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metal: error when generated SPIR-V shader IR can't be parsed
This commit is contained in:
Sasha Szpakowski
@@ -30,6 +30,7 @@
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#include "libraries/spirv_cross/spirv_reflect.hpp"
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#include <algorithm>
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#include <memory>
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namespace love
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{
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@@ -456,277 +457,281 @@ void Shader::compileFromGLSLang(id<MTLDevice> device, const glslang::TProgram &p
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std::string msgs = logger.getAllMessages();
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// printf("spirv length: %ld, messages:\n%s\n", spirv.size(), msgs.c_str());
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// printf("GLSL INPUT SOURCE:\n\n%s\n\n", pixel->getSource().c_str());
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std::unique_ptr<CompilerMSL> mslpointer;
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try
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{
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// printf("GLSL INPUT SOURCE:\n\n%s\n\n", pixel->getSource().c_str());
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CompilerMSL msl(std::move(spirv));
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auto interfacevars = msl.get_active_interface_variables();
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msl.set_enabled_interface_variables(interfacevars);
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ShaderResources resources = msl.get_shader_resources();
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for (const auto &resource : resources.storage_images)
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{
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addImage(msl, resource, UNIFORM_STORAGETEXTURE);
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}
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for (const auto &resource : resources.sampled_images)
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{
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addImage(msl, resource, UNIFORM_SAMPLER);
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}
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for (const auto &resource : resources.uniform_buffers)
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{
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MSLResourceBinding binding;
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binding.stage = msl.get_execution_model();
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binding.binding = msl.get_decoration(resource.id, spv::DecorationBinding);
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binding.desc_set = msl.get_decoration(resource.id, spv::DecorationDescriptorSet);
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if (resource.name == "gl_DefaultUniformBlock")
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{
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binding.msl_buffer = getUniformBufferBinding();
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msl.add_msl_resource_binding(binding);
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const SPIRType &type = msl.get_type(resource.base_type_id);
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size_t size = msl.get_declared_struct_size(type);
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if (localUniformBufferSize != 0)
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{
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if (localUniformBufferSize != size)
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throw love::Exception("Local uniform buffer size mismatch");
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continue;
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}
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localUniformStagingData = new uint8[size];
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localUniformBufferData = new uint8[size];
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localUniformBufferSize = size;
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memset(localUniformStagingData, 0, size);
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memset(localUniformBufferData, 0, size);
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std::string basename("");
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buildLocalUniforms(msl, type, 0, basename);
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}
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else
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{
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binding.msl_buffer = metalBufferIndices[stageindex]++;
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msl.add_msl_resource_binding(binding);
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}
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}
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for (const auto &resource : resources.storage_buffers)
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{
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MSLResourceBinding binding;
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binding.stage = msl.get_execution_model();
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binding.binding = msl.get_decoration(resource.id, spv::DecorationBinding);
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binding.desc_set = msl.get_decoration(resource.id, spv::DecorationDescriptorSet);
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binding.msl_buffer = metalBufferIndices[stageindex]++;
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msl.add_msl_resource_binding(binding);
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auto it = uniforms.find(resource.name);
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if (it != uniforms.end())
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continue;
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const SPIRType &type = msl.get_type(resource.type_id);
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UniformInfo u = {};
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u.baseType = UNIFORM_STORAGEBUFFER;
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u.components = 1;
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u.name = resource.name;
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u.count = type.array.empty() ? 1 : type.array[0];
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if (!fillUniformReflectionData(u))
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continue;
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u.buffers = new love::graphics::Buffer*[u.count];
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u.dataSize = sizeof(int) * u.count;
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u.data = malloc(u.dataSize);
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for (int i = 0; i < u.count; i++)
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{
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u.ints[i] = -1; // Initialized below, after compiling.
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u.buffers[i] = nullptr;
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}
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uniforms[u.name] = u;
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}
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if (stageindex == SHADERSTAGE_VERTEX)
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{
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int nextattributeindex = ATTRIB_MAX_ENUM;
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for (const auto &var : interfacevars)
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{
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spv::StorageClass storage = msl.get_storage_class(var);
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const std::string &name = msl.get_name(var);
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if (storage == spv::StorageClassInput)
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{
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int index = 0;
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BuiltinVertexAttribute builtinattribute;
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if (graphics::getConstant(name.c_str(), builtinattribute))
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index = (int) builtinattribute;
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else
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index = nextattributeindex++;
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msl.set_decoration(var, spv::DecorationLocation, index);
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attributes[name] = msl.get_decoration(var, spv::DecorationLocation);
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}
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}
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for (const auto &varying : resources.stage_outputs)
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{
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// printf("vertex shader output %s: %d\n", inp.name.c_str(), msl.get_decoration(inp.id, spv::DecorationLocation));
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varyings[varying.name] = nextVaryingLocation;
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msl.set_decoration(varying.id, spv::DecorationLocation, nextVaryingLocation++);
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}
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}
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else if (stageindex == SHADERSTAGE_PIXEL)
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{
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for (const auto &varying : resources.stage_inputs)
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{
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const auto it = varyings.find(varying.name);
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if (it != varyings.end())
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msl.set_decoration(varying.id, spv::DecorationLocation, it->second);
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}
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}
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CompilerMSL::Options options;
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options.set_msl_version(2, 1);
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options.texture_buffer_native = true;
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#ifdef LOVE_IOS
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options.platform = CompilerMSL::Options::iOS;
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#else
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options.platform = CompilerMSL::Options::macOS;
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#endif
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msl.set_msl_options(options);
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std::string source = msl.compile();
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// printf("// MSL SOURCE for stage %d:\n\n%s\n\n", stageindex, source.c_str());
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NSString *nssource = [[NSString alloc] initWithBytes:source.c_str()
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length:source.length()
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encoding:NSUTF8StringEncoding];
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MTLCompileOptions *opts = [MTLCompileOptions new];
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// Silences warning. We already only use metal on these OS versions.
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if (@available(macOS 10.14, iOS 12.0, *))
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opts.languageVersion = MTLLanguageVersion2_1;
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NSError *err = nil;
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id<MTLLibrary> library = [device newLibraryWithSource:nssource options:opts error:&err];
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if (library == nil && err != nil)
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{
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NSLog(@"errors: %@", err);
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throw love::Exception("Error compiling converted Metal shader code");
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}
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functions[stageindex] = [library newFunctionWithName:library.functionNames[0]];
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std::string debugname = getShaderStageDebugName((ShaderStageType)stageindex);
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if (!debugname.empty())
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functions[stageindex].label = @(debugname.c_str());
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auto setTextureBinding = [this](CompilerMSL &msl, int stageindex, const spirv_cross::Resource &resource) -> void
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{
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auto it = uniforms.find(resource.name);
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if (it == uniforms.end())
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return;
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UniformInfo &u = it->second;
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uint32 texturebinding = msl.get_automatic_msl_resource_binding(resource.id);
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uint32 samplerbinding = msl.get_automatic_msl_resource_binding_secondary(resource.id);
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if (texturebinding == (uint32)-1)
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{
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// No valid binding, the uniform was likely optimized out because it's not used.
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uniforms.erase(resource.name);
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return;
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}
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for (int i = 0; i < u.count; i++)
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{
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if (u.ints[i] == -1)
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{
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u.ints[i] = (int)textureBindings.size();
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TextureBinding b = {};
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b.access = u.access;
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if (u.baseType == UNIFORM_SAMPLER)
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{
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BuiltinUniform builtin = BUILTIN_MAX_ENUM;
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if (getConstant(u.name.c_str(), builtin) && builtin == BUILTIN_TEXTURE_MAIN)
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b.isMainTexture = true;
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}
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for (uint8 &stagebinding : b.textureStages)
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stagebinding = LOVE_UINT8_MAX;
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for (uint8 &stagebinding : b.samplerStages)
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stagebinding = LOVE_UINT8_MAX;
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textureBindings.push_back(b);
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}
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auto &b = textureBindings[u.ints[i]];
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b.textureStages[stageindex] = (uint8) texturebinding;
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b.samplerStages[stageindex] = (uint8) samplerbinding;
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}
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};
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for (const auto &resource : resources.sampled_images)
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{
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setTextureBinding(msl, stageindex, resource);
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}
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for (const auto &resource : resources.storage_images)
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{
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setTextureBinding(msl, stageindex, resource);
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}
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for (const auto &resource : resources.storage_buffers)
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{
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auto it = uniforms.find(resource.name);
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if (it == uniforms.end())
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continue;
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UniformInfo &u = it->second;
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uint32 bufferbinding = msl.get_automatic_msl_resource_binding(resource.id);
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if (bufferbinding == (uint32)-1)
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{
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// No valid binding, the uniform was likely optimized out because it's not used.
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uniforms.erase(resource.name);
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continue;
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}
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for (int i = 0; i < u.count; i++)
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{
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if (u.ints[i] == -1)
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{
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u.ints[i] = (int)bufferBindings.size();
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BufferBinding b = {};
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b.access = u.access;
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for (uint8 &stagebinding : b.stages)
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stagebinding = LOVE_UINT8_MAX;
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bufferBindings.push_back(b);
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}
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bufferBindings[u.ints[i]].stages[stageindex] = (uint8) bufferbinding;
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}
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}
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mslpointer.reset(new CompilerMSL(std::move(spirv)));
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}
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catch (std::exception &e)
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{
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printf("Error parsing SPIR-V shader source: %s\n", e.what());
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throw love::Exception("Error parsing SPIR-V shader source: %s", e.what());
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}
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auto &msl = *mslpointer;
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auto interfacevars = msl.get_active_interface_variables();
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msl.set_enabled_interface_variables(interfacevars);
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ShaderResources resources = msl.get_shader_resources();
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for (const auto &resource : resources.storage_images)
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{
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addImage(msl, resource, UNIFORM_STORAGETEXTURE);
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}
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for (const auto &resource : resources.sampled_images)
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{
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addImage(msl, resource, UNIFORM_SAMPLER);
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}
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for (const auto &resource : resources.uniform_buffers)
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{
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MSLResourceBinding binding;
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binding.stage = msl.get_execution_model();
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binding.binding = msl.get_decoration(resource.id, spv::DecorationBinding);
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binding.desc_set = msl.get_decoration(resource.id, spv::DecorationDescriptorSet);
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if (resource.name == "gl_DefaultUniformBlock")
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{
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binding.msl_buffer = getUniformBufferBinding();
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msl.add_msl_resource_binding(binding);
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const SPIRType &type = msl.get_type(resource.base_type_id);
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size_t size = msl.get_declared_struct_size(type);
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if (localUniformBufferSize != 0)
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{
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if (localUniformBufferSize != size)
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throw love::Exception("Local uniform buffer size mismatch");
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continue;
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}
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localUniformStagingData = new uint8[size];
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localUniformBufferData = new uint8[size];
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localUniformBufferSize = size;
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memset(localUniformStagingData, 0, size);
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memset(localUniformBufferData, 0, size);
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std::string basename("");
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buildLocalUniforms(msl, type, 0, basename);
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}
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else
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{
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binding.msl_buffer = metalBufferIndices[stageindex]++;
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msl.add_msl_resource_binding(binding);
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}
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}
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for (const auto &resource : resources.storage_buffers)
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{
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MSLResourceBinding binding;
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binding.stage = msl.get_execution_model();
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binding.binding = msl.get_decoration(resource.id, spv::DecorationBinding);
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binding.desc_set = msl.get_decoration(resource.id, spv::DecorationDescriptorSet);
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binding.msl_buffer = metalBufferIndices[stageindex]++;
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msl.add_msl_resource_binding(binding);
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auto it = uniforms.find(resource.name);
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if (it != uniforms.end())
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continue;
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const SPIRType &type = msl.get_type(resource.type_id);
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UniformInfo u = {};
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u.baseType = UNIFORM_STORAGEBUFFER;
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u.components = 1;
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u.name = resource.name;
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u.count = type.array.empty() ? 1 : type.array[0];
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if (!fillUniformReflectionData(u))
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continue;
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u.buffers = new love::graphics::Buffer*[u.count];
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u.dataSize = sizeof(int) * u.count;
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u.data = malloc(u.dataSize);
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for (int i = 0; i < u.count; i++)
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{
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u.ints[i] = -1; // Initialized below, after compiling.
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u.buffers[i] = nullptr;
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}
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uniforms[u.name] = u;
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}
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if (stageindex == SHADERSTAGE_VERTEX)
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{
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int nextattributeindex = ATTRIB_MAX_ENUM;
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for (const auto &var : interfacevars)
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{
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spv::StorageClass storage = msl.get_storage_class(var);
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const std::string &name = msl.get_name(var);
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if (storage == spv::StorageClassInput)
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{
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int index = 0;
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BuiltinVertexAttribute builtinattribute;
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if (graphics::getConstant(name.c_str(), builtinattribute))
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index = (int) builtinattribute;
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else
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index = nextattributeindex++;
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msl.set_decoration(var, spv::DecorationLocation, index);
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attributes[name] = msl.get_decoration(var, spv::DecorationLocation);
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}
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}
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for (const auto &varying : resources.stage_outputs)
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{
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// printf("vertex shader output %s: %d\n", inp.name.c_str(), msl.get_decoration(inp.id, spv::DecorationLocation));
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varyings[varying.name] = nextVaryingLocation;
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msl.set_decoration(varying.id, spv::DecorationLocation, nextVaryingLocation++);
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}
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}
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else if (stageindex == SHADERSTAGE_PIXEL)
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{
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for (const auto &varying : resources.stage_inputs)
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{
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const auto it = varyings.find(varying.name);
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if (it != varyings.end())
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msl.set_decoration(varying.id, spv::DecorationLocation, it->second);
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}
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}
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CompilerMSL::Options options;
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options.set_msl_version(2, 1);
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options.texture_buffer_native = true;
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#ifdef LOVE_IOS
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options.platform = CompilerMSL::Options::iOS;
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#else
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options.platform = CompilerMSL::Options::macOS;
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#endif
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msl.set_msl_options(options);
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std::string source = msl.compile();
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// printf("// MSL SOURCE for stage %d:\n\n%s\n\n", stageindex, source.c_str());
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NSString *nssource = [[NSString alloc] initWithBytes:source.c_str()
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length:source.length()
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encoding:NSUTF8StringEncoding];
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MTLCompileOptions *opts = [MTLCompileOptions new];
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// Silences warning. We already only use metal on these OS versions.
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if (@available(macOS 10.14, iOS 12.0, *))
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opts.languageVersion = MTLLanguageVersion2_1;
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NSError *err = nil;
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id<MTLLibrary> library = [device newLibraryWithSource:nssource options:opts error:&err];
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if (library == nil && err != nil)
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{
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NSLog(@"errors: %@", err);
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throw love::Exception("Error compiling converted Metal shader code");
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}
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||||
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functions[stageindex] = [library newFunctionWithName:library.functionNames[0]];
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std::string debugname = getShaderStageDebugName((ShaderStageType)stageindex);
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if (!debugname.empty())
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functions[stageindex].label = @(debugname.c_str());
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auto setTextureBinding = [this](CompilerMSL &msl, int stageindex, const spirv_cross::Resource &resource) -> void
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||||
{
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auto it = uniforms.find(resource.name);
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if (it == uniforms.end())
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return;
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UniformInfo &u = it->second;
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||||
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uint32 texturebinding = msl.get_automatic_msl_resource_binding(resource.id);
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uint32 samplerbinding = msl.get_automatic_msl_resource_binding_secondary(resource.id);
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if (texturebinding == (uint32)-1)
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||||
{
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||||
// No valid binding, the uniform was likely optimized out because it's not used.
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||||
uniforms.erase(resource.name);
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return;
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||||
}
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||||
|
||||
for (int i = 0; i < u.count; i++)
|
||||
{
|
||||
if (u.ints[i] == -1)
|
||||
{
|
||||
u.ints[i] = (int)textureBindings.size();
|
||||
TextureBinding b = {};
|
||||
b.access = u.access;
|
||||
|
||||
if (u.baseType == UNIFORM_SAMPLER)
|
||||
{
|
||||
BuiltinUniform builtin = BUILTIN_MAX_ENUM;
|
||||
if (getConstant(u.name.c_str(), builtin) && builtin == BUILTIN_TEXTURE_MAIN)
|
||||
b.isMainTexture = true;
|
||||
}
|
||||
|
||||
for (uint8 &stagebinding : b.textureStages)
|
||||
stagebinding = LOVE_UINT8_MAX;
|
||||
for (uint8 &stagebinding : b.samplerStages)
|
||||
stagebinding = LOVE_UINT8_MAX;
|
||||
|
||||
textureBindings.push_back(b);
|
||||
}
|
||||
|
||||
auto &b = textureBindings[u.ints[i]];
|
||||
b.textureStages[stageindex] = (uint8) texturebinding;
|
||||
b.samplerStages[stageindex] = (uint8) samplerbinding;
|
||||
}
|
||||
};
|
||||
|
||||
for (const auto &resource : resources.sampled_images)
|
||||
{
|
||||
setTextureBinding(msl, stageindex, resource);
|
||||
}
|
||||
|
||||
for (const auto &resource : resources.storage_images)
|
||||
{
|
||||
setTextureBinding(msl, stageindex, resource);
|
||||
}
|
||||
|
||||
for (const auto &resource : resources.storage_buffers)
|
||||
{
|
||||
auto it = uniforms.find(resource.name);
|
||||
if (it == uniforms.end())
|
||||
continue;
|
||||
|
||||
UniformInfo &u = it->second;
|
||||
|
||||
uint32 bufferbinding = msl.get_automatic_msl_resource_binding(resource.id);
|
||||
if (bufferbinding == (uint32)-1)
|
||||
{
|
||||
// No valid binding, the uniform was likely optimized out because it's not used.
|
||||
uniforms.erase(resource.name);
|
||||
continue;
|
||||
}
|
||||
|
||||
for (int i = 0; i < u.count; i++)
|
||||
{
|
||||
if (u.ints[i] == -1)
|
||||
{
|
||||
u.ints[i] = (int)bufferBindings.size();
|
||||
BufferBinding b = {};
|
||||
b.access = u.access;
|
||||
|
||||
for (uint8 &stagebinding : b.stages)
|
||||
stagebinding = LOVE_UINT8_MAX;
|
||||
|
||||
bufferBindings.push_back(b);
|
||||
}
|
||||
|
||||
bufferBindings[u.ints[i]].stages[stageindex] = (uint8) bufferbinding;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user