Update spirv-cross

This commit is contained in:
Alex Szpakowski
2021-12-26 12:54:35 -04:00
parent 045f5ff0a5
commit ca9b9ba91f
32 changed files with 3683 additions and 1448 deletions
+49 -15
View File
@@ -1,5 +1,6 @@
/*
* Copyright 2015-2021 Arm Limited
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -18,7 +19,6 @@
* At your option, you may choose to accept this material under either:
* 1. The Apache License, Version 2.0, found at <http://www.apache.org/licenses/LICENSE-2.0>, or
* 2. The MIT License, found at <http://opensource.org/licenses/MIT>.
* SPDX-License-Identifier: Apache-2.0 OR MIT.
*/
#ifndef SPIRV_CROSS_GLSL_HPP
@@ -65,7 +65,8 @@ enum AccessChainFlagBits
ACCESS_CHAIN_PTR_CHAIN_BIT = 1 << 2,
ACCESS_CHAIN_SKIP_REGISTER_EXPRESSION_READ_BIT = 1 << 3,
ACCESS_CHAIN_LITERAL_MSB_FORCE_ID = 1 << 4,
ACCESS_CHAIN_FLATTEN_ALL_MEMBERS_BIT = 1 << 5
ACCESS_CHAIN_FLATTEN_ALL_MEMBERS_BIT = 1 << 5,
ACCESS_CHAIN_FORCE_COMPOSITE_BIT = 1 << 6
};
typedef uint32_t AccessChainFlags;
@@ -132,6 +133,9 @@ public:
// what happens on legacy GLSL targets for blocks and structs.
bool force_flattened_io_blocks = false;
// If non-zero, controls layout(num_views = N) in; in GL_OVR_multiview2.
uint32_t ovr_multiview_view_count = 0;
enum Precision
{
DontCare,
@@ -177,7 +181,8 @@ public:
// Redirect a subpassInput reading from input_attachment_index to instead load its value from
// the color attachment at location = color_location. Requires ESSL.
void remap_ext_framebuffer_fetch(uint32_t input_attachment_index, uint32_t color_location);
// If coherent, uses GL_EXT_shader_framebuffer_fetch, if not, uses noncoherent variant.
void remap_ext_framebuffer_fetch(uint32_t input_attachment_index, uint32_t color_location, bool coherent);
explicit CompilerGLSL(std::vector<uint32_t> spirv_)
: Compiler(std::move(spirv_))
@@ -250,6 +255,16 @@ public:
// - Images which are statically used at least once with Dref opcodes.
bool variable_is_depth_or_compare(VariableID id) const;
// If a shader output is active in this stage, but inactive in a subsequent stage,
// this can be signalled here. This can be used to work around certain cross-stage matching problems
// which plagues MSL and HLSL in certain scenarios.
// An output which matches one of these will not be emitted in stage output interfaces, but rather treated as a private
// variable.
// This option is only meaningful for MSL and HLSL, since GLSL matches by location directly.
// Masking builtins only takes effect if the builtin in question is part of the stage output interface.
void mask_stage_output_by_location(uint32_t location, uint32_t component);
void mask_stage_output_by_builtin(spv::BuiltIn builtin);
protected:
struct ShaderSubgroupSupportHelper
{
@@ -371,10 +386,11 @@ protected:
virtual void emit_struct_padding_target(const SPIRType &type);
virtual std::string image_type_glsl(const SPIRType &type, uint32_t id = 0);
std::string constant_expression(const SPIRConstant &c);
std::string constant_op_expression(const SPIRConstantOp &cop);
virtual std::string constant_op_expression(const SPIRConstantOp &cop);
virtual std::string constant_expression_vector(const SPIRConstant &c, uint32_t vector);
virtual void emit_fixup();
virtual std::string variable_decl(const SPIRType &type, const std::string &name, uint32_t id = 0);
virtual bool variable_decl_is_remapped_storage(const SPIRVariable &var, spv::StorageClass storage) const;
virtual std::string to_func_call_arg(const SPIRFunction::Parameter &arg, uint32_t id);
struct TextureFunctionBaseArguments
@@ -569,13 +585,15 @@ protected:
bool use_array_constructor = false;
bool needs_row_major_load_workaround = false;
bool support_pointer_to_pointer = false;
bool support_precise_qualifier = false;
bool support_64bit_switch = false;
} backend;
void emit_struct(SPIRType &type);
void emit_resources();
void emit_extension_workarounds(spv::ExecutionModel model);
void emit_buffer_block_native(const SPIRVariable &var);
void emit_buffer_reference_block(SPIRType &type, bool forward_declaration);
void emit_buffer_reference_block(uint32_t type_id, bool forward_declaration);
void emit_buffer_block_legacy(const SPIRVariable &var);
void emit_buffer_block_flattened(const SPIRVariable &type);
void fixup_implicit_builtin_block_names();
@@ -616,6 +634,8 @@ protected:
void emit_trinary_func_op(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, uint32_t op2,
const char *op);
void emit_binary_func_op(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, const char *op);
void emit_atomic_func_op(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, const char *op);
void emit_atomic_func_op(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, uint32_t op2, const char *op);
void emit_unary_func_op_cast(uint32_t result_type, uint32_t result_id, uint32_t op0, const char *op,
SPIRType::BaseType input_type, SPIRType::BaseType expected_result_type);
@@ -661,6 +681,9 @@ protected:
std::string access_chain_internal(uint32_t base, const uint32_t *indices, uint32_t count, AccessChainFlags flags,
AccessChainMeta *meta);
spv::StorageClass get_expression_effective_storage_class(uint32_t ptr);
virtual bool access_chain_needs_stage_io_builtin_translation(uint32_t base);
virtual void prepare_access_chain_for_scalar_access(std::string &expr, const SPIRType &type,
spv::StorageClass storage, bool &is_packed);
@@ -691,6 +714,7 @@ protected:
void emit_uninitialized_temporary(uint32_t type, uint32_t id);
SPIRExpression &emit_uninitialized_temporary_expression(uint32_t type, uint32_t id);
void append_global_func_args(const SPIRFunction &func, uint32_t index, SmallVector<std::string> &arglist);
std::string to_non_uniform_aware_expression(uint32_t id);
std::string to_expression(uint32_t id, bool register_expression_read = true);
std::string to_composite_constructor_expression(uint32_t id, bool uses_buffer_offset);
std::string to_rerolled_array_expression(const std::string &expr, const SPIRType &type);
@@ -716,17 +740,17 @@ protected:
virtual std::string to_qualifiers_glsl(uint32_t id);
void fixup_io_block_patch_qualifiers(const SPIRVariable &var);
void emit_output_variable_initializer(const SPIRVariable &var);
const char *to_precision_qualifiers_glsl(uint32_t id);
std::string to_precision_qualifiers_glsl(uint32_t id);
virtual const char *to_storage_qualifiers_glsl(const SPIRVariable &var);
const char *flags_to_qualifiers_glsl(const SPIRType &type, const Bitset &flags);
std::string flags_to_qualifiers_glsl(const SPIRType &type, const Bitset &flags);
const char *format_to_glsl(spv::ImageFormat format);
virtual std::string layout_for_member(const SPIRType &type, uint32_t index);
virtual std::string to_interpolation_qualifiers(const Bitset &flags);
std::string layout_for_variable(const SPIRVariable &variable);
std::string to_combined_image_sampler(VariableID image_id, VariableID samp_id);
virtual bool skip_argument(uint32_t id) const;
virtual void emit_array_copy(const std::string &lhs, uint32_t rhs_id, spv::StorageClass lhs_storage,
spv::StorageClass rhs_storage);
virtual void emit_array_copy(const std::string &lhs, uint32_t lhs_id, uint32_t rhs_id,
spv::StorageClass lhs_storage, spv::StorageClass rhs_storage);
virtual void emit_block_hints(const SPIRBlock &block);
virtual std::string to_initializer_expression(const SPIRVariable &var);
virtual std::string to_zero_initialized_expression(uint32_t type_id);
@@ -741,6 +765,7 @@ protected:
uint32_t type_to_packed_alignment(const SPIRType &type, const Bitset &flags, BufferPackingStandard packing);
uint32_t type_to_packed_array_stride(const SPIRType &type, const Bitset &flags, BufferPackingStandard packing);
uint32_t type_to_packed_size(const SPIRType &type, const Bitset &flags, BufferPackingStandard packing);
uint32_t type_to_location_count(const SPIRType &type) const;
std::string bitcast_glsl(const SPIRType &result_type, uint32_t arg);
virtual std::string bitcast_glsl_op(const SPIRType &result_type, const SPIRType &argument_type);
@@ -838,7 +863,9 @@ protected:
// GL_EXT_shader_framebuffer_fetch support.
std::vector<std::pair<uint32_t, uint32_t>> subpass_to_framebuffer_fetch_attachment;
std::unordered_set<uint32_t> inout_color_attachments;
std::vector<std::pair<uint32_t, bool>> inout_color_attachments;
bool location_is_framebuffer_fetch(uint32_t location) const;
bool location_is_non_coherent_framebuffer_fetch(uint32_t location) const;
bool subpass_input_is_framebuffer_fetch(uint32_t id) const;
void emit_inout_fragment_outputs_copy_to_subpass_inputs();
const SPIRVariable *find_subpass_input_by_attachment_index(uint32_t index) const;
@@ -877,11 +904,11 @@ protected:
// Builtins in GLSL are always specific signedness, but the SPIR-V can declare them
// as either unsigned or signed.
// Sometimes we will need to automatically perform casts on load and store to make this work.
virtual void cast_to_builtin_store(uint32_t target_id, std::string &expr, const SPIRType &expr_type);
virtual void cast_from_builtin_load(uint32_t source_id, std::string &expr, const SPIRType &expr_type);
virtual void cast_to_variable_store(uint32_t target_id, std::string &expr, const SPIRType &expr_type);
virtual void cast_from_variable_load(uint32_t source_id, std::string &expr, const SPIRType &expr_type);
void unroll_array_from_complex_load(uint32_t target_id, uint32_t source_id, std::string &expr);
bool unroll_array_to_complex_store(uint32_t target_id, uint32_t source_id);
void convert_non_uniform_expression(const SPIRType &type, std::string &expr);
void convert_non_uniform_expression(std::string &expr, uint32_t ptr_id);
void handle_store_to_invariant_variable(uint32_t store_id, uint32_t value_id);
void disallow_forwarding_in_expression_chain(const SPIRExpression &expr);
@@ -900,10 +927,17 @@ protected:
void fixup_type_alias();
void reorder_type_alias();
void propagate_nonuniform_qualifier(uint32_t id);
static const char *vector_swizzle(int vecsize, int index);
bool is_stage_output_location_masked(uint32_t location, uint32_t component) const;
bool is_stage_output_builtin_masked(spv::BuiltIn builtin) const;
bool is_stage_output_variable_masked(const SPIRVariable &var) const;
bool is_stage_output_block_member_masked(const SPIRVariable &var, uint32_t index, bool strip_array) const;
uint32_t get_accumulated_member_location(const SPIRVariable &var, uint32_t mbr_idx, bool strip_array) const;
uint32_t get_declared_member_location(const SPIRVariable &var, uint32_t mbr_idx, bool strip_array) const;
std::unordered_set<LocationComponentPair, InternalHasher> masked_output_locations;
std::unordered_set<uint32_t> masked_output_builtins;
private:
void init();
};