(); }
     virtual void propagatePrecision(TPrecisionQualifier);
     virtual int getVectorSize() const { return type.getVectorSize(); }
     virtual int getMatrixCols() const { return type.getMatrixCols(); }
@@ -1263,15 +1278,15 @@ public:
     // if symbol is initialized as symbol(sym), the memory comes from the pool allocator of sym. If sym comes from
     // per process threadPoolAllocator, then it causes increased memory usage per compile
     // it is essential to use "symbol = sym" to assign to symbol
-    TIntermSymbol(int i, const TString& n, const TType& t)
+    TIntermSymbol(long long i, const TString& n, const TType& t)
         : TIntermTyped(t), id(i),
 #ifndef GLSLANG_WEB
         flattenSubset(-1),
 #endif
         constSubtree(nullptr)
           { name = n; }
-    virtual int getId() const { return id; }
-    virtual void changeId(int i) { id = i; }
+    virtual long long getId() const { return id; }
+    virtual void changeId(long long i) { id = i; }
     virtual const TString& getName() const { return name; }
     virtual void traverse(TIntermTraverser*);
     virtual       TIntermSymbol* getAsSymbolNode()       { return this; }
@@ -1282,15 +1297,17 @@ public:
     TIntermTyped* getConstSubtree() const { return constSubtree; }
 #ifndef GLSLANG_WEB
     void setFlattenSubset(int subset) { flattenSubset = subset; }
+    virtual const TString& getAccessName() const;
+
     int getFlattenSubset() const { return flattenSubset; } // -1 means full object
 #endif
 
     // This is meant for cases where a node has already been constructed, and
     // later on, it becomes necessary to switch to a different symbol.
-    virtual void switchId(int newId) { id = newId; }
+    virtual void switchId(long long newId) { id = newId; }
 
 protected:
-    int id;                      // the unique id of the symbol this node represents
+    long long id;                // the unique id of the symbol this node represents
 #ifndef GLSLANG_WEB
     int flattenSubset;           // how deeply the flattened object rooted at id has been dereferenced
 #endif

src/libraries/glslang/glslang/MachineIndependent/Constant.cpp

@@ -599,17 +599,11 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, const TType& returnType)
             newConstArray[i].setDConst(log(unionArray[i].getDConst()));
             break;
         case EOpExp2:
-            {
-                const double inv_log2_e = 0.69314718055994530941723212145818;
-                newConstArray[i].setDConst(exp(unionArray[i].getDConst() * inv_log2_e));
-                break;
-            }
+            newConstArray[i].setDConst(exp2(unionArray[i].getDConst()));
+            break;
         case EOpLog2:
-            {
-                const double log2_e = 1.4426950408889634073599246810019;
-                newConstArray[i].setDConst(log2_e * log(unionArray[i].getDConst()));
-                break;
-            }
+            newConstArray[i].setDConst(log2(unionArray[i].getDConst()));
+            break;
         case EOpSqrt:
             newConstArray[i].setDConst(sqrt(unionArray[i].getDConst()));
             break;

src/libraries/glslang/glslang/MachineIndependent/Initialize.cpp

@@ -509,6 +509,8 @@ TBuiltIns::TBuiltIns()
     prefixes[EbtUint8] = "u8";
     prefixes[EbtInt16]  = "i16";
     prefixes[EbtUint16] = "u16";
+    prefixes[EbtInt64]  = "i64";
+    prefixes[EbtUint64] = "u64";
 #endif
 
     postfixes[2] = "2";
@@ -1631,6 +1633,36 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
                 "uint atomicCounterExchange(atomic_uint, uint);"
                 "uint atomicCounterCompSwap(atomic_uint, uint, uint);"
 
+                "\n");
+        }
+    }
+    else if (spvVersion.vulkanRelaxed) {
+        //
+        // Atomic counter functions act as aliases to normal atomic functions.
+        // replace definitions to take 'volatile coherent uint' instead of 'atomic_uint'
+        // and map to equivalent non-counter atomic op
+        //
+        if ((profile != EEsProfile && version >= 300) ||
+            (profile == EEsProfile && version >= 310)) {
+            commonBuiltins.append(
+                "uint atomicCounterIncrement(volatile coherent uint);"
+                "uint atomicCounterDecrement(volatile coherent uint);"
+                "uint atomicCounter(volatile coherent uint);"
+
+                "\n");
+        }
+        if (profile != EEsProfile && version >= 460) {
+            commonBuiltins.append(
+                "uint atomicCounterAdd(volatile coherent uint, uint);"
+                "uint atomicCounterSubtract(volatile coherent uint, uint);"
+                "uint atomicCounterMin(volatile coherent uint, uint);"
+                "uint atomicCounterMax(volatile coherent uint, uint);"
+                "uint atomicCounterAnd(volatile coherent uint, uint);"
+                "uint atomicCounterOr(volatile coherent uint, uint);"
+                "uint atomicCounterXor(volatile coherent uint, uint);"
+                "uint atomicCounterExchange(volatile coherent uint, uint);"
+                "uint atomicCounterCompSwap(volatile coherent uint, uint, uint);"
+
                 "\n");
         }
     }
@@ -4134,7 +4166,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
     }
 #ifndef GLSLANG_WEB
     if ((profile != EEsProfile && version >= 420) || esBarrier) {
-        if (spvVersion.vulkan == 0) {
+        if (spvVersion.vulkan == 0 || spvVersion.vulkanRelaxed) {
             commonBuiltins.append("void memoryBarrierAtomicCounter();");
         }
         commonBuiltins.append("void memoryBarrierImage();");
@@ -4434,9 +4466,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
             "\n");
         stageBuiltins[EShLangAnyHit].append(
             "void ignoreIntersectionNV();"
-            "void ignoreIntersectionEXT();"
             "void terminateRayNV();"
-            "void terminateRayEXT();"
             "\n");
         stageBuiltins[EShLangClosestHit].append(
             "void traceNV(accelerationStructureNV,uint,uint,uint,uint,uint,vec3,float,vec3,float,int);"
@@ -4863,6 +4893,13 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
                 "in int gl_VertexIndex;"
                 "in int gl_InstanceIndex;"
                 );
+
+        if (spvVersion.vulkan > 0 && version >= 140 && spvVersion.vulkanRelaxed)
+            stageBuiltins[EShLangVertex].append(
+                "in int gl_VertexID;"         // declare with 'in' qualifier
+                "in int gl_InstanceID;"
+                );
+
         if (version >= 440) {
             stageBuiltins[EShLangVertex].append(
                 "in int gl_BaseVertexARB;"
@@ -4900,7 +4937,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
                 "mediump float gl_PointSize;" // needs qualifier fixed later
                 );
         } else {
-            if (spvVersion.vulkan == 0)
+            if (spvVersion.vulkan == 0 || spvVersion.vulkanRelaxed)
                 stageBuiltins[EShLangVertex].append(
                     "in highp int gl_VertexID;"      // needs qualifier fixed later
                     "in highp int gl_InstanceID;"    // needs qualifier fixed later
@@ -4943,6 +4980,11 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
             "\n");
     }
 
+    if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 310)) {
+        stageBuiltins[EShLangVertex].append(
+            "out highp int gl_PrimitiveShadingRateEXT;" // GL_EXT_fragment_shading_rate
+            "\n");
+    }
 
     //============================================================================
     //
@@ -5056,6 +5098,12 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
             "\n");
     }
 
+    if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 310)) {
+        stageBuiltins[EShLangGeometry].append(
+            "out highp int gl_PrimitiveShadingRateEXT;" // GL_EXT_fragment_shading_rate
+            "\n");
+    }
+
     //============================================================================
     //
     // Define the interface to the tessellation control shader.
@@ -5353,6 +5401,11 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
                 "in vec3 gl_BaryCoordNoPerspNV;"
                 );
 
+        if (version >= 450)
+            stageBuiltins[EShLangFragment].append(
+                "flat in int gl_ShadingRateEXT;" // GL_EXT_fragment_shading_rate
+            );
+
     } else {
         // ES profile
 
@@ -5411,6 +5464,10 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
                 "in vec3 gl_BaryCoordNV;"
                 "in vec3 gl_BaryCoordNoPerspNV;"
                 );
+        if (version >= 310)
+            stageBuiltins[EShLangFragment].append(
+                "flat in highp int gl_ShadingRateEXT;" // GL_EXT_fragment_shading_rate
+            );
     }
 #endif
 
@@ -5429,6 +5486,12 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
             "\n");
     }
 
+    if (version >= 300 /* both ES and non-ES */) {
+        stageBuiltins[EShLangFragment].append(
+            "flat in highp uint gl_ViewID_OVR;"     // GL_OVR_multiview, GL_OVR_multiview2
+            "\n");
+    }
+
 #ifndef GLSLANG_ANGLE
     // GL_ARB_shader_ballot
     if (profile != EEsProfile && version >= 450) {
@@ -5441,6 +5504,15 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
             "in uint64_t gl_SubGroupLeMaskARB;"
             "in uint64_t gl_SubGroupLtMaskARB;"
             "\n";
+        const char* rtBallotDecls =
+            "uniform volatile uint gl_SubGroupSizeARB;"
+            "in volatile uint     gl_SubGroupInvocationARB;"
+            "in volatile uint64_t gl_SubGroupEqMaskARB;"
+            "in volatile uint64_t gl_SubGroupGeMaskARB;"
+            "in volatile uint64_t gl_SubGroupGtMaskARB;"
+            "in volatile uint64_t gl_SubGroupLeMaskARB;"
+            "in volatile uint64_t gl_SubGroupLtMaskARB;"
+            "\n";
         const char* fragmentBallotDecls =
             "uniform uint gl_SubGroupSizeARB;"
             "flat in uint     gl_SubGroupInvocationARB;"
@@ -5458,6 +5530,13 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
         stageBuiltins[EShLangFragment]      .append(fragmentBallotDecls);
         stageBuiltins[EShLangMeshNV]        .append(ballotDecls);
         stageBuiltins[EShLangTaskNV]        .append(ballotDecls);
+        stageBuiltins[EShLangRayGen]        .append(rtBallotDecls);
+        stageBuiltins[EShLangIntersect]     .append(rtBallotDecls);
+        // No volatile qualifier on these builtins in any-hit
+        stageBuiltins[EShLangAnyHit]        .append(ballotDecls);
+        stageBuiltins[EShLangClosestHit]    .append(rtBallotDecls);
+        stageBuiltins[EShLangMiss]          .append(rtBallotDecls);
+        stageBuiltins[EShLangCallable]      .append(rtBallotDecls);
     }
 
     // GL_KHR_shader_subgroup
@@ -5495,6 +5574,21 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
             "in highp   uint  gl_NumSubgroups;"
             "in highp   uint  gl_SubgroupID;"
             "\n";
+        // These builtins are volatile for RT stages
+        const char* rtSubgroupDecls =
+            "in mediump volatile uint  gl_SubgroupSize;"
+            "in mediump volatile uint  gl_SubgroupInvocationID;"
+            "in highp   volatile uvec4 gl_SubgroupEqMask;"
+            "in highp   volatile uvec4 gl_SubgroupGeMask;"
+            "in highp   volatile uvec4 gl_SubgroupGtMask;"
+            "in highp   volatile uvec4 gl_SubgroupLeMask;"
+            "in highp   volatile uvec4 gl_SubgroupLtMask;"
+            // GL_NV_shader_sm_builtins
+            "in highp    uint  gl_WarpsPerSMNV;"
+            "in highp    uint  gl_SMCountNV;"
+            "in highp volatile uint  gl_WarpIDNV;"
+            "in highp volatile uint  gl_SMIDNV;"
+            "\n";
 
         stageBuiltins[EShLangVertex]        .append(subgroupDecls);
         stageBuiltins[EShLangTessControl]   .append(subgroupDecls);
@@ -5507,12 +5601,13 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
         stageBuiltins[EShLangMeshNV]        .append(computeSubgroupDecls);
         stageBuiltins[EShLangTaskNV]        .append(subgroupDecls);
         stageBuiltins[EShLangTaskNV]        .append(computeSubgroupDecls);
-        stageBuiltins[EShLangRayGen]        .append(subgroupDecls);
-        stageBuiltins[EShLangIntersect]     .append(subgroupDecls);
+        stageBuiltins[EShLangRayGen]        .append(rtSubgroupDecls);
+        stageBuiltins[EShLangIntersect]     .append(rtSubgroupDecls);
+        // No volatile qualifier on these builtins in any-hit
         stageBuiltins[EShLangAnyHit]        .append(subgroupDecls);
-        stageBuiltins[EShLangClosestHit]    .append(subgroupDecls);
-        stageBuiltins[EShLangMiss]          .append(subgroupDecls);
-        stageBuiltins[EShLangCallable]      .append(subgroupDecls);
+        stageBuiltins[EShLangClosestHit]    .append(rtSubgroupDecls);
+        stageBuiltins[EShLangMiss]          .append(rtSubgroupDecls);
+        stageBuiltins[EShLangCallable]      .append(rtSubgroupDecls);
     }
 
     // GL_NV_ray_tracing/GL_EXT_ray_tracing
@@ -5580,7 +5675,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
             "in    float  gl_RayTminNV;"
             "in    float  gl_RayTminEXT;"
             "in    float  gl_RayTmaxNV;"
-            "in    float  gl_RayTmaxEXT;"
+            "in volatile float gl_RayTmaxEXT;"
             "in    mat4x3 gl_ObjectToWorldNV;"
             "in    mat4x3 gl_ObjectToWorldEXT;"
             "in    mat3x4 gl_ObjectToWorld3x4EXT;"
@@ -5700,13 +5795,57 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
         commonBuiltins.append("const int gl_StorageSemanticsOutput   = 0x1000;\n");
     }
 
-#endif // !GLSLANG_ANGLE
-
-    if (version >= 300 /* both ES and non-ES */) {
-        stageBuiltins[EShLangFragment].append(
-            "flat in highp uint gl_ViewID_OVR;"     // GL_OVR_multiview, GL_OVR_multiview2
-            "\n");
+    // Adding these to common built-ins triggers an assert due to a memory corruption in related code when testing
+    // So instead add to each stage individually, avoiding the GLSLang bug
+    if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 310)) {
+        for (int stage=EShLangVertex; stage<EShLangCount; stage++)
+        {
+            stageBuiltins[static_cast<EShLanguage>(stage)].append("const highp int gl_ShadingRateFlag2VerticalPixelsEXT       = 1;\n");
+            stageBuiltins[static_cast<EShLanguage>(stage)].append("const highp int gl_ShadingRateFlag4VerticalPixelsEXT       = 2;\n");
+            stageBuiltins[static_cast<EShLanguage>(stage)].append("const highp int gl_ShadingRateFlag2HorizontalPixelsEXT     = 4;\n");
+            stageBuiltins[static_cast<EShLanguage>(stage)].append("const highp int gl_ShadingRateFlag4HorizontalPixelsEXT     = 8;\n");
+        }
     }
+    
+    // GL_EXT_shader_image_int64
+    if ((profile != EEsProfile && version >= 420) ||
+        (profile == EEsProfile && version >= 310)) {
+            
+        const TBasicType bTypes[] = { EbtInt64, EbtUint64 };
+        for (int ms = 0; ms <= 1; ++ms) { // loop over "bool" multisample or not
+            for (int arrayed = 0; arrayed <= 1; ++arrayed) { // loop over "bool" arrayed or not
+                for (int dim = Esd1D; dim < EsdSubpass; ++dim) { // 1D, ..., buffer
+                    if ((dim == Esd1D || dim == EsdRect) && profile == EEsProfile)
+                        continue;
+                    
+                    if ((dim == Esd3D || dim == EsdRect || dim == EsdBuffer) && arrayed)
+                        continue;
+                    
+                    if (dim != Esd2D && ms)
+                        continue;
+                    
+                    // Loop over the bTypes
+                    for (size_t bType = 0; bType < sizeof(bTypes)/sizeof(TBasicType); ++bType) {
+                        //
+                        // Now, make all the function prototypes for the type we just built...
+                        //
+                        TSampler sampler;
+                    
+                        sampler.setImage(bTypes[bType], (TSamplerDim)dim, arrayed ? true : false,
+                                                                          false,
+                                                                          ms      ? true : false);
+
+                        TString typeName = sampler.getString();
+
+                        addQueryFunctions(sampler, typeName, version, profile);
+                        addImageFunctions(sampler, typeName, version, profile);
+                    }
+                }
+            }
+        }
+    }
+#endif // !GLSLANG_ANGLE
+    
 #endif // !GLSLANG_WEB
 
     // printf("%s\n", commonBuiltins.c_str());
@@ -5803,7 +5942,6 @@ void TBuiltIns::add2ndGenerationSamplingImaging(int version, EProfile profile, c
 #endif
                             if (shadow && (bTypes[bType] == EbtInt || bTypes[bType] == EbtUint))
                                 continue;
-
                             //
                             // Now, make all the function prototypes for the type we just built...
                             //
@@ -6028,8 +6166,16 @@ void TBuiltIns::addImageFunctions(TSampler sampler, const TString& typeName, int
 
     if ( profile != EEsProfile ||
         (profile == EEsProfile && version >= 310)) {
-        if (sampler.type == EbtInt || sampler.type == EbtUint) {
-            const char* dataType = sampler.type == EbtInt ? "highp int" : "highp uint";
+        if (sampler.type == EbtInt || sampler.type == EbtUint || sampler.type == EbtInt64 || sampler.type == EbtUint64 ) {
+            
+            const char* dataType;
+            switch (sampler.type) {
+                case(EbtInt): dataType = "highp int"; break;
+                case(EbtUint): dataType = "highp uint"; break;
+                case(EbtInt64): dataType = "highp int64_t"; break;
+                case(EbtUint64): dataType = "highp uint64_t"; break;
+                default: dataType = "";
+            }
 
             const int numBuiltins = 7;
 
@@ -6444,7 +6590,7 @@ void TBuiltIns::addSamplingFunctions(TSampler sampler, const TString& typeName,
                                             s.append(");\n");
 
                                             // Add to the per-language set of built-ins
-                                            if (bias || lodClamp != 0) {
+                                            if (!grad && (bias || lodClamp != 0)) {
                                                 stageBuiltins[EShLangFragment].append(s);
                                                 stageBuiltins[EShLangCompute].append(s);
                                             } else
@@ -7342,6 +7488,12 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
             SpecialQualifier("gl_InstanceID", EvqInstanceId, EbvInstanceId, symbolTable);
         }
 
+        if (spvVersion.vulkan > 0 && spvVersion.vulkanRelaxed) {
+            // treat these built-ins as aliases of VertexIndex and InstanceIndex
+            BuiltInVariable("gl_VertexID", EbvVertexIndex, symbolTable);
+            BuiltInVariable("gl_InstanceID", EbvInstanceIndex, symbolTable);
+        }
+
         if (profile != EEsProfile) {
             if (version >= 440) {
                 symbolTable.setVariableExtensions("gl_BaseVertexARB",   1, &E_GL_ARB_shader_draw_parameters);
@@ -7665,6 +7817,20 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
             BuiltInVariable("gl_WarpIDNV",              EbvWarpID,          symbolTable);
             BuiltInVariable("gl_SMIDNV",                EbvSMID,            symbolTable);
         }
+
+		if (language == EShLangGeometry || language == EShLangVertex) {
+			if ((profile == EEsProfile && version >= 310) ||
+				(profile != EEsProfile && version >= 450)) {
+				symbolTable.setVariableExtensions("gl_PrimitiveShadingRateEXT", 1, &E_GL_EXT_fragment_shading_rate);
+				BuiltInVariable("gl_PrimitiveShadingRateEXT", EbvPrimitiveShadingRateKHR, symbolTable);
+
+				symbolTable.setVariableExtensions("gl_ShadingRateFlag2VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+				symbolTable.setVariableExtensions("gl_ShadingRateFlag4VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+				symbolTable.setVariableExtensions("gl_ShadingRateFlag2HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+				symbolTable.setVariableExtensions("gl_ShadingRateFlag4HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+			}
+		}
+
 #endif // !GLSLANG_WEB
         break;
 
@@ -8192,6 +8358,17 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
         }
 
         symbolTable.setFunctionExtensions("helperInvocationEXT",            1, &E_GL_EXT_demote_to_helper_invocation);
+
+        if ((profile == EEsProfile && version >= 310) ||
+            (profile != EEsProfile && version >= 450)) {
+            symbolTable.setVariableExtensions("gl_ShadingRateEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            BuiltInVariable("gl_ShadingRateEXT", EbvShadingRateKHR, symbolTable);
+
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag2VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag4VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag2HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag4HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+        }
 #endif // !GLSLANG_WEB
         break;
 
@@ -8324,6 +8501,14 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
             symbolTable.setFunctionExtensions("dFdyCoarse",             1, &E_GL_NV_compute_shader_derivatives);
             symbolTable.setFunctionExtensions("fwidthCoarse",           1, &E_GL_NV_compute_shader_derivatives);
         }
+
+        if ((profile == EEsProfile && version >= 310) ||
+            (profile != EEsProfile && version >= 450)) {
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag2VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag4VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag2HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag4HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+        }
 #endif // !GLSLANG_WEB
         break;
 
@@ -8378,9 +8563,7 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
             symbolTable.setFunctionExtensions("reportIntersectionNV", 1, &E_GL_NV_ray_tracing);
             symbolTable.setFunctionExtensions("reportIntersectionEXT", 1, &E_GL_EXT_ray_tracing);
             symbolTable.setFunctionExtensions("ignoreIntersectionNV", 1, &E_GL_NV_ray_tracing);
-            symbolTable.setFunctionExtensions("ignoreIntersectionEXT", 1, &E_GL_EXT_ray_tracing);
             symbolTable.setFunctionExtensions("terminateRayNV", 1, &E_GL_NV_ray_tracing);
-            symbolTable.setFunctionExtensions("terminateRayEXT", 1, &E_GL_EXT_ray_tracing);
             symbolTable.setFunctionExtensions("executeCallableNV", 1, &E_GL_NV_ray_tracing);
             symbolTable.setFunctionExtensions("executeCallableEXT", 1, &E_GL_EXT_ray_tracing);
 
@@ -8473,6 +8656,13 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
             BuiltInVariable("gl_WarpIDNV",              EbvWarpID,          symbolTable);
             BuiltInVariable("gl_SMIDNV",                EbvSMID,            symbolTable);
         }
+        if ((profile == EEsProfile && version >= 310) ||
+            (profile != EEsProfile && version >= 450)) {
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag2VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag4VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag2HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag4HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+        }
         break;
 
     case EShLangMeshNV:
@@ -8617,6 +8807,14 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
             BuiltInVariable("gl_WarpIDNV",              EbvWarpID,          symbolTable);
             BuiltInVariable("gl_SMIDNV",                EbvSMID,            symbolTable);
         }
+
+        if ((profile == EEsProfile && version >= 310) ||
+            (profile != EEsProfile && version >= 450)) {
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag2VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag4VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag2HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag4HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+        }
         break;
 
     case EShLangTaskNV:
@@ -8717,6 +8915,13 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
             BuiltInVariable("gl_WarpIDNV",              EbvWarpID,          symbolTable);
             BuiltInVariable("gl_SMIDNV",                EbvSMID,            symbolTable);
         }
+        if ((profile == EEsProfile && version >= 310) ||
+            (profile != EEsProfile && version >= 450)) {
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag2VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag4VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag2HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+            symbolTable.setVariableExtensions("gl_ShadingRateFlag4HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
+        }
         break;
 #endif
 
@@ -8786,6 +8991,14 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
     symbolTable.relateToOperator("memoryBarrierAtomicCounter", EOpMemoryBarrierAtomicCounter);
     symbolTable.relateToOperator("memoryBarrierImage",         EOpMemoryBarrierImage);
 
+    if (spvVersion.vulkanRelaxed) {
+        //
+        // functions signature have been replaced to take uint operations on buffer variables
+        // remap atomic counter functions to atomic operations
+        //
+        symbolTable.relateToOperator("memoryBarrierAtomicCounter", EOpMemoryBarrierBuffer);
+    }
+
     symbolTable.relateToOperator("atomicLoad",     EOpAtomicLoad);
     symbolTable.relateToOperator("atomicStore",    EOpAtomicStore);
 
@@ -8793,6 +9006,20 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
     symbolTable.relateToOperator("atomicCounterDecrement", EOpAtomicCounterDecrement);
     symbolTable.relateToOperator("atomicCounter",          EOpAtomicCounter);
 
+    if (spvVersion.vulkanRelaxed) {
+        //
+        // functions signature have been replaced to take uint operations
+        // remap atomic counter functions to atomic operations
+        //
+        // these atomic counter functions do not match signatures of glsl
+        // atomic functions, so they will be remapped to semantically
+        // equivalent functions in the parser
+        //
+        symbolTable.relateToOperator("atomicCounterIncrement", EOpNull);
+        symbolTable.relateToOperator("atomicCounterDecrement", EOpNull);
+        symbolTable.relateToOperator("atomicCounter", EOpNull);
+    }
+
     symbolTable.relateToOperator("clockARB",     EOpReadClockSubgroupKHR);
     symbolTable.relateToOperator("clock2x32ARB", EOpReadClockSubgroupKHR);
 
@@ -8811,6 +9038,23 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
         symbolTable.relateToOperator("atomicCounterCompSwap", EOpAtomicCounterCompSwap);
     }
 
+    if (spvVersion.vulkanRelaxed) {
+        //
+        // functions signature have been replaced to take 'uint' instead of 'atomic_uint'
+        // remap atomic counter functions to non-counter atomic ops so
+        // functions act as aliases to non-counter atomic ops
+        //
+        symbolTable.relateToOperator("atomicCounterAdd", EOpAtomicAdd);
+        symbolTable.relateToOperator("atomicCounterSubtract", EOpAtomicSubtract);
+        symbolTable.relateToOperator("atomicCounterMin", EOpAtomicMin);
+        symbolTable.relateToOperator("atomicCounterMax", EOpAtomicMax);
+        symbolTable.relateToOperator("atomicCounterAnd", EOpAtomicAnd);
+        symbolTable.relateToOperator("atomicCounterOr", EOpAtomicOr);
+        symbolTable.relateToOperator("atomicCounterXor", EOpAtomicXor);
+        symbolTable.relateToOperator("atomicCounterExchange", EOpAtomicExchange);
+        symbolTable.relateToOperator("atomicCounterCompSwap", EOpAtomicCompSwap);
+    }
+
     symbolTable.relateToOperator("fma",               EOpFma);
     symbolTable.relateToOperator("frexp",             EOpFrexp);
     symbolTable.relateToOperator("ldexp",             EOpLdexp);
@@ -9197,10 +9441,10 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
     case EShLangClosestHit:
     case EShLangMiss:
         if (profile != EEsProfile && version >= 460) {
-            symbolTable.relateToOperator("traceNV", EOpTrace);
-            symbolTable.relateToOperator("traceRayEXT", EOpTrace);
-            symbolTable.relateToOperator("executeCallableNV", EOpExecuteCallable);
-            symbolTable.relateToOperator("executeCallableEXT", EOpExecuteCallable);
+            symbolTable.relateToOperator("traceNV", EOpTraceNV);
+            symbolTable.relateToOperator("traceRayEXT", EOpTraceKHR);
+            symbolTable.relateToOperator("executeCallableNV", EOpExecuteCallableNV);
+            symbolTable.relateToOperator("executeCallableEXT", EOpExecuteCallableKHR);
         }
         break;
     case EShLangIntersect:
@@ -9211,16 +9455,14 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
         break;
     case EShLangAnyHit:
         if (profile != EEsProfile && version >= 460) {
-            symbolTable.relateToOperator("ignoreIntersectionNV", EOpIgnoreIntersection);
-            symbolTable.relateToOperator("ignoreIntersectionEXT", EOpIgnoreIntersection);
-            symbolTable.relateToOperator("terminateRayNV", EOpTerminateRay);
-            symbolTable.relateToOperator("terminateRayEXT", EOpTerminateRay);
+            symbolTable.relateToOperator("ignoreIntersectionNV", EOpIgnoreIntersectionNV);
+            symbolTable.relateToOperator("terminateRayNV", EOpTerminateRayNV);
         }
         break;
     case EShLangCallable:
         if (profile != EEsProfile && version >= 460) {
-            symbolTable.relateToOperator("executeCallableNV", EOpExecuteCallable);
-            symbolTable.relateToOperator("executeCallableEXT", EOpExecuteCallable);
+            symbolTable.relateToOperator("executeCallableNV", EOpExecuteCallableNV);
+            symbolTable.relateToOperator("executeCallableEXT", EOpExecuteCallableKHR);
         }
         break;
     case EShLangMeshNV:

src/libraries/glslang/glslang/MachineIndependent/IntermTraverse.cpp

@@ -71,6 +71,13 @@ void TIntermConstantUnion::traverse(TIntermTraverser *it)
     it->visitConstantUnion(this);
 }
 
+const TString& TIntermSymbol::getAccessName() const {
+    if (getBasicType() == EbtBlock)
+        return getType().getTypeName();
+    else
+        return getName();
+}
+
 //
 // Traverse a binary node.
 //

src/libraries/glslang/glslang/MachineIndependent/Intermediate.cpp

@@ -65,7 +65,7 @@ namespace glslang {
 // Returns the added node.
 //
 
-TIntermSymbol* TIntermediate::addSymbol(int id, const TString& name, const TType& type, const TConstUnionArray& constArray,
+TIntermSymbol* TIntermediate::addSymbol(long long id, const TString& name, const TType& type, const TConstUnionArray& constArray,
                                         TIntermTyped* constSubtree, const TSourceLoc& loc)
 {
     TIntermSymbol* node = new TIntermSymbol(id, name, type);
@@ -2298,6 +2298,10 @@ TOperator TIntermediate::mapTypeToConstructorOp(const TType& type) const
     case EbtReference:
         op = EOpConstructReference;
         break;
+
+    case EbtAccStruct:
+        op = EOpConstructAccStruct;
+        break;
 #endif
     default:
         break;
@@ -2866,7 +2870,7 @@ void TIntermediate::addToCallGraph(TInfoSink& /*infoSink*/, const TString& calle
             return;
     }
 
-    callGraph.push_front(TCall(caller, callee));
+    callGraph.emplace_front(caller, callee);
 }
 
 //
@@ -3772,11 +3776,16 @@ void TIntermBinary::updatePrecision()
 {
      if (getBasicType() == EbtInt || getBasicType() == EbtUint ||
          getBasicType() == EbtFloat || getBasicType() == EbtFloat16) {
-        getQualifier().precision = std::max(right->getQualifier().precision, left->getQualifier().precision);
-        if (getQualifier().precision != EpqNone) {
-            left->propagatePrecision(getQualifier().precision);
-            right->propagatePrecision(getQualifier().precision);
-        }
+       if (op == EOpRightShift || op == EOpLeftShift) {
+         // For shifts get precision from left side only and thus no need to propagate
+         getQualifier().precision = left->getQualifier().precision;
+       } else {
+         getQualifier().precision = std::max(right->getQualifier().precision, left->getQualifier().precision);
+         if (getQualifier().precision != EpqNone) {
+           left->propagatePrecision(getQualifier().precision);
+           right->propagatePrecision(getQualifier().precision);
+         }
+       }
     }
 }
 

src/libraries/glslang/glslang/MachineIndependent/ParseContextBase.cpp

@@ -127,22 +127,6 @@ bool TParseContextBase::lValueErrorCheck(const TSourceLoc& loc, const char* op,
 {
     TIntermBinary* binaryNode = node->getAsBinaryNode();
 
-    if (binaryNode) {
-        switch(binaryNode->getOp()) {
-        case EOpIndexDirect:
-        case EOpIndexIndirect:     // fall through
-        case EOpIndexDirectStruct: // fall through
-        case EOpVectorSwizzle:
-        case EOpMatrixSwizzle:
-            return lValueErrorCheck(loc, op, binaryNode->getLeft());
-        default:
-            break;
-        }
-        error(loc, " l-value required", op, "", "");
-
-        return true;
-    }
-
     const char* symbol = nullptr;
     TIntermSymbol* symNode = node->getAsSymbolNode();
     if (symNode != nullptr)
@@ -203,15 +187,40 @@ bool TParseContextBase::lValueErrorCheck(const TSourceLoc& loc, const char* op,
     // Everything else is okay, no error.
     //
     if (message == nullptr)
+    {
+        if (binaryNode) {
+            switch (binaryNode->getOp()) {
+            case EOpIndexDirect:
+            case EOpIndexIndirect:     // fall through
+            case EOpIndexDirectStruct: // fall through
+            case EOpVectorSwizzle:
+            case EOpMatrixSwizzle:
+                return lValueErrorCheck(loc, op, binaryNode->getLeft());
+            default:
+                break;
+            }
+            error(loc, " l-value required", op, "", "");
+
+            return true;
+        }
         return false;
+    }
 
     //
     // If we get here, we have an error and a message.
     //
+    const TIntermTyped* leftMostTypeNode = TIntermediate::findLValueBase(node, true);
+
     if (symNode)
         error(loc, " l-value required", op, "\"%s\" (%s)", symbol, message);
     else
-        error(loc, " l-value required", op, "(%s)", message);
+        if (binaryNode && binaryNode->getAsOperator()->getOp() == EOpIndexDirectStruct)
+            if(IsAnonymous(leftMostTypeNode->getAsSymbolNode()->getName()))
+                error(loc, " l-value required", op, "\"%s\" (%s)", leftMostTypeNode->getAsSymbolNode()->getAccessName().c_str(), message);
+            else
+                error(loc, " l-value required", op, "\"%s\" (%s)", leftMostTypeNode->getAsSymbolNode()->getName().c_str(), message);
+        else
+            error(loc, " l-value required", op, "(%s)", message);
 
     return true;
 }
@@ -219,28 +228,41 @@ bool TParseContextBase::lValueErrorCheck(const TSourceLoc& loc, const char* op,
 // Test for and give an error if the node can't be read from.
 void TParseContextBase::rValueErrorCheck(const TSourceLoc& loc, const char* op, TIntermTyped* node)
 {
+    TIntermBinary* binaryNode = node->getAsBinaryNode();
+    const TIntermSymbol* symNode = node->getAsSymbolNode();
+
     if (! node)
         return;
 
-    TIntermBinary* binaryNode = node->getAsBinaryNode();
-    if (binaryNode) {
-        switch(binaryNode->getOp()) {
-        case EOpIndexDirect:
-        case EOpIndexIndirect:
-        case EOpIndexDirectStruct:
-        case EOpVectorSwizzle:
-        case EOpMatrixSwizzle:
-            rValueErrorCheck(loc, op, binaryNode->getLeft());
-        default:
-            break;
+    if (node->getQualifier().isWriteOnly()) {
+        const TIntermTyped* leftMostTypeNode = TIntermediate::findLValueBase(node, true);
+
+        if (symNode != nullptr)
+            error(loc, "can't read from writeonly object: ", op, symNode->getName().c_str());
+        else if (binaryNode &&
+                (binaryNode->getAsOperator()->getOp() == EOpIndexDirectStruct ||
+                 binaryNode->getAsOperator()->getOp() == EOpIndexDirect))
+            if(IsAnonymous(leftMostTypeNode->getAsSymbolNode()->getName()))
+                error(loc, "can't read from writeonly object: ", op, leftMostTypeNode->getAsSymbolNode()->getAccessName().c_str());
+            else
+                error(loc, "can't read from writeonly object: ", op, leftMostTypeNode->getAsSymbolNode()->getName().c_str());
+        else
+            error(loc, "can't read from writeonly object: ", op, "");
+
+    } else {
+        if (binaryNode) {
+            switch (binaryNode->getOp()) {
+            case EOpIndexDirect:
+            case EOpIndexIndirect:
+            case EOpIndexDirectStruct:
+            case EOpVectorSwizzle:
+            case EOpMatrixSwizzle:
+                rValueErrorCheck(loc, op, binaryNode->getLeft());
+            default:
+                break;
+            }
         }
-
-        return;
     }
-
-    TIntermSymbol* symNode = node->getAsSymbolNode();
-    if (symNode && symNode->getQualifier().isWriteOnly())
-        error(loc, "can't read from writeonly object: ", op, symNode->getName().c_str());
 }
 
 // Add 'symbol' to the list of deferred linkage symbols, which
@@ -579,7 +601,6 @@ void TParseContextBase::parseSwizzleSelector(const TSourceLoc& loc, const TStrin
         selector.push_back(0);
 }
 
-#ifdef ENABLE_HLSL
 //
 // Make the passed-in variable information become a member of the
 // global uniform block.  If this doesn't exist yet, make it.
@@ -624,7 +645,67 @@ void TParseContextBase::growGlobalUniformBlock(const TSourceLoc& loc, TType& mem
 
     ++firstNewMember;
 }
-#endif
+
+void TParseContextBase::growAtomicCounterBlock(int binding, const TSourceLoc& loc, TType& memberType, const TString& memberName, TTypeList* typeList) {
+    // Make the atomic counter block, if not yet made.
+    const auto &at  = atomicCounterBuffers.find(binding);
+    if (at == atomicCounterBuffers.end()) {
+        atomicCounterBuffers.insert({binding, (TVariable*)nullptr });
+        atomicCounterBlockFirstNewMember.insert({binding, 0});
+    }
+
+    TVariable*& atomicCounterBuffer = atomicCounterBuffers[binding];
+    int& bufferNewMember = atomicCounterBlockFirstNewMember[binding];
+
+    if (atomicCounterBuffer == nullptr) {
+        TQualifier blockQualifier;
+        blockQualifier.clear();
+        blockQualifier.storage = EvqBuffer;
+        
+        char charBuffer[512];
+        if (binding != TQualifier::layoutBindingEnd) {
+            snprintf(charBuffer, 512, "%s_%d", getAtomicCounterBlockName(), binding);
+        } else {
+            snprintf(charBuffer, 512, "%s_0", getAtomicCounterBlockName());
+        }
+        
+        TType blockType(new TTypeList, *NewPoolTString(charBuffer), blockQualifier);
+        setUniformBlockDefaults(blockType);
+        blockType.getQualifier().layoutPacking = ElpStd430;
+        atomicCounterBuffer = new TVariable(NewPoolTString(""), blockType, true);
+        // If we arn't auto mapping bindings then set the block to use the same
+        // binding as what the atomic was set to use
+        if (!intermediate.getAutoMapBindings()) {
+            atomicCounterBuffer->getWritableType().getQualifier().layoutBinding = binding;
+        }
+        bufferNewMember = 0;
+
+        atomicCounterBuffer->getWritableType().getQualifier().layoutSet = atomicCounterBlockSet;
+    }
+
+    // Add the requested member as a member to the global block.
+    TType* type = new TType;
+    type->shallowCopy(memberType);
+    type->setFieldName(memberName);
+    if (typeList)
+        type->setStruct(typeList);
+    TTypeLoc typeLoc = {type, loc};
+    atomicCounterBuffer->getType().getWritableStruct()->push_back(typeLoc);
+
+    // Insert into the symbol table.
+    if (bufferNewMember == 0) {
+        // This is the first request; we need a normal symbol table insert
+        if (symbolTable.insert(*atomicCounterBuffer))
+            trackLinkage(*atomicCounterBuffer);
+        else
+            error(loc, "failed to insert the global constant buffer", "buffer", "");
+    } else {
+        // This is a follow-on request; we need to amend the first insert
+        symbolTable.amend(*atomicCounterBuffer, bufferNewMember);
+    }
+
+    ++bufferNewMember;
+}
 
 void TParseContextBase::finish()
 {

src/libraries/glslang/glslang/MachineIndependent/ParseHelper.cpp

@@ -87,6 +87,10 @@ TParseContext::TParseContext(TSymbolTable& symbolTable, TIntermediate& interm, b
     globalInputDefaults.clear();
     globalOutputDefaults.clear();
 
+    globalSharedDefaults.clear();
+    globalSharedDefaults.layoutMatrix = ElmColumnMajor;
+    globalSharedDefaults.layoutPacking = ElpStd430;
+
 #ifndef GLSLANG_WEB
     // "Shaders in the transform
     // feedback capturing mode have an initial global default of
@@ -221,6 +225,108 @@ void TParseContext::parserError(const char* s)
         error(getCurrentLoc(), "compilation terminated", "", "");
 }
 
+void TParseContext::growGlobalUniformBlock(const TSourceLoc& loc, TType& memberType, const TString& memberName, TTypeList* typeList)
+{
+    bool createBlock = globalUniformBlock == nullptr;
+
+    if (createBlock) {
+        globalUniformBinding = intermediate.getGlobalUniformBinding();
+        globalUniformSet = intermediate.getGlobalUniformSet();
+    }
+
+    // use base class function to create/expand block
+    TParseContextBase::growGlobalUniformBlock(loc, memberType, memberName, typeList);
+
+    if (spvVersion.vulkan > 0 && spvVersion.vulkanRelaxed) {
+        // check for a block storage override
+        TBlockStorageClass storageOverride = intermediate.getBlockStorageOverride(getGlobalUniformBlockName());
+        TQualifier& qualifier = globalUniformBlock->getWritableType().getQualifier();
+        qualifier.defaultBlock = true;
+
+        if (storageOverride != EbsNone) {
+            if (createBlock) {
+                // Remap block storage
+                qualifier.setBlockStorage(storageOverride);
+
+                // check that the change didn't create errors
+                blockQualifierCheck(loc, qualifier, false);
+            }
+
+            // remap meber storage as well
+            memberType.getQualifier().setBlockStorage(storageOverride);
+        }
+    }
+}
+
+void TParseContext::growAtomicCounterBlock(int binding, const TSourceLoc& loc, TType& memberType, const TString& memberName, TTypeList* typeList)
+{
+    bool createBlock = atomicCounterBuffers.find(binding) == atomicCounterBuffers.end();
+
+    if (createBlock) {
+        atomicCounterBlockSet = intermediate.getAtomicCounterBlockSet();
+    }
+
+    // use base class function to create/expand block
+    TParseContextBase::growAtomicCounterBlock(binding, loc, memberType, memberName, typeList);
+    TQualifier& qualifier = atomicCounterBuffers[binding]->getWritableType().getQualifier();
+    qualifier.defaultBlock = true;
+
+    if (spvVersion.vulkan > 0 && spvVersion.vulkanRelaxed) {
+        // check for a Block storage override
+        TBlockStorageClass storageOverride = intermediate.getBlockStorageOverride(getAtomicCounterBlockName());
+
+        if (storageOverride != EbsNone) {
+            if (createBlock) {
+                // Remap block storage
+
+                qualifier.setBlockStorage(storageOverride);
+
+                // check that the change didn't create errors
+                blockQualifierCheck(loc, qualifier, false);
+            }
+
+            // remap meber storage as well
+            memberType.getQualifier().setBlockStorage(storageOverride);
+        }
+    }
+}
+
+const char* TParseContext::getGlobalUniformBlockName() const
+{
+    const char* name = intermediate.getGlobalUniformBlockName();
+    if (std::string(name) == "")
+        return "gl_DefaultUniformBlock";
+    else
+        return name;
+}
+void TParseContext::finalizeGlobalUniformBlockLayout(TVariable&)
+{
+}
+void TParseContext::setUniformBlockDefaults(TType& block) const
+{
+    block.getQualifier().layoutPacking = ElpStd140;
+    block.getQualifier().layoutMatrix = ElmColumnMajor;
+}
+
+
+const char* TParseContext::getAtomicCounterBlockName() const
+{
+    const char* name = intermediate.getAtomicCounterBlockName();
+    if (std::string(name) == "")
+        return "gl_AtomicCounterBlock";
+    else
+        return name;
+}
+void TParseContext::finalizeAtomicCounterBlockLayout(TVariable&)
+{
+}
+
+void TParseContext::setAtomicCounterBlockDefaults(TType& block) const
+{
+    block.getQualifier().layoutPacking = ElpStd430;
+    block.getQualifier().layoutMatrix = ElmRowMajor;
+}
+
 void TParseContext::handlePragma(const TSourceLoc& loc, const TVector<TString>& tokens)
 {
 #ifndef GLSLANG_WEB
@@ -1131,6 +1237,14 @@ TIntermTyped* TParseContext::handleFunctionCall(const TSourceLoc& loc, TFunction
 {
     TIntermTyped* result = nullptr;
 
+    if (spvVersion.vulkan != 0 && spvVersion.vulkanRelaxed) {
+        // allow calls that are invalid in Vulkan Semantics to be invisibily
+        // remapped to equivalent valid functions
+        result = vkRelaxedRemapFunctionCall(loc, function, arguments);
+        if (result)
+            return result;
+    }
+
     if (function->getBuiltInOp() == EOpArrayLength)
         result = handleLengthMethod(loc, function, arguments);
     else if (function->getBuiltInOp() != EOpNull) {
@@ -1723,6 +1837,7 @@ void TParseContext::memorySemanticsCheck(const TSourceLoc& loc, const TFunction&
     // Grab the semantics and storage class semantics from the operands, based on opcode
     switch (callNode.getOp()) {
     case EOpAtomicAdd:
+    case EOpAtomicSubtract:
     case EOpAtomicMin:
     case EOpAtomicMax:
     case EOpAtomicAnd:
@@ -2076,14 +2191,32 @@ void TParseContext::builtInOpCheck(const TSourceLoc& loc, const TFunction& fnCan
     }
 
 #ifndef GLSLANG_WEB
-    case EOpTrace:
+    case EOpTraceNV:
         if (!(*argp)[10]->getAsConstantUnion())
-            error(loc, "argument must be compile-time constant", "payload number", "");
+            error(loc, "argument must be compile-time constant", "payload number", "a");
         break;
-    case EOpExecuteCallable:
+    case EOpTraceKHR:
+        if (!(*argp)[10]->getAsConstantUnion())
+            error(loc, "argument must be compile-time constant", "payload number", "a");
+        else {
+            unsigned int location = (*argp)[10]->getAsConstantUnion()->getAsConstantUnion()->getConstArray()[0].getUConst();
+            if (intermediate.checkLocationRT(0, location) < 0)
+                error(loc, "with layout(location =", "no rayPayloadEXT/rayPayloadInEXT declared", "%d)", location);
+        }
+        break;
+    case EOpExecuteCallableNV:
         if (!(*argp)[1]->getAsConstantUnion())
             error(loc, "argument must be compile-time constant", "callable data number", "");
         break;
+    case EOpExecuteCallableKHR:
+        if (!(*argp)[1]->getAsConstantUnion())
+            error(loc, "argument must be compile-time constant", "callable data number", "");
+        else {
+            unsigned int location = (*argp)[1]->getAsConstantUnion()->getAsConstantUnion()->getConstArray()[0].getUConst();
+            if (intermediate.checkLocationRT(1, location) < 0)
+                error(loc, "with layout(location =", "no callableDataEXT/callableDataInEXT declared", "%d)", location);
+        }
+        break;
 
     case EOpRayQueryGetIntersectionType:
     case EOpRayQueryGetIntersectionT:
@@ -2121,9 +2254,15 @@ void TParseContext::builtInOpCheck(const TSourceLoc& loc, const TFunction& fnCan
     {
         // Make sure the image types have the correct layout() format and correct argument types
         const TType& imageType = arg0->getType();
-        if (imageType.getSampler().type == EbtInt || imageType.getSampler().type == EbtUint) {
-            if (imageType.getQualifier().getFormat() != ElfR32i && imageType.getQualifier().getFormat() != ElfR32ui)
+        if (imageType.getSampler().type == EbtInt || imageType.getSampler().type == EbtUint ||
+            imageType.getSampler().type == EbtInt64 || imageType.getSampler().type == EbtUint64) {
+            if (imageType.getQualifier().getFormat() != ElfR32i && imageType.getQualifier().getFormat() != ElfR32ui &&
+                imageType.getQualifier().getFormat() != ElfR64i && imageType.getQualifier().getFormat() != ElfR64ui)
                 error(loc, "only supported on image with format r32i or r32ui", fnCandidate.getName().c_str(), "");
+            if (callNode.getType().getBasicType() == EbtInt64 && imageType.getQualifier().getFormat() != ElfR64i)
+                error(loc, "only supported on image with format r64i", fnCandidate.getName().c_str(), "");
+            else if (callNode.getType().getBasicType() == EbtUint64 && imageType.getQualifier().getFormat() != ElfR64ui)
+                error(loc, "only supported on image with format r64ui", fnCandidate.getName().c_str(), "");
         } else {
             bool isImageAtomicOnFloatAllowed = ((fnCandidate.getName().compare(0, 14, "imageAtomicAdd") == 0) ||
                 (fnCandidate.getName().compare(0, 15, "imageAtomicLoad") == 0) ||
@@ -2148,6 +2287,7 @@ void TParseContext::builtInOpCheck(const TSourceLoc& loc, const TFunction& fnCan
     }
 
     case EOpAtomicAdd:
+    case EOpAtomicSubtract:
     case EOpAtomicMin:
     case EOpAtomicMax:
     case EOpAtomicAnd:
@@ -2728,6 +2868,11 @@ void TParseContext::rValueErrorCheck(const TSourceLoc& loc, const char* op, TInt
     if (!(symNode && symNode->getQualifier().isWriteOnly())) // base class checks
         if (symNode && symNode->getQualifier().isExplicitInterpolation())
             error(loc, "can't read from explicitly-interpolated object: ", op, symNode->getName().c_str());
+
+    // local_size_{xyz} must be assigned or specialized before gl_WorkGroupSize can be assigned. 
+    if(node->getQualifier().builtIn == EbvWorkGroupSize &&
+       !(intermediate.isLocalSizeSet() || intermediate.isLocalSizeSpecialized()))
+        error(loc, "can't read from gl_WorkGroupSize before a fixed workgroup size has been declared", op, "");
 }
 
 //
@@ -3355,7 +3500,7 @@ void TParseContext::transparentOpaqueCheck(const TSourceLoc& loc, const TType& t
 
     if (type.containsNonOpaque()) {
         // Vulkan doesn't allow transparent uniforms outside of blocks
-        if (spvVersion.vulkan > 0)
+        if (spvVersion.vulkan > 0 && !spvVersion.vulkanRelaxed)
             vulkanRemoved(loc, "non-opaque uniforms outside a block");
         // OpenGL wants locations on these (unless they are getting automapped)
         if (spvVersion.openGl > 0 && !type.getQualifier().hasLocation() && !intermediate.getAutoMapLocations())
@@ -3368,7 +3513,7 @@ void TParseContext::transparentOpaqueCheck(const TSourceLoc& loc, const TType& t
 //
 void TParseContext::memberQualifierCheck(glslang::TPublicType& publicType)
 {
-    globalQualifierFixCheck(publicType.loc, publicType.qualifier);
+    globalQualifierFixCheck(publicType.loc, publicType.qualifier, true);
     checkNoShaderLayouts(publicType.loc, publicType.shaderQualifiers);
     if (publicType.qualifier.isNonUniform()) {
         error(publicType.loc, "not allowed on block or structure members", "nonuniformEXT", "");
@@ -3379,7 +3524,7 @@ void TParseContext::memberQualifierCheck(glslang::TPublicType& publicType)
 //
 // Check/fix just a full qualifier (no variables or types yet, but qualifier is complete) at global level.
 //
-void TParseContext::globalQualifierFixCheck(const TSourceLoc& loc, TQualifier& qualifier)
+void TParseContext::globalQualifierFixCheck(const TSourceLoc& loc, TQualifier& qualifier, bool isMemberCheck)
 {
     bool nonuniformOkay = false;
 
@@ -3404,6 +3549,16 @@ void TParseContext::globalQualifierFixCheck(const TSourceLoc& loc, TQualifier& q
     case EvqTemporary:
         nonuniformOkay = true;
         break;
+    case EvqUniform:
+        // According to GLSL spec: The std430 qualifier is supported only for shader storage blocks; a shader using
+        // the std430 qualifier on a uniform block will fail to compile.
+        // Only check the global declaration: layout(std430) uniform;
+        if (blockName == nullptr &&
+            qualifier.layoutPacking == ElpStd430)
+        {
+            error(loc, "it is invalid to declare std430 qualifier on uniform", "", "");
+        }
+        break;
     default:
         break;
     }
@@ -3411,7 +3566,9 @@ void TParseContext::globalQualifierFixCheck(const TSourceLoc& loc, TQualifier& q
     if (!nonuniformOkay && qualifier.isNonUniform())
         error(loc, "for non-parameter, can only apply to 'in' or no storage qualifier", "nonuniformEXT", "");
 
-    invariantCheck(loc, qualifier);
+    // Storage qualifier isn't ready for memberQualifierCheck, we should skip invariantCheck for it.
+    if (!isMemberCheck || structNestingLevel > 0)
+        invariantCheck(loc, qualifier);
 }
 
 //
@@ -3422,7 +3579,7 @@ void TParseContext::globalQualifierTypeCheck(const TSourceLoc& loc, const TQuali
     if (! symbolTable.atGlobalLevel())
         return;
 
-    if (!(publicType.userDef && publicType.userDef->isReference())) {
+    if (!(publicType.userDef && publicType.userDef->isReference()) && !parsingBuiltins) {
         if (qualifier.isMemoryQualifierImageAndSSBOOnly() && ! publicType.isImage() && publicType.qualifier.storage != EvqBuffer) {
             error(loc, "memory qualifiers cannot be used on this type", "", "");
         } else if (qualifier.isMemory() && (publicType.basicType != EbtSampler) && !publicType.qualifier.isUniformOrBuffer()) {
@@ -4083,6 +4240,9 @@ void TParseContext::checkRuntimeSizable(const TSourceLoc& loc, const TIntermType
     if (isRuntimeLength(base))
         return;
 
+    if (base.getType().getQualifier().builtIn == EbvSampleMask)
+        return;
+
     // Check for last member of a bufferreference type, which is runtime sizeable
     // but doesn't support runtime length
     if (base.getType().getQualifier().storage == EvqBuffer) {
@@ -4226,6 +4386,8 @@ TSymbol* TParseContext::redeclareBuiltinVariable(const TSourceLoc& loc, const TS
         (identifier == "gl_FragCoord"           && ((nonEsRedecls && version >= 150) || esRedecls)) ||
          identifier == "gl_ClipDistance"                                                            ||
          identifier == "gl_CullDistance"                                                            ||
+         identifier == "gl_ShadingRateEXT"                                                          ||
+         identifier == "gl_PrimitiveShadingRateEXT"                                                 ||
          identifier == "gl_FrontColor"                                                              ||
          identifier == "gl_BackColor"                                                               ||
          identifier == "gl_FrontSecondaryColor"                                                     ||
@@ -4251,8 +4413,10 @@ TSymbol* TParseContext::redeclareBuiltinVariable(const TSourceLoc& loc, const TS
         // If it wasn't at a built-in level, then it's already been redeclared;
         // that is, this is a redeclaration of a redeclaration; reuse that initial
         // redeclaration.  Otherwise, make the new one.
-        if (builtIn)
+        if (builtIn) {
             makeEditable(symbol);
+            symbolTable.amendSymbolIdLevel(*symbol);
+        }
 
         // Now, modify the type of the copy, as per the type of the current redeclaration.
 
@@ -4632,14 +4796,14 @@ void TParseContext::paramCheckFix(const TSourceLoc& loc, const TQualifier& quali
 
 void TParseContext::nestedBlockCheck(const TSourceLoc& loc)
 {
-    if (structNestingLevel > 0)
+    if (structNestingLevel > 0 || blockNestingLevel > 0)
         error(loc, "cannot nest a block definition inside a structure or block", "", "");
-    ++structNestingLevel;
+    ++blockNestingLevel;
 }
 
 void TParseContext::nestedStructCheck(const TSourceLoc& loc)
 {
-    if (structNestingLevel > 0)
+    if (structNestingLevel > 0 || blockNestingLevel > 0)
         error(loc, "cannot nest a structure definition inside a structure or block", "", "");
     ++structNestingLevel;
 }
@@ -4781,7 +4945,7 @@ void TParseContext::inductiveLoopCheck(const TSourceLoc& loc, TIntermNode* init,
     }
 
     // get the unique id of the loop index
-    int loopIndex = binaryInit->getLeft()->getAsSymbolNode()->getId();
+    long long loopIndex = binaryInit->getLeft()->getAsSymbolNode()->getId();
     inductiveLoopIds.insert(loopIndex);
 
     // condition's form must be "loop-index relational-operator constant-expression"
@@ -4967,14 +5131,22 @@ void TParseContext::setLayoutQualifier(const TSourceLoc& loc, TPublicType& publi
         return;
     }
     if (id == TQualifier::getLayoutPackingString(ElpPacked)) {
-        if (spvVersion.spv != 0)
-            spvRemoved(loc, "packed");
+        if (spvVersion.spv != 0) {
+            if (spvVersion.vulkanRelaxed)
+                return; // silently ignore qualifier
+            else
+                spvRemoved(loc, "packed");
+        }
         publicType.qualifier.layoutPacking = ElpPacked;
         return;
     }
     if (id == TQualifier::getLayoutPackingString(ElpShared)) {
-        if (spvVersion.spv != 0)
-            spvRemoved(loc, "shared");
+        if (spvVersion.spv != 0) {
+            if (spvVersion.vulkanRelaxed)
+                return; // silently ignore qualifier
+            else
+                spvRemoved(loc, "shared");
+        }
         publicType.qualifier.layoutPacking = ElpShared;
         return;
     }
@@ -5424,7 +5596,14 @@ void TParseContext::setLayoutQualifier(const TSourceLoc& loc, TPublicType& publi
         if (! IsPow2(value))
             error(loc, "must be a power of 2", "buffer_reference_align", "");
         else
+#ifdef __ANDROID__
+            // Android NDK r15c tageting ABI 15 doesn't have full support for C++11
+            // (no std::exp2/log2). ::exp2 is available from C99 but ::log2 isn't
+            // available up until ABI 18 so we use the mathematical equivalent form
+            publicType.qualifier.layoutBufferReferenceAlign = (unsigned int)(std::log(value) / std::log(2.0));
+#else
             publicType.qualifier.layoutBufferReferenceAlign = (unsigned int)std::log2(value);
+#endif
         if (nonLiteral)
             error(loc, "needs a literal integer", "buffer_reference_align", "");
         return;
@@ -5715,6 +5894,8 @@ void TParseContext::layoutObjectCheck(const TSourceLoc& loc, const TSymbol& symb
                     error(loc, "can only specify on a uniform block", "push_constant", "");
                 if (qualifier.isShaderRecord())
                     error(loc, "can only specify on a buffer block", "shaderRecordNV", "");
+                if (qualifier.hasLocation() && type.isAtomic())
+                    error(loc, "cannot specify on atomic counter", "location", "");
             }
             break;
         default:
@@ -5852,16 +6033,12 @@ void TParseContext::layoutTypeCheck(const TSourceLoc& loc, const TType& type)
         if (type.getBasicType() == EbtSampler) {
             int lastBinding = qualifier.layoutBinding;
             if (type.isArray()) {
-                if (spvVersion.vulkan > 0)
-                    lastBinding += 1;
-                else {
+                if (spvVersion.vulkan == 0) {
                     if (type.isSizedArray())
-                        lastBinding += type.getCumulativeArraySize();
+                        lastBinding += (type.getCumulativeArraySize() - 1);
                     else {
-                        lastBinding += 1;
 #ifndef GLSLANG_WEB
-                        if (spvVersion.vulkan == 0)
-                            warn(loc, "assuming binding count of one for compile-time checking of binding numbers for unsized array", "[]", "");
+                        warn(loc, "assuming binding count of one for compile-time checking of binding numbers for unsized array", "[]", "");
 #endif
                     }
                 }
@@ -5871,7 +6048,7 @@ void TParseContext::layoutTypeCheck(const TSourceLoc& loc, const TType& type)
                 error(loc, "sampler binding not less than gl_MaxCombinedTextureImageUnits", "binding", type.isArray() ? "(using array)" : "");
 #endif
         }
-        if (type.isAtomic()) {
+        if (type.isAtomic() && !spvVersion.vulkanRelaxed) {
             if (qualifier.layoutBinding >= (unsigned int)resources.maxAtomicCounterBindings) {
                 error(loc, "atomic_uint binding is too large; see gl_MaxAtomicCounterBindings", "binding", "");
                 return;
@@ -5985,12 +6162,28 @@ void TParseContext::layoutTypeCheck(const TSourceLoc& loc, const TType& type)
     }
 }
 
+static bool storageCanHaveLayoutInBlock(const enum TStorageQualifier storage)
+{
+    switch (storage) {
+    case EvqUniform:
+    case EvqBuffer:
+    case EvqShared:
+        return true;
+    default:
+        return false;
+    }
+}
+
 // Do layout error checking that can be done within a layout qualifier proper, not needing to know
 // if there are blocks, atomic counters, variables, etc.
 void TParseContext::layoutQualifierCheck(const TSourceLoc& loc, const TQualifier& qualifier)
 {
-    if (qualifier.storage == EvqShared && qualifier.hasLayout())
-        error(loc, "cannot apply layout qualifiers to a shared variable", "shared", "");
+    if (qualifier.storage == EvqShared && qualifier.hasLayout()) {
+        if (spvVersion.spv > 0 && spvVersion.spv < EShTargetSpv_1_4) {
+            error(loc, "shared block requires at least SPIR-V 1.4", "shared block", "");
+        }
+        profileRequires(loc, EEsProfile | ECoreProfile | ECompatibilityProfile, 0, E_GL_EXT_shared_memory_block, "shared block");
+    }
 
     // "It is a compile-time error to use *component* without also specifying the location qualifier (order does not matter)."
     if (qualifier.hasComponent() && ! qualifier.hasLocation())
@@ -6073,7 +6266,7 @@ void TParseContext::layoutQualifierCheck(const TSourceLoc& loc, const TQualifier
             error(loc, "can only be used on an output", "xfb layout qualifier", "");
     }
     if (qualifier.hasUniformLayout()) {
-        if (! qualifier.isUniformOrBuffer() && !qualifier.isTaskMemory()) {
+        if (!storageCanHaveLayoutInBlock(qualifier.storage) && !qualifier.isTaskMemory()) {
             if (qualifier.hasMatrix() || qualifier.hasPacking())
                 error(loc, "matrix or packing qualifiers can only be used on a uniform or buffer", "layout", "");
             if (qualifier.hasOffset() || qualifier.hasAlign())
@@ -6525,6 +6718,68 @@ const TFunction* TParseContext::findFunctionExplicitTypes(const TSourceLoc& loc,
     return bestMatch;
 }
 
+//
+// Adjust function calls that aren't declared in Vulkan to a
+// calls with equivalent effects
+//
+TIntermTyped* TParseContext::vkRelaxedRemapFunctionCall(const TSourceLoc& loc, TFunction* function, TIntermNode* arguments)
+{
+    TIntermTyped* result = nullptr;
+
+#ifndef GLSLANG_WEB
+    if (function->getBuiltInOp() != EOpNull) {
+        return nullptr;
+    }
+
+    if (function->getName() == "atomicCounterIncrement") {
+        // change atomicCounterIncrement into an atomicAdd of 1
+        TString name("atomicAdd");
+        TType uintType(EbtUint);
+
+        TFunction realFunc(&name, function->getType());
+
+        for (int i = 0; i < function->getParamCount(); ++i) {
+            realFunc.addParameter((*function)[i]);
+        }
+
+        TParameter tmpP = { 0, &uintType };
+        realFunc.addParameter(tmpP);
+        arguments = intermediate.growAggregate(arguments, intermediate.addConstantUnion(1, loc, true));
+
+        result = handleFunctionCall(loc, &realFunc, arguments);
+    } else if (function->getName() == "atomicCounterDecrement") {
+        // change atomicCounterDecrement into an atomicAdd with -1
+        // and subtract 1 from result, to return post-decrement value
+        TString name("atomicAdd");
+        TType uintType(EbtUint);
+
+        TFunction realFunc(&name, function->getType());
+
+        for (int i = 0; i < function->getParamCount(); ++i) {
+            realFunc.addParameter((*function)[i]);
+        }
+
+        TParameter tmpP = { 0, &uintType };
+        realFunc.addParameter(tmpP);
+        arguments = intermediate.growAggregate(arguments, intermediate.addConstantUnion(-1, loc, true));
+
+        result = handleFunctionCall(loc, &realFunc, arguments);
+
+        // post decrement, so that it matches AtomicCounterDecrement semantics
+        if (result) {
+            result = handleBinaryMath(loc, "-", EOpSub, result, intermediate.addConstantUnion(1, loc, true));
+        }
+    } else if (function->getName() == "atomicCounter") {
+        // change atomicCounter into a direct read of the variable
+        if (arguments->getAsTyped()) {
+            result = arguments->getAsTyped();
+        }
+    }
+#endif
+
+    return result;
+}
+
 // When a declaration includes a type, but not a variable name, it can be used
 // to establish defaults.
 void TParseContext::declareTypeDefaults(const TSourceLoc& loc, const TPublicType& publicType)
@@ -6535,18 +6790,105 @@ void TParseContext::declareTypeDefaults(const TSourceLoc& loc, const TPublicType
             error(loc, "atomic_uint binding is too large", "binding", "");
             return;
         }
-
-        if(publicType.qualifier.hasOffset()) {
+        if (publicType.qualifier.hasOffset())
             atomicUintOffsets[publicType.qualifier.layoutBinding] = publicType.qualifier.layoutOffset;
-        }
         return;
     }
 
+    if (publicType.arraySizes) {
+        error(loc, "expect an array name", "", "");
+    }
+
     if (publicType.qualifier.hasLayout() && !publicType.qualifier.hasBufferReference())
         warn(loc, "useless application of layout qualifier", "layout", "");
 #endif
 }
 
+bool TParseContext::vkRelaxedRemapUniformVariable(const TSourceLoc& loc, TString& identifier, const TPublicType&,
+    TArraySizes*, TIntermTyped* initializer, TType& type)
+{
+    if (parsingBuiltins || symbolTable.atBuiltInLevel() || !symbolTable.atGlobalLevel() ||
+        type.getQualifier().storage != EvqUniform ||
+        !(type.containsNonOpaque()
+#ifndef GLSLANG_WEB
+            || type.getBasicType() == EbtAtomicUint
+#endif
+        )) {
+        return false;
+    }
+
+    if (type.getQualifier().hasLocation()) {
+        warn(loc, "ignoring layout qualifier for uniform", identifier.c_str(), "location");
+        type.getQualifier().layoutLocation = TQualifier::layoutLocationEnd;
+    }
+
+    if (initializer) {
+        warn(loc, "Ignoring initializer for uniform", identifier.c_str(), "");
+        initializer = nullptr;
+    }
+
+    if (type.isArray()) {
+        // do array size checks here
+        arraySizesCheck(loc, type.getQualifier(), type.getArraySizes(), initializer, false);
+
+        if (arrayQualifierError(loc, type.getQualifier()) || arrayError(loc, type)) {
+            error(loc, "array param error", identifier.c_str(), "");
+        }
+    }
+
+    // do some checking on the type as it was declared
+    layoutTypeCheck(loc, type);
+
+    int bufferBinding = TQualifier::layoutBindingEnd;
+    TVariable* updatedBlock = nullptr;
+
+#ifndef GLSLANG_WEB
+    // Convert atomic_uint into members of a buffer block
+    if (type.isAtomic()) {
+        type.setBasicType(EbtUint);
+        type.getQualifier().storage = EvqBuffer;
+
+        type.getQualifier().volatil = true;
+        type.getQualifier().coherent = true;
+
+        // xxTODO: use logic from fixOffset() to apply explicit member offset
+        bufferBinding = type.getQualifier().layoutBinding;
+        type.getQualifier().layoutBinding = TQualifier::layoutBindingEnd;
+        type.getQualifier().explicitOffset = false;
+        growAtomicCounterBlock(bufferBinding, loc, type, identifier, nullptr);
+        updatedBlock = atomicCounterBuffers[bufferBinding];
+    }
+#endif
+
+    if (!updatedBlock) {
+        growGlobalUniformBlock(loc, type, identifier, nullptr);
+        updatedBlock = globalUniformBlock;
+    }
+
+    //
+    //      don't assign explicit member offsets here
+    //      if any are assigned, need to be updated here and in the merge/link step
+    // fixBlockUniformOffsets(updatedBlock->getWritableType().getQualifier(), *updatedBlock->getWritableType().getWritableStruct());
+
+    // checks on update buffer object
+    layoutObjectCheck(loc, *updatedBlock);
+
+    TSymbol* symbol = symbolTable.find(identifier);
+
+    if (!symbol) {
+        if (updatedBlock == globalUniformBlock)
+            error(loc, "error adding uniform to default uniform block", identifier.c_str(), "");
+        else
+            error(loc, "error adding atomic counter to atomic counter block", identifier.c_str(), "");
+        return false;
+    }
+
+    // merge qualifiers
+    mergeObjectLayoutQualifiers(updatedBlock->getWritableType().getQualifier(), type.getQualifier(), true);
+
+    return true;
+}
+
 //
 // Do everything necessary to handle a variable (non-block) declaration.
 // Either redeclaring a variable, or making a new one, updating the symbol
@@ -6632,6 +6974,22 @@ TIntermNode* TParseContext::declareVariable(const TSourceLoc& loc, TString& iden
     if (type.getQualifier().storage == EvqShared && type.containsCoopMat())
         error(loc, "qualifier", "Cooperative matrix types must not be used in shared memory", "");
 
+    if (profile == EEsProfile) {
+        if (type.getQualifier().isPipeInput() && type.getBasicType() == EbtStruct) {
+            if (type.getQualifier().isArrayedIo(language)) {
+                TType perVertexType(type, 0);
+                if (perVertexType.containsArray() && perVertexType.containsBuiltIn() == false) {
+                    error(loc, "A per vertex structure containing an array is not allowed as input in ES", type.getTypeName().c_str(), "");
+                }
+            }
+            else if (type.containsArray() && type.containsBuiltIn() == false) {
+                error(loc, "A structure containing an array is not allowed as input in ES", type.getTypeName().c_str(), "");
+            }
+            if (type.containsStructure())
+                error(loc, "A structure containing an struct is not allowed as input in ES", type.getTypeName().c_str(), "");
+        }
+    }
+
     if (identifier != "gl_FragCoord" && (publicType.shaderQualifiers.originUpperLeft || publicType.shaderQualifiers.pixelCenterInteger))
         error(loc, "can only apply origin_upper_left and pixel_center_origin to gl_FragCoord", "layout qualifier", "");
     if (identifier != "gl_FragDepth" && publicType.shaderQualifiers.getDepth() != EldNone)
@@ -6642,6 +7000,14 @@ TIntermNode* TParseContext::declareVariable(const TSourceLoc& loc, TString& iden
     if (symbol == nullptr)
         reservedErrorCheck(loc, identifier);
 
+    if (symbol == nullptr && spvVersion.vulkan > 0 && spvVersion.vulkanRelaxed) {
+        bool remapped = vkRelaxedRemapUniformVariable(loc, identifier, publicType, arraySizes, initializer, type);
+
+        if (remapped) {
+            return nullptr;
+        }
+    }
+
     inheritGlobalDefaults(type.getQualifier());
 
     // Declare the variable
@@ -6749,6 +7115,11 @@ TVariable* TParseContext::declareNonArray(const TSourceLoc& loc, const TString&
 //
 TIntermNode* TParseContext::executeInitializer(const TSourceLoc& loc, TIntermTyped* initializer, TVariable* variable)
 {
+    // A null initializer is an aggregate that hasn't had an op assigned yet
+    // (still EOpNull, no relation to nullInit), and has no children.
+    bool nullInit = initializer->getAsAggregate() && initializer->getAsAggregate()->getOp() == EOpNull &&
+        initializer->getAsAggregate()->getSequence().size() == 0;
+
     //
     // Identifier must be of type constant, a global, or a temporary, and
     // starting at version 120, desktop allows uniforms to have initializers.
@@ -6756,9 +7127,36 @@ TIntermNode* TParseContext::executeInitializer(const TSourceLoc& loc, TIntermTyp
     TStorageQualifier qualifier = variable->getType().getQualifier().storage;
     if (! (qualifier == EvqTemporary || qualifier == EvqGlobal || qualifier == EvqConst ||
            (qualifier == EvqUniform && !isEsProfile() && version >= 120))) {
-        error(loc, " cannot initialize this type of qualifier ", variable->getType().getStorageQualifierString(), "");
+        if (qualifier == EvqShared) {
+            // GL_EXT_null_initializer allows this for shared, if it's a null initializer
+            if (nullInit) {
+                const char* feature = "initialization with shared qualifier";
+                profileRequires(loc, EEsProfile, 0, E_GL_EXT_null_initializer, feature);
+                profileRequires(loc, ~EEsProfile, 0, E_GL_EXT_null_initializer, feature);
+            } else {
+                error(loc, "initializer can only be a null initializer ('{}')", "shared", "");
+            }
+        } else {
+            error(loc, " cannot initialize this type of qualifier ",
+                  variable->getType().getStorageQualifierString(), "");
+            return nullptr;
+        }
+    }
+
+    if (nullInit) {
+        // only some types can be null initialized
+        if (variable->getType().containsUnsizedArray()) {
+            error(loc, "null initializers can't size unsized arrays", "{}", "");
+            return nullptr;
+        }
+        if (variable->getType().containsOpaque()) {
+            error(loc, "null initializers can't be used on opaque values", "{}", "");
+            return nullptr;
+        }
+        variable->getWritableType().getQualifier().setNullInit();
         return nullptr;
     }
+
     arrayObjectCheck(loc, variable->getType(), "array initializer");
 
     //
@@ -6802,13 +7200,15 @@ TIntermNode* TParseContext::executeInitializer(const TSourceLoc& loc, TIntermTyp
 
     // Uniforms require a compile-time constant initializer
     if (qualifier == EvqUniform && ! initializer->getType().getQualifier().isFrontEndConstant()) {
-        error(loc, "uniform initializers must be constant", "=", "'%s'", variable->getType().getCompleteString().c_str());
+        error(loc, "uniform initializers must be constant", "=", "'%s'",
+              variable->getType().getCompleteString().c_str());
         variable->getWritableType().getQualifier().makeTemporary();
         return nullptr;
     }
     // Global consts require a constant initializer (specialization constant is okay)
     if (qualifier == EvqConst && symbolTable.atGlobalLevel() && ! initializer->getType().getQualifier().isConstant()) {
-        error(loc, "global const initializers must be constant", "=", "'%s'", variable->getType().getCompleteString().c_str());
+        error(loc, "global const initializers must be constant", "=", "'%s'",
+              variable->getType().getCompleteString().c_str());
         variable->getWritableType().getQualifier().makeTemporary();
         return nullptr;
     }
@@ -6828,7 +7228,8 @@ TIntermNode* TParseContext::executeInitializer(const TSourceLoc& loc, TIntermTyp
         // "In declarations of global variables with no storage qualifier or with a const
         // qualifier any initializer must be a constant expression."
         if (symbolTable.atGlobalLevel() && ! initializer->getType().getQualifier().isConstant()) {
-            const char* initFeature = "non-constant global initializer (needs GL_EXT_shader_non_constant_global_initializers)";
+            const char* initFeature =
+                "non-constant global initializer (needs GL_EXT_shader_non_constant_global_initializers)";
             if (isEsProfile()) {
                 if (relaxedErrors() && ! extensionTurnedOn(E_GL_EXT_shader_non_constant_global_initializers))
                     warn(loc, "not allowed in this version", initFeature, "");
@@ -6842,7 +7243,8 @@ TIntermNode* TParseContext::executeInitializer(const TSourceLoc& loc, TIntermTyp
         // Compile-time tagging of the variable with its constant value...
 
         initializer = intermediate.addConversion(EOpAssign, variable->getType(), initializer);
-        if (! initializer || ! initializer->getType().getQualifier().isConstant() || variable->getType() != initializer->getType()) {
+        if (! initializer || ! initializer->getType().getQualifier().isConstant() ||
+            variable->getType() != initializer->getType()) {
             error(loc, "non-matching or non-convertible constant type for const initializer",
                   variable->getType().getStorageQualifierString(), "");
             variable->getWritableType().getQualifier().makeTemporary();
@@ -6954,6 +7356,15 @@ TIntermTyped* TParseContext::convertInitializerList(const TSourceLoc& loc, const
             error(loc, "wrong vector size (or rows in a matrix column):", "initializer list", type.getCompleteString().c_str());
             return nullptr;
         }
+        TBasicType destType = type.getBasicType();
+        for (int i = 0; i < type.getVectorSize(); ++i) {
+            TBasicType initType = initList->getSequence()[i]->getAsTyped()->getBasicType();
+            if (destType != initType && !intermediate.canImplicitlyPromote(initType, destType)) {
+                error(loc, "type mismatch in initializer list", "initializer list", type.getCompleteString().c_str());
+                return nullptr;
+            }
+
+        }
     } else {
         error(loc, "unexpected initializer-list type:", "initializer list", type.getCompleteString().c_str());
         return nullptr;
@@ -7410,6 +7821,19 @@ TIntermTyped* TParseContext::constructBuiltIn(const TType& type, TOperator op, T
 
         return node;
 
+    case EOpConstructAccStruct:
+        if ((node->getType().isScalar() && node->getType().getBasicType() == EbtUint64)) {
+            // construct acceleration structure from uint64
+            requireExtensions(loc, 1, &E_GL_EXT_ray_tracing, "uint64_t conversion to acclerationStructureEXT");
+            return intermediate.addBuiltInFunctionCall(node->getLoc(), EOpConvUint64ToAccStruct, true, node,
+                type);
+        } else if (node->getType().isVector() && node->getType().getBasicType() == EbtUint && node->getVectorSize() == 2) {
+            // construct acceleration structure from uint64
+            requireExtensions(loc, 1, &E_GL_EXT_ray_tracing, "uvec2 conversion to accelerationStructureEXT");
+            return intermediate.addBuiltInFunctionCall(node->getLoc(), EOpConvUvec2ToAccStruct, true, node,
+                type);
+        } else
+            return nullptr;
 #endif // GLSLANG_WEB
 
     default:
@@ -7476,6 +7900,8 @@ void TParseContext::inheritMemoryQualifiers(const TQualifier& from, TQualifier&
 void TParseContext::declareBlock(const TSourceLoc& loc, TTypeList& typeList, const TString* instanceName,
     TArraySizes* arraySizes)
 {
+    if (spvVersion.vulkan > 0 && spvVersion.vulkanRelaxed)
+        blockStorageRemap(loc, blockName, currentBlockQualifier);
     blockStageIoCheck(loc, currentBlockQualifier);
     blockQualifierCheck(loc, currentBlockQualifier, instanceName != nullptr);
     if (arraySizes != nullptr) {
@@ -7490,10 +7916,10 @@ void TParseContext::declareBlock(const TSourceLoc& loc, TTypeList& typeList, con
         TType& memberType = *typeList[member].type;
         TQualifier& memberQualifier = memberType.getQualifier();
         const TSourceLoc& memberLoc = typeList[member].loc;
-        globalQualifierFixCheck(memberLoc, memberQualifier);
         if (memberQualifier.storage != EvqTemporary && memberQualifier.storage != EvqGlobal && memberQualifier.storage != currentBlockQualifier.storage)
             error(memberLoc, "member storage qualifier cannot contradict block storage qualifier", memberType.getFieldName().c_str(), "");
         memberQualifier.storage = currentBlockQualifier.storage;
+        globalQualifierFixCheck(memberLoc, memberQualifier);
 #ifndef GLSLANG_WEB
         inheritMemoryQualifiers(currentBlockQualifier, memberQualifier);
         if (currentBlockQualifier.perPrimitiveNV)
@@ -7543,6 +7969,7 @@ void TParseContext::declareBlock(const TSourceLoc& loc, TTypeList& typeList, con
     case EvqBuffer:     defaultQualification = globalBufferDefaults;     break;
     case EvqVaryingIn:  defaultQualification = globalInputDefaults;      break;
     case EvqVaryingOut: defaultQualification = globalOutputDefaults;     break;
+    case EvqShared:     defaultQualification = globalSharedDefaults;     break;
     default:            defaultQualification.clear();                    break;
     }
 
@@ -7764,6 +8191,17 @@ void TParseContext::declareBlock(const TSourceLoc& loc, TTypeList& typeList, con
     trackLinkage(variable);
 }
 
+//
+// allow storage type of block to be remapped at compile time
+//
+void TParseContext::blockStorageRemap(const TSourceLoc&, const TString* instanceName, TQualifier& qualifier)
+{
+    TBlockStorageClass type = intermediate.getBlockStorageOverride(instanceName->c_str());
+    if (type != EbsNone) {
+        qualifier.setBlockStorage(type);
+    }
+}
+
 // Do all block-declaration checking regarding the combination of in/out/uniform/buffer
 // with a particular stage.
 void TParseContext::blockStageIoCheck(const TSourceLoc& loc, const TQualifier& qualifier)
@@ -7806,6 +8244,12 @@ void TParseContext::blockStageIoCheck(const TSourceLoc& loc, const TQualifier& q
             error(loc, "output blocks cannot be used in a task shader", "out", "");
         }
         break;
+    case EvqShared:
+        if (spvVersion.spv > 0 && spvVersion.spv < EShTargetSpv_1_4) {
+            error(loc, "shared block requires at least SPIR-V 1.4", "shared block", "");
+        }
+        profileRequires(loc, EEsProfile | ECoreProfile | ECompatibilityProfile, 0, E_GL_EXT_shared_memory_block, "shared block");
+        break;
 #ifndef GLSLANG_WEB
     case EvqPayload:
         profileRequires(loc, ~EEsProfile, 460, 2, extsrt, "rayPayloadNV block");
@@ -7964,7 +8408,7 @@ void TParseContext::fixXfbOffsets(TQualifier& qualifier, TTypeList& typeList)
 //
 void TParseContext::fixBlockUniformOffsets(TQualifier& qualifier, TTypeList& typeList)
 {
-    if (!qualifier.isUniformOrBuffer() && !qualifier.isTaskMemory())
+    if (!storageCanHaveLayoutInBlock(qualifier.storage) && !qualifier.isTaskMemory())
         return;
     if (qualifier.layoutPacking != ElpStd140 && qualifier.layoutPacking != ElpStd430 && qualifier.layoutPacking != ElpScalar)
         return;
@@ -8191,7 +8635,7 @@ void TParseContext::invariantCheck(const TSourceLoc& loc, const TQualifier& qual
 
     bool pipeOut = qualifier.isPipeOutput();
     bool pipeIn = qualifier.isPipeInput();
-    if (version >= 300 || (!isEsProfile() && version >= 420)) {
+    if ((version >= 300 && isEsProfile()) || (!isEsProfile() && version >= 420)) {
         if (! pipeOut)
             error(loc, "can only apply to an output", "invariant", "");
     } else {
@@ -8478,8 +8922,14 @@ void TParseContext::updateStandaloneQualifierDefaults(const TSourceLoc& loc, con
         }
 #endif
         break;
+    case EvqShared:
+        if (qualifier.hasMatrix())
+            globalSharedDefaults.layoutMatrix = qualifier.layoutMatrix;
+        if (qualifier.hasPacking())
+            globalSharedDefaults.layoutPacking = qualifier.layoutPacking;
+        break;
     default:
-        error(loc, "default qualifier requires 'uniform', 'buffer', 'in', or 'out' storage qualification", "", "");
+        error(loc, "default qualifier requires 'uniform', 'buffer', 'in', 'out' or 'shared' storage qualification", "", "");
         return;
     }
 

src/libraries/glslang/glslang/MachineIndependent/ParseHelper.h

@@ -67,7 +67,7 @@ struct TPragma {
 class TScanContext;
 class TPpContext;
 
-typedef std::set<int> TIdSetType;
+typedef std::set<long long> TIdSetType;
 typedef std::map<const TTypeList*, std::map<size_t, const TTypeList*>> TStructRecord;
 
 //
@@ -83,7 +83,7 @@ public:
           : TParseVersions(interm, version, profile, spvVersion, language, infoSink, forwardCompatible, messages),
             scopeMangler("::"),
             symbolTable(symbolTable),
-            statementNestingLevel(0), loopNestingLevel(0), structNestingLevel(0), controlFlowNestingLevel(0),
+            statementNestingLevel(0), loopNestingLevel(0), structNestingLevel(0), blockNestingLevel(0), controlFlowNestingLevel(0),
             currentFunctionType(nullptr),
             postEntryPointReturn(false),
             contextPragma(true, false),
@@ -92,7 +92,8 @@ public:
             limits(resources.limits),
             globalUniformBlock(nullptr),
             globalUniformBinding(TQualifier::layoutBindingEnd),
-            globalUniformSet(TQualifier::layoutSetEnd)
+            globalUniformSet(TQualifier::layoutSetEnd),
+            atomicCounterBlockSet(TQualifier::layoutSetEnd)
     {
         if (entryPoint != nullptr)
             sourceEntryPointName = *entryPoint;
@@ -154,10 +155,11 @@ public:
             extensionCallback(line, extension, behavior);
     }
 
-#ifdef ENABLE_HLSL
     // Manage the global uniform block (default uniforms in GLSL, $Global in HLSL)
     virtual void growGlobalUniformBlock(const TSourceLoc&, TType&, const TString& memberName, TTypeList* typeList = nullptr);
-#endif
+
+    // Manage global buffer (used for backing atomic counters in GLSL when using relaxed Vulkan semantics)
+    virtual void growAtomicCounterBlock(int binding, const TSourceLoc&, TType&, const TString& memberName, TTypeList* typeList = nullptr);
 
     // Potentially rename shader entry point function
     void renameShaderFunction(TString*& name) const
@@ -178,7 +180,8 @@ public:
     TSymbolTable& symbolTable;        // symbol table that goes with the current language, version, and profile
     int statementNestingLevel;        // 0 if outside all flow control or compound statements
     int loopNestingLevel;             // 0 if outside all loops
-    int structNestingLevel;           // 0 if outside blocks and structures
+    int structNestingLevel;           // 0 if outside structures
+    int blockNestingLevel;            // 0 if outside blocks
     int controlFlowNestingLevel;      // 0 if outside all flow control
     const TType* currentFunctionType; // the return type of the function that's currently being parsed
     bool functionReturnsValue;        // true if a non-void function has a return
@@ -229,7 +232,24 @@ protected:
     // override this to set the language-specific name
     virtual const char* getGlobalUniformBlockName() const { return ""; }
     virtual void setUniformBlockDefaults(TType&) const { }
-    virtual void finalizeGlobalUniformBlockLayout(TVariable&) { }
+    virtual void finalizeGlobalUniformBlockLayout(TVariable&) {}
+
+    // Manage the atomic counter block (used for atomic_uints with Vulkan-Relaxed)
+    TMap<int, TVariable*> atomicCounterBuffers;
+    unsigned int atomicCounterBlockSet;
+    TMap<int, int> atomicCounterBlockFirstNewMember;
+    // override this to set the language-specific name
+    virtual const char* getAtomicCounterBlockName() const { return ""; }
+    virtual void setAtomicCounterBlockDefaults(TType&) const {}
+    virtual void finalizeAtomicCounterBlockLayout(TVariable&) {}
+    bool isAtomicCounterBlock(const TSymbol& symbol) {
+        const TVariable* var = symbol.getAsVariable();
+        if (!var)
+            return false;
+        const auto& at = atomicCounterBuffers.find(var->getType().getQualifier().layoutBinding);
+        return (at != atomicCounterBuffers.end() && (*at).second->getType() == var->getType());
+    }
+
     virtual void outputMessage(const TSourceLoc&, const char* szReason, const char* szToken,
                                const char* szExtraInfoFormat, TPrefixType prefix,
                                va_list args);
@@ -292,6 +312,9 @@ public:
     bool parseShaderStrings(TPpContext&, TInputScanner& input, bool versionWillBeError = false) override;
     void parserError(const char* s);     // for bison's yyerror
 
+    virtual void growGlobalUniformBlock(const TSourceLoc&, TType&, const TString& memberName, TTypeList* typeList = nullptr) override;
+    virtual void growAtomicCounterBlock(int binding, const TSourceLoc&, TType&, const TString& memberName, TTypeList* typeList = nullptr) override;
+
     void reservedErrorCheck(const TSourceLoc&, const TString&);
     void reservedPpErrorCheck(const TSourceLoc&, const char* name, const char* op) override;
     bool lineContinuationCheck(const TSourceLoc&, bool endOfComment) override;
@@ -339,6 +362,10 @@ public:
     void checkPrecisionQualifier(const TSourceLoc&, TPrecisionQualifier);
     void memorySemanticsCheck(const TSourceLoc&, const TFunction&, const TIntermOperator& callNode);
 
+    TIntermTyped* vkRelaxedRemapFunctionCall(const TSourceLoc&, TFunction*, TIntermNode*);
+    // returns true if the variable was remapped to something else
+    bool vkRelaxedRemapUniformVariable(const TSourceLoc&, TString&, const TPublicType&, TArraySizes*, TIntermTyped*, TType&);
+
     void assignError(const TSourceLoc&, const char* op, TString left, TString right);
     void unaryOpError(const TSourceLoc&, const char* op, TString operand);
     void binaryOpError(const TSourceLoc&, const char* op, TString left, TString right);
@@ -365,7 +392,7 @@ public:
     void accStructCheck(const TSourceLoc & loc, const TType & type, const TString & identifier);
     void transparentOpaqueCheck(const TSourceLoc&, const TType&, const TString& identifier);
     void memberQualifierCheck(glslang::TPublicType&);
-    void globalQualifierFixCheck(const TSourceLoc&, TQualifier&);
+    void globalQualifierFixCheck(const TSourceLoc&, TQualifier&, bool isMemberCheck = false);
     void globalQualifierTypeCheck(const TSourceLoc&, const TQualifier&, const TPublicType&);
     bool structQualifierErrorCheck(const TSourceLoc&, const TPublicType& pType);
     void mergeQualifiers(const TSourceLoc&, TQualifier& dst, const TQualifier& src, bool force);
@@ -391,7 +418,7 @@ public:
     void arrayLimitCheck(const TSourceLoc&, const TString&, int size);
     void limitCheck(const TSourceLoc&, int value, const char* limit, const char* feature);
 
-    void inductiveLoopBodyCheck(TIntermNode*, int loopIndexId, TSymbolTable&);
+    void inductiveLoopBodyCheck(TIntermNode*, long long loopIndexId, TSymbolTable&);
     void constantIndexExpressionCheck(TIntermNode*);
 
     void setLayoutQualifier(const TSourceLoc&, TPublicType&, TString&);
@@ -416,6 +443,7 @@ public:
     TIntermTyped* constructBuiltIn(const TType&, TOperator, TIntermTyped*, const TSourceLoc&, bool subset);
     void inheritMemoryQualifiers(const TQualifier& from, TQualifier& to);
     void declareBlock(const TSourceLoc&, TTypeList& typeList, const TString* instanceName = 0, TArraySizes* arraySizes = 0);
+    void blockStorageRemap(const TSourceLoc&, const TString*, TQualifier&);
     void blockStageIoCheck(const TSourceLoc&, const TQualifier&);
     void blockQualifierCheck(const TSourceLoc&, const TQualifier&, bool instanceName);
     void fixBlockLocations(const TSourceLoc&, TQualifier&, TTypeList&, bool memberWithLocation, bool memberWithoutLocation);
@@ -460,6 +488,14 @@ protected:
     void finish() override;
 #endif
 
+    virtual const char* getGlobalUniformBlockName() const override;
+    virtual void finalizeGlobalUniformBlockLayout(TVariable&) override;
+    virtual void setUniformBlockDefaults(TType& block) const override;
+
+    virtual const char* getAtomicCounterBlockName() const override;
+    virtual void finalizeAtomicCounterBlockLayout(TVariable&) override;
+    virtual void setAtomicCounterBlockDefaults(TType& block) const override;
+
 public:
     //
     // Generally, bison productions, the scanner, and the PP need read/write access to these; just give them direct access
@@ -484,6 +520,7 @@ protected:
     TQualifier globalUniformDefaults;
     TQualifier globalInputDefaults;
     TQualifier globalOutputDefaults;
+    TQualifier globalSharedDefaults;
     TString currentCaller;        // name of last function body entered (not valid when at global scope)
 #ifndef GLSLANG_WEB
     int* atomicUintOffsets;       // to become an array of the right size to hold an offset per binding point

src/libraries/glslang/glslang/MachineIndependent/Scan.cpp

@@ -365,6 +365,9 @@ void TScanContext::fillInKeywordMap()
     (*KeywordMap)["if"] =                      IF;
     (*KeywordMap)["else"] =                    ELSE;
     (*KeywordMap)["discard"] =                 DISCARD;
+    (*KeywordMap)["terminateInvocation"] =     TERMINATE_INVOCATION;
+    (*KeywordMap)["terminateRayEXT"] =         TERMINATE_RAY;
+    (*KeywordMap)["ignoreIntersectionEXT"] =   IGNORE_INTERSECTION;
     (*KeywordMap)["return"] =                  RETURN;
     (*KeywordMap)["void"] =                    VOID;
     (*KeywordMap)["bool"] =                    BOOL;
@@ -471,6 +474,28 @@ void TScanContext::fillInKeywordMap()
     (*KeywordMap)["image2DMSArray"] =          IMAGE2DMSARRAY;
     (*KeywordMap)["iimage2DMSArray"] =         IIMAGE2DMSARRAY;
     (*KeywordMap)["uimage2DMSArray"] =         UIMAGE2DMSARRAY;
+    (*KeywordMap)["i64image1D"] =              I64IMAGE1D;
+    (*KeywordMap)["u64image1D"] =              U64IMAGE1D;
+    (*KeywordMap)["i64image2D"] =              I64IMAGE2D;
+    (*KeywordMap)["u64image2D"] =              U64IMAGE2D;
+    (*KeywordMap)["i64image3D"] =              I64IMAGE3D;
+    (*KeywordMap)["u64image3D"] =              U64IMAGE3D;
+    (*KeywordMap)["i64image2DRect"] =          I64IMAGE2DRECT;
+    (*KeywordMap)["u64image2DRect"] =          U64IMAGE2DRECT;
+    (*KeywordMap)["i64imageCube"] =            I64IMAGECUBE;
+    (*KeywordMap)["u64imageCube"] =            U64IMAGECUBE;
+    (*KeywordMap)["i64imageBuffer"] =          I64IMAGEBUFFER;
+    (*KeywordMap)["u64imageBuffer"] =          U64IMAGEBUFFER;
+    (*KeywordMap)["i64image1DArray"] =         I64IMAGE1DARRAY;
+    (*KeywordMap)["u64image1DArray"] =         U64IMAGE1DARRAY;
+    (*KeywordMap)["i64image2DArray"] =         I64IMAGE2DARRAY;
+    (*KeywordMap)["u64image2DArray"] =         U64IMAGE2DARRAY;
+    (*KeywordMap)["i64imageCubeArray"] =       I64IMAGECUBEARRAY;
+    (*KeywordMap)["u64imageCubeArray"] =       U64IMAGECUBEARRAY;
+    (*KeywordMap)["i64image2DMS"] =            I64IMAGE2DMS;
+    (*KeywordMap)["u64image2DMS"] =            U64IMAGE2DMS;
+    (*KeywordMap)["i64image2DMSArray"] =       I64IMAGE2DMSARRAY;
+    (*KeywordMap)["u64image2DMSArray"] =       U64IMAGE2DMSARRAY;
     (*KeywordMap)["double"] =                  DOUBLE;
     (*KeywordMap)["dvec2"] =                   DVEC2;
     (*KeywordMap)["dvec3"] =                   DVEC3;
@@ -914,6 +939,17 @@ int TScanContext::tokenizeIdentifier()
     case CASE:
         return keyword;
 
+    case TERMINATE_INVOCATION:
+        if (!parseContext.extensionTurnedOn(E_GL_EXT_terminate_invocation))
+            return identifierOrType();
+        return keyword;
+
+    case TERMINATE_RAY:
+    case IGNORE_INTERSECTION:
+        if (!parseContext.extensionTurnedOn(E_GL_EXT_ray_tracing))
+            return identifierOrType();
+        return keyword;
+
     case BUFFER:
         afterBuffer = true;
         if ((parseContext.isEsProfile() && parseContext.version < 310) ||
@@ -982,7 +1018,7 @@ int TScanContext::tokenizeIdentifier()
         return keyword;
     case PACKED:
         if ((parseContext.isEsProfile() && parseContext.version < 300) ||
-            (!parseContext.isEsProfile() && parseContext.version < 330))
+            (!parseContext.isEsProfile() && parseContext.version < 140))
             return reservedWord();
         return identifierOrType();
 
@@ -1147,6 +1183,19 @@ int TScanContext::tokenizeIdentifier()
         afterType = true;
         return firstGenerationImage(false);
 
+    case I64IMAGE1D:
+    case U64IMAGE1D:
+    case I64IMAGE1DARRAY:
+    case U64IMAGE1DARRAY:
+    case I64IMAGE2DRECT:
+    case U64IMAGE2DRECT:
+        afterType = true;
+        if (parseContext.symbolTable.atBuiltInLevel() ||
+            parseContext.extensionTurnedOn(E_GL_EXT_shader_image_int64)) {
+            return firstGenerationImage(false);
+        }
+        return identifierOrType();
+
     case IMAGEBUFFER:
     case IIMAGEBUFFER:
     case UIMAGEBUFFER:
@@ -1155,6 +1204,18 @@ int TScanContext::tokenizeIdentifier()
             parseContext.extensionsTurnedOn(Num_AEP_texture_buffer, AEP_texture_buffer))
             return keyword;
         return firstGenerationImage(false);
+        
+    case I64IMAGEBUFFER:
+    case U64IMAGEBUFFER:
+        afterType = true;        
+        if (parseContext.symbolTable.atBuiltInLevel() ||
+            parseContext.extensionTurnedOn(E_GL_EXT_shader_image_int64)) {
+            if ((parseContext.isEsProfile() && parseContext.version >= 320) ||
+                parseContext.extensionsTurnedOn(Num_AEP_texture_buffer, AEP_texture_buffer))
+                return keyword;
+            return firstGenerationImage(false);
+        }
+        return identifierOrType();
 
     case IMAGE2D:
     case IIMAGE2D:
@@ -1171,6 +1232,20 @@ int TScanContext::tokenizeIdentifier()
         afterType = true;
         return firstGenerationImage(true);
 
+    case I64IMAGE2D:
+    case U64IMAGE2D:
+    case I64IMAGE3D:
+    case U64IMAGE3D:
+    case I64IMAGECUBE:
+    case U64IMAGECUBE:
+    case I64IMAGE2DARRAY:
+    case U64IMAGE2DARRAY:
+        afterType = true;
+        if (parseContext.symbolTable.atBuiltInLevel() ||
+            parseContext.extensionTurnedOn(E_GL_EXT_shader_image_int64))
+            return firstGenerationImage(true);
+        return identifierOrType();
+        
     case IMAGECUBEARRAY:
     case IIMAGECUBEARRAY:
     case UIMAGECUBEARRAY:
@@ -1179,6 +1254,18 @@ int TScanContext::tokenizeIdentifier()
             parseContext.extensionsTurnedOn(Num_AEP_texture_cube_map_array, AEP_texture_cube_map_array))
             return keyword;
         return secondGenerationImage();
+        
+    case I64IMAGECUBEARRAY:
+    case U64IMAGECUBEARRAY:
+        afterType = true;
+        if (parseContext.symbolTable.atBuiltInLevel() ||
+            parseContext.extensionTurnedOn(E_GL_EXT_shader_image_int64)) {
+            if ((parseContext.isEsProfile() && parseContext.version >= 320) ||
+                parseContext.extensionsTurnedOn(Num_AEP_texture_cube_map_array, AEP_texture_cube_map_array))
+                return keyword;
+            return secondGenerationImage();
+        }
+        return identifierOrType();
 
     case IMAGE2DMS:
     case IIMAGE2DMS:
@@ -1188,6 +1275,17 @@ int TScanContext::tokenizeIdentifier()
     case UIMAGE2DMSARRAY:
         afterType = true;
         return secondGenerationImage();
+        
+    case I64IMAGE2DMS:
+    case U64IMAGE2DMS:
+    case I64IMAGE2DMSARRAY:
+    case U64IMAGE2DMSARRAY:
+        afterType = true;
+        if (parseContext.symbolTable.atBuiltInLevel() ||
+            parseContext.extensionTurnedOn(E_GL_EXT_shader_image_int64)) {
+            return secondGenerationImage();
+        }
+        return identifierOrType();
 
     case DOUBLE:
     case DVEC2:

src/libraries/glslang/glslang/MachineIndependent/ShaderLang.cpp

@@ -159,7 +159,7 @@ int MapVersionToIndex(int version)
     return index;
 }
 
-const int SpvVersionCount = 3;  // index range in MapSpvVersionToIndex
+const int SpvVersionCount = 4;  // index range in MapSpvVersionToIndex
 
 int MapSpvVersionToIndex(const SpvVersion& spvVersion)
 {
@@ -167,8 +167,12 @@ int MapSpvVersionToIndex(const SpvVersion& spvVersion)
 
     if (spvVersion.openGl > 0)
         index = 1;
-    else if (spvVersion.vulkan > 0)
-        index = 2;
+    else if (spvVersion.vulkan > 0) {
+        if (!spvVersion.vulkanRelaxed)
+            index = 2;
+        else
+            index = 3;
+    }
 
     assert(index < SpvVersionCount);
 
@@ -723,6 +727,7 @@ void TranslateEnvironment(const TEnvironment* environment, EShMessages& messages
                 break;
             case EShClientVulkan:
                 spvVersion.vulkanGlsl = environment->input.dialectVersion;
+                spvVersion.vulkanRelaxed = environment->input.vulkanRulesRelaxed;
                 break;
             case EShClientOpenGL:
                 spvVersion.openGl = environment->input.dialectVersion;
@@ -949,6 +954,9 @@ bool ProcessDeferred(
     if (cachedTable)
         symbolTable->adoptLevels(*cachedTable);
 
+    if (intermediate.getUniqueId() != 0)
+        symbolTable->overwriteUniqueId(intermediate.getUniqueId());
+
     // Add built-in symbols that are potentially context dependent;
     // they get popped again further down.
     if (! AddContextSpecificSymbols(resources, compiler->infoSink, *symbolTable, version, profile, spvVersion,
@@ -1011,6 +1019,7 @@ bool ProcessDeferred(
     bool success = processingContext(*parseContext, ppContext, fullInput,
                                      versionWillBeError, *symbolTable,
                                      intermediate, optLevel, messages);
+    intermediate.setUniqueId(symbolTable->getMaxSymbolId());
     return success;
 }
 
@@ -1270,14 +1279,15 @@ bool PreprocessDeferred(
     EShMessages messages,       // warnings/errors/AST; things to print out
     TShader::Includer& includer,
     TIntermediate& intermediate, // returned tree, etc.
-    std::string* outputString)
+    std::string* outputString,
+    TEnvironment* environment = nullptr)
 {
     DoPreprocessing parser(outputString);
     return ProcessDeferred(compiler, shaderStrings, numStrings, inputLengths, stringNames,
                            preamble, optLevel, resources, defaultVersion,
                            defaultProfile, forceDefaultVersionAndProfile,
                            forwardCompatible, messages, intermediate, parser,
-                           false, includer);
+                           false, includer, "", environment);
 }
 #endif
 
@@ -1757,6 +1767,7 @@ TShader::TShader(EShLanguage s)
     // clear environment (avoid constructors in them for use in a C interface)
     environment.input.languageFamily = EShSourceNone;
     environment.input.dialect = EShClientNone;
+    environment.input.vulkanRulesRelaxed = false;
     environment.client.client = EShClientNone;
     environment.target.language = EShTargetNone;
     environment.target.hlslFunctionality1 = false;
@@ -1810,6 +1821,11 @@ void TShader::addProcesses(const std::vector<std::string>& p)
     intermediate->addProcesses(p);
 }
 
+void  TShader::setUniqueId(unsigned long long id)
+{
+    intermediate->setUniqueId(id);
+}
+
 void TShader::setInvertY(bool invert)                   { intermediate->setInvertY(invert); }
 void TShader::setNanMinMaxClamp(bool useNonNan)         { intermediate->setNanMinMaxClamp(useNonNan); }
 
@@ -1858,6 +1874,15 @@ void TShader::setResourceSetBinding(const std::vector<std::string>& base)   { in
 void TShader::setTextureSamplerTransformMode(EShTextureSamplerTransformMode mode) { intermediate->setTextureSamplerTransformMode(mode); }
 #endif
 
+void TShader::addBlockStorageOverride(const char* nameStr, TBlockStorageClass backing) { intermediate->addBlockStorageOverride(nameStr, backing); }
+
+void TShader::setGlobalUniformBlockName(const char* name) { intermediate->setGlobalUniformBlockName(name); }
+void TShader::setGlobalUniformSet(unsigned int set) { intermediate->setGlobalUniformSet(set); }
+void TShader::setGlobalUniformBinding(unsigned int binding) { intermediate->setGlobalUniformBinding(binding); }
+
+void TShader::setAtomicCounterBlockName(const char* name) { intermediate->setAtomicCounterBlockName(name); }
+void TShader::setAtomicCounterBlockSet(unsigned int set) { intermediate->setAtomicCounterBlockSet(set); }
+
 #ifdef ENABLE_HLSL
 // See comment above TDefaultHlslIoMapper in iomapper.cpp:
 void TShader::setHlslIoMapping(bool hlslIoMap)          { intermediate->setHlslIoMapping(hlslIoMap); }
@@ -1909,7 +1934,8 @@ bool TShader::preprocess(const TBuiltInResource* builtInResources,
     return PreprocessDeferred(compiler, strings, numStrings, lengths, stringNames, preamble,
                               EShOptNone, builtInResources, defaultVersion,
                               defaultProfile, forceDefaultVersionAndProfile,
-                              forwardCompatible, message, includer, *intermediate, output_string);
+                              forwardCompatible, message, includer, *intermediate, output_string,
+                              &environment);
 }
 #endif
 
@@ -1972,7 +1998,10 @@ bool TProgram::link(EShMessages messages)
             error = true;
     }
 
-    // TODO: Link: cross-stage error checking
+    if (!error) {
+        if (! crossStageCheck(messages))
+            error = true;
+    }
 
     return ! error;
 }
@@ -2016,7 +2045,7 @@ bool TProgram::linkStage(EShLanguage stage, EShMessages messages)
         intermediate[stage] = new TIntermediate(stage,
                                                 firstIntermediate->getVersion(),
                                                 firstIntermediate->getProfile());
-
+        intermediate[stage]->setLimits(firstIntermediate->getLimits());
 
         // The new TIntermediate must use the same origin as the original TIntermediates.
         // Otherwise linking will fail due to different coordinate systems.
@@ -2049,6 +2078,69 @@ bool TProgram::linkStage(EShLanguage stage, EShMessages messages)
     return intermediate[stage]->getNumErrors() == 0;
 }
 
+//
+// Check that there are no errors in linker objects accross stages
+//
+// Return true if no errors.
+//
+bool TProgram::crossStageCheck(EShMessages) {
+
+    // make temporary intermediates to hold the linkage symbols for each linking interface
+    // while we do the checks
+    // Independent interfaces are:
+    //                  all uniform variables and blocks
+    //                  all buffer blocks
+    //                  all in/out on a stage boundary
+
+    TVector<TIntermediate*> activeStages;
+    for (int s = 0; s < EShLangCount; ++s) {
+        if (intermediate[s])
+            activeStages.push_back(intermediate[s]);
+    }
+
+    // no extra linking if there is only one stage
+    if (! (activeStages.size() > 1))
+        return true;
+
+    // setup temporary tree to hold unfirom objects from different stages
+    TIntermediate* firstIntermediate = activeStages.front();
+    TIntermediate uniforms(EShLangCount,
+                           firstIntermediate->getVersion(),
+                           firstIntermediate->getProfile());
+    uniforms.setSpv(firstIntermediate->getSpv());
+
+    TIntermAggregate uniformObjects(EOpLinkerObjects);
+    TIntermAggregate root(EOpSequence);
+    root.getSequence().push_back(&uniformObjects);
+    uniforms.setTreeRoot(&root);
+
+    bool error = false;
+
+    // merge uniforms from all stages into a single intermediate
+    for (unsigned int i = 0; i < activeStages.size(); ++i) {
+        uniforms.mergeUniformObjects(*infoSink, *activeStages[i]);
+    }
+    error |= uniforms.getNumErrors() != 0;
+
+    // copy final definition of global block back into each stage
+    for (unsigned int i = 0; i < activeStages.size(); ++i) {
+        // We only want to merge into already existing global uniform blocks.
+        // A stage that doesn't already know about the global doesn't care about it's content.
+        // Otherwise we end up pointing to the same object between different stages
+        // and that will break binding/set remappings
+        bool mergeExistingOnly = true;
+        activeStages[i]->mergeGlobalUniformBlocks(*infoSink, uniforms, mergeExistingOnly);
+    }
+
+    // compare cross stage symbols for each stage boundary
+    for (unsigned int i = 1; i < activeStages.size(); ++i) {
+        activeStages[i - 1]->checkStageIO(*infoSink, *activeStages[i]);
+        error |= (activeStages[i - 1]->getNumErrors() != 0);
+    }
+
+    return !error;
+}
+
 const char* TProgram::getInfoLog()
 {
     return infoSink->info.c_str();

src/libraries/glslang/glslang/MachineIndependent/SymbolTable.cpp

@@ -85,6 +85,8 @@ void TType::buildMangledName(TString& mangledName) const
 #endif
         case EbtInt:   mangledName += "i"; break;
         case EbtUint:  mangledName += "u"; break;
+        case EbtInt64:   mangledName += "i64"; break;
+        case EbtUint64:  mangledName += "u64"; break;
         default: break; // some compilers want this
         }
         if (sampler.isImageClass())
@@ -146,6 +148,8 @@ void TType::buildMangledName(TString& mangledName) const
         if (typeName)
             mangledName += *typeName;
         for (unsigned int i = 0; i < structure->size(); ++i) {
+            if ((*structure)[i].type->getBasicType() == EbtVoid)
+                continue;
             mangledName += '-';
             (*structure)[i].type->buildMangledName(mangledName);
         }
@@ -166,7 +170,7 @@ void TType::buildMangledName(TString& mangledName) const
         for (int i = 0; i < arraySizes->getNumDims(); ++i) {
             if (arraySizes->getDimNode(i)) {
                 if (arraySizes->getDimNode(i)->getAsSymbolNode())
-                    snprintf(buf, maxSize, "s%d", arraySizes->getDimNode(i)->getAsSymbolNode()->getId());
+                    snprintf(buf, maxSize, "s%lld", arraySizes->getDimNode(i)->getAsSymbolNode()->getId());
                 else
                     snprintf(buf, maxSize, "s%p", arraySizes->getDimNode(i));
             } else

src/libraries/glslang/glslang/MachineIndependent/SymbolTable.h

@@ -104,8 +104,8 @@ public:
     virtual const TAnonMember* getAsAnonMember() const { return 0; }
     virtual const TType& getType() const = 0;
     virtual TType& getWritableType() = 0;
-    virtual void setUniqueId(int id) { uniqueId = id; }
-    virtual int getUniqueId() const { return uniqueId; }
+    virtual void setUniqueId(long long id) { uniqueId = id; }
+    virtual long long getUniqueId() const { return uniqueId; }
     virtual void setExtensions(int numExts, const char* const exts[])
     {
         assert(extensions == 0);
@@ -130,7 +130,7 @@ protected:
     TSymbol& operator=(const TSymbol&);
 
     const TString *name;
-    unsigned int uniqueId;      // For cross-scope comparing during code generation
+    unsigned long long uniqueId;      // For cross-scope comparing during code generation
 
     // For tracking what extensions must be present
     // (don't use if correct version/profile is present).
@@ -612,21 +612,28 @@ public:
     //   3: user-shader globals
     //
 protected:
+    static const uint32_t LevelFlagBitOffset = 56;
     static const int globalLevel = 3;
-    bool isSharedLevel(int level)  { return level <= 1; }              // exclude all per-compile levels
-    bool isBuiltInLevel(int level) { return level <= 2; }              // exclude user globals
-    bool isGlobalLevel(int level)  { return level <= globalLevel; }    // include user globals
+    static bool isSharedLevel(int level)  { return level <= 1; }            // exclude all per-compile levels
+    static bool isBuiltInLevel(int level) { return level <= 2; }            // exclude user globals
+    static bool isGlobalLevel(int level)  { return level <= globalLevel; }  // include user globals
 public:
     bool isEmpty() { return table.size() == 0; }
     bool atBuiltInLevel() { return isBuiltInLevel(currentLevel()); }
     bool atGlobalLevel()  { return isGlobalLevel(currentLevel()); }
-
+    static bool isBuiltInSymbol(long long uniqueId) {
+        int level = static_cast<int>(uniqueId >> LevelFlagBitOffset);
+        return isBuiltInLevel(level);
+    }
+    static constexpr uint64_t uniqueIdMask = (1LL << LevelFlagBitOffset) - 1;
+    static const uint32_t MaxLevelInUniqueID = 127;
     void setNoBuiltInRedeclarations() { noBuiltInRedeclarations = true; }
     void setSeparateNameSpaces() { separateNameSpaces = true; }
 
     void push()
     {
         table.push_back(new TSymbolTableLevel);
+        updateUniqueIdLevelFlag();
     }
 
     // Make a new symbol-table level to represent the scope introduced by a structure
@@ -639,6 +646,7 @@ public:
     {
         assert(thisSymbol.getName().size() == 0);
         table.push_back(new TSymbolTableLevel);
+        updateUniqueIdLevelFlag();
         table.back()->setThisLevel();
         insert(thisSymbol);
     }
@@ -648,6 +656,7 @@ public:
         table[currentLevel()]->getPreviousDefaultPrecisions(p);
         delete table.back();
         table.pop_back();
+        updateUniqueIdLevelFlag();
     }
 
     //
@@ -685,6 +694,16 @@ public:
         return table[currentLevel()]->amend(symbol, firstNewMember);
     }
 
+    // Update the level info in symbol's unique ID to current level
+    void amendSymbolIdLevel(TSymbol& symbol)
+    {
+        // clamp level to avoid overflow
+        uint64_t level = (uint32_t)currentLevel() > MaxLevelInUniqueID ? MaxLevelInUniqueID : currentLevel();
+        uint64_t symbolId = symbol.getUniqueId();
+        symbolId &= uniqueIdMask;
+        symbolId |= (level << LevelFlagBitOffset);
+        symbol.setUniqueId(symbolId);
+    }
     //
     // To allocate an internal temporary, which will need to be uniquely
     // identified by the consumer of the AST, but never need to
@@ -853,7 +872,7 @@ public:
         }
     }
 
-    int getMaxSymbolId() { return uniqueId; }
+    long long getMaxSymbolId() { return uniqueId; }
 #if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     void dump(TInfoSink& infoSink, bool complete = false) const;
 #endif
@@ -867,14 +886,27 @@ public:
             table[level]->readOnly();
     }
 
+    // Add current level in the high-bits of unique id
+    void updateUniqueIdLevelFlag() {
+        // clamp level to avoid overflow
+        uint64_t level = (uint32_t)currentLevel() > MaxLevelInUniqueID ? MaxLevelInUniqueID : currentLevel();
+        uniqueId &= uniqueIdMask;
+        uniqueId |= (level << LevelFlagBitOffset);
+    }
+
+    void overwriteUniqueId(long long id)
+    {
+        uniqueId = id;
+        updateUniqueIdLevelFlag();
+    }
+
 protected:
     TSymbolTable(TSymbolTable&);
     TSymbolTable& operator=(TSymbolTableLevel&);
 
     int currentLevel() const { return static_cast<int>(table.size()) - 1; }
-
     std::vector<TSymbolTableLevel*> table;
-    int uniqueId;     // for unique identification in code generation
+    long long uniqueId;     // for unique identification in code generation
     bool noBuiltInRedeclarations;
     bool separateNameSpaces;
     unsigned int adoptedLevels;

src/libraries/glslang/glslang/MachineIndependent/Versions.cpp

@@ -306,6 +306,7 @@ void TParseVersions::initializeExtensionBehavior()
     extensionBehavior[E_GL_EXT_tessellation_point_size]              = EBhDisable;
     extensionBehavior[E_GL_EXT_texture_buffer]                       = EBhDisable;
     extensionBehavior[E_GL_EXT_texture_cube_map_array]               = EBhDisable;
+    extensionBehavior[E_GL_EXT_null_initializer]                     = EBhDisable;
 
     // OES matching AEP
     extensionBehavior[E_GL_OES_geometry_shader]          = EBhDisable;
@@ -328,6 +329,10 @@ void TParseVersions::initializeExtensionBehavior()
     extensionBehavior[E_GL_EXT_ray_flags_primitive_culling] = EBhDisable;
     extensionBehavior[E_GL_EXT_blend_func_extended]         = EBhDisable;
     extensionBehavior[E_GL_EXT_shader_implicit_conversions] = EBhDisable;
+    extensionBehavior[E_GL_EXT_fragment_shading_rate]       = EBhDisable;
+    extensionBehavior[E_GL_EXT_shader_image_int64]   = EBhDisable;
+    extensionBehavior[E_GL_EXT_terminate_invocation]        = EBhDisable;
+    extensionBehavior[E_GL_EXT_shared_memory_block]         = EBhDisable;
 
     // OVR extensions
     extensionBehavior[E_GL_OVR_multiview]                = EBhDisable;
@@ -373,6 +378,7 @@ void TParseVersions::getPreamble(std::string& preamble)
             "#define GL_EXT_YUV_target 1\n"
             "#define GL_EXT_shader_texture_lod 1\n"
             "#define GL_EXT_shadow_samplers 1\n"
+            "#define GL_EXT_fragment_shading_rate 1\n"
 
             // AEP
             "#define GL_ANDROID_extension_pack_es31a 1\n"
@@ -406,11 +412,14 @@ void TParseVersions::getPreamble(std::string& preamble)
             "#define GL_EXT_shader_non_constant_global_initializers 1\n"
             ;
 
-            if (isEsProfile() && version >= 300) {
+            if (version >= 300) {
                 preamble += "#define GL_NV_shader_noperspective_interpolation 1\n";
             }
+            if (version >= 310) {
+                preamble += "#define GL_EXT_null_initializer 1\n";
+            }
 
-    } else {
+    } else { // !isEsProfile()
         preamble =
             "#define GL_FRAGMENT_PRECISION_HIGH 1\n"
             "#define GL_EXT_texture_array 1\n"
@@ -466,6 +475,8 @@ void TParseVersions::getPreamble(std::string& preamble)
             "#define GL_EXT_buffer_reference_uvec2 1\n"
             "#define GL_EXT_demote_to_helper_invocation 1\n"
             "#define GL_EXT_debug_printf 1\n"
+            "#define GL_EXT_fragment_shading_rate 1\n"
+            "#define GL_EXT_shared_memory_block 1\n"
 
             // GL_KHR_shader_subgroup
             "#define GL_KHR_shader_subgroup_basic 1\n"
@@ -477,6 +488,7 @@ void TParseVersions::getPreamble(std::string& preamble)
             "#define GL_KHR_shader_subgroup_clustered 1\n"
             "#define GL_KHR_shader_subgroup_quad 1\n"
 
+            "#define GL_EXT_shader_image_int64 1\n"
             "#define GL_EXT_shader_atomic_int64 1\n"
             "#define GL_EXT_shader_realtime_clock 1\n"
             "#define GL_EXT_ray_tracing 1\n"
@@ -535,6 +547,9 @@ void TParseVersions::getPreamble(std::string& preamble)
             if (profile == ECompatibilityProfile)
                 preamble += "#define GL_compatibility_profile 1\n";
         }
+        if (version >= 140) {
+            preamble += "#define GL_EXT_null_initializer 1\n";
+        }
 #endif // GLSLANG_WEB
     }
 
@@ -561,6 +576,11 @@ void TParseVersions::getPreamble(std::string& preamble)
             "#define GL_GOOGLE_include_directive 1\n"
             "#define GL_KHR_blend_equation_advanced 1\n"
             ;
+
+    // other general extensions
+    preamble +=
+            "#define GL_EXT_terminate_invocation 1\n"
+            ;
 #endif
 
     // #define VULKAN XXXX
@@ -1256,7 +1276,7 @@ void TParseVersions::spvRemoved(const TSourceLoc& loc, const char* op)
 // Call for any operation removed because Vulkan SPIR-V is being generated.
 void TParseVersions::vulkanRemoved(const TSourceLoc& loc, const char* op)
 {
-    if (spvVersion.vulkan > 0)
+    if (spvVersion.vulkan > 0 && !spvVersion.vulkanRelaxed)
         error(loc, "not allowed when using GLSL for Vulkan", op, "");
 }
 

src/libraries/glslang/glslang/MachineIndependent/Versions.h

@@ -87,11 +87,12 @@ inline const char* ProfileName(EProfile profile)
 // The union of all requested rule sets will be applied.
 //
 struct SpvVersion {
-    SpvVersion() : spv(0), vulkanGlsl(0), vulkan(0), openGl(0) {}
+    SpvVersion() : spv(0), vulkanGlsl(0), vulkan(0), openGl(0), vulkanRelaxed(false) {}
     unsigned int spv; // the version of SPIR-V to target, as defined by "word 1" of the SPIR-V binary header
     int vulkanGlsl;   // the version of GLSL semantics for Vulkan, from GL_KHR_vulkan_glsl, for "#define VULKAN XXX"
     int vulkan;       // the version of Vulkan, for which SPIR-V execution environment rules to use
     int openGl;       // the version of GLSL semantics for OpenGL, from GL_ARB_gl_spirv, for "#define GL_SPIRV XXX"
+    bool vulkanRelaxed; // relax changes to GLSL for Vulkan, allowing some GL-specific to be compiled to Vulkan SPIR-V target
 };
 
 //
@@ -200,6 +201,10 @@ const char* const E_GL_EXT_ray_query                        = "GL_EXT_ray_query"
 const char* const E_GL_EXT_ray_flags_primitive_culling      = "GL_EXT_ray_flags_primitive_culling";
 const char* const E_GL_EXT_blend_func_extended              = "GL_EXT_blend_func_extended";
 const char* const E_GL_EXT_shader_implicit_conversions      = "GL_EXT_shader_implicit_conversions";
+const char* const E_GL_EXT_fragment_shading_rate            = "GL_EXT_fragment_shading_rate";
+const char* const E_GL_EXT_shader_image_int64               = "GL_EXT_shader_image_int64";
+const char* const E_GL_EXT_null_initializer                 = "GL_EXT_null_initializer";
+const char* const E_GL_EXT_shared_memory_block              = "GL_EXT_shared_memory_block";
 
 // Arrays of extensions for the above viewportEXTs duplications
 
@@ -298,6 +303,7 @@ const char* const E_GL_EXT_shader_subgroup_extended_types_int8    = "GL_EXT_shad
 const char* const E_GL_EXT_shader_subgroup_extended_types_int16   = "GL_EXT_shader_subgroup_extended_types_int16";
 const char* const E_GL_EXT_shader_subgroup_extended_types_int64   = "GL_EXT_shader_subgroup_extended_types_int64";
 const char* const E_GL_EXT_shader_subgroup_extended_types_float16 = "GL_EXT_shader_subgroup_extended_types_float16";
+const char* const E_GL_EXT_terminate_invocation = "GL_EXT_terminate_invocation";
 
 const char* const E_GL_EXT_shader_atomic_float = "GL_EXT_shader_atomic_float";
 

src/libraries/glslang/glslang/MachineIndependent/gl_types.h

@@ -49,9 +49,9 @@
 #define GL_INT64_VEC4_ARB                 0x8FEB
 
 #define GL_UNSIGNED_INT64_ARB             0x140F
-#define GL_UNSIGNED_INT64_VEC2_ARB        0x8FE5
-#define GL_UNSIGNED_INT64_VEC3_ARB        0x8FE6
-#define GL_UNSIGNED_INT64_VEC4_ARB        0x8FE7
+#define GL_UNSIGNED_INT64_VEC2_ARB        0x8FF5
+#define GL_UNSIGNED_INT64_VEC3_ARB        0x8FF6
+#define GL_UNSIGNED_INT64_VEC4_ARB        0x8FF7
 #define GL_UNSIGNED_INT16_VEC2_NV         0x8FF1
 #define GL_UNSIGNED_INT16_VEC3_NV         0x8FF2
 #define GL_UNSIGNED_INT16_VEC4_NV         0x8FF3

src/libraries/glslang/glslang/MachineIndependent/glslang_tab.cpp.h

@@ -1,8 +1,9 @@
-/* A Bison parser, made by GNU Bison 3.0.4.  */
+/* A Bison parser, made by GNU Bison 3.7.4.  */
 
 /* Bison interface for Yacc-like parsers in C
 
-   Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc.
+   Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2020 Free Software Foundation,
+   Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -30,6 +31,10 @@
    This special exception was added by the Free Software Foundation in
    version 2.2 of Bison.  */
 
+/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual,
+   especially those whose name start with YY_ or yy_.  They are
+   private implementation details that can be changed or removed.  */
+
 #ifndef YY_YY_MACHINEINDEPENDENT_GLSLANG_TAB_CPP_H_INCLUDED
 # define YY_YY_MACHINEINDEPENDENT_GLSLANG_TAB_CPP_H_INCLUDED
 /* Debug traces.  */
@@ -40,437 +45,466 @@
 extern int yydebug;
 #endif
 
-/* Token type.  */
+/* Token kinds.  */
 #ifndef YYTOKENTYPE
 # define YYTOKENTYPE
   enum yytokentype
   {
-    CONST = 258,
-    BOOL = 259,
-    INT = 260,
-    UINT = 261,
-    FLOAT = 262,
-    BVEC2 = 263,
-    BVEC3 = 264,
-    BVEC4 = 265,
-    IVEC2 = 266,
-    IVEC3 = 267,
-    IVEC4 = 268,
-    UVEC2 = 269,
-    UVEC3 = 270,
-    UVEC4 = 271,
-    VEC2 = 272,
-    VEC3 = 273,
-    VEC4 = 274,
-    MAT2 = 275,
-    MAT3 = 276,
-    MAT4 = 277,
-    MAT2X2 = 278,
-    MAT2X3 = 279,
-    MAT2X4 = 280,
-    MAT3X2 = 281,
-    MAT3X3 = 282,
-    MAT3X4 = 283,
-    MAT4X2 = 284,
-    MAT4X3 = 285,
-    MAT4X4 = 286,
-    SAMPLER2D = 287,
-    SAMPLER3D = 288,
-    SAMPLERCUBE = 289,
-    SAMPLER2DSHADOW = 290,
-    SAMPLERCUBESHADOW = 291,
-    SAMPLER2DARRAY = 292,
-    SAMPLER2DARRAYSHADOW = 293,
-    ISAMPLER2D = 294,
-    ISAMPLER3D = 295,
-    ISAMPLERCUBE = 296,
-    ISAMPLER2DARRAY = 297,
-    USAMPLER2D = 298,
-    USAMPLER3D = 299,
-    USAMPLERCUBE = 300,
-    USAMPLER2DARRAY = 301,
-    SAMPLER = 302,
-    SAMPLERSHADOW = 303,
-    TEXTURE2D = 304,
-    TEXTURE3D = 305,
-    TEXTURECUBE = 306,
-    TEXTURE2DARRAY = 307,
-    ITEXTURE2D = 308,
-    ITEXTURE3D = 309,
-    ITEXTURECUBE = 310,
-    ITEXTURE2DARRAY = 311,
-    UTEXTURE2D = 312,
-    UTEXTURE3D = 313,
-    UTEXTURECUBE = 314,
-    UTEXTURE2DARRAY = 315,
-    ATTRIBUTE = 316,
-    VARYING = 317,
-    FLOAT16_T = 318,
-    FLOAT32_T = 319,
-    DOUBLE = 320,
-    FLOAT64_T = 321,
-    INT64_T = 322,
-    UINT64_T = 323,
-    INT32_T = 324,
-    UINT32_T = 325,
-    INT16_T = 326,
-    UINT16_T = 327,
-    INT8_T = 328,
-    UINT8_T = 329,
-    I64VEC2 = 330,
-    I64VEC3 = 331,
-    I64VEC4 = 332,
-    U64VEC2 = 333,
-    U64VEC3 = 334,
-    U64VEC4 = 335,
-    I32VEC2 = 336,
-    I32VEC3 = 337,
-    I32VEC4 = 338,
-    U32VEC2 = 339,
-    U32VEC3 = 340,
-    U32VEC4 = 341,
-    I16VEC2 = 342,
-    I16VEC3 = 343,
-    I16VEC4 = 344,
-    U16VEC2 = 345,
-    U16VEC3 = 346,
-    U16VEC4 = 347,
-    I8VEC2 = 348,
-    I8VEC3 = 349,
-    I8VEC4 = 350,
-    U8VEC2 = 351,
-    U8VEC3 = 352,
-    U8VEC4 = 353,
-    DVEC2 = 354,
-    DVEC3 = 355,
-    DVEC4 = 356,
-    DMAT2 = 357,
-    DMAT3 = 358,
-    DMAT4 = 359,
-    F16VEC2 = 360,
-    F16VEC3 = 361,
-    F16VEC4 = 362,
-    F16MAT2 = 363,
-    F16MAT3 = 364,
-    F16MAT4 = 365,
-    F32VEC2 = 366,
-    F32VEC3 = 367,
-    F32VEC4 = 368,
-    F32MAT2 = 369,
-    F32MAT3 = 370,
-    F32MAT4 = 371,
-    F64VEC2 = 372,
-    F64VEC3 = 373,
-    F64VEC4 = 374,
-    F64MAT2 = 375,
-    F64MAT3 = 376,
-    F64MAT4 = 377,
-    DMAT2X2 = 378,
-    DMAT2X3 = 379,
-    DMAT2X4 = 380,
-    DMAT3X2 = 381,
-    DMAT3X3 = 382,
-    DMAT3X4 = 383,
-    DMAT4X2 = 384,
-    DMAT4X3 = 385,
-    DMAT4X4 = 386,
-    F16MAT2X2 = 387,
-    F16MAT2X3 = 388,
-    F16MAT2X4 = 389,
-    F16MAT3X2 = 390,
-    F16MAT3X3 = 391,
-    F16MAT3X4 = 392,
-    F16MAT4X2 = 393,
-    F16MAT4X3 = 394,
-    F16MAT4X4 = 395,
-    F32MAT2X2 = 396,
-    F32MAT2X3 = 397,
-    F32MAT2X4 = 398,
-    F32MAT3X2 = 399,
-    F32MAT3X3 = 400,
-    F32MAT3X4 = 401,
-    F32MAT4X2 = 402,
-    F32MAT4X3 = 403,
-    F32MAT4X4 = 404,
-    F64MAT2X2 = 405,
-    F64MAT2X3 = 406,
-    F64MAT2X4 = 407,
-    F64MAT3X2 = 408,
-    F64MAT3X3 = 409,
-    F64MAT3X4 = 410,
-    F64MAT4X2 = 411,
-    F64MAT4X3 = 412,
-    F64MAT4X4 = 413,
-    ATOMIC_UINT = 414,
-    ACCSTRUCTNV = 415,
-    ACCSTRUCTEXT = 416,
-    RAYQUERYEXT = 417,
-    FCOOPMATNV = 418,
-    ICOOPMATNV = 419,
-    UCOOPMATNV = 420,
-    SAMPLERCUBEARRAY = 421,
-    SAMPLERCUBEARRAYSHADOW = 422,
-    ISAMPLERCUBEARRAY = 423,
-    USAMPLERCUBEARRAY = 424,
-    SAMPLER1D = 425,
-    SAMPLER1DARRAY = 426,
-    SAMPLER1DARRAYSHADOW = 427,
-    ISAMPLER1D = 428,
-    SAMPLER1DSHADOW = 429,
-    SAMPLER2DRECT = 430,
-    SAMPLER2DRECTSHADOW = 431,
-    ISAMPLER2DRECT = 432,
-    USAMPLER2DRECT = 433,
-    SAMPLERBUFFER = 434,
-    ISAMPLERBUFFER = 435,
-    USAMPLERBUFFER = 436,
-    SAMPLER2DMS = 437,
-    ISAMPLER2DMS = 438,
-    USAMPLER2DMS = 439,
-    SAMPLER2DMSARRAY = 440,
-    ISAMPLER2DMSARRAY = 441,
-    USAMPLER2DMSARRAY = 442,
-    SAMPLEREXTERNALOES = 443,
-    SAMPLEREXTERNAL2DY2YEXT = 444,
-    ISAMPLER1DARRAY = 445,
-    USAMPLER1D = 446,
-    USAMPLER1DARRAY = 447,
-    F16SAMPLER1D = 448,
-    F16SAMPLER2D = 449,
-    F16SAMPLER3D = 450,
-    F16SAMPLER2DRECT = 451,
-    F16SAMPLERCUBE = 452,
-    F16SAMPLER1DARRAY = 453,
-    F16SAMPLER2DARRAY = 454,
-    F16SAMPLERCUBEARRAY = 455,
-    F16SAMPLERBUFFER = 456,
-    F16SAMPLER2DMS = 457,
-    F16SAMPLER2DMSARRAY = 458,
-    F16SAMPLER1DSHADOW = 459,
-    F16SAMPLER2DSHADOW = 460,
-    F16SAMPLER1DARRAYSHADOW = 461,
-    F16SAMPLER2DARRAYSHADOW = 462,
-    F16SAMPLER2DRECTSHADOW = 463,
-    F16SAMPLERCUBESHADOW = 464,
-    F16SAMPLERCUBEARRAYSHADOW = 465,
-    IMAGE1D = 466,
-    IIMAGE1D = 467,
-    UIMAGE1D = 468,
-    IMAGE2D = 469,
-    IIMAGE2D = 470,
-    UIMAGE2D = 471,
-    IMAGE3D = 472,
-    IIMAGE3D = 473,
-    UIMAGE3D = 474,
-    IMAGE2DRECT = 475,
-    IIMAGE2DRECT = 476,
-    UIMAGE2DRECT = 477,
-    IMAGECUBE = 478,
-    IIMAGECUBE = 479,
-    UIMAGECUBE = 480,
-    IMAGEBUFFER = 481,
-    IIMAGEBUFFER = 482,
-    UIMAGEBUFFER = 483,
-    IMAGE1DARRAY = 484,
-    IIMAGE1DARRAY = 485,
-    UIMAGE1DARRAY = 486,
-    IMAGE2DARRAY = 487,
-    IIMAGE2DARRAY = 488,
-    UIMAGE2DARRAY = 489,
-    IMAGECUBEARRAY = 490,
-    IIMAGECUBEARRAY = 491,
-    UIMAGECUBEARRAY = 492,
-    IMAGE2DMS = 493,
-    IIMAGE2DMS = 494,
-    UIMAGE2DMS = 495,
-    IMAGE2DMSARRAY = 496,
-    IIMAGE2DMSARRAY = 497,
-    UIMAGE2DMSARRAY = 498,
-    F16IMAGE1D = 499,
-    F16IMAGE2D = 500,
-    F16IMAGE3D = 501,
-    F16IMAGE2DRECT = 502,
-    F16IMAGECUBE = 503,
-    F16IMAGE1DARRAY = 504,
-    F16IMAGE2DARRAY = 505,
-    F16IMAGECUBEARRAY = 506,
-    F16IMAGEBUFFER = 507,
-    F16IMAGE2DMS = 508,
-    F16IMAGE2DMSARRAY = 509,
-    TEXTURECUBEARRAY = 510,
-    ITEXTURECUBEARRAY = 511,
-    UTEXTURECUBEARRAY = 512,
-    TEXTURE1D = 513,
-    ITEXTURE1D = 514,
-    UTEXTURE1D = 515,
-    TEXTURE1DARRAY = 516,
-    ITEXTURE1DARRAY = 517,
-    UTEXTURE1DARRAY = 518,
-    TEXTURE2DRECT = 519,
-    ITEXTURE2DRECT = 520,
-    UTEXTURE2DRECT = 521,
-    TEXTUREBUFFER = 522,
-    ITEXTUREBUFFER = 523,
-    UTEXTUREBUFFER = 524,
-    TEXTURE2DMS = 525,
-    ITEXTURE2DMS = 526,
-    UTEXTURE2DMS = 527,
-    TEXTURE2DMSARRAY = 528,
-    ITEXTURE2DMSARRAY = 529,
-    UTEXTURE2DMSARRAY = 530,
-    F16TEXTURE1D = 531,
-    F16TEXTURE2D = 532,
-    F16TEXTURE3D = 533,
-    F16TEXTURE2DRECT = 534,
-    F16TEXTURECUBE = 535,
-    F16TEXTURE1DARRAY = 536,
-    F16TEXTURE2DARRAY = 537,
-    F16TEXTURECUBEARRAY = 538,
-    F16TEXTUREBUFFER = 539,
-    F16TEXTURE2DMS = 540,
-    F16TEXTURE2DMSARRAY = 541,
-    SUBPASSINPUT = 542,
-    SUBPASSINPUTMS = 543,
-    ISUBPASSINPUT = 544,
-    ISUBPASSINPUTMS = 545,
-    USUBPASSINPUT = 546,
-    USUBPASSINPUTMS = 547,
-    F16SUBPASSINPUT = 548,
-    F16SUBPASSINPUTMS = 549,
-    LEFT_OP = 550,
-    RIGHT_OP = 551,
-    INC_OP = 552,
-    DEC_OP = 553,
-    LE_OP = 554,
-    GE_OP = 555,
-    EQ_OP = 556,
-    NE_OP = 557,
-    AND_OP = 558,
-    OR_OP = 559,
-    XOR_OP = 560,
-    MUL_ASSIGN = 561,
-    DIV_ASSIGN = 562,
-    ADD_ASSIGN = 563,
-    MOD_ASSIGN = 564,
-    LEFT_ASSIGN = 565,
-    RIGHT_ASSIGN = 566,
-    AND_ASSIGN = 567,
-    XOR_ASSIGN = 568,
-    OR_ASSIGN = 569,
-    SUB_ASSIGN = 570,
-    STRING_LITERAL = 571,
-    LEFT_PAREN = 572,
-    RIGHT_PAREN = 573,
-    LEFT_BRACKET = 574,
-    RIGHT_BRACKET = 575,
-    LEFT_BRACE = 576,
-    RIGHT_BRACE = 577,
-    DOT = 578,
-    COMMA = 579,
-    COLON = 580,
-    EQUAL = 581,
-    SEMICOLON = 582,
-    BANG = 583,
-    DASH = 584,
-    TILDE = 585,
-    PLUS = 586,
-    STAR = 587,
-    SLASH = 588,
-    PERCENT = 589,
-    LEFT_ANGLE = 590,
-    RIGHT_ANGLE = 591,
-    VERTICAL_BAR = 592,
-    CARET = 593,
-    AMPERSAND = 594,
-    QUESTION = 595,
-    INVARIANT = 596,
-    HIGH_PRECISION = 597,
-    MEDIUM_PRECISION = 598,
-    LOW_PRECISION = 599,
-    PRECISION = 600,
-    PACKED = 601,
-    RESOURCE = 602,
-    SUPERP = 603,
-    FLOATCONSTANT = 604,
-    INTCONSTANT = 605,
-    UINTCONSTANT = 606,
-    BOOLCONSTANT = 607,
-    IDENTIFIER = 608,
-    TYPE_NAME = 609,
-    CENTROID = 610,
-    IN = 611,
-    OUT = 612,
-    INOUT = 613,
-    STRUCT = 614,
-    VOID = 615,
-    WHILE = 616,
-    BREAK = 617,
-    CONTINUE = 618,
-    DO = 619,
-    ELSE = 620,
-    FOR = 621,
-    IF = 622,
-    DISCARD = 623,
-    RETURN = 624,
-    SWITCH = 625,
-    CASE = 626,
-    DEFAULT = 627,
-    UNIFORM = 628,
-    SHARED = 629,
-    BUFFER = 630,
-    FLAT = 631,
-    SMOOTH = 632,
-    LAYOUT = 633,
-    DOUBLECONSTANT = 634,
-    INT16CONSTANT = 635,
-    UINT16CONSTANT = 636,
-    FLOAT16CONSTANT = 637,
-    INT32CONSTANT = 638,
-    UINT32CONSTANT = 639,
-    INT64CONSTANT = 640,
-    UINT64CONSTANT = 641,
-    SUBROUTINE = 642,
-    DEMOTE = 643,
-    PAYLOADNV = 644,
-    PAYLOADINNV = 645,
-    HITATTRNV = 646,
-    CALLDATANV = 647,
-    CALLDATAINNV = 648,
-    PAYLOADEXT = 649,
-    PAYLOADINEXT = 650,
-    HITATTREXT = 651,
-    CALLDATAEXT = 652,
-    CALLDATAINEXT = 653,
-    PATCH = 654,
-    SAMPLE = 655,
-    NONUNIFORM = 656,
-    COHERENT = 657,
-    VOLATILE = 658,
-    RESTRICT = 659,
-    READONLY = 660,
-    WRITEONLY = 661,
-    DEVICECOHERENT = 662,
-    QUEUEFAMILYCOHERENT = 663,
-    WORKGROUPCOHERENT = 664,
-    SUBGROUPCOHERENT = 665,
-    NONPRIVATE = 666,
-    SHADERCALLCOHERENT = 667,
-    NOPERSPECTIVE = 668,
-    EXPLICITINTERPAMD = 669,
-    PERVERTEXNV = 670,
-    PERPRIMITIVENV = 671,
-    PERVIEWNV = 672,
-    PERTASKNV = 673,
-    PRECISE = 674
+    YYEMPTY = -2,
+    YYEOF = 0,                     /* "end of file"  */
+    YYerror = 256,                 /* error  */
+    YYUNDEF = 257,                 /* "invalid token"  */
+    CONST = 258,                   /* CONST  */
+    BOOL = 259,                    /* BOOL  */
+    INT = 260,                     /* INT  */
+    UINT = 261,                    /* UINT  */
+    FLOAT = 262,                   /* FLOAT  */
+    BVEC2 = 263,                   /* BVEC2  */
+    BVEC3 = 264,                   /* BVEC3  */
+    BVEC4 = 265,                   /* BVEC4  */
+    IVEC2 = 266,                   /* IVEC2  */
+    IVEC3 = 267,                   /* IVEC3  */
+    IVEC4 = 268,                   /* IVEC4  */
+    UVEC2 = 269,                   /* UVEC2  */
+    UVEC3 = 270,                   /* UVEC3  */
+    UVEC4 = 271,                   /* UVEC4  */
+    VEC2 = 272,                    /* VEC2  */
+    VEC3 = 273,                    /* VEC3  */
+    VEC4 = 274,                    /* VEC4  */
+    MAT2 = 275,                    /* MAT2  */
+    MAT3 = 276,                    /* MAT3  */
+    MAT4 = 277,                    /* MAT4  */
+    MAT2X2 = 278,                  /* MAT2X2  */
+    MAT2X3 = 279,                  /* MAT2X3  */
+    MAT2X4 = 280,                  /* MAT2X4  */
+    MAT3X2 = 281,                  /* MAT3X2  */
+    MAT3X3 = 282,                  /* MAT3X3  */
+    MAT3X4 = 283,                  /* MAT3X4  */
+    MAT4X2 = 284,                  /* MAT4X2  */
+    MAT4X3 = 285,                  /* MAT4X3  */
+    MAT4X4 = 286,                  /* MAT4X4  */
+    SAMPLER2D = 287,               /* SAMPLER2D  */
+    SAMPLER3D = 288,               /* SAMPLER3D  */
+    SAMPLERCUBE = 289,             /* SAMPLERCUBE  */
+    SAMPLER2DSHADOW = 290,         /* SAMPLER2DSHADOW  */
+    SAMPLERCUBESHADOW = 291,       /* SAMPLERCUBESHADOW  */
+    SAMPLER2DARRAY = 292,          /* SAMPLER2DARRAY  */
+    SAMPLER2DARRAYSHADOW = 293,    /* SAMPLER2DARRAYSHADOW  */
+    ISAMPLER2D = 294,              /* ISAMPLER2D  */
+    ISAMPLER3D = 295,              /* ISAMPLER3D  */
+    ISAMPLERCUBE = 296,            /* ISAMPLERCUBE  */
+    ISAMPLER2DARRAY = 297,         /* ISAMPLER2DARRAY  */
+    USAMPLER2D = 298,              /* USAMPLER2D  */
+    USAMPLER3D = 299,              /* USAMPLER3D  */
+    USAMPLERCUBE = 300,            /* USAMPLERCUBE  */
+    USAMPLER2DARRAY = 301,         /* USAMPLER2DARRAY  */
+    SAMPLER = 302,                 /* SAMPLER  */
+    SAMPLERSHADOW = 303,           /* SAMPLERSHADOW  */
+    TEXTURE2D = 304,               /* TEXTURE2D  */
+    TEXTURE3D = 305,               /* TEXTURE3D  */
+    TEXTURECUBE = 306,             /* TEXTURECUBE  */
+    TEXTURE2DARRAY = 307,          /* TEXTURE2DARRAY  */
+    ITEXTURE2D = 308,              /* ITEXTURE2D  */
+    ITEXTURE3D = 309,              /* ITEXTURE3D  */
+    ITEXTURECUBE = 310,            /* ITEXTURECUBE  */
+    ITEXTURE2DARRAY = 311,         /* ITEXTURE2DARRAY  */
+    UTEXTURE2D = 312,              /* UTEXTURE2D  */
+    UTEXTURE3D = 313,              /* UTEXTURE3D  */
+    UTEXTURECUBE = 314,            /* UTEXTURECUBE  */
+    UTEXTURE2DARRAY = 315,         /* UTEXTURE2DARRAY  */
+    ATTRIBUTE = 316,               /* ATTRIBUTE  */
+    VARYING = 317,                 /* VARYING  */
+    FLOAT16_T = 318,               /* FLOAT16_T  */
+    FLOAT32_T = 319,               /* FLOAT32_T  */
+    DOUBLE = 320,                  /* DOUBLE  */
+    FLOAT64_T = 321,               /* FLOAT64_T  */
+    INT64_T = 322,                 /* INT64_T  */
+    UINT64_T = 323,                /* UINT64_T  */
+    INT32_T = 324,                 /* INT32_T  */
+    UINT32_T = 325,                /* UINT32_T  */
+    INT16_T = 326,                 /* INT16_T  */
+    UINT16_T = 327,                /* UINT16_T  */
+    INT8_T = 328,                  /* INT8_T  */
+    UINT8_T = 329,                 /* UINT8_T  */
+    I64VEC2 = 330,                 /* I64VEC2  */
+    I64VEC3 = 331,                 /* I64VEC3  */
+    I64VEC4 = 332,                 /* I64VEC4  */
+    U64VEC2 = 333,                 /* U64VEC2  */
+    U64VEC3 = 334,                 /* U64VEC3  */
+    U64VEC4 = 335,                 /* U64VEC4  */
+    I32VEC2 = 336,                 /* I32VEC2  */
+    I32VEC3 = 337,                 /* I32VEC3  */
+    I32VEC4 = 338,                 /* I32VEC4  */
+    U32VEC2 = 339,                 /* U32VEC2  */
+    U32VEC3 = 340,                 /* U32VEC3  */
+    U32VEC4 = 341,                 /* U32VEC4  */
+    I16VEC2 = 342,                 /* I16VEC2  */
+    I16VEC3 = 343,                 /* I16VEC3  */
+    I16VEC4 = 344,                 /* I16VEC4  */
+    U16VEC2 = 345,                 /* U16VEC2  */
+    U16VEC3 = 346,                 /* U16VEC3  */
+    U16VEC4 = 347,                 /* U16VEC4  */
+    I8VEC2 = 348,                  /* I8VEC2  */
+    I8VEC3 = 349,                  /* I8VEC3  */
+    I8VEC4 = 350,                  /* I8VEC4  */
+    U8VEC2 = 351,                  /* U8VEC2  */
+    U8VEC3 = 352,                  /* U8VEC3  */
+    U8VEC4 = 353,                  /* U8VEC4  */
+    DVEC2 = 354,                   /* DVEC2  */
+    DVEC3 = 355,                   /* DVEC3  */
+    DVEC4 = 356,                   /* DVEC4  */
+    DMAT2 = 357,                   /* DMAT2  */
+    DMAT3 = 358,                   /* DMAT3  */
+    DMAT4 = 359,                   /* DMAT4  */
+    F16VEC2 = 360,                 /* F16VEC2  */
+    F16VEC3 = 361,                 /* F16VEC3  */
+    F16VEC4 = 362,                 /* F16VEC4  */
+    F16MAT2 = 363,                 /* F16MAT2  */
+    F16MAT3 = 364,                 /* F16MAT3  */
+    F16MAT4 = 365,                 /* F16MAT4  */
+    F32VEC2 = 366,                 /* F32VEC2  */
+    F32VEC3 = 367,                 /* F32VEC3  */
+    F32VEC4 = 368,                 /* F32VEC4  */
+    F32MAT2 = 369,                 /* F32MAT2  */
+    F32MAT3 = 370,                 /* F32MAT3  */
+    F32MAT4 = 371,                 /* F32MAT4  */
+    F64VEC2 = 372,                 /* F64VEC2  */
+    F64VEC3 = 373,                 /* F64VEC3  */
+    F64VEC4 = 374,                 /* F64VEC4  */
+    F64MAT2 = 375,                 /* F64MAT2  */
+    F64MAT3 = 376,                 /* F64MAT3  */
+    F64MAT4 = 377,                 /* F64MAT4  */
+    DMAT2X2 = 378,                 /* DMAT2X2  */
+    DMAT2X3 = 379,                 /* DMAT2X3  */
+    DMAT2X4 = 380,                 /* DMAT2X4  */
+    DMAT3X2 = 381,                 /* DMAT3X2  */
+    DMAT3X3 = 382,                 /* DMAT3X3  */
+    DMAT3X4 = 383,                 /* DMAT3X4  */
+    DMAT4X2 = 384,                 /* DMAT4X2  */
+    DMAT4X3 = 385,                 /* DMAT4X3  */
+    DMAT4X4 = 386,                 /* DMAT4X4  */
+    F16MAT2X2 = 387,               /* F16MAT2X2  */
+    F16MAT2X3 = 388,               /* F16MAT2X3  */
+    F16MAT2X4 = 389,               /* F16MAT2X4  */
+    F16MAT3X2 = 390,               /* F16MAT3X2  */
+    F16MAT3X3 = 391,               /* F16MAT3X3  */
+    F16MAT3X4 = 392,               /* F16MAT3X4  */
+    F16MAT4X2 = 393,               /* F16MAT4X2  */
+    F16MAT4X3 = 394,               /* F16MAT4X3  */
+    F16MAT4X4 = 395,               /* F16MAT4X4  */
+    F32MAT2X2 = 396,               /* F32MAT2X2  */
+    F32MAT2X3 = 397,               /* F32MAT2X3  */
+    F32MAT2X4 = 398,               /* F32MAT2X4  */
+    F32MAT3X2 = 399,               /* F32MAT3X2  */
+    F32MAT3X3 = 400,               /* F32MAT3X3  */
+    F32MAT3X4 = 401,               /* F32MAT3X4  */
+    F32MAT4X2 = 402,               /* F32MAT4X2  */
+    F32MAT4X3 = 403,               /* F32MAT4X3  */
+    F32MAT4X4 = 404,               /* F32MAT4X4  */
+    F64MAT2X2 = 405,               /* F64MAT2X2  */
+    F64MAT2X3 = 406,               /* F64MAT2X3  */
+    F64MAT2X4 = 407,               /* F64MAT2X4  */
+    F64MAT3X2 = 408,               /* F64MAT3X2  */
+    F64MAT3X3 = 409,               /* F64MAT3X3  */
+    F64MAT3X4 = 410,               /* F64MAT3X4  */
+    F64MAT4X2 = 411,               /* F64MAT4X2  */
+    F64MAT4X3 = 412,               /* F64MAT4X3  */
+    F64MAT4X4 = 413,               /* F64MAT4X4  */
+    ATOMIC_UINT = 414,             /* ATOMIC_UINT  */
+    ACCSTRUCTNV = 415,             /* ACCSTRUCTNV  */
+    ACCSTRUCTEXT = 416,            /* ACCSTRUCTEXT  */
+    RAYQUERYEXT = 417,             /* RAYQUERYEXT  */
+    FCOOPMATNV = 418,              /* FCOOPMATNV  */
+    ICOOPMATNV = 419,              /* ICOOPMATNV  */
+    UCOOPMATNV = 420,              /* UCOOPMATNV  */
+    SAMPLERCUBEARRAY = 421,        /* SAMPLERCUBEARRAY  */
+    SAMPLERCUBEARRAYSHADOW = 422,  /* SAMPLERCUBEARRAYSHADOW  */
+    ISAMPLERCUBEARRAY = 423,       /* ISAMPLERCUBEARRAY  */
+    USAMPLERCUBEARRAY = 424,       /* USAMPLERCUBEARRAY  */
+    SAMPLER1D = 425,               /* SAMPLER1D  */
+    SAMPLER1DARRAY = 426,          /* SAMPLER1DARRAY  */
+    SAMPLER1DARRAYSHADOW = 427,    /* SAMPLER1DARRAYSHADOW  */
+    ISAMPLER1D = 428,              /* ISAMPLER1D  */
+    SAMPLER1DSHADOW = 429,         /* SAMPLER1DSHADOW  */
+    SAMPLER2DRECT = 430,           /* SAMPLER2DRECT  */
+    SAMPLER2DRECTSHADOW = 431,     /* SAMPLER2DRECTSHADOW  */
+    ISAMPLER2DRECT = 432,          /* ISAMPLER2DRECT  */
+    USAMPLER2DRECT = 433,          /* USAMPLER2DRECT  */
+    SAMPLERBUFFER = 434,           /* SAMPLERBUFFER  */
+    ISAMPLERBUFFER = 435,          /* ISAMPLERBUFFER  */
+    USAMPLERBUFFER = 436,          /* USAMPLERBUFFER  */
+    SAMPLER2DMS = 437,             /* SAMPLER2DMS  */
+    ISAMPLER2DMS = 438,            /* ISAMPLER2DMS  */
+    USAMPLER2DMS = 439,            /* USAMPLER2DMS  */
+    SAMPLER2DMSARRAY = 440,        /* SAMPLER2DMSARRAY  */
+    ISAMPLER2DMSARRAY = 441,       /* ISAMPLER2DMSARRAY  */
+    USAMPLER2DMSARRAY = 442,       /* USAMPLER2DMSARRAY  */
+    SAMPLEREXTERNALOES = 443,      /* SAMPLEREXTERNALOES  */
+    SAMPLEREXTERNAL2DY2YEXT = 444, /* SAMPLEREXTERNAL2DY2YEXT  */
+    ISAMPLER1DARRAY = 445,         /* ISAMPLER1DARRAY  */
+    USAMPLER1D = 446,              /* USAMPLER1D  */
+    USAMPLER1DARRAY = 447,         /* USAMPLER1DARRAY  */
+    F16SAMPLER1D = 448,            /* F16SAMPLER1D  */
+    F16SAMPLER2D = 449,            /* F16SAMPLER2D  */
+    F16SAMPLER3D = 450,            /* F16SAMPLER3D  */
+    F16SAMPLER2DRECT = 451,        /* F16SAMPLER2DRECT  */
+    F16SAMPLERCUBE = 452,          /* F16SAMPLERCUBE  */
+    F16SAMPLER1DARRAY = 453,       /* F16SAMPLER1DARRAY  */
+    F16SAMPLER2DARRAY = 454,       /* F16SAMPLER2DARRAY  */
+    F16SAMPLERCUBEARRAY = 455,     /* F16SAMPLERCUBEARRAY  */
+    F16SAMPLERBUFFER = 456,        /* F16SAMPLERBUFFER  */
+    F16SAMPLER2DMS = 457,          /* F16SAMPLER2DMS  */
+    F16SAMPLER2DMSARRAY = 458,     /* F16SAMPLER2DMSARRAY  */
+    F16SAMPLER1DSHADOW = 459,      /* F16SAMPLER1DSHADOW  */
+    F16SAMPLER2DSHADOW = 460,      /* F16SAMPLER2DSHADOW  */
+    F16SAMPLER1DARRAYSHADOW = 461, /* F16SAMPLER1DARRAYSHADOW  */
+    F16SAMPLER2DARRAYSHADOW = 462, /* F16SAMPLER2DARRAYSHADOW  */
+    F16SAMPLER2DRECTSHADOW = 463,  /* F16SAMPLER2DRECTSHADOW  */
+    F16SAMPLERCUBESHADOW = 464,    /* F16SAMPLERCUBESHADOW  */
+    F16SAMPLERCUBEARRAYSHADOW = 465, /* F16SAMPLERCUBEARRAYSHADOW  */
+    IMAGE1D = 466,                 /* IMAGE1D  */
+    IIMAGE1D = 467,                /* IIMAGE1D  */
+    UIMAGE1D = 468,                /* UIMAGE1D  */
+    IMAGE2D = 469,                 /* IMAGE2D  */
+    IIMAGE2D = 470,                /* IIMAGE2D  */
+    UIMAGE2D = 471,                /* UIMAGE2D  */
+    IMAGE3D = 472,                 /* IMAGE3D  */
+    IIMAGE3D = 473,                /* IIMAGE3D  */
+    UIMAGE3D = 474,                /* UIMAGE3D  */
+    IMAGE2DRECT = 475,             /* IMAGE2DRECT  */
+    IIMAGE2DRECT = 476,            /* IIMAGE2DRECT  */
+    UIMAGE2DRECT = 477,            /* UIMAGE2DRECT  */
+    IMAGECUBE = 478,               /* IMAGECUBE  */
+    IIMAGECUBE = 479,              /* IIMAGECUBE  */
+    UIMAGECUBE = 480,              /* UIMAGECUBE  */
+    IMAGEBUFFER = 481,             /* IMAGEBUFFER  */
+    IIMAGEBUFFER = 482,            /* IIMAGEBUFFER  */
+    UIMAGEBUFFER = 483,            /* UIMAGEBUFFER  */
+    IMAGE1DARRAY = 484,            /* IMAGE1DARRAY  */
+    IIMAGE1DARRAY = 485,           /* IIMAGE1DARRAY  */
+    UIMAGE1DARRAY = 486,           /* UIMAGE1DARRAY  */
+    IMAGE2DARRAY = 487,            /* IMAGE2DARRAY  */
+    IIMAGE2DARRAY = 488,           /* IIMAGE2DARRAY  */
+    UIMAGE2DARRAY = 489,           /* UIMAGE2DARRAY  */
+    IMAGECUBEARRAY = 490,          /* IMAGECUBEARRAY  */
+    IIMAGECUBEARRAY = 491,         /* IIMAGECUBEARRAY  */
+    UIMAGECUBEARRAY = 492,         /* UIMAGECUBEARRAY  */
+    IMAGE2DMS = 493,               /* IMAGE2DMS  */
+    IIMAGE2DMS = 494,              /* IIMAGE2DMS  */
+    UIMAGE2DMS = 495,              /* UIMAGE2DMS  */
+    IMAGE2DMSARRAY = 496,          /* IMAGE2DMSARRAY  */
+    IIMAGE2DMSARRAY = 497,         /* IIMAGE2DMSARRAY  */
+    UIMAGE2DMSARRAY = 498,         /* UIMAGE2DMSARRAY  */
+    F16IMAGE1D = 499,              /* F16IMAGE1D  */
+    F16IMAGE2D = 500,              /* F16IMAGE2D  */
+    F16IMAGE3D = 501,              /* F16IMAGE3D  */
+    F16IMAGE2DRECT = 502,          /* F16IMAGE2DRECT  */
+    F16IMAGECUBE = 503,            /* F16IMAGECUBE  */
+    F16IMAGE1DARRAY = 504,         /* F16IMAGE1DARRAY  */
+    F16IMAGE2DARRAY = 505,         /* F16IMAGE2DARRAY  */
+    F16IMAGECUBEARRAY = 506,       /* F16IMAGECUBEARRAY  */
+    F16IMAGEBUFFER = 507,          /* F16IMAGEBUFFER  */
+    F16IMAGE2DMS = 508,            /* F16IMAGE2DMS  */
+    F16IMAGE2DMSARRAY = 509,       /* F16IMAGE2DMSARRAY  */
+    I64IMAGE1D = 510,              /* I64IMAGE1D  */
+    U64IMAGE1D = 511,              /* U64IMAGE1D  */
+    I64IMAGE2D = 512,              /* I64IMAGE2D  */
+    U64IMAGE2D = 513,              /* U64IMAGE2D  */
+    I64IMAGE3D = 514,              /* I64IMAGE3D  */
+    U64IMAGE3D = 515,              /* U64IMAGE3D  */
+    I64IMAGE2DRECT = 516,          /* I64IMAGE2DRECT  */
+    U64IMAGE2DRECT = 517,          /* U64IMAGE2DRECT  */
+    I64IMAGECUBE = 518,            /* I64IMAGECUBE  */
+    U64IMAGECUBE = 519,            /* U64IMAGECUBE  */
+    I64IMAGEBUFFER = 520,          /* I64IMAGEBUFFER  */
+    U64IMAGEBUFFER = 521,          /* U64IMAGEBUFFER  */
+    I64IMAGE1DARRAY = 522,         /* I64IMAGE1DARRAY  */
+    U64IMAGE1DARRAY = 523,         /* U64IMAGE1DARRAY  */
+    I64IMAGE2DARRAY = 524,         /* I64IMAGE2DARRAY  */
+    U64IMAGE2DARRAY = 525,         /* U64IMAGE2DARRAY  */
+    I64IMAGECUBEARRAY = 526,       /* I64IMAGECUBEARRAY  */
+    U64IMAGECUBEARRAY = 527,       /* U64IMAGECUBEARRAY  */
+    I64IMAGE2DMS = 528,            /* I64IMAGE2DMS  */
+    U64IMAGE2DMS = 529,            /* U64IMAGE2DMS  */
+    I64IMAGE2DMSARRAY = 530,       /* I64IMAGE2DMSARRAY  */
+    U64IMAGE2DMSARRAY = 531,       /* U64IMAGE2DMSARRAY  */
+    TEXTURECUBEARRAY = 532,        /* TEXTURECUBEARRAY  */
+    ITEXTURECUBEARRAY = 533,       /* ITEXTURECUBEARRAY  */
+    UTEXTURECUBEARRAY = 534,       /* UTEXTURECUBEARRAY  */
+    TEXTURE1D = 535,               /* TEXTURE1D  */
+    ITEXTURE1D = 536,              /* ITEXTURE1D  */
+    UTEXTURE1D = 537,              /* UTEXTURE1D  */
+    TEXTURE1DARRAY = 538,          /* TEXTURE1DARRAY  */
+    ITEXTURE1DARRAY = 539,         /* ITEXTURE1DARRAY  */
+    UTEXTURE1DARRAY = 540,         /* UTEXTURE1DARRAY  */
+    TEXTURE2DRECT = 541,           /* TEXTURE2DRECT  */
+    ITEXTURE2DRECT = 542,          /* ITEXTURE2DRECT  */
+    UTEXTURE2DRECT = 543,          /* UTEXTURE2DRECT  */
+    TEXTUREBUFFER = 544,           /* TEXTUREBUFFER  */
+    ITEXTUREBUFFER = 545,          /* ITEXTUREBUFFER  */
+    UTEXTUREBUFFER = 546,          /* UTEXTUREBUFFER  */
+    TEXTURE2DMS = 547,             /* TEXTURE2DMS  */
+    ITEXTURE2DMS = 548,            /* ITEXTURE2DMS  */
+    UTEXTURE2DMS = 549,            /* UTEXTURE2DMS  */
+    TEXTURE2DMSARRAY = 550,        /* TEXTURE2DMSARRAY  */
+    ITEXTURE2DMSARRAY = 551,       /* ITEXTURE2DMSARRAY  */
+    UTEXTURE2DMSARRAY = 552,       /* UTEXTURE2DMSARRAY  */
+    F16TEXTURE1D = 553,            /* F16TEXTURE1D  */
+    F16TEXTURE2D = 554,            /* F16TEXTURE2D  */
+    F16TEXTURE3D = 555,            /* F16TEXTURE3D  */
+    F16TEXTURE2DRECT = 556,        /* F16TEXTURE2DRECT  */
+    F16TEXTURECUBE = 557,          /* F16TEXTURECUBE  */
+    F16TEXTURE1DARRAY = 558,       /* F16TEXTURE1DARRAY  */
+    F16TEXTURE2DARRAY = 559,       /* F16TEXTURE2DARRAY  */
+    F16TEXTURECUBEARRAY = 560,     /* F16TEXTURECUBEARRAY  */
+    F16TEXTUREBUFFER = 561,        /* F16TEXTUREBUFFER  */
+    F16TEXTURE2DMS = 562,          /* F16TEXTURE2DMS  */
+    F16TEXTURE2DMSARRAY = 563,     /* F16TEXTURE2DMSARRAY  */
+    SUBPASSINPUT = 564,            /* SUBPASSINPUT  */
+    SUBPASSINPUTMS = 565,          /* SUBPASSINPUTMS  */
+    ISUBPASSINPUT = 566,           /* ISUBPASSINPUT  */
+    ISUBPASSINPUTMS = 567,         /* ISUBPASSINPUTMS  */
+    USUBPASSINPUT = 568,           /* USUBPASSINPUT  */
+    USUBPASSINPUTMS = 569,         /* USUBPASSINPUTMS  */
+    F16SUBPASSINPUT = 570,         /* F16SUBPASSINPUT  */
+    F16SUBPASSINPUTMS = 571,       /* F16SUBPASSINPUTMS  */
+    LEFT_OP = 572,                 /* LEFT_OP  */
+    RIGHT_OP = 573,                /* RIGHT_OP  */
+    INC_OP = 574,                  /* INC_OP  */
+    DEC_OP = 575,                  /* DEC_OP  */
+    LE_OP = 576,                   /* LE_OP  */
+    GE_OP = 577,                   /* GE_OP  */
+    EQ_OP = 578,                   /* EQ_OP  */
+    NE_OP = 579,                   /* NE_OP  */
+    AND_OP = 580,                  /* AND_OP  */
+    OR_OP = 581,                   /* OR_OP  */
+    XOR_OP = 582,                  /* XOR_OP  */
+    MUL_ASSIGN = 583,              /* MUL_ASSIGN  */
+    DIV_ASSIGN = 584,              /* DIV_ASSIGN  */
+    ADD_ASSIGN = 585,              /* ADD_ASSIGN  */
+    MOD_ASSIGN = 586,              /* MOD_ASSIGN  */
+    LEFT_ASSIGN = 587,             /* LEFT_ASSIGN  */
+    RIGHT_ASSIGN = 588,            /* RIGHT_ASSIGN  */
+    AND_ASSIGN = 589,              /* AND_ASSIGN  */
+    XOR_ASSIGN = 590,              /* XOR_ASSIGN  */
+    OR_ASSIGN = 591,               /* OR_ASSIGN  */
+    SUB_ASSIGN = 592,              /* SUB_ASSIGN  */
+    STRING_LITERAL = 593,          /* STRING_LITERAL  */
+    LEFT_PAREN = 594,              /* LEFT_PAREN  */
+    RIGHT_PAREN = 595,             /* RIGHT_PAREN  */
+    LEFT_BRACKET = 596,            /* LEFT_BRACKET  */
+    RIGHT_BRACKET = 597,           /* RIGHT_BRACKET  */
+    LEFT_BRACE = 598,              /* LEFT_BRACE  */
+    RIGHT_BRACE = 599,             /* RIGHT_BRACE  */
+    DOT = 600,                     /* DOT  */
+    COMMA = 601,                   /* COMMA  */
+    COLON = 602,                   /* COLON  */
+    EQUAL = 603,                   /* EQUAL  */
+    SEMICOLON = 604,               /* SEMICOLON  */
+    BANG = 605,                    /* BANG  */
+    DASH = 606,                    /* DASH  */
+    TILDE = 607,                   /* TILDE  */
+    PLUS = 608,                    /* PLUS  */
+    STAR = 609,                    /* STAR  */
+    SLASH = 610,                   /* SLASH  */
+    PERCENT = 611,                 /* PERCENT  */
+    LEFT_ANGLE = 612,              /* LEFT_ANGLE  */
+    RIGHT_ANGLE = 613,             /* RIGHT_ANGLE  */
+    VERTICAL_BAR = 614,            /* VERTICAL_BAR  */
+    CARET = 615,                   /* CARET  */
+    AMPERSAND = 616,               /* AMPERSAND  */
+    QUESTION = 617,                /* QUESTION  */
+    INVARIANT = 618,               /* INVARIANT  */
+    HIGH_PRECISION = 619,          /* HIGH_PRECISION  */
+    MEDIUM_PRECISION = 620,        /* MEDIUM_PRECISION  */
+    LOW_PRECISION = 621,           /* LOW_PRECISION  */
+    PRECISION = 622,               /* PRECISION  */
+    PACKED = 623,                  /* PACKED  */
+    RESOURCE = 624,                /* RESOURCE  */
+    SUPERP = 625,                  /* SUPERP  */
+    FLOATCONSTANT = 626,           /* FLOATCONSTANT  */
+    INTCONSTANT = 627,             /* INTCONSTANT  */
+    UINTCONSTANT = 628,            /* UINTCONSTANT  */
+    BOOLCONSTANT = 629,            /* BOOLCONSTANT  */
+    IDENTIFIER = 630,              /* IDENTIFIER  */
+    TYPE_NAME = 631,               /* TYPE_NAME  */
+    CENTROID = 632,                /* CENTROID  */
+    IN = 633,                      /* IN  */
+    OUT = 634,                     /* OUT  */
+    INOUT = 635,                   /* INOUT  */
+    STRUCT = 636,                  /* STRUCT  */
+    VOID = 637,                    /* VOID  */
+    WHILE = 638,                   /* WHILE  */
+    BREAK = 639,                   /* BREAK  */
+    CONTINUE = 640,                /* CONTINUE  */
+    DO = 641,                      /* DO  */
+    ELSE = 642,                    /* ELSE  */
+    FOR = 643,                     /* FOR  */
+    IF = 644,                      /* IF  */
+    DISCARD = 645,                 /* DISCARD  */
+    RETURN = 646,                  /* RETURN  */
+    SWITCH = 647,                  /* SWITCH  */
+    CASE = 648,                    /* CASE  */
+    DEFAULT = 649,                 /* DEFAULT  */
+    TERMINATE_INVOCATION = 650,    /* TERMINATE_INVOCATION  */
+    TERMINATE_RAY = 651,           /* TERMINATE_RAY  */
+    IGNORE_INTERSECTION = 652,     /* IGNORE_INTERSECTION  */
+    UNIFORM = 653,                 /* UNIFORM  */
+    SHARED = 654,                  /* SHARED  */
+    BUFFER = 655,                  /* BUFFER  */
+    FLAT = 656,                    /* FLAT  */
+    SMOOTH = 657,                  /* SMOOTH  */
+    LAYOUT = 658,                  /* LAYOUT  */
+    DOUBLECONSTANT = 659,          /* DOUBLECONSTANT  */
+    INT16CONSTANT = 660,           /* INT16CONSTANT  */
+    UINT16CONSTANT = 661,          /* UINT16CONSTANT  */
+    FLOAT16CONSTANT = 662,         /* FLOAT16CONSTANT  */
+    INT32CONSTANT = 663,           /* INT32CONSTANT  */
+    UINT32CONSTANT = 664,          /* UINT32CONSTANT  */
+    INT64CONSTANT = 665,           /* INT64CONSTANT  */
+    UINT64CONSTANT = 666,          /* UINT64CONSTANT  */
+    SUBROUTINE = 667,              /* SUBROUTINE  */
+    DEMOTE = 668,                  /* DEMOTE  */
+    PAYLOADNV = 669,               /* PAYLOADNV  */
+    PAYLOADINNV = 670,             /* PAYLOADINNV  */
+    HITATTRNV = 671,               /* HITATTRNV  */
+    CALLDATANV = 672,              /* CALLDATANV  */
+    CALLDATAINNV = 673,            /* CALLDATAINNV  */
+    PAYLOADEXT = 674,              /* PAYLOADEXT  */
+    PAYLOADINEXT = 675,            /* PAYLOADINEXT  */
+    HITATTREXT = 676,              /* HITATTREXT  */
+    CALLDATAEXT = 677,             /* CALLDATAEXT  */
+    CALLDATAINEXT = 678,           /* CALLDATAINEXT  */
+    PATCH = 679,                   /* PATCH  */
+    SAMPLE = 680,                  /* SAMPLE  */
+    NONUNIFORM = 681,              /* NONUNIFORM  */
+    COHERENT = 682,                /* COHERENT  */
+    VOLATILE = 683,                /* VOLATILE  */
+    RESTRICT = 684,                /* RESTRICT  */
+    READONLY = 685,                /* READONLY  */
+    WRITEONLY = 686,               /* WRITEONLY  */
+    DEVICECOHERENT = 687,          /* DEVICECOHERENT  */
+    QUEUEFAMILYCOHERENT = 688,     /* QUEUEFAMILYCOHERENT  */
+    WORKGROUPCOHERENT = 689,       /* WORKGROUPCOHERENT  */
+    SUBGROUPCOHERENT = 690,        /* SUBGROUPCOHERENT  */
+    NONPRIVATE = 691,              /* NONPRIVATE  */
+    SHADERCALLCOHERENT = 692,      /* SHADERCALLCOHERENT  */
+    NOPERSPECTIVE = 693,           /* NOPERSPECTIVE  */
+    EXPLICITINTERPAMD = 694,       /* EXPLICITINTERPAMD  */
+    PERVERTEXNV = 695,             /* PERVERTEXNV  */
+    PERPRIMITIVENV = 696,          /* PERPRIMITIVENV  */
+    PERVIEWNV = 697,               /* PERVIEWNV  */
+    PERTASKNV = 698,               /* PERTASKNV  */
+    PRECISE = 699                  /* PRECISE  */
   };
+  typedef enum yytokentype yytoken_kind_t;
 #endif
 
 /* Value type.  */
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
-
 union YYSTYPE
 {
-#line 97 "MachineIndependent/glslang.y" /* yacc.c:1909  */
+#line 97 "MachineIndependent/glslang.y"
 
     struct {
         glslang::TSourceLoc loc;
@@ -506,9 +540,9 @@ union YYSTYPE
         glslang::TArraySizes* typeParameters;
     } interm;
 
-#line 510 "MachineIndependent/glslang_tab.cpp.h" /* yacc.c:1909  */
-};
+#line 544 "MachineIndependent/glslang_tab.cpp.h"
 
+};
 typedef union YYSTYPE YYSTYPE;
 # define YYSTYPE_IS_TRIVIAL 1
 # define YYSTYPE_IS_DECLARED 1

src/libraries/glslang/glslang/MachineIndependent/intermOut.cpp

@@ -438,6 +438,9 @@ bool TOutputTraverser::visitUnary(TVisit /* visit */, TIntermUnary* node)
     case EOpConvUint64ToPtr:  out.debug << "Convert uint64_t to pointer";   break;
     case EOpConvPtrToUint64:  out.debug << "Convert pointer to uint64_t";   break;
 
+    case EOpConvUint64ToAccStruct: out.debug << "Convert uint64_t to acceleration structure"; break;
+    case EOpConvUvec2ToAccStruct:  out.debug << "Convert uvec2 to acceleration strucuture "; break;
+
     case EOpRadians:        out.debug << "radians";              break;
     case EOpDegrees:        out.debug << "degrees";              break;
     case EOpSin:            out.debug << "sine";                 break;
@@ -829,6 +832,7 @@ bool TOutputTraverser::visitAggregate(TVisit /* visit */, TIntermAggregate* node
     case EOpConstructTextureSampler: out.debug << "Construct combined texture-sampler"; break;
     case EOpConstructReference:  out.debug << "Construct reference";  break;
     case EOpConstructCooperativeMatrix:  out.debug << "Construct cooperative matrix";  break;
+    case EOpConstructAccStruct: out.debug << "Construct acceleration structure"; break;
 
     case EOpLessThan:         out.debug << "Compare Less Than";             break;
     case EOpGreaterThan:      out.debug << "Compare Greater Than";          break;
@@ -882,6 +886,7 @@ bool TOutputTraverser::visitAggregate(TVisit /* visit */, TIntermAggregate* node
     case EOpTime:                       out.debug << "time";                  break;
 
     case EOpAtomicAdd:                  out.debug << "AtomicAdd";             break;
+    case EOpAtomicSubtract:             out.debug << "AtomicSubtract";        break;
     case EOpAtomicMin:                  out.debug << "AtomicMin";             break;
     case EOpAtomicMax:                  out.debug << "AtomicMax";             break;
     case EOpAtomicAnd:                  out.debug << "AtomicAnd";             break;
@@ -1079,11 +1084,15 @@ bool TOutputTraverser::visitAggregate(TVisit /* visit */, TIntermAggregate* node
     case EOpSubpassLoad:   out.debug << "subpassLoad";   break;
     case EOpSubpassLoadMS: out.debug << "subpassLoadMS"; break;
 
-    case EOpTrace:                            out.debug << "traceNV"; break;
+    case EOpTraceNV:                          out.debug << "traceNV"; break;
+    case EOpTraceKHR:                         out.debug << "traceRayKHR"; break;
     case EOpReportIntersection:               out.debug << "reportIntersectionNV"; break;
-    case EOpIgnoreIntersection:               out.debug << "ignoreIntersectionNV"; break;
-    case EOpTerminateRay:                     out.debug << "terminateRayNV"; break;
-    case EOpExecuteCallable:                  out.debug << "executeCallableNV"; break;
+    case EOpIgnoreIntersectionNV:             out.debug << "ignoreIntersectionNV"; break;
+    case EOpIgnoreIntersectionKHR:            out.debug << "ignoreIntersectionKHR"; break;
+    case EOpTerminateRayNV:                   out.debug << "terminateRayNV"; break;
+    case EOpTerminateRayKHR:                  out.debug << "terminateRayKHR"; break;
+    case EOpExecuteCallableNV:                out.debug << "executeCallableNV"; break;
+    case EOpExecuteCallableKHR:               out.debug << "executeCallableKHR"; break;
     case EOpWritePackedPrimitiveIndices4x8NV: out.debug << "writePackedPrimitiveIndices4x8NV"; break;
 
     case EOpRayQueryInitialize:                                            out.debug << "rayQueryInitializeEXT"; break;
@@ -1321,6 +1330,9 @@ static void OutputConstantUnion(TInfoSink& out, const TIntermTyped* node, const
                 out.debug << buf << "\n";
             }
             break;
+        case EbtString:
+            out.debug << "\"" << constUnion[i].getSConst()->c_str() << "\"\n";
+            break;
         default:
             out.info.message(EPrefixInternalError, "Unknown constant", node->getLoc());
             break;
@@ -1406,14 +1418,17 @@ bool TOutputTraverser::visitBranch(TVisit /* visit*/, TIntermBranch* node)
     OutputTreeText(out, node, depth);
 
     switch (node->getFlowOp()) {
-    case EOpKill:      out.debug << "Branch: Kill";           break;
-    case EOpBreak:     out.debug << "Branch: Break";          break;
-    case EOpContinue:  out.debug << "Branch: Continue";       break;
-    case EOpReturn:    out.debug << "Branch: Return";         break;
-    case EOpCase:      out.debug << "case: ";                 break;
-    case EOpDemote:    out.debug << "Demote";                 break;
-    case EOpDefault:   out.debug << "default: ";              break;
-    default:               out.debug << "Branch: Unknown Branch"; break;
+    case EOpKill:                   out.debug << "Branch: Kill";                  break;
+    case EOpTerminateInvocation:    out.debug << "Branch: TerminateInvocation";   break;
+    case EOpIgnoreIntersectionKHR:  out.debug << "Branch: IgnoreIntersectionKHR"; break;
+    case EOpTerminateRayKHR:        out.debug << "Branch: TerminateRayKHR";       break;
+    case EOpBreak:                  out.debug << "Branch: Break";                 break;
+    case EOpContinue:               out.debug << "Branch: Continue";              break;
+    case EOpReturn:                 out.debug << "Branch: Return";                break;
+    case EOpCase:                   out.debug << "case: ";                        break;
+    case EOpDemote:                 out.debug << "Demote";                        break;
+    case EOpDefault:                out.debug << "default: ";                     break;
+    default:                        out.debug << "Branch: Unknown Branch";        break;
     }
 
     if (node->getExpression()) {

src/libraries/glslang/glslang/MachineIndependent/iomapper.cpp

@@ -37,9 +37,11 @@
 
 #include "../Include/Common.h"
 #include "../Include/InfoSink.h"
+#include "../Include/Types.h"
 
 #include "gl_types.h"
 #include "iomapper.h"
+#include "SymbolTable.h"
 
 //
 // Map IO bindings.
@@ -82,17 +84,17 @@ public:
         // If a global is being visited, then we should also traverse it incase it's evaluation
         // ends up visiting inputs we want to tag as live
         else if (base->getQualifier().storage == EvqGlobal)
-            addGlobalReference(base->getName());
+            addGlobalReference(base->getAccessName());
 
         if (target) {
             TVarEntryInfo ent = {base->getId(), base, ! traverseAll};
             ent.stage = intermediate.getStage();
             TVarLiveMap::iterator at = target->find(
-                ent.symbol->getName()); // std::lower_bound(target->begin(), target->end(), ent, TVarEntryInfo::TOrderById());
+                ent.symbol->getAccessName()); // std::lower_bound(target->begin(), target->end(), ent, TVarEntryInfo::TOrderById());
             if (at != target->end() && at->second.id == ent.id)
                 at->second.live = at->second.live || ! traverseAll; // update live state
             else
-                (*target)[ent.symbol->getName()] = ent;
+                (*target)[ent.symbol->getAccessName()] = ent;
         }
     }
 
@@ -125,7 +127,8 @@ public:
             return;
 
         TVarEntryInfo ent = { base->getId() };
-        TVarLiveMap::const_iterator at = source->find(base->getName());
+        // Fix a defect, when block has no instance name, we need to find its block name
+        TVarLiveMap::const_iterator at = source->find(base->getAccessName());
         if (at == source->end())
             return;
 
@@ -181,7 +184,7 @@ struct TNotifyInOutAdaptor
 
     inline void operator()(std::pair<const TString, TVarEntryInfo>& entKey)
     {
-        resolver.notifyInOut(stage, entKey.second);
+        resolver.notifyInOut(entKey.second.stage, entKey.second);
     }
 
 private:
@@ -189,12 +192,13 @@ private:
 };
 
 struct TResolverUniformAdaptor {
-    TResolverUniformAdaptor(EShLanguage s, TIoMapResolver& r, TInfoSink& i, bool& e)
+    TResolverUniformAdaptor(EShLanguage s, TIoMapResolver& r, TVarLiveMap* uniform[EShLangCount], TInfoSink& i, bool& e)
       : stage(s)
       , resolver(r)
       , infoSink(i)
       , error(e)
     {
+        memcpy(uniformVarMap, uniform, EShLangCount * (sizeof(TVarLiveMap*)));
     }
 
     inline void operator()(std::pair<const TString, TVarEntryInfo>& entKey) {
@@ -206,9 +210,9 @@ struct TResolverUniformAdaptor {
         ent.newIndex = -1;
         const bool isValid = resolver.validateBinding(stage, ent);
         if (isValid) {
-            resolver.resolveBinding(stage, ent);
-            resolver.resolveSet(stage, ent);
-            resolver.resolveUniformLocation(stage, ent);
+            resolver.resolveSet(ent.stage, ent);
+            resolver.resolveBinding(ent.stage, ent);
+            resolver.resolveUniformLocation(ent.stage, ent);
 
             if (ent.newBinding != -1) {
                 if (ent.newBinding >= int(TQualifier::layoutBindingEnd)) {
@@ -217,6 +221,17 @@ struct TResolverUniformAdaptor {
                     infoSink.info.message(EPrefixInternalError, err.c_str());
                     error = true;
                 }
+
+                if (ent.symbol->getQualifier().hasBinding()) {
+                    for (uint32_t idx = EShLangVertex; idx < EShLangCount; ++idx) {
+                        if (idx == ent.stage || uniformVarMap[idx] == nullptr)
+                            continue;
+                        auto entKey2 = uniformVarMap[idx]->find(entKey.first);
+                        if (entKey2 != uniformVarMap[idx]->end()) {
+                            entKey2->second.newBinding = ent.newBinding;
+                        }
+                    }
+                }
             }
             if (ent.newSet != -1) {
                 if (ent.newSet >= int(TQualifier::layoutSetEnd)) {
@@ -225,6 +240,16 @@ struct TResolverUniformAdaptor {
                     infoSink.info.message(EPrefixInternalError, err.c_str());
                     error = true;
                 }
+                if (ent.symbol->getQualifier().hasSet()) {
+                    for (uint32_t idx = EShLangVertex; idx < EShLangCount; ++idx) {
+                        if ((idx == stage) || (uniformVarMap[idx] == nullptr))
+                            continue;
+                        auto entKey2 = uniformVarMap[idx]->find(entKey.first);
+                        if (entKey2 != uniformVarMap[idx]->end()) {
+                            entKey2->second.newSet = ent.newSet;
+                        }
+                    }
+                }
             }
         } else {
             TString errorMsg = "Invalid binding: " + entKey.first;
@@ -239,7 +264,7 @@ struct TResolverUniformAdaptor {
     TIoMapResolver& resolver;
     TInfoSink&      infoSink;
     bool&           error;
-
+    TVarLiveMap*    uniformVarMap[EShLangCount];
 private:
     TResolverUniformAdaptor& operator=(TResolverUniformAdaptor&) = delete;
 };
@@ -261,7 +286,7 @@ struct TResolverInOutAdaptor {
         ent.newBinding = -1;
         ent.newSet = -1;
         ent.newIndex = -1;
-        const bool isValid = resolver.validateInOut(stage, ent);
+        const bool isValid = resolver.validateInOut(ent.stage, ent);
         if (isValid) {
             resolver.resolveInOutLocation(stage, ent);
             resolver.resolveInOutComponent(stage, ent);
@@ -292,21 +317,118 @@ private:
 };
 
 // The class is used for reserving explicit uniform locations and ubo/ssbo/opaque bindings
+// xxTODO: maybe this logic should be moved into the resolver's "validateInOut" and "validateUniform"
 
 struct TSymbolValidater
 {
     TSymbolValidater(TIoMapResolver& r, TInfoSink& i, TVarLiveMap* in[EShLangCount], TVarLiveMap* out[EShLangCount],
-                     TVarLiveMap* uniform[EShLangCount], bool& hadError)
-        : preStage(EShLangCount)
-        , currentStage(EShLangCount)
-        , nextStage(EShLangCount)
-        , resolver(r)
+                     TVarLiveMap* uniform[EShLangCount], bool& hadError, EProfile profile, int version)
+        : resolver(r)
         , infoSink(i)
         , hadError(hadError)
+        , profile(profile)
+        , version(version)
     {
         memcpy(inVarMaps, in, EShLangCount * (sizeof(TVarLiveMap*)));
         memcpy(outVarMaps, out, EShLangCount * (sizeof(TVarLiveMap*)));
         memcpy(uniformVarMap, uniform, EShLangCount * (sizeof(TVarLiveMap*)));
+
+        std::map<TString, TString> anonymousMemberMap;
+        std::vector<TRange> usedUniformLocation;
+        std::vector<TString> usedUniformName;
+        usedUniformLocation.clear();
+        usedUniformName.clear();
+        for (int i = 0; i < EShLangCount; i++) {
+            if (uniformVarMap[i]) {
+                for (auto uniformVar : *uniformVarMap[i])
+                {
+                    TIntermSymbol* pSymbol = uniformVar.second.symbol;
+                    TQualifier qualifier = uniformVar.second.symbol->getQualifier();
+                    TString symbolName = pSymbol->getAccessName();
+
+                    // All the uniform needs multi-stage location check (block/default)
+                    int uniformLocation = qualifier.layoutLocation;
+
+                    if (uniformLocation != TQualifier::layoutLocationEnd) {
+                        // Total size of current uniform, could be block, struct or other types.
+                        int size = TIntermediate::computeTypeUniformLocationSize(pSymbol->getType());
+
+                        TRange locationRange(uniformLocation, uniformLocation + size - 1);
+
+                        // Combine location and component ranges
+                        int overlapLocation = -1;
+                        bool diffLocation = false;
+
+                        // Check for collisions, except for vertex inputs on desktop targeting OpenGL
+                        overlapLocation = checkLocationOverlap(locationRange, usedUniformLocation, symbolName, usedUniformName, diffLocation);
+
+                        // Overlap locations of uniforms, regardless of components (multi stages)
+                        if (overlapLocation == -1) {
+                            usedUniformLocation.push_back(locationRange);
+                            usedUniformName.push_back(symbolName);
+                        }
+                        else if (overlapLocation >= 0) {
+                            if (diffLocation == true) {
+                                TString err = ("Uniform location should be equal for same uniforms: " +std::to_string(overlapLocation)).c_str();
+                                infoSink.info.message(EPrefixInternalError, err.c_str());
+                                hadError = true;
+                                break;
+                            }
+                            else {
+                                TString err = ("Uniform location overlaps across stages: " + std::to_string(overlapLocation)).c_str();
+                                infoSink.info.message(EPrefixInternalError, err.c_str());
+                                hadError = true;
+                                break;
+                            }
+                        }
+                    }
+
+                    if ((uniformVar.second.symbol->getBasicType() == EbtBlock) &&
+                        IsAnonymous(uniformVar.second.symbol->getName()))
+                    {
+                        auto blockType = uniformVar.second.symbol->getType().getStruct();
+                        for (size_t memberIdx = 0; memberIdx < blockType->size(); ++memberIdx) {
+                            auto memberName = (*blockType)[memberIdx].type->getFieldName();
+                            if (anonymousMemberMap.find(memberName) != anonymousMemberMap.end())
+                            {
+                                if (anonymousMemberMap[memberName] != uniformVar.second.symbol->getType().getTypeName())
+                                {
+                                    TString err = "Invalid block member name: " + memberName;
+                                    infoSink.info.message(EPrefixInternalError, err.c_str());
+                                    hadError = true;
+                                    break;
+                                }
+                            }
+                            else
+                            {
+                                anonymousMemberMap[memberName] = uniformVar.second.symbol->getType().getTypeName();
+                            }
+                        }
+                    }
+                    if (hadError)
+                        break;
+                }
+            }
+        }
+    }
+
+    // In case we need to new an intermediate, which costs too much
+    int checkLocationOverlap(const TRange& locationRange, std::vector<TRange>& usedUniformLocation, const TString symbolName, std::vector<TString>& usedUniformName, bool& diffLocation)
+    {
+        for (size_t r = 0; r < usedUniformLocation.size(); ++r) {
+            if (usedUniformName[r] == symbolName) {
+                diffLocation = true;
+                return (usedUniformLocation[r].start == locationRange.start &&
+                        usedUniformLocation[r].last == locationRange.last)
+                       ? -2 : std::max(locationRange.start, usedUniformLocation[r].start);
+            }
+            if (locationRange.overlap(usedUniformLocation[r])) {
+                // there is a collision; pick one
+                return std::max(locationRange.start, usedUniformLocation[r].start);
+            }
+        }
+
+        return -1; // no collision
     }
 
     inline void operator()(std::pair<const TString, TVarEntryInfo>& entKey) {
@@ -314,17 +436,23 @@ struct TSymbolValidater
         TIntermSymbol* base = ent1.symbol;
         const TType& type = ent1.symbol->getType();
         const TString& name = entKey.first;
-        EShLanguage stage = ent1.stage;
         TString mangleName1, mangleName2;
-        if (currentStage != stage) {
-            preStage = currentStage;
-            currentStage = stage;
-            nextStage = EShLangCount;
-            for (int i = currentStage + 1; i < EShLangCount; i++) {
-                if (inVarMaps[i] != nullptr) {
-                    nextStage = static_cast<EShLanguage>(i);
-                    break;
-                }
+        EShLanguage stage = ent1.stage;
+        EShLanguage preStage, currentStage, nextStage;
+
+        preStage = EShLangCount;
+        for (int i = stage - 1; i >= 0; i--) {
+            if (inVarMaps[i] != nullptr) {
+                preStage = static_cast<EShLanguage>(i);
+                break;
+            }
+        }
+        currentStage = stage;
+        nextStage = EShLangCount;
+        for (int i = stage + 1; i < EShLangCount; i++) {
+            if (inVarMaps[i] != nullptr) {
+                nextStage = static_cast<EShLanguage>(i);
+                break;
             }
         }
 
@@ -335,46 +463,86 @@ struct TSymbolValidater
             type.appendMangledName(mangleName1);
         }
 
+
+        // basic checking that symbols match
+        // more extensive checking in the link stage
         if (base->getQualifier().storage == EvqVaryingIn) {
             // validate stage in;
             if (preStage == EShLangCount)
                 return;
-            if (name == "gl_PerVertex")
+            if (TSymbolTable::isBuiltInSymbol(base->getId()))
                 return;
             if (outVarMaps[preStage] != nullptr) {
                 auto ent2 = outVarMaps[preStage]->find(name);
+                uint32_t location = base->getType().getQualifier().layoutLocation;
+                if (ent2 == outVarMaps[preStage]->end() &&
+                    location != glslang::TQualifier::layoutLocationEnd) {
+                    for (auto var = outVarMaps[preStage]->begin(); var != ent2; var++) {
+                        if (var->second.symbol->getType().getQualifier().layoutLocation == location) {
+                            ent2 = var;
+                            break;
+                        }
+                    }
+                }
                 if (ent2 != outVarMaps[preStage]->end()) {
+                    auto& type1 = base->getType();
+                    auto& type2 = ent2->second.symbol->getType();
+                    hadError = hadError || typeCheck(&type1, &type2, name.c_str(), false);
                     if (ent2->second.symbol->getType().getQualifier().isArrayedIo(preStage)) {
                         TType subType(ent2->second.symbol->getType(), 0);
                         subType.appendMangledName(mangleName2);
-                    }
-                    else {
+                    } else {
                         ent2->second.symbol->getType().appendMangledName(mangleName2);
                     }
-                    if (mangleName1 == mangleName2)
+
+                    if (mangleName1 == mangleName2) {
+                        // For ES 3.0 only, other versions have no such restrictions
+                        // According to ES 3.0 spec: The type and presence of the interpolation qualifiers and
+                        // storage qualifiers  of variables with the same name declared in all linked shaders must
+                        // match, otherwise the link command will fail.
+                        if (profile == EEsProfile && version == 300) {
+                            // Don't need to check smooth qualifier, as it uses the default interpolation mode
+                            if (ent1.stage == EShLangFragment && type1.isBuiltIn() == false) {
+                                if (type1.getQualifier().flat != type2.getQualifier().flat ||
+                                    type1.getQualifier().nopersp != type2.getQualifier().nopersp) {
+                                    TString err = "Interpolation qualifier mismatch : " + entKey.first;
+                                    infoSink.info.message(EPrefixInternalError, err.c_str());
+                                    hadError = true;
+                                }
+                            }
+                        }
                         return;
+                    }
                     else {
                         TString err = "Invalid In/Out variable type : " + entKey.first;
                         infoSink.info.message(EPrefixInternalError, err.c_str());
                         hadError = true;
                     }
                 }
+                else if (!base->getType().isBuiltIn()) {
+                    // According to spec: A link error is generated if any statically referenced input variable
+                    // or block does not have a matching output
+                    if (profile == EEsProfile && ent1.live) {
+                        hadError = true;
+                        TString errorStr = name + ": not been declare as a output variable in pre shader stage.";
+                        infoSink.info.message(EPrefixError, errorStr.c_str());
+                    }
+                }
                 return;
             }
         } else if (base->getQualifier().storage == EvqVaryingOut) {
             // validate stage out;
             if (nextStage == EShLangCount)
                 return;
-            if (name == "gl_PerVertex")
+            if (TSymbolTable::isBuiltInSymbol(base->getId()))
                 return;
-            if (outVarMaps[nextStage] != nullptr) {
+            if (inVarMaps[nextStage] != nullptr) {
                 auto ent2 = inVarMaps[nextStage]->find(name);
                 if (ent2 != inVarMaps[nextStage]->end()) {
                     if (ent2->second.symbol->getType().getQualifier().isArrayedIo(nextStage)) {
                         TType subType(ent2->second.symbol->getType(), 0);
                         subType.appendMangledName(mangleName2);
-                    }
-                    else {
+                    } else {
                         ent2->second.symbol->getType().appendMangledName(mangleName2);
                     }
                     if (mangleName1 == mangleName2)
@@ -387,7 +555,7 @@ struct TSymbolValidater
                 }
                 return;
             }
-        } else if (base->getQualifier().isUniformOrBuffer() && ! base->getQualifier().isPushConstant()) {
+        } else if (base->getQualifier().isUniformOrBuffer() && !base->getQualifier().isPushConstant()) {
             // validate uniform type;
             for (int i = 0; i < EShLangCount; i++) {
                 if (i != currentStage && outVarMaps[i] != nullptr) {
@@ -395,26 +563,174 @@ struct TSymbolValidater
                     if (ent2 != uniformVarMap[i]->end()) {
                         ent2->second.symbol->getType().appendMangledName(mangleName2);
                         if (mangleName1 != mangleName2) {
+                            ent2->second.symbol->getType().sameElementType(type);
                             TString err = "Invalid Uniform variable type : " + entKey.first;
                             infoSink.info.message(EPrefixInternalError, err.c_str());
                             hadError = true;
                         }
                         mangleName2.clear();
+
+                        // validate instance name of blocks
+                        if (hadError == false &&
+                            base->getType().getBasicType() == EbtBlock &&
+                            IsAnonymous(base->getName()) != IsAnonymous(ent2->second.symbol->getName())) {
+                            TString err = "Matched uniform block names must also either all be lacking "
+                                          "an instance name or all having an instance name: " + entKey.first;
+                            infoSink.info.message(EPrefixInternalError, err.c_str());
+                            hadError = true;
+                        }
+
+                        // validate uniform block member qualifier and member names
+                        auto& type1 = base->getType();
+                        auto& type2 = ent2->second.symbol->getType();
+                        if (hadError == false && base->getType().getBasicType() == EbtBlock) {
+                            hadError = hadError || typeCheck(&type1, &type2, name.c_str(), true);
+                        }
+                        else {
+                            hadError = hadError || typeCheck(&type1, &type2, name.c_str(), false);
+                        }
+                    }
+                    else if (base->getBasicType() == EbtBlock)
+                    {
+                        if (IsAnonymous(base->getName()))
+                        {
+                            // The name of anonymous block member can't same with default uniform variable.
+                            auto blockType1 = base->getType().getStruct();
+                            for (size_t memberIdx = 0; memberIdx < blockType1->size(); ++memberIdx) {
+                                auto memberName = (*blockType1)[memberIdx].type->getFieldName();
+                                if (uniformVarMap[i]->find(memberName) != uniformVarMap[i]->end())
+                                {
+                                    TString err = "Invalid Uniform variable name : " + memberName;
+                                    infoSink.info.message(EPrefixInternalError, err.c_str());
+                                    hadError = true;
+                                    break;
+                                }
+                            }
+                        }
                     }
                 }
             }
         }
     }
+
     TVarLiveMap *inVarMaps[EShLangCount], *outVarMaps[EShLangCount], *uniformVarMap[EShLangCount];
-    // Use for mark pre stage, to get more interface symbol information.
-    EShLanguage preStage, currentStage, nextStage;
+
     // Use for mark current shader stage for resolver
     TIoMapResolver& resolver;
     TInfoSink& infoSink;
     bool& hadError;
+    EProfile profile;
+    int version;
 
 private:
     TSymbolValidater& operator=(TSymbolValidater&) = delete;
+
+    bool qualifierCheck(const TType* const type1, const TType* const type2, const std::string& name, bool isBlock)
+    {
+        bool hasError = false;
+        const TQualifier& qualifier1 = type1->getQualifier();
+        const TQualifier& qualifier2 = type2->getQualifier();
+
+        if (((isBlock == false) &&
+            (type1->getQualifier().storage == EvqUniform && type2->getQualifier().storage == EvqUniform)) ||
+            (type1->getQualifier().storage == EvqGlobal && type2->getQualifier().storage == EvqGlobal)) {
+            if (qualifier1.precision != qualifier2.precision) {
+                hasError = true;
+                std::string errorStr = name + ": have precision conflict cross stage.";
+                infoSink.info.message(EPrefixError, errorStr.c_str());
+            }
+            if (qualifier1.hasFormat() && qualifier2.hasFormat()) {
+                if (qualifier1.layoutFormat != qualifier2.layoutFormat) {
+                    hasError = true;
+                    std::string errorStr = name + ": have layout format conflict cross stage.";
+                    infoSink.info.message(EPrefixError, errorStr.c_str());
+                }
+
+            }
+        }
+
+        if (isBlock == true) {
+            if (qualifier1.layoutPacking != qualifier2.layoutPacking) {
+                hasError = true;
+                std::string errorStr = name + ": have layoutPacking conflict cross stage.";
+                infoSink.info.message(EPrefixError, errorStr.c_str());
+            }
+            if (qualifier1.layoutMatrix != qualifier2.layoutMatrix) {
+                hasError = true;
+                std::string errorStr = name + ": have layoutMatrix conflict cross stage.";
+                infoSink.info.message(EPrefixError, errorStr.c_str());
+            }
+            if (qualifier1.layoutOffset != qualifier2.layoutOffset) {
+                hasError = true;
+                std::string errorStr = name + ": have layoutOffset conflict cross stage.";
+                infoSink.info.message(EPrefixError, errorStr.c_str());
+            }
+            if (qualifier1.layoutAlign != qualifier2.layoutAlign) {
+                hasError = true;
+                std::string errorStr = name + ": have layoutAlign conflict cross stage.";
+                infoSink.info.message(EPrefixError, errorStr.c_str());
+            }
+        }
+
+        return hasError;
+    }
+
+    bool typeCheck(const TType* const type1, const TType* const type2, const std::string& name, bool isBlock)
+    {
+        bool hasError = false;
+        if (!(type1->isStruct() && type2->isStruct())) {
+            hasError = hasError || qualifierCheck(type1, type2, name, isBlock);
+        }
+        else {
+            if (type1->getBasicType() == EbtBlock && type2->getBasicType() == EbtBlock)
+                isBlock = true;
+            const TTypeList* typeList1 = type1->getStruct();
+            const TTypeList* typeList2 = type2->getStruct();
+
+            std::string newName = name;
+            size_t memberCount = typeList1->size();
+            size_t index2 = 0;
+            for (size_t index = 0; index < memberCount; index++, index2++) {
+                // Skip inactive member
+                if (typeList1->at(index).type->getBasicType() == EbtVoid)
+                    continue;
+                while (index2 < typeList2->size() && typeList2->at(index2).type->getBasicType() == EbtVoid) {
+                    ++index2;
+                }
+
+                // TypeList1 has more members in list
+                if (index2 == typeList2->size()) {
+                    std::string errorStr = name + ": struct mismatch.";
+                    infoSink.info.message(EPrefixError, errorStr.c_str());
+                    hasError = true;
+                    break;
+                }
+
+                if (typeList1->at(index).type->getFieldName() != typeList2->at(index2).type->getFieldName()) {
+                    std::string errorStr = name + ": member name mismatch.";
+                    infoSink.info.message(EPrefixError, errorStr.c_str());
+                    hasError = true;
+                }
+                else {
+                    newName = typeList1->at(index).type->getFieldName().c_str();
+                }
+                hasError = hasError || typeCheck(typeList1->at(index).type, typeList2->at(index2).type, newName, isBlock);
+            }
+
+            while (index2 < typeList2->size())
+            {
+                // TypeList2 has more members
+                if (typeList2->at(index2).type->getBasicType() != EbtVoid) {
+                    std::string errorStr = name + ": struct mismatch.";
+                    infoSink.info.message(EPrefixError, errorStr.c_str());
+                    hasError = true;
+                    break;
+                }
+                ++index2;
+            }
+        }
+        return hasError;
+    }
 };
 
 struct TSlotCollector {
@@ -438,14 +754,18 @@ TDefaultIoResolverBase::TDefaultIoResolverBase(const TIntermediate& intermediate
     , nextOutputLocation(0)
 {
     memset(stageMask, false, sizeof(bool) * (EShLangCount + 1));
+    memset(stageIntermediates, 0, sizeof(TIntermediate*) * (EShLangCount));
+    stageIntermediates[intermediate.getStage()] = &intermediate;
 }
 
-int TDefaultIoResolverBase::getBaseBinding(TResourceType res, unsigned int set) const {
-    return selectBaseBinding(intermediate.getShiftBinding(res), intermediate.getShiftBindingForSet(res, set));
+int TDefaultIoResolverBase::getBaseBinding(EShLanguage stage, TResourceType res, unsigned int set) const {
+    return stageIntermediates[stage] ? selectBaseBinding(stageIntermediates[stage]->getShiftBinding(res), stageIntermediates[stage]->getShiftBindingForSet(res, set))
+                                     : selectBaseBinding(intermediate.getShiftBinding(res), intermediate.getShiftBindingForSet(res, set));
 }
 
-const std::vector<std::string>& TDefaultIoResolverBase::getResourceSetBinding() const {
-    return intermediate.getResourceSetBinding();
+const std::vector<std::string>& TDefaultIoResolverBase::getResourceSetBinding(EShLanguage stage) const {
+    return stageIntermediates[stage] ? stageIntermediates[stage]->getResourceSetBinding()
+                                     : intermediate.getResourceSetBinding();
 }
 
 bool TDefaultIoResolverBase::doAutoBindingMapping() const { return intermediate.getAutoMapBindings(); }
@@ -486,21 +806,21 @@ int TDefaultIoResolverBase::getFreeSlot(int set, int base, int size) {
     return reserveSlot(set, base, size);
 }
 
-int TDefaultIoResolverBase::resolveSet(EShLanguage /*stage*/, TVarEntryInfo& ent) {
+int TDefaultIoResolverBase::resolveSet(EShLanguage stage, TVarEntryInfo& ent) {
     const TType& type = ent.symbol->getType();
     if (type.getQualifier().hasSet()) {
         return ent.newSet = type.getQualifier().layoutSet;
     }
     // If a command line or API option requested a single descriptor set, use that (if not overrided by spaceN)
-    if (getResourceSetBinding().size() == 1) {
-        return ent.newSet = atoi(getResourceSetBinding()[0].c_str());
+    if (getResourceSetBinding(stage).size() == 1) {
+        return ent.newSet = atoi(getResourceSetBinding(stage)[0].c_str());
     }
     return ent.newSet = 0;
 }
 
 int TDefaultIoResolverBase::resolveUniformLocation(EShLanguage /*stage*/, TVarEntryInfo& ent) {
     const TType& type = ent.symbol->getType();
-    const char* name = ent.symbol->getName().c_str();
+    const char* name =  ent.symbol->getAccessName().c_str();
     // kick out of not doing this
     if (! doAutoLocationMapping()) {
         return ent.newLocation = -1;
@@ -609,12 +929,12 @@ TDefaultGlslIoResolver::TDefaultGlslIoResolver(const TIntermediate& intermediate
 
 int TDefaultGlslIoResolver::resolveInOutLocation(EShLanguage stage, TVarEntryInfo& ent) {
     const TType& type = ent.symbol->getType();
-    const TString& name = getAccessName(ent.symbol);
+    const TString& name = ent.symbol->getAccessName();
     if (currentStage != stage) {
         preStage = currentStage;
         currentStage = stage;
     }
-    // kick out of not doing this
+    // kick out if not doing this
     if (! doAutoLocationMapping()) {
         return ent.newLocation = -1;
     }
@@ -693,7 +1013,7 @@ int TDefaultGlslIoResolver::resolveInOutLocation(EShLanguage stage, TVarEntryInf
 
 int TDefaultGlslIoResolver::resolveUniformLocation(EShLanguage /*stage*/, TVarEntryInfo& ent) {
     const TType& type = ent.symbol->getType();
-    const TString& name = getAccessName(ent.symbol);
+    const TString& name = ent.symbol->getAccessName();
     // kick out of not doing this
     if (! doAutoLocationMapping()) {
         return ent.newLocation = -1;
@@ -762,9 +1082,9 @@ int TDefaultGlslIoResolver::resolveUniformLocation(EShLanguage /*stage*/, TVarEn
     return ent.newLocation = location;
 }
 
-int TDefaultGlslIoResolver::resolveBinding(EShLanguage /*stage*/, TVarEntryInfo& ent) {
+int TDefaultGlslIoResolver::resolveBinding(EShLanguage stage, TVarEntryInfo& ent) {
     const TType& type = ent.symbol->getType();
-    const TString& name = getAccessName(ent.symbol);
+    const TString& name = ent.symbol->getAccessName();
     // On OpenGL arrays of opaque types take a separate binding for each element
     int numBindings = intermediate.getSpv().openGl != 0 && type.isSizedArray() ? type.getCumulativeArraySize() : 1;
     TResourceType resource = getResourceType(type);
@@ -775,30 +1095,32 @@ int TDefaultGlslIoResolver::resolveBinding(EShLanguage /*stage*/, TVarEntryInfo&
     // There is no 'set' qualifier in OpenGL shading language, each resource has its own
     // binding name space, so remap the 'set' to resource type which make each resource
     // binding is valid from 0 to MAX_XXRESOURCE_BINDINGS
-    int set = resource;
+    int set = intermediate.getSpv().openGl != 0 ? resource : ent.newSet;
+    int resourceKey = set;
     if (resource < EResCount) {
         if (type.getQualifier().hasBinding()) {
-            ent.newBinding = reserveSlot(set, getBaseBinding(resource, set) + type.getQualifier().layoutBinding, numBindings);
-            return ent.newBinding;
-        } else if (ent.live && doAutoBindingMapping()) {
+            int newBinding = reserveSlot(resourceKey, getBaseBinding(stage, resource, set) + type.getQualifier().layoutBinding, numBindings);
+            return ent.newBinding = newBinding;
+
+        } else {
             // The resource in current stage is not declared with binding, but it is possible declared
             // with explicit binding in other stages, find the resourceSlotMap firstly to check whether
             // the resource has binding, don't need to allocate if it already has a binding
             bool hasBinding = false;
-            if (! resourceSlotMap[resource].empty()) {
-                TVarSlotMap::iterator iter = resourceSlotMap[resource].find(name);
-                if (iter != resourceSlotMap[resource].end()) {
+            ent.newBinding = -1; // leave as -1 if it isn't set below
+
+            if (! resourceSlotMap[resourceKey].empty()) {
+                TVarSlotMap::iterator iter = resourceSlotMap[resourceKey].find(name);
+                if (iter != resourceSlotMap[resourceKey].end()) {
                     hasBinding = true;
                     ent.newBinding = iter->second;
                 }
             }
-            if (! hasBinding) {
-                TVarSlotMap varSlotMap;
+            if (!hasBinding && (ent.live && doAutoBindingMapping())) {
                 // find free slot, the caller did make sure it passes all vars with binding
                 // first and now all are passed that do not have a binding and needs one
-                int binding = getFreeSlot(resource, getBaseBinding(resource, set), numBindings);
-                varSlotMap[name] = binding;
-                resourceSlotMap[resource] = varSlotMap;
+                int binding = getFreeSlot(resourceKey, getBaseBinding(stage, resource, set), numBindings);
+                resourceSlotMap[resourceKey][name] = binding;
                 ent.newBinding = binding;
             }
             return ent.newBinding;
@@ -839,7 +1161,7 @@ void TDefaultGlslIoResolver::endCollect(EShLanguage /*stage*/) {
 
 void TDefaultGlslIoResolver::reserverStorageSlot(TVarEntryInfo& ent, TInfoSink& infoSink) {
     const TType& type = ent.symbol->getType();
-    const TString& name = getAccessName(ent.symbol);
+    const TString& name = ent.symbol->getAccessName();
     TStorageQualifier storage = type.getQualifier().storage;
     EShLanguage stage(EShLangCount);
     switch (storage) {
@@ -899,17 +1221,21 @@ void TDefaultGlslIoResolver::reserverStorageSlot(TVarEntryInfo& ent, TInfoSink&
 
 void TDefaultGlslIoResolver::reserverResourceSlot(TVarEntryInfo& ent, TInfoSink& infoSink) {
     const TType& type = ent.symbol->getType();
-    const TString& name = getAccessName(ent.symbol);
-    int resource = getResourceType(type);
+    const TString& name = ent.symbol->getAccessName();
+    TResourceType resource = getResourceType(type);
+    int set = intermediate.getSpv().openGl != 0 ? resource : resolveSet(ent.stage, ent);
+    int resourceKey = set;
+
     if (type.getQualifier().hasBinding()) {
-        TVarSlotMap& varSlotMap = resourceSlotMap[resource];
+        TVarSlotMap& varSlotMap = resourceSlotMap[resourceKey];
         TVarSlotMap::iterator iter = varSlotMap.find(name);
-        int binding = type.getQualifier().layoutBinding;
+        int binding = type.getQualifier().layoutBinding + getBaseBinding(ent.stage, resource, set);
+
         if (iter == varSlotMap.end()) {
             // Reserve the slots for the ubo, ssbo and opaques who has explicit binding
-            int numBindings = type.isSizedArray() ? type.getCumulativeArraySize() : 1;
+            int numBindings = intermediate.getSpv().openGl != 0 && type.isSizedArray() ? type.getCumulativeArraySize() : 1;
             varSlotMap[name] = binding;
-            reserveSlot(resource, binding, numBindings);
+            reserveSlot(resourceKey, binding, numBindings);
         } else {
             // Allocate binding by name for OpenGL driver, so the resource in different
             // stages should be declared with the same binding
@@ -922,13 +1248,6 @@ void TDefaultGlslIoResolver::reserverResourceSlot(TVarEntryInfo& ent, TInfoSink&
     }
 }
 
-const TString& TDefaultGlslIoResolver::getAccessName(const TIntermSymbol* symbol)
-{
-    return symbol->getBasicType() == EbtBlock ?
-        symbol->getType().getTypeName() :
-        symbol->getName();
-}
-
 //TDefaultGlslIoResolver end
 
 /*
@@ -965,7 +1284,7 @@ struct TDefaultIoResolver : public TDefaultIoResolverBase {
         return EResCount;
     }
 
-    int resolveBinding(EShLanguage /*stage*/, TVarEntryInfo& ent) override {
+    int resolveBinding(EShLanguage stage, TVarEntryInfo& ent) override {
         const TType& type = ent.symbol->getType();
         const int set = getLayoutSet(type);
         // On OpenGL arrays of opaque types take a seperate binding for each element
@@ -974,11 +1293,11 @@ struct TDefaultIoResolver : public TDefaultIoResolverBase {
         if (resource < EResCount) {
             if (type.getQualifier().hasBinding()) {
                 return ent.newBinding = reserveSlot(
-                           set, getBaseBinding(resource, set) + type.getQualifier().layoutBinding, numBindings);
+                           set, getBaseBinding(stage, resource, set) + type.getQualifier().layoutBinding, numBindings);
             } else if (ent.live && doAutoBindingMapping()) {
                 // find free slot, the caller did make sure it passes all vars with binding
                 // first and now all are passed that do not have a binding and needs one
-                return ent.newBinding = getFreeSlot(set, getBaseBinding(resource, set), numBindings);
+                return ent.newBinding = getFreeSlot(set, getBaseBinding(stage, resource, set), numBindings);
             }
         }
         return ent.newBinding = -1;
@@ -1050,17 +1369,17 @@ struct TDefaultHlslIoResolver : public TDefaultIoResolverBase {
         return EResCount;
     }
 
-    int resolveBinding(EShLanguage /*stage*/, TVarEntryInfo& ent) override {
+    int resolveBinding(EShLanguage stage, TVarEntryInfo& ent) override {
         const TType& type = ent.symbol->getType();
         const int set = getLayoutSet(type);
         TResourceType resource = getResourceType(type);
         if (resource < EResCount) {
             if (type.getQualifier().hasBinding()) {
-                return ent.newBinding = reserveSlot(set, getBaseBinding(resource, set) + type.getQualifier().layoutBinding);
+                return ent.newBinding = reserveSlot(set, getBaseBinding(stage, resource, set) + type.getQualifier().layoutBinding);
             } else if (ent.live && doAutoBindingMapping()) {
                 // find free slot, the caller did make sure it passes all vars with binding
                 // first and now all are passed that do not have a binding and needs one
-                return ent.newBinding = getFreeSlot(set, getBaseBinding(resource, set));
+                return ent.newBinding = getFreeSlot(set, getBaseBinding(stage, resource, set));
             }
         }
         return ent.newBinding = -1;
@@ -1099,10 +1418,10 @@ bool TIoMapper::addStage(EShLanguage stage, TIntermediate& intermediate, TInfoSi
         else
             resolver = &defaultResolver;
     }
-    resolver->addStage(stage);
 #else
     resolver = &defaultResolver;
 #endif
+    resolver->addStage(stage, intermediate);
 
     TVarLiveMap inVarMap, outVarMap, uniformVarMap;
     TVarLiveVector inVector, outVector, uniformVector;
@@ -1117,25 +1436,23 @@ bool TIoMapper::addStage(EShLanguage stage, TIntermediate& intermediate, TInfoSi
     }
 
     // sort entries by priority. see TVarEntryInfo::TOrderByPriority for info.
-    std::for_each(inVarMap.begin(), inVarMap.end(),
-                  [&inVector](TVarLivePair p) { inVector.push_back(p); });
+    for (auto& var : inVarMap) { inVector.push_back(var); }
     std::sort(inVector.begin(), inVector.end(), [](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
         return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
     });
-    std::for_each(outVarMap.begin(), outVarMap.end(),
-                  [&outVector](TVarLivePair p) { outVector.push_back(p); });
+    for (auto& var : outVarMap) { outVector.push_back(var); }
     std::sort(outVector.begin(), outVector.end(), [](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
         return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
     });
-    std::for_each(uniformVarMap.begin(), uniformVarMap.end(),
-                  [&uniformVector](TVarLivePair p) { uniformVector.push_back(p); });
+    for (auto& var : uniformVarMap) { uniformVector.push_back(var); }
     std::sort(uniformVector.begin(), uniformVector.end(), [](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
         return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
     });
     bool hadError = false;
+    TVarLiveMap* dummyUniformVarMap[EShLangCount] = {};
     TNotifyInOutAdaptor inOutNotify(stage, *resolver);
     TNotifyUniformAdaptor uniformNotify(stage, *resolver);
-    TResolverUniformAdaptor uniformResolve(stage, *resolver, infoSink, hadError);
+    TResolverUniformAdaptor uniformResolve(stage, *resolver, dummyUniformVarMap, infoSink, hadError);
     TResolverInOutAdaptor inOutResolve(stage, *resolver, infoSink, hadError);
     resolver->beginNotifications(stage);
     std::for_each(inVector.begin(), inVector.end(), inOutNotify);
@@ -1143,22 +1460,22 @@ bool TIoMapper::addStage(EShLanguage stage, TIntermediate& intermediate, TInfoSi
     std::for_each(uniformVector.begin(), uniformVector.end(), uniformNotify);
     resolver->endNotifications(stage);
     resolver->beginResolve(stage);
-    std::for_each(inVector.begin(), inVector.end(), inOutResolve);
+    for (auto& var : inVector) { inOutResolve(var); }
     std::for_each(inVector.begin(), inVector.end(), [&inVarMap](TVarLivePair p) {
-        auto at = inVarMap.find(p.second.symbol->getName());
-        if (at != inVarMap.end())
+        auto at = inVarMap.find(p.second.symbol->getAccessName());
+        if (at != inVarMap.end() && p.second.id == at->second.id)
             at->second = p.second;
     });
-    std::for_each(outVector.begin(), outVector.end(), inOutResolve);
+    for (auto& var : outVector) { inOutResolve(var); }
     std::for_each(outVector.begin(), outVector.end(), [&outVarMap](TVarLivePair p) {
-        auto at = outVarMap.find(p.second.symbol->getName());
-        if (at != outVarMap.end())
+        auto at = outVarMap.find(p.second.symbol->getAccessName());
+        if (at != outVarMap.end() && p.second.id == at->second.id)
             at->second = p.second;
     });
     std::for_each(uniformVector.begin(), uniformVector.end(), uniformResolve);
     std::for_each(uniformVector.begin(), uniformVector.end(), [&uniformVarMap](TVarLivePair p) {
-        auto at = uniformVarMap.find(p.second.symbol->getName());
-        if (at != uniformVarMap.end())
+        auto at = uniformVarMap.find(p.second.symbol->getAccessName());
+        if (at != uniformVarMap.end() && p.second.id == at->second.id)
             at->second = p.second;
     });
     resolver->endResolve(stage);
@@ -1174,9 +1491,14 @@ bool TIoMapper::addStage(EShLanguage stage, TIntermediate& intermediate, TInfoSi
 //
 // Returns false if the input is too malformed to do this.
 bool TGlslIoMapper::addStage(EShLanguage stage, TIntermediate& intermediate, TInfoSink& infoSink, TIoMapResolver* resolver) {
+    bool somethingToDo = !intermediate.getResourceSetBinding().empty() ||
+        intermediate.getAutoMapBindings() ||
+        intermediate.getAutoMapLocations();
+
+    // Profile and version are use for symbol validate.
+    profile = intermediate.getProfile();
+    version = intermediate.getVersion();
 
-    bool somethingToDo = ! intermediate.getResourceSetBinding().empty() || intermediate.getAutoMapBindings() ||
-                         intermediate.getAutoMapLocations();
     // Restrict the stricter condition to further check 'somethingToDo' only if 'somethingToDo' has not been set, reduce
     // unnecessary or insignificant for-loop operation after 'somethingToDo' have been true.
     for (int res = 0; (res < EResCount && !somethingToDo); ++res) {
@@ -1195,10 +1517,21 @@ bool TGlslIoMapper::addStage(EShLanguage stage, TIntermediate& intermediate, TIn
     }
     // if no resolver is provided, use the default resolver with the given shifts and auto map settings
     TDefaultGlslIoResolver defaultResolver(intermediate);
+#ifdef ENABLE_HLSL
+    TDefaultHlslIoResolver defaultHlslResolver(intermediate);
+    if (resolver == nullptr) {
+        // TODO: use a passed in IO mapper for this
+        if (intermediate.usingHlslIoMapping())
+            resolver = &defaultHlslResolver;
+        else
+            resolver = &defaultResolver;
+    }
+#else
     if (resolver == nullptr) {
         resolver = &defaultResolver;
     }
-    resolver->addStage(stage);
+#endif
+    resolver->addStage(stage, intermediate);
     inVarMaps[stage] = new TVarLiveMap(); outVarMaps[stage] = new TVarLiveMap(); uniformVarMap[stage] = new TVarLiveMap();
     TVarGatherTraverser iter_binding_all(intermediate, true, *inVarMaps[stage], *outVarMaps[stage],
                                          *uniformVarMap[stage]);
@@ -1236,31 +1569,66 @@ bool TGlslIoMapper::doMap(TIoMapResolver* resolver, TInfoSink& infoSink) {
     resolver->endResolve(EShLangCount);
     if (!hadError) {
         //Resolve uniform location, ubo/ssbo/opaque bindings across stages
-        TResolverUniformAdaptor uniformResolve(EShLangCount, *resolver, infoSink, hadError);
+        TResolverUniformAdaptor uniformResolve(EShLangCount, *resolver, uniformVarMap, infoSink, hadError);
         TResolverInOutAdaptor inOutResolve(EShLangCount, *resolver, infoSink, hadError);
-        TSymbolValidater symbolValidater(*resolver, infoSink, inVarMaps, outVarMaps, uniformVarMap, hadError);
+        TSymbolValidater symbolValidater(*resolver, infoSink, inVarMaps,
+                                         outVarMaps, uniformVarMap, hadError, profile, version);
+
+        TVarLiveVector inVectors[EShLangCount];
+        TVarLiveVector outVectors[EShLangCount];
         TVarLiveVector uniformVector;
+
         resolver->beginResolve(EShLangCount);
         for (int stage = EShLangVertex; stage < EShLangCount; stage++) {
             if (inVarMaps[stage] != nullptr) {
                 inOutResolve.setStage(EShLanguage(stage));
-                std::for_each(inVarMaps[stage]->begin(), inVarMaps[stage]->end(), symbolValidater);
-                std::for_each(inVarMaps[stage]->begin(), inVarMaps[stage]->end(), inOutResolve);
-                std::for_each(outVarMaps[stage]->begin(), outVarMaps[stage]->end(), symbolValidater);
-                std::for_each(outVarMaps[stage]->begin(), outVarMaps[stage]->end(), inOutResolve);
+
+                // copy vars into a sorted list
+                std::for_each(inVarMaps[stage]->begin(), inVarMaps[stage]->end(),
+                        [&inVectors, stage](TVarLivePair p) { inVectors[stage].push_back(p); });
+                std::sort(inVectors[stage].begin(), inVectors[stage].end(),
+                        [](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
+                            return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
+                });
+
+                std::for_each(outVarMaps[stage]->begin(), outVarMaps[stage]->end(),
+                        [&outVectors, stage](TVarLivePair p) { outVectors[stage].push_back(p); });
+                std::sort(outVectors[stage].begin(), outVectors[stage].end(),
+                        [](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
+                            return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
+                });
+
+                for (auto& var : inVectors[stage]) { symbolValidater(var); }
+                for (auto& var : inVectors[stage]) { inOutResolve(var); }
+                for (auto& var : outVectors[stage]) { symbolValidater(var); }
+                for (auto& var : outVectors[stage]) { inOutResolve(var); }
+
+                // copy results back into maps
+                std::for_each(inVectors[stage].begin(), inVectors[stage].end(),
+                    [this, stage](TVarLivePair p) {
+                        auto at = inVarMaps[stage]->find(p.first);
+                        if (at != inVarMaps[stage]->end())
+                            at->second = p.second;
+                });
+
+                std::for_each(outVectors[stage].begin(), outVectors[stage].end(),
+                    [this, stage](TVarLivePair p) {
+                        auto at = outVarMaps[stage]->find(p.first);
+                        if (at != outVarMaps[stage]->end())
+                            at->second = p.second;
+                });
+
             }
             if (uniformVarMap[stage] != nullptr) {
                 uniformResolve.setStage(EShLanguage(stage));
-                // sort entries by priority. see TVarEntryInfo::TOrderByPriority for info.
-                std::for_each(uniformVarMap[stage]->begin(), uniformVarMap[stage]->end(),
-                              [&uniformVector](TVarLivePair p) { uniformVector.push_back(p); });
+                for (auto& var : *(uniformVarMap[stage])) { uniformVector.push_back(var); }
             }
         }
         std::sort(uniformVector.begin(), uniformVector.end(), [](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
-            return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
+            return TVarEntryInfo::TOrderByPriorityAndLive()(p1.second, p2.second);
         });
-        std::for_each(uniformVector.begin(), uniformVector.end(), symbolValidater);
-        std::for_each(uniformVector.begin(), uniformVector.end(), uniformResolve);
+        for (auto& var : uniformVector) { symbolValidater(var); }
+        for (auto& var : uniformVector) { uniformResolve(var); }
         std::sort(uniformVector.begin(), uniformVector.end(), [](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
             return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
         });
@@ -1269,14 +1637,18 @@ bool TGlslIoMapper::doMap(TIoMapResolver* resolver, TInfoSink& infoSink) {
             if (intermediates[stage] != nullptr) {
                 // traverse each stage, set new location to each input/output and unifom symbol, set new binding to
                 // ubo, ssbo and opaque symbols
-                TVarLiveMap** pUniformVarMap = uniformVarMap;
+                TVarLiveMap** pUniformVarMap = uniformResolve.uniformVarMap;
                 std::for_each(uniformVector.begin(), uniformVector.end(), [pUniformVarMap, stage](TVarLivePair p) {
-                    auto at = pUniformVarMap[stage]->find(p.second.symbol->getName());
-                    if (at != pUniformVarMap[stage]->end())
+                    auto at = pUniformVarMap[stage]->find(p.second.symbol->getAccessName());
+                    if (at != pUniformVarMap[stage]->end() && at->second.id == p.second.id){
+                        int resolvedBinding = at->second.newBinding;
                         at->second = p.second;
+                        if (resolvedBinding > 0)
+                            at->second.newBinding = resolvedBinding;
+                    }
                 });
                 TVarSetTraverser iter_iomap(*intermediates[stage], *inVarMaps[stage], *outVarMaps[stage],
-                                            *uniformVarMap[stage]);
+                                            *uniformResolve.uniformVarMap[stage]);
                 intermediates[stage]->getTreeRoot()->traverse(&iter_iomap);
             }
         }

src/libraries/glslang/glslang/MachineIndependent/iomapper.h

@@ -52,7 +52,7 @@ namespace glslang {
 
 class TIntermediate;
 struct TVarEntryInfo {
-    int id;
+    long long id;
     TIntermSymbol* symbol;
     bool live;
     int newBinding;
@@ -87,6 +87,35 @@ struct TVarEntryInfo {
             return lPoints > rPoints;
         }
     };
+
+    struct TOrderByPriorityAndLive {
+        // ordering:
+        // 1) do live variables first
+        // 2) has both binding and set
+        // 3) has binding but no set
+        // 4) has no binding but set
+        // 5) has no binding and no set
+        inline bool operator()(const TVarEntryInfo& l, const TVarEntryInfo& r) {
+
+            const TQualifier& lq = l.symbol->getQualifier();
+            const TQualifier& rq = r.symbol->getQualifier();
+
+            // simple rules:
+            // has binding gives 2 points
+            // has set gives 1 point
+            // who has the most points is more important.
+            int lPoints = (lq.hasBinding() ? 2 : 0) + (lq.hasSet() ? 1 : 0);
+            int rPoints = (rq.hasBinding() ? 2 : 0) + (rq.hasSet() ? 1 : 0);
+
+            if (l.live != r.live)
+                return l.live > r.live;
+
+            if (lPoints != rPoints)
+                return lPoints > rPoints;
+
+            return l.id < r.id;
+        }
+    };
 };
 
 // Base class for shared TIoMapResolver services, used by several derivations.
@@ -107,8 +136,8 @@ public:
     void endCollect(EShLanguage) override {}
     void reserverResourceSlot(TVarEntryInfo& /*ent*/, TInfoSink& /*infoSink*/) override {}
     void reserverStorageSlot(TVarEntryInfo& /*ent*/, TInfoSink& /*infoSink*/) override {}
-    int getBaseBinding(TResourceType res, unsigned int set) const;
-    const std::vector<std::string>& getResourceSetBinding() const;
+    int getBaseBinding(EShLanguage stage, TResourceType res, unsigned int set) const;
+    const std::vector<std::string>& getResourceSetBinding(EShLanguage stage) const;
     virtual TResourceType getResourceType(const glslang::TType& type) = 0;
     bool doAutoBindingMapping() const;
     bool doAutoLocationMapping() const;
@@ -122,9 +151,11 @@ public:
     int resolveInOutLocation(EShLanguage stage, TVarEntryInfo& ent) override;
     int resolveInOutComponent(EShLanguage /*stage*/, TVarEntryInfo& ent) override;
     int resolveInOutIndex(EShLanguage /*stage*/, TVarEntryInfo& ent) override;
-    void addStage(EShLanguage stage) override {
-        if (stage < EShLangCount)
+    void addStage(EShLanguage stage, TIntermediate& stageIntermediate) override {
+        if (stage < EShLangCount) {
             stageMask[stage] = true;
+            stageIntermediates[stage] = &stageIntermediate;
+        }
     }
     uint32_t computeTypeLocationSize(const TType& type, EShLanguage stage);
 
@@ -139,6 +170,8 @@ protected:
     int nextInputLocation;
     int nextOutputLocation;
     bool stageMask[EShLangCount + 1];
+    const TIntermediate* stageIntermediates[EShLangCount];
+
     // Return descriptor set specific base if there is one, and the generic base otherwise.
     int selectBaseBinding(int base, int descriptorSetBase) const {
         return descriptorSetBase != -1 ? descriptorSetBase : base;
@@ -203,7 +236,6 @@ public:
     void endCollect(EShLanguage) override;
     void reserverStorageSlot(TVarEntryInfo& ent, TInfoSink& infoSink) override;
     void reserverResourceSlot(TVarEntryInfo& ent, TInfoSink& infoSink) override;
-    const TString& getAccessName(const TIntermSymbol*);
     // in/out symbol and uniform symbol are stored in the same resourceSlotMap, the storage key is used to identify each type of symbol.
     // We use stage and storage qualifier to construct a storage key. it can help us identify the same storage resource used in different stage.
     // if a resource is a program resource and we don't need know it usage stage, we can use same stage to build storage key.
@@ -263,10 +295,12 @@ public:
 class TGlslIoMapper : public TIoMapper {
 public:
     TGlslIoMapper() {
-        memset(inVarMaps,     0, sizeof(TVarLiveMap*)   * EShLangCount);
-        memset(outVarMaps,    0, sizeof(TVarLiveMap*)   * EShLangCount);
-        memset(uniformVarMap, 0, sizeof(TVarLiveMap*)   * EShLangCount);
-        memset(intermediates, 0, sizeof(TIntermediate*) * EShLangCount);
+        memset(inVarMaps,     0, sizeof(TVarLiveMap*)   * (EShLangCount + 1));
+        memset(outVarMaps,    0, sizeof(TVarLiveMap*)   * (EShLangCount + 1));
+        memset(uniformVarMap, 0, sizeof(TVarLiveMap*)   * (EShLangCount + 1));
+        memset(intermediates, 0, sizeof(TIntermediate*) * (EShLangCount + 1));
+        profile = ENoProfile;
+        version = 0;
     }
     virtual ~TGlslIoMapper() {
         for (size_t stage = 0; stage < EShLangCount; stage++) {
@@ -293,6 +327,8 @@ public:
                 *uniformVarMap[EShLangCount];
     TIntermediate* intermediates[EShLangCount];
     bool hadError = false;
+    EProfile profile;
+    int version;
 };
 
 } // end namespace glslang

src/libraries/glslang/glslang/MachineIndependent/limits.cpp

@@ -63,14 +63,14 @@ namespace glslang {
 
 class TInductiveTraverser : public TIntermTraverser {
 public:
-    TInductiveTraverser(int id, TSymbolTable& st)
+    TInductiveTraverser(long long id, TSymbolTable& st)
     : loopId(id), symbolTable(st), bad(false)  { }
 
     virtual bool visitBinary(TVisit, TIntermBinary* node);
     virtual bool visitUnary(TVisit, TIntermUnary* node);
     virtual bool visitAggregate(TVisit, TIntermAggregate* node);
 
-    int loopId;           // unique ID of the symbol that's the loop inductive variable
+    long long loopId;           // unique ID of the symbol that's the loop inductive variable
     TSymbolTable& symbolTable;
     bool bad;
     TSourceLoc badLoc;
@@ -129,7 +129,7 @@ bool TInductiveTraverser::visitAggregate(TVisit /* visit */, TIntermAggregate* n
 //
 // External function to call for loop check.
 //
-void TParseContext::inductiveLoopBodyCheck(TIntermNode* body, int loopId, TSymbolTable& symbolTable)
+void TParseContext::inductiveLoopBodyCheck(TIntermNode* body, long long loopId, TSymbolTable& symbolTable)
 {
     TInductiveTraverser it(loopId, symbolTable);
 

src/libraries/glslang/glslang/MachineIndependent/linkValidate.cpp

@@ -48,6 +48,7 @@
 
 #include "localintermediate.h"
 #include "../Include/InfoSink.h"
+#include "SymbolTable.h"
 
 namespace glslang {
 
@@ -89,6 +90,56 @@ void TIntermediate::merge(TInfoSink& infoSink, TIntermediate& unit)
 #endif
 }
 
+//
+// check that link objects between stages
+//
+void TIntermediate::mergeUniformObjects(TInfoSink& infoSink, TIntermediate& unit) {
+    if (unit.treeRoot == nullptr || treeRoot == nullptr)
+        return;
+
+    // Get the linker-object lists
+    TIntermSequence& linkerObjects = findLinkerObjects()->getSequence();
+    TIntermSequence unitLinkerObjects = unit.findLinkerObjects()->getSequence();
+
+    // filter unitLinkerObjects to only contain uniforms
+    auto end = std::remove_if(unitLinkerObjects.begin(), unitLinkerObjects.end(),
+        [](TIntermNode* node) {return node->getAsSymbolNode()->getQualifier().storage != EvqUniform &&
+                                      node->getAsSymbolNode()->getQualifier().storage != EvqBuffer; });
+    unitLinkerObjects.resize(end - unitLinkerObjects.begin());
+
+    // merge uniforms and do error checking
+    bool mergeExistingOnly = false;
+    mergeGlobalUniformBlocks(infoSink, unit, mergeExistingOnly);
+    mergeLinkerObjects(infoSink, linkerObjects, unitLinkerObjects, unit.getStage());
+}
+
+//
+// do error checking on the shader boundary in / out vars 
+//
+void TIntermediate::checkStageIO(TInfoSink& infoSink, TIntermediate& unit) {
+    if (unit.treeRoot == nullptr || treeRoot == nullptr)
+        return;
+
+    // Get copies of the linker-object lists
+    TIntermSequence linkerObjects = findLinkerObjects()->getSequence();
+    TIntermSequence unitLinkerObjects = unit.findLinkerObjects()->getSequence();
+
+    // filter linkerObjects to only contain out variables
+    auto end = std::remove_if(linkerObjects.begin(), linkerObjects.end(),
+        [](TIntermNode* node) {return node->getAsSymbolNode()->getQualifier().storage != EvqVaryingOut; });
+    linkerObjects.resize(end - linkerObjects.begin());
+
+    // filter unitLinkerObjects to only contain in variables
+    auto unitEnd = std::remove_if(unitLinkerObjects.begin(), unitLinkerObjects.end(),
+        [](TIntermNode* node) {return node->getAsSymbolNode()->getQualifier().storage != EvqVaryingIn; });
+    unitLinkerObjects.resize(unitEnd - unitLinkerObjects.begin());
+
+    // do matching and error checking
+    mergeLinkerObjects(infoSink, linkerObjects, unitLinkerObjects, unit.getStage());
+
+    // TODO: final check; make sure that any statically used `in` have matching `out` written to
+}
+
 void TIntermediate::mergeCallGraphs(TInfoSink& infoSink, TIntermediate& unit)
 {
     if (unit.getNumEntryPoints() > 0) {
@@ -136,6 +187,7 @@ void TIntermediate::mergeModes(TInfoSink& infoSink, TIntermediate& unit)
     MERGE_MAX(spvVersion.vulkanGlsl);
     MERGE_MAX(spvVersion.vulkan);
     MERGE_MAX(spvVersion.openGl);
+    MERGE_TRUE(spvVersion.vulkanRelaxed);
 
     numErrors += unit.getNumErrors();
     // Only one push_constant is allowed, mergeLinkerObjects() will ensure the push_constant
@@ -196,12 +248,14 @@ void TIntermediate::mergeModes(TInfoSink& infoSink, TIntermediate& unit)
     MERGE_TRUE(pointMode);
 
     for (int i = 0; i < 3; ++i) {
-        if (!localSizeNotDefault[i] && unit.localSizeNotDefault[i]) {
-            localSize[i] = unit.localSize[i];
-            localSizeNotDefault[i] = true;
+        if (unit.localSizeNotDefault[i]) {
+            if (!localSizeNotDefault[i]) {
+                localSize[i] = unit.localSize[i];
+                localSizeNotDefault[i] = true;
+            }
+            else if (localSize[i] != unit.localSize[i])
+                error(infoSink, "Contradictory local size");
         }
-        else if (localSize[i] != unit.localSize[i])
-            error(infoSink, "Contradictory local size");
 
         if (localSizeSpecId[i] == TQualifier::layoutNotSet)
             localSizeSpecId[i] = unit.localSizeSpecId[i];
@@ -304,12 +358,14 @@ void TIntermediate::mergeTrees(TInfoSink& infoSink, TIntermediate& unit)
     // Map by global name to unique ID to rationalize the same object having
     // differing IDs in different trees.
     TIdMaps idMaps;
-    int maxId;
-    seedIdMap(idMaps, maxId);
-    remapIds(idMaps, maxId + 1, unit);
+    long long idShift;
+    seedIdMap(idMaps, idShift);
+    remapIds(idMaps, idShift + 1, unit);
 
     mergeBodies(infoSink, globals, unitGlobals);
-    mergeLinkerObjects(infoSink, linkerObjects, unitLinkerObjects);
+    bool mergeExistingOnly = false;
+    mergeGlobalUniformBlocks(infoSink, unit, mergeExistingOnly);
+    mergeLinkerObjects(infoSink, linkerObjects, unitLinkerObjects, unit.getStage());
     ioAccessed.insert(unit.ioAccessed.begin(), unit.ioAccessed.end());
 }
 
@@ -327,14 +383,14 @@ static const TString& getNameForIdMap(TIntermSymbol* symbol)
 
 
 // Traverser that seeds an ID map with all built-ins, and tracks the
-// maximum ID used.
+// maximum ID used, currently using (maximum ID + 1) as new symbol id shift seed.
+// Level id will keep same after shifting.
 // (It would be nice to put this in a function, but that causes warnings
 // on having no bodies for the copy-constructor/operator=.)
 class TBuiltInIdTraverser : public TIntermTraverser {
 public:
-    TBuiltInIdTraverser(TIdMaps& idMaps) : idMaps(idMaps), maxId(0) { }
+    TBuiltInIdTraverser(TIdMaps& idMaps) : idMaps(idMaps), idShift(0) { }
     // If it's a built in, add it to the map.
-    // Track the max ID.
     virtual void visitSymbol(TIntermSymbol* symbol)
     {
         const TQualifier& qualifier = symbol->getType().getQualifier();
@@ -342,14 +398,16 @@ public:
             TShaderInterface si = symbol->getType().getShaderInterface();
             idMaps[si][getNameForIdMap(symbol)] = symbol->getId();
         }
-        maxId = std::max(maxId, symbol->getId());
+        idShift = (symbol->getId() & ~TSymbolTable::uniqueIdMask) |
+                std::max(idShift & TSymbolTable::uniqueIdMask,
+                         symbol->getId() & TSymbolTable::uniqueIdMask);
     }
-    int getMaxId() const { return maxId; }
+    long long getIdShift() const { return idShift; }
 protected:
     TBuiltInIdTraverser(TBuiltInIdTraverser&);
     TBuiltInIdTraverser& operator=(TBuiltInIdTraverser&);
     TIdMaps& idMaps;
-    int maxId;
+    long long idShift;
 };
 
 // Traverser that seeds an ID map with non-builtins.
@@ -375,12 +433,12 @@ protected:
 };
 
 // Initialize the the ID map with what we know of 'this' AST.
-void TIntermediate::seedIdMap(TIdMaps& idMaps, int& maxId)
+void TIntermediate::seedIdMap(TIdMaps& idMaps, long long& idShift)
 {
     // all built-ins everywhere need to align on IDs and contribute to the max ID
     TBuiltInIdTraverser builtInIdTraverser(idMaps);
     treeRoot->traverse(&builtInIdTraverser);
-    maxId = builtInIdTraverser.getMaxId();
+    idShift = builtInIdTraverser.getIdShift() & TSymbolTable::uniqueIdMask;
 
     // user variables in the linker object list need to align on ids
     TUserIdTraverser userIdTraverser(idMaps);
@@ -392,7 +450,7 @@ void TIntermediate::seedIdMap(TIdMaps& idMaps, int& maxId)
 // on having no bodies for the copy-constructor/operator=.)
 class TRemapIdTraverser : public TIntermTraverser {
 public:
-    TRemapIdTraverser(const TIdMaps& idMaps, int idShift) : idMaps(idMaps), idShift(idShift) { }
+    TRemapIdTraverser(const TIdMaps& idMaps, long long idShift) : idMaps(idMaps), idShift(idShift) { }
     // Do the mapping:
     //  - if the same symbol, adopt the 'this' ID
     //  - otherwise, ensure a unique ID by shifting to a new space
@@ -404,7 +462,9 @@ public:
             TShaderInterface si = symbol->getType().getShaderInterface();
             auto it = idMaps[si].find(getNameForIdMap(symbol));
             if (it != idMaps[si].end()) {
-                symbol->changeId(it->second);
+                uint64_t id = (symbol->getId() & ~TSymbolTable::uniqueIdMask) |
+                    (it->second & TSymbolTable::uniqueIdMask);
+                symbol->changeId(id);
                 remapped = true;
             }
         }
@@ -415,10 +475,10 @@ protected:
     TRemapIdTraverser(TRemapIdTraverser&);
     TRemapIdTraverser& operator=(TRemapIdTraverser&);
     const TIdMaps& idMaps;
-    int idShift;
+    long long idShift;
 };
 
-void TIntermediate::remapIds(const TIdMaps& idMaps, int idShift, TIntermediate& unit)
+void TIntermediate::remapIds(const TIdMaps& idMaps, long long idShift, TIntermediate& unit)
 {
     // Remap all IDs to either share or be unique, as dictated by the idMap and idShift.
     TRemapIdTraverser idTraverser(idMaps, idShift);
@@ -449,11 +509,193 @@ void TIntermediate::mergeBodies(TInfoSink& infoSink, TIntermSequence& globals, c
     globals.insert(globals.end() - 1, unitGlobals.begin(), unitGlobals.end() - 1);
 }
 
+static inline bool isSameInterface(TIntermSymbol* symbol, EShLanguage stage, TIntermSymbol* unitSymbol, EShLanguage unitStage) {
+    return // 1) same stage and same shader interface
+        (stage == unitStage && symbol->getType().getShaderInterface() == unitSymbol->getType().getShaderInterface()) ||
+        // 2) accross stages and both are uniform or buffer
+        (symbol->getQualifier().storage == EvqUniform  && unitSymbol->getQualifier().storage == EvqUniform) ||
+        (symbol->getQualifier().storage == EvqBuffer   && unitSymbol->getQualifier().storage == EvqBuffer) ||
+        // 3) in/out matched across stage boundary
+        (stage < unitStage && symbol->getQualifier().storage == EvqVaryingOut  && unitSymbol->getQualifier().storage == EvqVaryingIn) ||
+        (unitStage < stage && symbol->getQualifier().storage == EvqVaryingIn && unitSymbol->getQualifier().storage == EvqVaryingOut);
+}
+
+//
+// Global Unfiform block stores any default uniforms (i.e. uniforms without a block)
+// If two linked stages declare the same member, they are meant to be the same uniform
+// and need to be in the same block
+// merge the members of different stages to allow them to be linked properly
+// as a single block
+//
+void TIntermediate::mergeGlobalUniformBlocks(TInfoSink& infoSink, TIntermediate& unit, bool mergeExistingOnly)
+{
+    TIntermSequence& linkerObjects = findLinkerObjects()->getSequence();
+    TIntermSequence& unitLinkerObjects = unit.findLinkerObjects()->getSequence();
+
+    // build lists of default blocks from the intermediates
+    TIntermSequence defaultBlocks;
+    TIntermSequence unitDefaultBlocks;
+
+    auto filter = [](TIntermSequence& list, TIntermNode* node) {
+        if (node->getAsSymbolNode()->getQualifier().defaultBlock) {
+            list.push_back(node);
+        }
+    };
+
+    std::for_each(linkerObjects.begin(), linkerObjects.end(),
+        [&defaultBlocks, &filter](TIntermNode* node) {
+            filter(defaultBlocks, node);
+        });
+    std::for_each(unitLinkerObjects.begin(), unitLinkerObjects.end(),
+        [&unitDefaultBlocks, &filter](TIntermNode* node) {
+            filter(unitDefaultBlocks, node);
+    });
+
+    auto itUnitBlock = unitDefaultBlocks.begin();
+    for (; itUnitBlock != unitDefaultBlocks.end(); itUnitBlock++) {
+
+        bool add = !mergeExistingOnly;
+        auto itBlock = defaultBlocks.begin();
+
+        for (; itBlock != defaultBlocks.end(); itBlock++) {
+            TIntermSymbol* block = (*itBlock)->getAsSymbolNode();
+            TIntermSymbol* unitBlock = (*itUnitBlock)->getAsSymbolNode();
+
+            assert(block && unitBlock);
+
+            // if the two default blocks match, then merge their definitions
+            if (block->getType().getTypeName() == unitBlock->getType().getTypeName() &&
+                block->getQualifier().storage == unitBlock->getQualifier().storage) {
+                add = false;
+                mergeBlockDefinitions(infoSink, block, unitBlock, &unit);
+            }
+        }
+        if (add) {
+            // push back on original list; won't change the size of the list we're iterating over
+            linkerObjects.push_back(*itUnitBlock);
+        }
+    }
+}
+
+void TIntermediate::mergeBlockDefinitions(TInfoSink& infoSink, TIntermSymbol* block, TIntermSymbol* unitBlock, TIntermediate* unit) {
+    if (block->getType() == unitBlock->getType()) {
+        return;
+    }
+
+    if (block->getType().getTypeName() != unitBlock->getType().getTypeName() ||
+        block->getType().getBasicType() != unitBlock->getType().getBasicType() ||
+        block->getQualifier().storage != unitBlock->getQualifier().storage ||
+        block->getQualifier().layoutSet != unitBlock->getQualifier().layoutSet) {
+        // different block names likely means different blocks
+        return;
+    }
+
+    // merge the struct
+    // order of declarations doesn't matter and they matched based on member name
+    TTypeList* memberList = block->getType().getWritableStruct();
+    TTypeList* unitMemberList = unitBlock->getType().getWritableStruct();
+
+    // keep track of which members have changed position
+    // so we don't have to search the array again
+    std::map<unsigned int, unsigned int> memberIndexUpdates;
+
+    size_t memberListStartSize = memberList->size();
+    for (unsigned int i = 0; i < unitMemberList->size(); ++i) {
+        bool merge = true;
+        for (unsigned int j = 0; j < memberListStartSize; ++j) {
+            if ((*memberList)[j].type->getFieldName() == (*unitMemberList)[i].type->getFieldName()) {
+                merge = false;
+                const TType* memberType = (*memberList)[j].type;
+                const TType* unitMemberType = (*unitMemberList)[i].type;
+
+                // compare types
+                // don't need as many checks as when merging symbols, since
+                // initializers and most qualifiers are stripped when the member is moved into the block
+                if ((*memberType) != (*unitMemberType)) {
+                    error(infoSink, "Types must match:");
+                    infoSink.info << "    " << memberType->getFieldName() << ": ";
+                    infoSink.info << "\"" << memberType->getCompleteString() << "\" versus ";
+                    infoSink.info << "\"" << unitMemberType->getCompleteString() << "\"\n";
+                }
+
+                memberIndexUpdates[i] = j;
+            }
+        }
+        if (merge) {
+            memberList->push_back((*unitMemberList)[i]);
+            memberIndexUpdates[i] = (unsigned int)memberList->size() - 1;
+        }
+    }
+
+    TType unitType;
+    unitType.shallowCopy(unitBlock->getType());
+
+    // update symbol node in unit tree,
+    // and other nodes that may reference it
+    class TMergeBlockTraverser : public TIntermTraverser {
+    public:
+        TMergeBlockTraverser(const glslang::TType &type, const glslang::TType& unitType,
+                             glslang::TIntermediate& unit,
+                             const std::map<unsigned int, unsigned int>& memberIdxUpdates) :
+            newType(type), unitType(unitType), unit(unit), memberIndexUpdates(memberIdxUpdates)
+        { }
+        virtual ~TMergeBlockTraverser() { }
+
+        const glslang::TType& newType;          // type with modifications
+        const glslang::TType& unitType;         // copy of original type
+        glslang::TIntermediate& unit;           // intermediate that is being updated
+        const std::map<unsigned int, unsigned int>& memberIndexUpdates;
+
+        virtual void visitSymbol(TIntermSymbol* symbol)
+        {
+            glslang::TType& symType = symbol->getWritableType();
+
+            if (symType == unitType) {
+                // each symbol node has a local copy of the unitType
+                //  if merging involves changing properties that aren't shared objects
+                //  they should be updated in all instances
+
+                // e.g. the struct list is a ptr to an object, so it can be updated
+                // once, outside the traverser
+                //*symType.getWritableStruct() = *newType.getStruct();
+            }
+
+        }
+
+        virtual bool visitBinary(TVisit, glslang::TIntermBinary* node)
+        {
+            if (node->getOp() == EOpIndexDirectStruct && node->getLeft()->getType() == unitType) {
+                // this is a dereference to a member of the block since the
+                // member list changed, need to update this to point to the
+                // right index
+                assert(node->getRight()->getAsConstantUnion());
+
+                glslang::TIntermConstantUnion* constNode = node->getRight()->getAsConstantUnion();
+                unsigned int memberIdx = constNode->getConstArray()[0].getUConst();
+                unsigned int newIdx = memberIndexUpdates.at(memberIdx);
+                TIntermTyped* newConstNode = unit.addConstantUnion(newIdx, node->getRight()->getLoc());
+
+                node->setRight(newConstNode);
+                delete constNode;
+
+                return true;
+            }
+            return true;
+        }
+    } finalLinkTraverser(block->getType(), unitType, *unit, memberIndexUpdates);
+
+    // update the tree to use the new type
+    unit->getTreeRoot()->traverse(&finalLinkTraverser);
+
+    // update the member list
+    (*unitMemberList) = (*memberList);
+}
+
 //
 // Merge the linker objects from unitLinkerObjects into linkerObjects.
 // Duplication is expected and filtered out, but contradictions are an error.
 //
-void TIntermediate::mergeLinkerObjects(TInfoSink& infoSink, TIntermSequence& linkerObjects, const TIntermSequence& unitLinkerObjects)
+void TIntermediate::mergeLinkerObjects(TInfoSink& infoSink, TIntermSequence& linkerObjects, const TIntermSequence& unitLinkerObjects, EShLanguage unitStage)
 {
     // Error check and merge the linker objects (duplicates should not be created)
     std::size_t initialNumLinkerObjects = linkerObjects.size();
@@ -468,7 +710,7 @@ void TIntermediate::mergeLinkerObjects(TInfoSink& infoSink, TIntermSequence& lin
             // If they are both blocks in the same shader interface,
             // match by the block-name, not the identifier name.
             if (symbol->getType().getBasicType() == EbtBlock && unitSymbol->getType().getBasicType() == EbtBlock) {
-                if (symbol->getType().getShaderInterface() == unitSymbol->getType().getShaderInterface()) {
+                if (isSameInterface(symbol, getStage(), unitSymbol, unitStage)) {
                     isSameSymbol = symbol->getType().getTypeName() == unitSymbol->getType().getTypeName();
                 }
             }
@@ -488,18 +730,54 @@ void TIntermediate::mergeLinkerObjects(TInfoSink& infoSink, TIntermSequence& lin
                 if (! symbol->getQualifier().hasBinding() && unitSymbol->getQualifier().hasBinding())
                     symbol->getQualifier().layoutBinding = unitSymbol->getQualifier().layoutBinding;
 
+                // Similarly for location
+                if (!symbol->getQualifier().hasLocation() && unitSymbol->getQualifier().hasLocation()) {
+                    symbol->getQualifier().layoutLocation = unitSymbol->getQualifier().layoutLocation;
+                }
+
                 // Update implicit array sizes
                 mergeImplicitArraySizes(symbol->getWritableType(), unitSymbol->getType());
 
                 // Check for consistent types/qualification/initializers etc.
-                mergeErrorCheck(infoSink, *symbol, *unitSymbol, false);
+                mergeErrorCheck(infoSink, *symbol, *unitSymbol, unitStage);
             }
             // If different symbols, verify they arn't push_constant since there can only be one per stage
-            else if (symbol->getQualifier().isPushConstant() && unitSymbol->getQualifier().isPushConstant())
+            else if (symbol->getQualifier().isPushConstant() && unitSymbol->getQualifier().isPushConstant() && getStage() == unitStage)
                 error(infoSink, "Only one push_constant block is allowed per stage");
         }
-        if (merge)
+        if (merge) {
             linkerObjects.push_back(unitLinkerObjects[unitLinkObj]);
+
+            // for anonymous blocks, check that their members don't conflict with other names
+            if (unitLinkerObjects[unitLinkObj]->getAsSymbolNode()->getBasicType() == EbtBlock &&
+                IsAnonymous(unitLinkerObjects[unitLinkObj]->getAsSymbolNode()->getName())) {
+                for (std::size_t linkObj = 0; linkObj < initialNumLinkerObjects; ++linkObj) {
+                    TIntermSymbol* symbol = linkerObjects[linkObj]->getAsSymbolNode();
+                    TIntermSymbol* unitSymbol = unitLinkerObjects[unitLinkObj]->getAsSymbolNode();
+                    assert(symbol && unitSymbol);
+
+                    auto checkName = [this, unitSymbol, &infoSink](const TString& name) {
+                        for (unsigned int i = 0; i < unitSymbol->getType().getStruct()->size(); ++i) {
+                            if (name == (*unitSymbol->getType().getStruct())[i].type->getFieldName()) {
+                                error(infoSink, "Anonymous member name used for global variable or other anonymous member: ");
+                                infoSink.info << (*unitSymbol->getType().getStruct())[i].type->getCompleteString() << "\n";
+                            }
+                        }
+                    };
+
+                    if (isSameInterface(symbol, getStage(), unitSymbol, unitStage)) {
+                        checkName(symbol->getName());
+
+                        // check members of other anonymous blocks
+                        if (symbol->getBasicType() == EbtBlock && IsAnonymous(symbol->getName())) {
+                            for (unsigned int i = 0; i < symbol->getType().getStruct()->size(); ++i) {
+                                checkName((*symbol->getType().getStruct())[i].type->getFieldName());
+                            }
+                        }
+                    }
+                }
+            }
+        }
     }
 }
 
@@ -531,26 +809,75 @@ void TIntermediate::mergeImplicitArraySizes(TType& type, const TType& unitType)
 //
 // This function only does one of intra- or cross-stage matching per call.
 //
-void TIntermediate::mergeErrorCheck(TInfoSink& infoSink, const TIntermSymbol& symbol, const TIntermSymbol& unitSymbol, bool crossStage)
+void TIntermediate::mergeErrorCheck(TInfoSink& infoSink, const TIntermSymbol& symbol, const TIntermSymbol& unitSymbol, EShLanguage unitStage)
 {
 #if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
+    bool crossStage = getStage() != unitStage;
     bool writeTypeComparison = false;
 
     // Types have to match
-    if (symbol.getType() != unitSymbol.getType()) {
+    {
         // but, we make an exception if one is an implicit array and the other is sized
-        if (! (symbol.getType().isArray() && unitSymbol.getType().isArray() &&
-                symbol.getType().sameElementType(unitSymbol.getType()) &&
-                (symbol.getType().isUnsizedArray() || unitSymbol.getType().isUnsizedArray()))) {
-            error(infoSink, "Types must match:");
+        // or if the array sizes differ because of the extra array dimension on some in/out boundaries
+        bool arraysMatch = false;
+        if (isIoResizeArray(symbol.getType(), getStage()) || isIoResizeArray(unitSymbol.getType(), unitStage)) {
+            // if the arrays have an extra dimension because of the stage.
+            // compare dimensions while ignoring the outer dimension
+            unsigned int firstDim = isIoResizeArray(symbol.getType(), getStage()) ? 1 : 0;
+            unsigned int numDim = symbol.getArraySizes()
+                ? symbol.getArraySizes()->getNumDims() : 0;
+            unsigned int unitFirstDim = isIoResizeArray(unitSymbol.getType(), unitStage) ? 1 : 0;
+            unsigned int unitNumDim = unitSymbol.getArraySizes()
+                ? unitSymbol.getArraySizes()->getNumDims() : 0;
+            arraysMatch = (numDim - firstDim) == (unitNumDim - unitFirstDim);
+            // check that array sizes match as well
+            for (unsigned int i = 0; i < (numDim - firstDim) && arraysMatch; i++) {
+                if (symbol.getArraySizes()->getDimSize(firstDim + i) !=
+                    unitSymbol.getArraySizes()->getDimSize(unitFirstDim + i)) {
+                    arraysMatch = false;
+                    break;
+                }
+            }
+        }
+        else {
+            arraysMatch = symbol.getType().sameArrayness(unitSymbol.getType()) ||
+                (symbol.getType().isArray() && unitSymbol.getType().isArray() &&
+                (symbol.getType().isUnsizedArray() || unitSymbol.getType().isUnsizedArray()));
+        }
+
+        if (!symbol.getType().sameElementType(unitSymbol.getType()) ||
+            !symbol.getType().sameTypeParameters(unitSymbol.getType()) ||
+            !arraysMatch ) {
             writeTypeComparison = true;
+            error(infoSink, "Types must match:");
         }
     }
 
-    // Qualifiers have to (almost) match
+    // Interface block  member-wise layout qualifiers have to match
+    if (symbol.getType().getBasicType() == EbtBlock && unitSymbol.getType().getBasicType() == EbtBlock &&
+        symbol.getType().getStruct() && unitSymbol.getType().getStruct() &&
+        symbol.getType().sameStructType(unitSymbol.getType())) {
+        for (unsigned int i = 0; i < symbol.getType().getStruct()->size(); ++i) {
+            const TQualifier& qualifier = (*symbol.getType().getStruct())[i].type->getQualifier();
+            const TQualifier& unitQualifier = (*unitSymbol.getType().getStruct())[i].type->getQualifier();
+            if (qualifier.layoutMatrix     != unitQualifier.layoutMatrix ||
+                qualifier.layoutOffset     != unitQualifier.layoutOffset ||
+                qualifier.layoutAlign      != unitQualifier.layoutAlign ||
+                qualifier.layoutLocation   != unitQualifier.layoutLocation ||
+                qualifier.layoutComponent  != unitQualifier.layoutComponent) {
+                error(infoSink, "Interface block member layout qualifiers must match:");
+                writeTypeComparison = true;
+            }
+        }
+    }
 
+    bool isInOut = crossStage &&
+                   ((symbol.getQualifier().storage == EvqVaryingIn && unitSymbol.getQualifier().storage == EvqVaryingOut) ||
+                   (symbol.getQualifier().storage == EvqVaryingOut && unitSymbol.getQualifier().storage == EvqVaryingIn));
+
+    // Qualifiers have to (almost) match
     // Storage...
-    if (symbol.getQualifier().storage != unitSymbol.getQualifier().storage) {
+    if (!isInOut && symbol.getQualifier().storage != unitSymbol.getQualifier().storage) {
         error(infoSink, "Storage qualifiers must match:");
         writeTypeComparison = true;
     }
@@ -572,7 +899,7 @@ void TIntermediate::mergeErrorCheck(TInfoSink& infoSink, const TIntermSymbol& sy
     }
 
     // Precision...
-    if (symbol.getQualifier().precision != unitSymbol.getQualifier().precision) {
+    if (!isInOut && symbol.getQualifier().precision != unitSymbol.getQualifier().precision) {
         error(infoSink, "Precision qualifiers must match:");
         writeTypeComparison = true;
     }
@@ -590,12 +917,16 @@ void TIntermediate::mergeErrorCheck(TInfoSink& infoSink, const TIntermSymbol& sy
     }
 
     // Auxiliary and interpolation...
-    if (symbol.getQualifier().centroid  != unitSymbol.getQualifier().centroid ||
+    // "interpolation qualification (e.g., flat) and auxiliary qualification (e.g. centroid) may differ.  
+    //  These mismatches are allowed between any pair of stages ...
+    //  those provided in the fragment shader supersede those provided in previous stages."
+    if (!crossStage &&
+        (symbol.getQualifier().centroid  != unitSymbol.getQualifier().centroid ||
         symbol.getQualifier().smooth    != unitSymbol.getQualifier().smooth ||
         symbol.getQualifier().flat      != unitSymbol.getQualifier().flat ||
         symbol.getQualifier().isSample()!= unitSymbol.getQualifier().isSample() ||
         symbol.getQualifier().isPatch() != unitSymbol.getQualifier().isPatch() ||
-        symbol.getQualifier().isNonPerspective() != unitSymbol.getQualifier().isNonPerspective()) {
+        symbol.getQualifier().isNonPerspective() != unitSymbol.getQualifier().isNonPerspective())) {
         error(infoSink, "Interpolation and auxiliary storage qualifiers must match:");
         writeTypeComparison = true;
     }
@@ -651,6 +982,25 @@ void TIntermediate::mergeErrorCheck(TInfoSink& infoSink, const TIntermSymbol& sy
 #endif
 }
 
+void TIntermediate::sharedBlockCheck(TInfoSink& infoSink)
+{
+    bool has_shared_block = false;
+    bool has_shared_non_block = false;
+    TIntermSequence& linkObjects = findLinkerObjects()->getSequence();
+    for (size_t i = 0; i < linkObjects.size(); ++i) {
+        const TType& type = linkObjects[i]->getAsTyped()->getType();
+        const TQualifier& qualifier = type.getQualifier();
+        if (qualifier.storage == glslang::EvqShared) {
+            if (type.getBasicType() == glslang::EbtBlock)
+                has_shared_block = true;
+            else
+                has_shared_non_block = true;
+        }
+    }
+    if (has_shared_block && has_shared_non_block)
+        error(infoSink, "cannot mix use of shared variables inside and outside blocks");
+}
+
 //
 // Do final link-time error checking of a complete (merged) intermediate representation.
 // (Much error checking was done during merging).
@@ -736,10 +1086,10 @@ void TIntermediate::finalCheck(TInfoSink& infoSink, bool keepUncalled)
 
         // "The resulting stride (implicit or explicit), when divided by 4, must be less than or equal to the
         // implementation-dependent constant gl_MaxTransformFeedbackInterleavedComponents."
-        if (xfbBuffers[b].stride > (unsigned int)(4 * resources.maxTransformFeedbackInterleavedComponents)) {
+        if (xfbBuffers[b].stride > (unsigned int)(4 * resources->maxTransformFeedbackInterleavedComponents)) {
             error(infoSink, "xfb_stride is too large:");
             infoSink.info.prefix(EPrefixError);
-            infoSink.info << "    xfb_buffer " << (unsigned int)b << ", components (1/4 stride) needed are " << xfbBuffers[b].stride/4 << ", gl_MaxTransformFeedbackInterleavedComponents is " << resources.maxTransformFeedbackInterleavedComponents << "\n";
+            infoSink.info << "    xfb_buffer " << (unsigned int)b << ", components (1/4 stride) needed are " << xfbBuffers[b].stride/4 << ", gl_MaxTransformFeedbackInterleavedComponents is " << resources->maxTransformFeedbackInterleavedComponents << "\n";
         }
     }
 
@@ -776,6 +1126,7 @@ void TIntermediate::finalCheck(TInfoSink& infoSink, bool keepUncalled)
             error(infoSink, "post_depth_coverage requires early_fragment_tests");
         break;
     case EShLangCompute:
+        sharedBlockCheck(infoSink);
         break;
     case EShLangRayGen:
     case EShLangIntersect:
@@ -808,6 +1159,7 @@ void TIntermediate::finalCheck(TInfoSink& infoSink, bool keepUncalled)
     case EShLangTaskNV:
         if (numTaskNVBlocks > 1)
             error(infoSink, "Only one taskNV interface block is allowed per shader");
+        sharedBlockCheck(infoSink);
         break;
     default:
         error(infoSink, "Unknown Stage.");
@@ -1055,8 +1407,8 @@ bool TIntermediate::userOutputUsed() const
     return found;
 }
 
-// Accumulate locations used for inputs, outputs, and uniforms, and check for collisions
-// as the accumulation is done.
+// Accumulate locations used for inputs, outputs, and uniforms, payload and callable data
+// and check for collisions as the accumulation is done.
 //
 // Returns < 0 if no collision, >= 0 if collision and the value returned is a colliding value.
 //
@@ -1068,6 +1420,7 @@ int TIntermediate::addUsedLocation(const TQualifier& qualifier, const TType& typ
     typeCollision = false;
 
     int set;
+    int setRT;
     if (qualifier.isPipeInput())
         set = 0;
     else if (qualifier.isPipeOutput())
@@ -1076,11 +1429,17 @@ int TIntermediate::addUsedLocation(const TQualifier& qualifier, const TType& typ
         set = 2;
     else if (qualifier.storage == EvqBuffer)
         set = 3;
+    else if (qualifier.isAnyPayload())
+        setRT = 0;
+    else if (qualifier.isAnyCallable())
+        setRT = 1;
     else
         return -1;
 
     int size;
-    if (qualifier.isUniformOrBuffer() || qualifier.isTaskMemory()) {
+    if (qualifier.isAnyPayload() || qualifier.isAnyCallable()) {
+        size = 1;
+    } else if (qualifier.isUniformOrBuffer() || qualifier.isTaskMemory()) {
         if (type.isSizedArray())
             size = type.getCumulativeArraySize();
         else
@@ -1108,10 +1467,17 @@ int TIntermediate::addUsedLocation(const TQualifier& qualifier, const TType& typ
     // (A vertex shader input will show using only one location, even for a dvec3/4.)
     //
     // So, for the case of dvec3, we need two independent ioRanges.
-
+    //
+    // For raytracing IO (payloads and callabledata) each declaration occupies a single
+    // slot irrespective of type.
     int collision = -1; // no collision
 #ifndef GLSLANG_WEB
-    if (size == 2 && type.getBasicType() == EbtDouble && type.getVectorSize() == 3 &&
+    if (qualifier.isAnyPayload() || qualifier.isAnyCallable()) {
+        TRange range(qualifier.layoutLocation, qualifier.layoutLocation);
+        collision = checkLocationRT(setRT, qualifier.layoutLocation);
+        if (collision < 0)
+            usedIoRT[setRT].push_back(range);
+    } else if (size == 2 && type.getBasicType() == EbtDouble && type.getVectorSize() == 3 &&
         (qualifier.isPipeInput() || qualifier.isPipeOutput())) {
         // Dealing with dvec3 in/out split across two locations.
         // Need two io-ranges.
@@ -1187,6 +1553,16 @@ int TIntermediate::checkLocationRange(int set, const TIoRange& range, const TTyp
     return -1; // no collision
 }
 
+int TIntermediate::checkLocationRT(int set, int location) {
+    TRange range(location, location);
+    for (size_t r = 0; r < usedIoRT[set].size(); ++r) {
+        if (range.overlap(usedIoRT[set][r])) {
+            return range.start;
+        }
+    }
+    return -1; // no collision
+}
+
 // Accumulate bindings and offsets, and check for collisions
 // as the accumulation is done.
 //
@@ -1778,4 +2154,17 @@ int TIntermediate::computeBufferReferenceTypeSize(const TType& type)
     return size;
 }
 
+#ifndef GLSLANG_WEB
+bool TIntermediate::isIoResizeArray(const TType& type, EShLanguage language) {
+    return type.isArray() &&
+            ((language == EShLangGeometry    && type.getQualifier().storage == EvqVaryingIn) ||
+            (language == EShLangTessControl && type.getQualifier().storage == EvqVaryingOut &&
+                ! type.getQualifier().patch) ||
+            (language == EShLangFragment && type.getQualifier().storage == EvqVaryingIn &&
+                type.getQualifier().pervertexNV) ||
+            (language == EShLangMeshNV && type.getQualifier().storage == EvqVaryingOut &&
+                !type.getQualifier().perTaskNV));
+}
+#endif // not GLSLANG_WEB
+
 } // end namespace glslang

src/libraries/glslang/glslang/MachineIndependent/localintermediate.h

@@ -227,10 +227,10 @@ enum ComputeDerivativeMode {
 
 class TIdMaps {
 public:
-    TMap<TString, int>& operator[](int i) { return maps[i]; }
-    const TMap<TString, int>& operator[](int i) const { return maps[i]; }
+    TMap<TString, long long>& operator[](long long i) { return maps[i]; }
+    const TMap<TString, long long>& operator[](long long i) const { return maps[i]; }
 private:
-    TMap<TString, int> maps[EsiCount];
+    TMap<TString, long long> maps[EsiCount];
 };
 
 class TNumericFeatures {
@@ -259,6 +259,23 @@ private:
     unsigned int features;
 };
 
+// MustBeAssigned wraps a T, asserting that it has been assigned with 
+// operator =() before attempting to read with operator T() or operator ->().
+// Used to catch cases where fields are read before they have been assigned.
+template<typename T>
+class MustBeAssigned
+{
+public:
+    MustBeAssigned() = default;
+    MustBeAssigned(const T& v) : value(v) {}
+    operator const T&() const { assert(isSet); return value; }
+    const T* operator ->() const { assert(isSet); return &value; }
+    MustBeAssigned& operator = (const T& v) { value = v; isSet = true; return *this; } 
+private:
+    T value;
+    bool isSet = false;
+};
+
 //
 // Set of helper functions to help parse and build the tree.
 //
@@ -270,11 +287,18 @@ public:
         profile(p), version(v),
 #endif
         treeRoot(0),
+        resources(TBuiltInResource{}),
         numEntryPoints(0), numErrors(0), numPushConstants(0), recursive(false),
         invertY(false),
         useStorageBuffer(false),
         nanMinMaxClamp(false),
-        depthReplacing(false)
+        depthReplacing(false),
+        uniqueId(0),
+        globalUniformBlockName(""),
+        atomicCounterBlockName(""),
+        globalUniformBlockSet(TQualifier::layoutSetEnd),
+        globalUniformBlockBinding(TQualifier::layoutBindingEnd),
+        atomicCounterBlockSet(TQualifier::layoutSetEnd)
 #ifndef GLSLANG_WEB
         ,
         implicitThisName("@this"), implicitCounterName("@count"),
@@ -398,6 +422,9 @@ public:
     EShLanguage getStage() const { return language; }
     void addRequestedExtension(const char* extension) { requestedExtensions.insert(extension); }
     const std::set<std::string>& getRequestedExtensions() const { return requestedExtensions; }
+    bool isRayTracingStage() const {
+        return language >= EShLangRayGen && language <= EShLangCallableNV;
+    }
 
     void setTreeRoot(TIntermNode* r) { treeRoot = r; }
     TIntermNode* getTreeRoot() const { return treeRoot; }
@@ -406,6 +433,7 @@ public:
     int getNumErrors() const { return numErrors; }
     void addPushConstantCount() { ++numPushConstants; }
     void setLimits(const TBuiltInResource& r) { resources = r; }
+    const TBuiltInResource& getLimits() const { return resources; }
 
     bool postProcess(TIntermNode*, EShLanguage);
     void removeTree();
@@ -512,6 +540,20 @@ public:
     // Linkage related
     void addSymbolLinkageNodes(TIntermAggregate*& linkage, EShLanguage, TSymbolTable&);
     void addSymbolLinkageNode(TIntermAggregate*& linkage, const TSymbol&);
+    TIntermAggregate* findLinkerObjects() const;
+
+    void setGlobalUniformBlockName(const char* name) { globalUniformBlockName = std::string(name); }
+    const char* getGlobalUniformBlockName() const { return globalUniformBlockName.c_str(); }
+    void setGlobalUniformSet(unsigned int set) { globalUniformBlockSet = set; }
+    unsigned int getGlobalUniformSet() const { return globalUniformBlockSet; }
+    void setGlobalUniformBinding(unsigned int binding) { globalUniformBlockBinding = binding; }
+    unsigned int getGlobalUniformBinding() const { return globalUniformBlockBinding; }
+
+    void setAtomicCounterBlockName(const char* name) { atomicCounterBlockName = std::string(name); }
+    const char* getAtomicCounterBlockName() const { return atomicCounterBlockName.c_str(); }
+    void setAtomicCounterBlockSet(unsigned int set) { atomicCounterBlockSet = set; }
+    unsigned int getAtomicCounterBlockSet() const { return atomicCounterBlockSet; }
+
 
     void setUseStorageBuffer() { useStorageBuffer = true; }
     bool usingStorageBuffer() const { return useStorageBuffer; }
@@ -526,6 +568,11 @@ public:
         return true;
     }
     unsigned int getLocalSize(int dim) const { return localSize[dim]; }
+    bool isLocalSizeSet() const
+    {
+        // Return true if any component has been set (i.e. any component is not default).
+        return localSizeNotDefault[0] || localSizeNotDefault[1] || localSizeNotDefault[2];
+    }
     bool setLocalSizeSpecId(int dim, int id)
     {
         if (localSizeSpecId[dim] != TQualifier::layoutNotSet)
@@ -534,6 +581,13 @@ public:
         return true;
     }
     int getLocalSizeSpecId(int dim) const { return localSizeSpecId[dim]; }
+    bool isLocalSizeSpecialized() const
+    {
+        // Return true if any component has been specialized.
+        return localSizeSpecId[0] != TQualifier::layoutNotSet ||
+               localSizeSpecId[1] != TQualifier::layoutNotSet ||
+               localSizeSpecId[2] != TQualifier::layoutNotSet;
+    }
 #ifdef GLSLANG_WEB
     void output(TInfoSink&, bool tree) { }
 
@@ -812,6 +866,20 @@ public:
     bool getBinaryDoubleOutput() { return binaryDoubleOutput; }
 #endif // GLSLANG_WEB
 
+    void addBlockStorageOverride(const char* nameStr, TBlockStorageClass backing)
+    {
+        std::string name(nameStr);
+        blockBackingOverrides[name] = backing;
+    }
+    TBlockStorageClass getBlockStorageOverride(const char* nameStr) const
+    {
+        std::string name = nameStr;
+        auto pos = blockBackingOverrides.find(name);
+        if (pos == blockBackingOverrides.end())
+            return EbsNone;
+        else
+            return pos->second;
+    }
 #ifdef ENABLE_HLSL
     void setHlslFunctionality1() { hlslFunctionality1 = true; }
     bool getHlslFunctionality1() const { return hlslFunctionality1; }
@@ -835,10 +903,22 @@ public:
     bool usingHlslIoMapping() { return false; }
 #endif
 
+    bool usingScalarBlockLayout() const {
+        for (auto extIt = requestedExtensions.begin(); extIt != requestedExtensions.end(); ++extIt) {
+            if (*extIt == E_GL_EXT_scalar_block_layout)
+                return true;
+        }
+        return false;
+    }
+
     void addToCallGraph(TInfoSink&, const TString& caller, const TString& callee);
     void merge(TInfoSink&, TIntermediate&);
     void finalCheck(TInfoSink&, bool keepUncalled);
 
+    void mergeGlobalUniformBlocks(TInfoSink& infoSink, TIntermediate& unit, bool mergeExistingOnly);
+    void mergeUniformObjects(TInfoSink& infoSink, TIntermediate& unit);
+    void checkStageIO(TInfoSink&, TIntermediate&);
+
     bool buildConvertOp(TBasicType dst, TBasicType src, TOperator& convertOp) const;
     TIntermTyped* createConversion(TBasicType convertTo, TIntermTyped* node) const;
 
@@ -847,6 +927,7 @@ public:
 
     int addUsedLocation(const TQualifier&, const TType&, bool& typeCollision);
     int checkLocationRange(int set, const TIoRange& range, const TType&, bool& typeCollision);
+    int checkLocationRT(int set, int location);
     int addUsedOffsets(int binding, int offset, int numOffsets);
     bool addUsedConstantId(int id);
     static int computeTypeLocationSize(const TType&, EShLanguage);
@@ -861,6 +942,8 @@ public:
     static int getOffset(const TType& type, int index);
     static int getBlockSize(const TType& blockType);
     static int computeBufferReferenceTypeSize(const TType&);
+    static bool isIoResizeArray(const TType& type, EShLanguage language);
+
     bool promote(TIntermOperator*);
     void setNanMinMaxClamp(bool setting) { nanMinMaxClamp = setting; }
     bool getNanMinMaxClamp() const { return nanMinMaxClamp; }
@@ -879,6 +962,8 @@ public:
     void addProcess(const std::string& process) { processes.addProcess(process); }
     void addProcessArgument(const std::string& arg) { processes.addArgument(arg); }
     const std::vector<std::string>& getProcesses() const { return processes.getProcesses(); }
+    unsigned long long getUniqueId() const { return uniqueId; }
+    void setUniqueId(unsigned long long id) { uniqueId = id; }
 
     // Certain explicit conversions are allowed conditionally
 #ifdef GLSLANG_WEB
@@ -907,22 +992,23 @@ public:
 #endif
 
 protected:
-    TIntermSymbol* addSymbol(int Id, const TString&, const TType&, const TConstUnionArray&, TIntermTyped* subtree, const TSourceLoc&);
+    TIntermSymbol* addSymbol(long long Id, const TString&, const TType&, const TConstUnionArray&, TIntermTyped* subtree, const TSourceLoc&);
     void error(TInfoSink& infoSink, const char*);
     void warn(TInfoSink& infoSink, const char*);
     void mergeCallGraphs(TInfoSink&, TIntermediate&);
     void mergeModes(TInfoSink&, TIntermediate&);
     void mergeTrees(TInfoSink&, TIntermediate&);
-    void seedIdMap(TIdMaps& idMaps, int& maxId);
-    void remapIds(const TIdMaps& idMaps, int idShift, TIntermediate&);
+    void seedIdMap(TIdMaps& idMaps, long long& IdShift);
+    void remapIds(const TIdMaps& idMaps, long long idShift, TIntermediate&);
     void mergeBodies(TInfoSink&, TIntermSequence& globals, const TIntermSequence& unitGlobals);
-    void mergeLinkerObjects(TInfoSink&, TIntermSequence& linkerObjects, const TIntermSequence& unitLinkerObjects);
+    void mergeLinkerObjects(TInfoSink&, TIntermSequence& linkerObjects, const TIntermSequence& unitLinkerObjects, EShLanguage);
+    void mergeBlockDefinitions(TInfoSink&, TIntermSymbol* block, TIntermSymbol* unitBlock, TIntermediate* unitRoot);
     void mergeImplicitArraySizes(TType&, const TType&);
-    void mergeErrorCheck(TInfoSink&, const TIntermSymbol&, const TIntermSymbol&, bool crossStage);
+    void mergeErrorCheck(TInfoSink&, const TIntermSymbol&, const TIntermSymbol&, EShLanguage);
     void checkCallGraphCycles(TInfoSink&);
     void checkCallGraphBodies(TInfoSink&, bool keepUncalled);
     void inOutLocationCheck(TInfoSink&);
-    TIntermAggregate* findLinkerObjects() const;
+    void sharedBlockCheck(TInfoSink&);
     bool userOutputUsed() const;
     bool isSpecializationOperation(const TIntermOperator&) const;
     bool isNonuniformPropagating(TOperator) const;
@@ -955,7 +1041,7 @@ protected:
     SpvVersion spvVersion;
     TIntermNode* treeRoot;
     std::set<std::string> requestedExtensions;  // cumulation of all enabled or required extensions; not connected to what subset of the shader used them
-    TBuiltInResource resources;
+    MustBeAssigned<TBuiltInResource> resources;
     int numEntryPoints;
     int numErrors;
     int numPushConstants;
@@ -967,6 +1053,14 @@ protected:
     int localSize[3];
     bool localSizeNotDefault[3];
     int localSizeSpecId[3];
+    unsigned long long uniqueId;
+
+    std::string globalUniformBlockName;
+    std::string atomicCounterBlockName;
+    unsigned int globalUniformBlockSet;
+    unsigned int globalUniformBlockBinding;
+    unsigned int atomicCounterBlockSet;
+
 #ifndef GLSLANG_WEB
 public:
     const char* const implicitThisName;
@@ -1027,10 +1121,13 @@ protected:
     int uniformLocationBase;
     TNumericFeatures numericFeatures;
 #endif
+    std::unordered_map<std::string, TBlockStorageClass> blockBackingOverrides;
 
     std::unordered_set<int> usedConstantId; // specialization constant ids used
     std::vector<TOffsetRange> usedAtomics;  // sets of bindings used by atomic counters
     std::vector<TIoRange> usedIo[4];        // sets of used locations, one for each of in, out, uniform, and buffers
+    std::vector<TRange> usedIoRT[2];        // sets of used location, one for rayPayload/rayPayloadIN and other
+                                            // for callableData/callableDataIn
     // set of names of statically read/written I/O that might need extra checking
     std::set<TString> ioAccessed;
     // source code of shader, useful as part of debug information

src/libraries/glslang/glslang/MachineIndependent/preprocessor/Pp.cpp

@@ -455,6 +455,7 @@ int TPpContext::eval(int token, int precedence, bool shortCircuit, int& res, boo
                 token = scanToken(ppToken);
             }
         } else {
+            token = tokenPaste(token, *ppToken);
             token = evalToToken(token, shortCircuit, res, err, ppToken);
             return eval(token, precedence, shortCircuit, res, err, ppToken);
         }

src/libraries/glslang/glslang/MachineIndependent/reflection.cpp

@@ -658,14 +658,17 @@ public:
 
                 blocks.back().numMembers = countAggregateMembers(type);
 
-                EShLanguageMask& stages = blocks.back().stages;
-                stages = static_cast<EShLanguageMask>(stages | 1 << intermediate.getStage());
+                if (updateStageMasks) {
+                    EShLanguageMask& stages = blocks.back().stages;
+                    stages = static_cast<EShLanguageMask>(stages | 1 << intermediate.getStage());
+                }
             }
             else {
                 blockIndex = it->second;
-
-                EShLanguageMask& stages = blocks[blockIndex].stages;
-                stages = static_cast<EShLanguageMask>(stages | 1 << intermediate.getStage());
+                if (updateStageMasks) {
+                    EShLanguageMask& stages = blocks[blockIndex].stages;
+                    stages = static_cast<EShLanguageMask>(stages | 1 << intermediate.getStage());
+                }
             }
         }
 
@@ -904,8 +907,8 @@ public:
             case EbtFloat16:    return GL_FLOAT16_VEC2_NV             + offset;
             case EbtInt:        return GL_INT_VEC2                    + offset;
             case EbtUint:       return GL_UNSIGNED_INT_VEC2           + offset;
-            case EbtInt64:      return GL_INT64_ARB                   + offset;
-            case EbtUint64:     return GL_UNSIGNED_INT64_ARB          + offset;
+            case EbtInt64:      return GL_INT64_VEC2_ARB              + offset;
+            case EbtUint64:     return GL_UNSIGNED_INT64_VEC2_ARB     + offset;
             case EbtBool:       return GL_BOOL_VEC2                   + offset;
             case EbtAtomicUint: return GL_UNSIGNED_INT_ATOMIC_COUNTER + offset;
             default:            return 0;
@@ -1135,6 +1138,8 @@ void TReflection::buildCounterIndices(const TIntermediate& intermediate)
         if (index >= 0)
             indexToUniformBlock[i].counterIndex = index;
     }
+#else
+    (void)intermediate;
 #endif
 }
 

src/libraries/glslang/glslang/Public/ShaderLang.h

@@ -167,7 +167,7 @@ typedef enum {
     EShTargetVulkan_1_1 = (1 << 22) | (1 << 12),      // Vulkan 1.1
     EShTargetVulkan_1_2 = (1 << 22) | (2 << 12),      // Vulkan 1.2
     EShTargetOpenGL_450 = 450,                        // OpenGL
-    LAST_ELEMENT_MARKER(EShTargetClientVersionCount),
+    LAST_ELEMENT_MARKER(EShTargetClientVersionCount = 4),
 } EShTargetClientVersion;
 
 typedef EShTargetClientVersion EshTargetClientVersion;
@@ -179,7 +179,7 @@ typedef enum {
     EShTargetSpv_1_3 = (1 << 16) | (3 << 8),          // SPIR-V 1.3
     EShTargetSpv_1_4 = (1 << 16) | (4 << 8),          // SPIR-V 1.4
     EShTargetSpv_1_5 = (1 << 16) | (5 << 8),          // SPIR-V 1.5
-    LAST_ELEMENT_MARKER(EShTargetLanguageVersionCount),
+    LAST_ELEMENT_MARKER(EShTargetLanguageVersionCount = 6),
 } EShTargetLanguageVersion;
 
 struct TInputLanguage {
@@ -187,6 +187,7 @@ struct TInputLanguage {
     EShLanguage stage;        // redundant information with other input, this one overrides when not EShSourceNone
     EShClient dialect;
     int dialectVersion;       // version of client's language definition, not the client (when not EShClientNone)
+    bool vulkanRulesRelaxed;
 };
 
 struct TClient {
@@ -427,6 +428,14 @@ enum TResourceType {
     EResCount
 };
 
+enum TBlockStorageClass
+{
+    EbsUniform = 0,
+    EbsStorageBuffer,
+    EbsPushConstant,
+    EbsNone,    // not a uniform or buffer variable
+    EbsCount,
+};
 
 // Make one TShader per shader that you will link into a program. Then
 //  - provide the shader through setStrings() or setStringsWithLengths()
@@ -458,6 +467,7 @@ public:
     GLSLANG_EXPORT void setEntryPoint(const char* entryPoint);
     GLSLANG_EXPORT void setSourceEntryPoint(const char* sourceEntryPointName);
     GLSLANG_EXPORT void addProcesses(const std::vector<std::string>&);
+    GLSLANG_EXPORT void setUniqueId(unsigned long long id);
 
     // IO resolver binding data: see comments in ShaderLang.cpp
     GLSLANG_EXPORT void setShiftBinding(TResourceType res, unsigned int base);
@@ -482,6 +492,14 @@ public:
     GLSLANG_EXPORT void setNoStorageFormat(bool useUnknownFormat);
     GLSLANG_EXPORT void setNanMinMaxClamp(bool nanMinMaxClamp);
     GLSLANG_EXPORT void setTextureSamplerTransformMode(EShTextureSamplerTransformMode mode);
+    GLSLANG_EXPORT void addBlockStorageOverride(const char* nameStr, glslang::TBlockStorageClass backing);
+
+    GLSLANG_EXPORT void setGlobalUniformBlockName(const char* name);
+    GLSLANG_EXPORT void setAtomicCounterBlockName(const char* name);
+    GLSLANG_EXPORT void setGlobalUniformSet(unsigned int set);
+    GLSLANG_EXPORT void setGlobalUniformBinding(unsigned int binding);
+    GLSLANG_EXPORT void setAtomicCounterBlockSet(unsigned int set);
+    GLSLANG_EXPORT void setAtomicCounterBlockBinding(unsigned int binding);
 
     // For setting up the environment (cleared to nothingness in the constructor).
     // These must be called so that parsing is done for the right source language and
@@ -538,6 +556,9 @@ public:
     bool getEnvTargetHlslFunctionality1() const { return false; }
 #endif
 
+    void setEnvInputVulkanRulesRelaxed() { environment.input.vulkanRulesRelaxed = true; }
+    bool getEnvInputVulkanRulesRelaxed() const { return environment.input.vulkanRulesRelaxed; }
+
     // Interface to #include handlers.
     //
     // To support #include, a client of Glslang does the following:
@@ -805,7 +826,7 @@ public:
     // Called by TSlotCollector to resolve resource locations or bindings
     virtual void reserverResourceSlot(TVarEntryInfo& ent, TInfoSink& infoSink) = 0;
     // Called by mapIO.addStage to set shader stage mask to mark a stage be added to this pipeline
-    virtual void addStage(EShLanguage stage) = 0;
+    virtual void addStage(EShLanguage stage, TIntermediate& stageIntermediate) = 0;
 };
 
 #endif // !GLSLANG_WEB && !GLSLANG_ANGLE
@@ -927,6 +948,7 @@ public:
 
 protected:
     GLSLANG_EXPORT bool linkStage(EShLanguage, EShMessages);
+    GLSLANG_EXPORT bool crossStageCheck(EShMessages);
 
     TPoolAllocator* pool;
     std::list<TShader*> stages[EShLangCount];