mirror of
https://github.com/bkaradzic/bgfx.git
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shaderc: Add WGSL support. (#3542)
This commit is contained in:
Branimir Karadžić
committed by
GitHub
GitHub
parent
fbff26d5e5
commit
1c08bab55a
@@ -35,6 +35,7 @@ namespace bgfx
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Metal,
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PSSL,
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SpirV,
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WGSL,
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Count
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};
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@@ -48,6 +49,7 @@ namespace bgfx
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"Metal Shading Language (MSL)",
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"PlayStation Shader Language (PSSL)",
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"Standard Portable Intermediate Representation - V (SPIR-V)",
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"WGSL",
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"Unknown?!"
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};
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@@ -149,6 +151,7 @@ namespace bgfx
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{ ShadingLang::GLSL, 420, "420" },
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{ ShadingLang::GLSL, 430, "430" },
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{ ShadingLang::GLSL, 440, "440" },
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{ ShadingLang::WGSL, 1010, "wgsl" },
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};
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static const char* s_ARB_shader_texture_lod[] =
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@@ -1285,6 +1288,7 @@ namespace bgfx
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preprocessor.setDefaultDefine("BGFX_SHADER_LANGUAGE_METAL");
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preprocessor.setDefaultDefine("BGFX_SHADER_LANGUAGE_PSSL");
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preprocessor.setDefaultDefine("BGFX_SHADER_LANGUAGE_SPIRV");
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preprocessor.setDefaultDefine("BGFX_SHADER_LANGUAGE_WGSL");
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preprocessor.setDefaultDefine("BGFX_SHADER_TYPE_COMPUTE");
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preprocessor.setDefaultDefine("BGFX_SHADER_TYPE_FRAGMENT");
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@@ -1327,6 +1331,10 @@ namespace bgfx
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{
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preprocessor.setDefine("BGFX_SHADER_LANGUAGE_SPIRV=1");
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}
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else if (profile->lang == ShadingLang::WGSL)
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{
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preprocessor.setDefine("BGFX_SHADER_LANGUAGE_WGSL=1");
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}
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else
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{
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preprocessor.setDefine(glslDefine);
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@@ -1347,6 +1355,10 @@ namespace bgfx
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{
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preprocessor.setDefine("BGFX_SHADER_LANGUAGE_SPIRV=1");
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}
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else if (profile->lang == ShadingLang::WGSL)
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{
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preprocessor.setDefine("BGFX_SHADER_LANGUAGE_WGSL=1");
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}
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else
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{
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preprocessor.setDefine(glslDefine);
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@@ -1403,6 +1415,10 @@ namespace bgfx
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{
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preprocessor.setDefine("BGFX_SHADER_LANGUAGE_SPIRV=1");
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}
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else if (profile->lang == ShadingLang::WGSL)
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{
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preprocessor.setDefine("BGFX_SHADER_LANGUAGE_WGSL=1");
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}
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}
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else if (0 == bx::strCmpI(platform, "orbis") )
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{
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@@ -1426,6 +1442,10 @@ namespace bgfx
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{
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preprocessor.setDefine("BGFX_SHADER_LANGUAGE_SPIRV=1");
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}
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else if (profile->lang == ShadingLang::WGSL)
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{
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preprocessor.setDefine("BGFX_SHADER_LANGUAGE_WGSL=1");
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}
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}
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preprocessor.setDefine("M_PI=3.1415926535897932384626433832795");
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@@ -1684,6 +1704,10 @@ namespace bgfx
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{
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compiled = compilePSSLShader(_options, 0, input, _shaderWriter, _messageWriter);
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}
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else if (profile->lang == ShadingLang::WGSL)
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{
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compiled = compileWgslShader(_options, profile->id, input, _shaderWriter, _messageWriter);
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}
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else
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{
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compiled = compileHLSLShader(_options, profile->id, input, _shaderWriter, _messageWriter);
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@@ -1841,6 +1865,10 @@ namespace bgfx
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{
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compiled = compilePSSLShader(_options, 0, code, _shaderWriter, _messageWriter);
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}
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else if (profile->lang == ShadingLang::WGSL)
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{
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compiled = compileWgslShader(_options, profile->id, code, _shaderWriter, _messageWriter);
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}
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else
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{
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compiled = compileHLSLShader(_options, profile->id, code, _shaderWriter, _messageWriter);
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@@ -2738,6 +2766,10 @@ namespace bgfx
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{
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compiled = compilePSSLShader(_options, 0, code, _shaderWriter, _messageWriter);
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}
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else if (profile->lang == ShadingLang::WGSL)
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{
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compiled = compileWgslShader(_options, profile->id, code, _shaderWriter, _messageWriter);
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}
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else
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{
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compiled = compileHLSLShader(_options, profile->id, code, _shaderWriter, _messageWriter);
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@@ -37,6 +37,13 @@ namespace bgfx
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bx::StringView nextWord(bx::StringView& _parse);
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constexpr uint16_t kAccessRead = 0x8000;
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constexpr uint16_t kAccessWrite = 0x4000;
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constexpr uint16_t kAccessMask = 0
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| kAccessRead
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| kAccessWrite
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;
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constexpr uint8_t kUniformFragmentBit = 0x10;
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constexpr uint8_t kUniformSamplerBit = 0x20;
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constexpr uint8_t kUniformReadOnlyBit = 0x40;
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@@ -123,6 +130,7 @@ namespace bgfx
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bool compileMetalShader(const Options& _options, uint32_t _version, const std::string& _code, bx::WriterI* _writer, bx::WriterI* _messages);
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bool compilePSSLShader(const Options& _options, uint32_t _version, const std::string& _code, bx::WriterI* _writer, bx::WriterI* _messages);
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bool compileSPIRVShader(const Options& _options, uint32_t _version, const std::string& _code, bx::WriterI* _writer, bx::WriterI* _messages);
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bool compileWgslShader(const Options& _options, uint32_t _version, const std::string& _code, bx::WriterI* _writer, bx::WriterI* _messages);
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const char* getPsslPreamble();
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942
tools/shaderc/shaderc_wgsl.cpp
Normal file
942
tools/shaderc/shaderc_wgsl.cpp
Normal file
@@ -0,0 +1,942 @@
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/*
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* Copyright 2011-2025 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
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*/
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#include "shaderc.h"
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#include <iostream> // std::cout
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BX_PRAGMA_DIAGNOSTIC_PUSH()
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BX_PRAGMA_DIAGNOSTIC_IGNORED_MSVC(4100) // error C4100: 'inclusionDepth' : unreferenced formal parameter
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BX_PRAGMA_DIAGNOSTIC_IGNORED_MSVC(4265) // error C4265: 'spv::spirvbin_t': class has virtual functions, but destructor is not virtual
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BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG_GCC("-Wattributes") // warning: attribute ignored
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BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG_GCC("-Wdeprecated-declarations") // warning: ‘MSLVertexAttr’ is deprecated
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BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG_GCC("-Wtype-limits") // warning: comparison of unsigned expression in ‘< 0’ is always false
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BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG_GCC("-Wshadow") // warning: declaration of 'userData' shadows a member of 'glslang::TShader::Includer::IncludeResult'
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#define SPIRV_CROSS_EXCEPTIONS_TO_ASSERTIONS
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#include <spirv_common.hpp>
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#include <spirv_msl.hpp>
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#include <spirv_reflect.hpp>
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#define ENABLE_OPT 1
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#include <BaseTypes.h>
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#include <Types.h>
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#include <ShaderLang.h>
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#include <ResourceLimits.h>
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#include <SPIRV/GlslangToSpv.h>
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#include <SPIRV/SpvTools.h>
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#include <spirv-tools/optimizer.hpp>
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#include <tint/api/tint.h>
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BX_PRAGMA_DIAGNOSTIC_POP()
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namespace bgfx
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{
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struct TinyStlAllocator
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{
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static void* static_allocate(size_t _bytes);
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static void static_deallocate(void* _ptr, size_t /*_bytes*/);
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};
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} // namespace bgfx
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#define TINYSTL_ALLOCATOR bgfx::TinyStlAllocator
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#include <tinystl/allocator.h>
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#include <tinystl/string.h>
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#include <tinystl/unordered_map.h>
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#include <tinystl/vector.h>
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namespace stl = tinystl;
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#include "../../src/shader.h"
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#include "../../src/shader_spirv.h"
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#include "../../3rdparty/khronos/vulkan-local/vulkan.h"
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namespace bgfx { namespace wgsl
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{
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const TBuiltInResource resourceLimits =
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{
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32, // MaxLights
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6, // MaxClipPlanes
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32, // MaxTextureUnits
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32, // MaxTextureCoords
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64, // MaxVertexAttribs
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4096, // MaxVertexUniformComponents
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64, // MaxVaryingFloats
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32, // MaxVertexTextureImageUnits
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80, // MaxCombinedTextureImageUnits
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32, // MaxTextureImageUnits
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4096, // MaxFragmentUniformComponents
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32, // MaxDrawBuffers
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128, // MaxVertexUniformVectors
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8, // MaxVaryingVectors
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16, // MaxFragmentUniformVectors
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16, // MaxVertexOutputVectors
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15, // MaxFragmentInputVectors
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-8, // MinProgramTexelOffset
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7, // MaxProgramTexelOffset
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8, // MaxClipDistances
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65535, // MaxComputeWorkGroupCountX
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65535, // MaxComputeWorkGroupCountY
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65535, // MaxComputeWorkGroupCountZ
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1024, // MaxComputeWorkGroupSizeX
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1024, // MaxComputeWorkGroupSizeY
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64, // MaxComputeWorkGroupSizeZ
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1024, // MaxComputeUniformComponents
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16, // MaxComputeTextureImageUnits
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8, // MaxComputeImageUniforms
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8, // MaxComputeAtomicCounters
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1, // MaxComputeAtomicCounterBuffers
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60, // MaxVaryingComponents
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64, // MaxVertexOutputComponents
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64, // MaxGeometryInputComponents
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128, // MaxGeometryOutputComponents
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128, // MaxFragmentInputComponents
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8, // MaxImageUnits
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8, // MaxCombinedImageUnitsAndFragmentOutputs
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8, // MaxCombinedShaderOutputResources
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0, // MaxImageSamples
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0, // MaxVertexImageUniforms
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0, // MaxTessControlImageUniforms
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0, // MaxTessEvaluationImageUniforms
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0, // MaxGeometryImageUniforms
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8, // MaxFragmentImageUniforms
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8, // MaxCombinedImageUniforms
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16, // MaxGeometryTextureImageUnits
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256, // MaxGeometryOutputVertices
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1024, // MaxGeometryTotalOutputComponents
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1024, // MaxGeometryUniformComponents
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64, // MaxGeometryVaryingComponents
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128, // MaxTessControlInputComponents
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128, // MaxTessControlOutputComponents
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16, // MaxTessControlTextureImageUnits
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1024, // MaxTessControlUniformComponents
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4096, // MaxTessControlTotalOutputComponents
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128, // MaxTessEvaluationInputComponents
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128, // MaxTessEvaluationOutputComponents
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16, // MaxTessEvaluationTextureImageUnits
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1024, // MaxTessEvaluationUniformComponents
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120, // MaxTessPatchComponents
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32, // MaxPatchVertices
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64, // MaxTessGenLevel
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16, // MaxViewports
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0, // MaxVertexAtomicCounters
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0, // MaxTessControlAtomicCounters
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0, // MaxTessEvaluationAtomicCounters
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0, // MaxGeometryAtomicCounters
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8, // MaxFragmentAtomicCounters
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8, // MaxCombinedAtomicCounters
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1, // MaxAtomicCounterBindings
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0, // MaxVertexAtomicCounterBuffers
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0, // MaxTessControlAtomicCounterBuffers
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0, // MaxTessEvaluationAtomicCounterBuffers
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0, // MaxGeometryAtomicCounterBuffers
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1, // MaxFragmentAtomicCounterBuffers
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1, // MaxCombinedAtomicCounterBuffers
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16384, // MaxAtomicCounterBufferSize
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4, // MaxTransformFeedbackBuffers
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64, // MaxTransformFeedbackInterleavedComponents
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8, // MaxCullDistances
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8, // MaxCombinedClipAndCullDistances
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4, // MaxSamples
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0, // maxMeshOutputVerticesNV
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0, // maxMeshOutputPrimitivesNV
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0, // maxMeshWorkGroupSizeX_NV
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0, // maxMeshWorkGroupSizeY_NV
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0, // maxMeshWorkGroupSizeZ_NV
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0, // maxTaskWorkGroupSizeX_NV
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0, // maxTaskWorkGroupSizeY_NV
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0, // maxTaskWorkGroupSizeZ_NV
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0, // maxMeshViewCountNV
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0, // maxMeshOutputVerticesEXT
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0, // maxMeshOutputPrimitivesEXT
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0, // maxMeshWorkGroupSizeX_EXT
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0, // maxMeshWorkGroupSizeY_EXT
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0, // maxMeshWorkGroupSizeZ_EXT
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0, // maxTaskWorkGroupSizeX_EXT
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0, // maxTaskWorkGroupSizeY_EXT
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0, // maxTaskWorkGroupSizeZ_EXT
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0, // maxMeshViewCountEXT
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0, // maxDualSourceDrawBuffersEXT
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{ // limits
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true, // nonInductiveForLoops
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true, // whileLoops
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true, // doWhileLoops
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true, // generalUniformIndexing
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true, // generalAttributeMatrixVectorIndexing
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true, // generalVaryingIndexing
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true, // generalSamplerIndexing
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true, // generalVariableIndexing
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true, // generalConstantMatrixVectorIndexing
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},
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};
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bgfx::TextureComponentType::Enum spirvCrossBaseTypeToFormatType(spirv_cross::SPIRType::BaseType _spirvBaseType, bool _depth)
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{
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if (_depth)
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{
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return bgfx::TextureComponentType::Depth;
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}
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switch (_spirvBaseType)
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{
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case spirv_cross::SPIRType::Float: return bgfx::TextureComponentType::Float;
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case spirv_cross::SPIRType::Int: return bgfx::TextureComponentType::Int;
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case spirv_cross::SPIRType::UInt: return bgfx::TextureComponentType::Uint;
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default: break;
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}
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return bgfx::TextureComponentType::Float;
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}
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bgfx::TextureDimension::Enum spirvDimToTextureViewDimension(spv::Dim _dim, bool _textureArray)
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{
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switch (_dim)
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{
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case spv::Dim::Dim1D: return bgfx::TextureDimension::Dimension1D;
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case spv::Dim::Dim2D: return _textureArray
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? bgfx::TextureDimension::Dimension2DArray
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: bgfx::TextureDimension::Dimension2D
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;
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case spv::Dim::Dim3D: return bgfx::TextureDimension::Dimension3D;
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case spv::Dim::DimCube: return _textureArray
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? bgfx::TextureDimension::DimensionCubeArray
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: bgfx::TextureDimension::DimensionCube
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;
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default:
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BX_ASSERT(false, "Unknown texture dimension %d", _dim);
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break;
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}
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return bgfx::TextureDimension::Dimension2D;
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}
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static bgfx::TextureFormat::Enum s_textureFormats[] =
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{
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bgfx::TextureFormat::Unknown, // spv::ImageFormatUnknown = 0
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bgfx::TextureFormat::RGBA32F, // spv::ImageFormatRgba32f = 1
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bgfx::TextureFormat::RGBA16F, // spv::ImageFormatRgba16f = 2
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bgfx::TextureFormat::R32F, // spv::ImageFormatR32f = 3
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bgfx::TextureFormat::RGBA8, // spv::ImageFormatRgba8 = 4
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bgfx::TextureFormat::RGBA8S, // spv::ImageFormatRgba8Snorm = 5
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bgfx::TextureFormat::RG32F, // spv::ImageFormatRg32f = 6
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bgfx::TextureFormat::RG16F, // spv::ImageFormatRg16f = 7
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bgfx::TextureFormat::RG11B10F, // spv::ImageFormatR11fG11fB10f = 8
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bgfx::TextureFormat::R16F, // spv::ImageFormatR16f = 9
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bgfx::TextureFormat::RGBA16, // spv::ImageFormatRgba16 = 10
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bgfx::TextureFormat::RGB10A2, // spv::ImageFormatRgb10A2 = 11
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bgfx::TextureFormat::RG16, // spv::ImageFormatRg16 = 12
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bgfx::TextureFormat::RG8, // spv::ImageFormatRg8 = 13
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bgfx::TextureFormat::R16, // spv::ImageFormatR16 = 14
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bgfx::TextureFormat::R8, // spv::ImageFormatR8 = 15
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bgfx::TextureFormat::RGBA16S, // spv::ImageFormatRgba16Snorm = 16
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bgfx::TextureFormat::RG16S, // spv::ImageFormatRg16Snorm = 17
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bgfx::TextureFormat::RG8S, // spv::ImageFormatRg8Snorm = 18
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bgfx::TextureFormat::R16S, // spv::ImageFormatR16Snorm = 19
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bgfx::TextureFormat::R8S, // spv::ImageFormatR8Snorm = 20
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bgfx::TextureFormat::RGBA32I, // spv::ImageFormatRgba32i = 21
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bgfx::TextureFormat::RGBA16I, // spv::ImageFormatRgba16i = 22
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bgfx::TextureFormat::RGBA8I, // spv::ImageFormatRgba8i = 23
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bgfx::TextureFormat::R32I, // spv::ImageFormatR32i = 24
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bgfx::TextureFormat::RG32I, // spv::ImageFormatRg32i = 25
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bgfx::TextureFormat::RG16I, // spv::ImageFormatRg16i = 26
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bgfx::TextureFormat::RG8I, // spv::ImageFormatRg8i = 27
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bgfx::TextureFormat::R16I, // spv::ImageFormatR16i = 28
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bgfx::TextureFormat::R8I, // spv::ImageFormatR8i = 29
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bgfx::TextureFormat::RGBA32U, // spv::ImageFormatRgba32ui = 30
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bgfx::TextureFormat::RGBA16U, // spv::ImageFormatRgba16ui = 31
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bgfx::TextureFormat::RGBA8U, // spv::ImageFormatRgba8ui = 32
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bgfx::TextureFormat::R32U, // spv::ImageFormatR32ui = 33
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bgfx::TextureFormat::Unknown, // spv::ImageFormatRgb10a2ui = 34
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bgfx::TextureFormat::RG32U, // spv::ImageFormatRg32ui = 35
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bgfx::TextureFormat::RG16U, // spv::ImageFormatRg16ui = 36
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bgfx::TextureFormat::RG8U, // spv::ImageFormatRg8ui = 37
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bgfx::TextureFormat::R16U, // spv::ImageFormatR16ui = 38
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bgfx::TextureFormat::R8U, // spv::ImageFormatR8ui = 39
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bgfx::TextureFormat::Unknown, // spv::ImageFormatR64ui = 40
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bgfx::TextureFormat::Unknown, // spv::ImageFormatR64i = 41
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};
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static_assert(BX_COUNTOF(s_textureFormats) == spv::ImageFormatR64i+1, "");
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static EShLanguage getLang(char _p)
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{
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switch (_p)
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{
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case 'c': return EShLangCompute;
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case 'f': return EShLangFragment;
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case 'v': return EShLangVertex;
|
||||
default: return EShLangCount;
|
||||
}
|
||||
}
|
||||
|
||||
static const char* s_attribName[] =
|
||||
{
|
||||
"a_position",
|
||||
"a_normal",
|
||||
"a_tangent",
|
||||
"a_bitangent",
|
||||
"a_color0",
|
||||
"a_color1",
|
||||
"a_color2",
|
||||
"a_color3",
|
||||
"a_indices",
|
||||
"a_weight",
|
||||
"a_texcoord0",
|
||||
"a_texcoord1",
|
||||
"a_texcoord2",
|
||||
"a_texcoord3",
|
||||
"a_texcoord4",
|
||||
"a_texcoord5",
|
||||
"a_texcoord6",
|
||||
"a_texcoord7",
|
||||
};
|
||||
static_assert(bgfx::Attrib::Count == BX_COUNTOF(s_attribName) );
|
||||
|
||||
bgfx::Attrib::Enum toAttribEnum(const bx::StringView& _name)
|
||||
{
|
||||
for (uint8_t ii = 0; ii < Attrib::Count; ++ii)
|
||||
{
|
||||
if (0 == bx::strCmp(s_attribName[ii], _name) )
|
||||
{
|
||||
return bgfx::Attrib::Enum(ii);
|
||||
}
|
||||
}
|
||||
|
||||
return bgfx::Attrib::Count;
|
||||
}
|
||||
|
||||
static const char* s_samplerTypes[] =
|
||||
{
|
||||
"BgfxSampler2D",
|
||||
"BgfxISampler2D",
|
||||
"BgfxUSampler2D",
|
||||
"BgfxSampler2DArray",
|
||||
"BgfxSampler2DShadow",
|
||||
"BgfxSampler2DArrayShadow",
|
||||
"BgfxSampler3D",
|
||||
"BgfxISampler3D",
|
||||
"BgfxUSampler3D",
|
||||
"BgfxSamplerCube",
|
||||
"BgfxSamplerCubeShadow",
|
||||
"BgfxSampler2DMS",
|
||||
};
|
||||
|
||||
static uint16_t writeUniformArray(bx::WriterI* _shaderWriter, const UniformArray& uniforms, bool isFragmentShader)
|
||||
{
|
||||
uint16_t size = 0;
|
||||
|
||||
bx::ErrorAssert err;
|
||||
|
||||
uint16_t count = uint16_t(uniforms.size() );
|
||||
bx::write(_shaderWriter, count, &err);
|
||||
|
||||
uint32_t fragmentBit = isFragmentShader ? kUniformFragmentBit : 0;
|
||||
|
||||
for (uint16_t ii = 0; ii < count; ++ii)
|
||||
{
|
||||
const Uniform& un = uniforms[ii];
|
||||
|
||||
if ( (un.type & ~kUniformMask) > UniformType::End)
|
||||
{
|
||||
size = bx::max(size, (uint16_t)(un.regIndex + un.regCount*16) );
|
||||
}
|
||||
|
||||
uint8_t nameSize = (uint8_t)un.name.size();
|
||||
bx::write(_shaderWriter, nameSize, &err);
|
||||
bx::write(_shaderWriter, un.name.c_str(), nameSize, &err);
|
||||
bx::write(_shaderWriter, uint8_t(un.type | fragmentBit), &err);
|
||||
bx::write(_shaderWriter, un.num, &err);
|
||||
bx::write(_shaderWriter, un.regIndex, &err);
|
||||
bx::write(_shaderWriter, un.regCount, &err);
|
||||
bx::write(_shaderWriter, un.texComponent, &err);
|
||||
bx::write(_shaderWriter, un.texDimension, &err);
|
||||
bx::write(_shaderWriter, un.texFormat, &err);
|
||||
|
||||
BX_TRACE("%s, %s, %d, %d, %d"
|
||||
, un.name.c_str()
|
||||
, getUniformTypeName(UniformType::Enum(un.type & ~kUniformMask))
|
||||
, un.num
|
||||
, un.regIndex
|
||||
, un.regCount
|
||||
);
|
||||
}
|
||||
|
||||
return size;
|
||||
}
|
||||
|
||||
static spv_target_env getSpirvTargetVersion(uint32_t _version, bx::WriterI* _messageWriter)
|
||||
{
|
||||
bx::ErrorAssert err;
|
||||
|
||||
switch (_version)
|
||||
{
|
||||
case 1010:
|
||||
return SPV_ENV_VULKAN_1_0;
|
||||
case 1311:
|
||||
return SPV_ENV_VULKAN_1_1;
|
||||
case 1411:
|
||||
return SPV_ENV_VULKAN_1_1_SPIRV_1_4;
|
||||
case 1512:
|
||||
return SPV_ENV_VULKAN_1_2;
|
||||
case 1613:
|
||||
return SPV_ENV_VULKAN_1_3;
|
||||
default:
|
||||
bx::write(_messageWriter, &err, "Warning: Unknown SPIR-V version requested. Returning SPV_ENV_VULKAN_1_0 as default.\n");
|
||||
return SPV_ENV_VULKAN_1_0;
|
||||
}
|
||||
}
|
||||
|
||||
static glslang::EShTargetClientVersion getGlslangTargetVulkanVersion(uint32_t _version, bx::WriterI* _messageWriter)
|
||||
{
|
||||
bx::ErrorAssert err;
|
||||
|
||||
switch (_version)
|
||||
{
|
||||
case 1010:
|
||||
return glslang::EShTargetVulkan_1_0;
|
||||
case 1311:
|
||||
case 1411:
|
||||
return glslang::EShTargetVulkan_1_1;
|
||||
case 1512:
|
||||
return glslang::EShTargetVulkan_1_2;
|
||||
case 1613:
|
||||
return glslang::EShTargetVulkan_1_3;
|
||||
default:
|
||||
bx::write(_messageWriter, &err, "Warning: Unknown SPIR-V version requested. Returning EShTargetVulkan_1_0 as default.\n");
|
||||
return glslang::EShTargetVulkan_1_0;
|
||||
}
|
||||
}
|
||||
|
||||
static glslang::EShTargetLanguageVersion getGlslangTargetSpirvVersion(uint32_t _version, bx::WriterI* _messageWriter)
|
||||
{
|
||||
bx::ErrorAssert err;
|
||||
|
||||
switch (_version)
|
||||
{
|
||||
case 1010:
|
||||
return glslang::EShTargetSpv_1_0;
|
||||
case 1311:
|
||||
return glslang::EShTargetSpv_1_3;
|
||||
case 1411:
|
||||
return glslang::EShTargetSpv_1_4;
|
||||
case 1512:
|
||||
return glslang::EShTargetSpv_1_5;
|
||||
case 1613:
|
||||
return glslang::EShTargetSpv_1_6;
|
||||
default:
|
||||
bx::write(_messageWriter, &err, "Warning: Unknown SPIR-V version requested. Returning EShTargetSpv_1_0 as default.\n");
|
||||
return glslang::EShTargetSpv_1_0;
|
||||
}
|
||||
}
|
||||
|
||||
/// This is the value used to fill out GLSLANG's SpvVersion object.
|
||||
/// The required value is that which is defined by GL_KHR_vulkan_glsl, which is defined here:
|
||||
/// https://github.com/KhronosGroup/GLSL/blob/master/extensions/khr/GL_KHR_vulkan_glsl.txt
|
||||
/// The value is 100.
|
||||
constexpr int s_GLSL_VULKAN_CLIENT_VERSION = 100;
|
||||
|
||||
static bool compile(const Options& _options, uint32_t _version, const std::string& _code, bx::WriterI* _shaderWriter, bx::WriterI* _messageWriter, bool _firstPass)
|
||||
{
|
||||
BX_UNUSED(_version);
|
||||
|
||||
bx::ErrorAssert messageErr;
|
||||
|
||||
glslang::InitializeProcess();
|
||||
|
||||
EShLanguage stage = getLang(_options.shaderType);
|
||||
if (EShLangCount == stage)
|
||||
{
|
||||
bx::write(_messageWriter, &messageErr, "Error: Unknown shader type '%c'.\n", _options.shaderType);
|
||||
return false;
|
||||
}
|
||||
|
||||
glslang::TProgram* program = new glslang::TProgram;
|
||||
glslang::TShader* shader = new glslang::TShader(stage);
|
||||
|
||||
EShMessages messages = EShMessages(0
|
||||
| EShMsgDefault
|
||||
| EShMsgReadHlsl
|
||||
| EShMsgVulkanRules
|
||||
| EShMsgSpvRules
|
||||
| EShMsgDebugInfo
|
||||
);
|
||||
|
||||
shader->setEntryPoint("main");
|
||||
shader->setAutoMapBindings(true);
|
||||
shader->setEnvInput(glslang::EShSourceHlsl, stage, glslang::EShClientVulkan, s_GLSL_VULKAN_CLIENT_VERSION);
|
||||
shader->setEnvClient(glslang::EShClientVulkan, getGlslangTargetVulkanVersion(_version, _messageWriter));
|
||||
shader->setEnvTarget(glslang::EShTargetSpv, getGlslangTargetSpirvVersion(_version, _messageWriter));
|
||||
|
||||
// Reserve two spots for the stage UBOs
|
||||
shader->setShiftBinding(glslang::EResUbo, (stage == EShLanguage::EShLangFragment ? kSpirvFragmentBinding : kSpirvVertexBinding));
|
||||
shader->setShiftBinding(glslang::EResTexture, kSpirvBindShift);
|
||||
shader->setShiftBinding(glslang::EResSampler, kSpirvBindShift + kSpirvSamplerShift);
|
||||
shader->setShiftBinding(glslang::EResSsbo, kSpirvBindShift);
|
||||
shader->setShiftBinding(glslang::EResImage, kSpirvBindShift);
|
||||
|
||||
const char* shaderStrings[] = { _code.c_str() };
|
||||
shader->setStrings(
|
||||
shaderStrings
|
||||
, BX_COUNTOF(shaderStrings)
|
||||
);
|
||||
bool compiled = shader->parse(&resourceLimits
|
||||
, 110
|
||||
, false
|
||||
, messages
|
||||
);
|
||||
bool linked = false;
|
||||
bool validated = true;
|
||||
bool translated = false;
|
||||
|
||||
if (!compiled)
|
||||
{
|
||||
const char* log = shader->getInfoLog();
|
||||
if (NULL != log)
|
||||
{
|
||||
int32_t source = 0;
|
||||
int32_t line = 0;
|
||||
int32_t column = 0;
|
||||
int32_t start = 0;
|
||||
int32_t end = INT32_MAX;
|
||||
|
||||
bx::StringView err = bx::strFind(log, "ERROR:");
|
||||
|
||||
bool found = false;
|
||||
|
||||
if (!err.isEmpty() )
|
||||
{
|
||||
found = 2 == sscanf(err.getPtr(), "ERROR: %u:%u: '", &source, &line);
|
||||
if (found)
|
||||
{
|
||||
++line;
|
||||
}
|
||||
}
|
||||
|
||||
if (found)
|
||||
{
|
||||
start = bx::uint32_imax(1, line-10);
|
||||
end = start + 20;
|
||||
}
|
||||
|
||||
printCode(_code.c_str(), bx::uint32_satsub(line, 1), start, end, column);
|
||||
|
||||
bx::write(_messageWriter, &messageErr, "%s\n", log);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
program->addShader(shader);
|
||||
linked = true
|
||||
&& program->link(messages)
|
||||
&& program->mapIO()
|
||||
;
|
||||
|
||||
if (!linked)
|
||||
{
|
||||
const char* log = program->getInfoLog();
|
||||
if (NULL != log)
|
||||
{
|
||||
bx::write(_messageWriter, &messageErr, "%s\n", log);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
program->buildReflection();
|
||||
|
||||
if (_firstPass)
|
||||
{
|
||||
// first time through, we just find unused uniforms and get rid of them
|
||||
std::string output;
|
||||
|
||||
struct Uniform
|
||||
{
|
||||
std::string name;
|
||||
std::string decl;
|
||||
};
|
||||
std::vector<Uniform> uniforms;
|
||||
|
||||
bx::LineReader reader(_code.c_str() );
|
||||
while (!reader.isDone() )
|
||||
{
|
||||
bx::StringView strLine = reader.next();
|
||||
|
||||
bool moved = false;
|
||||
|
||||
bx::StringView str = strFind(strLine, "uniform ");
|
||||
if (!str.isEmpty() )
|
||||
{
|
||||
bool found = false;
|
||||
bool sampler = false;
|
||||
std::string name = "";
|
||||
|
||||
// add to samplers
|
||||
|
||||
for (uint32_t ii = 0; ii < BX_COUNTOF(s_samplerTypes); ++ii)
|
||||
{
|
||||
if (!bx::findIdentifierMatch(strLine, s_samplerTypes[ii]).isEmpty() )
|
||||
{
|
||||
found = true;
|
||||
sampler = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!found)
|
||||
{
|
||||
for (int32_t ii = 0, num = program->getNumLiveUniformVariables(); ii < num; ++ii)
|
||||
{
|
||||
// matching lines like: uniform u_name;
|
||||
// we want to replace "uniform" with "static" so that it's no longer
|
||||
// included in the uniform blob that the application must upload
|
||||
// we can't just remove them, because unused functions might still reference
|
||||
// them and cause a compile error when they're gone
|
||||
if (!bx::findIdentifierMatch(strLine, program->getUniformName(ii) ).isEmpty() )
|
||||
{
|
||||
found = true;
|
||||
name = program->getUniformName(ii);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (!found)
|
||||
{
|
||||
output.append(strLine.getPtr(), str.getPtr() );
|
||||
output += "static ";
|
||||
output.append(str.getTerm(), strLine.getTerm() );
|
||||
output += "\n";
|
||||
moved = true;
|
||||
}
|
||||
else if (!sampler)
|
||||
{
|
||||
Uniform uniform;
|
||||
uniform.name = name;
|
||||
uniform.decl = std::string(strLine.getPtr(), strLine.getTerm() );
|
||||
uniforms.push_back(uniform);
|
||||
moved = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (!moved)
|
||||
{
|
||||
output.append(strLine.getPtr(), strLine.getTerm() );
|
||||
output += "\n";
|
||||
}
|
||||
}
|
||||
|
||||
std::string uniformBlock;
|
||||
uniformBlock += "cbuffer UniformBlock\n";
|
||||
uniformBlock += "{\n";
|
||||
|
||||
for (const Uniform& uniform : uniforms)
|
||||
{
|
||||
uniformBlock += uniform.decl.substr(7 /* uniform */);
|
||||
uniformBlock += "\n";
|
||||
}
|
||||
|
||||
uniformBlock += "};\n";
|
||||
|
||||
output = uniformBlock + output;
|
||||
|
||||
// recompile with the unused uniforms converted to statics
|
||||
delete program;
|
||||
delete shader;
|
||||
return compile(_options, _version, output.c_str(), _shaderWriter, _messageWriter, false);
|
||||
}
|
||||
|
||||
uint32_t blockIndex = 0;
|
||||
for (uint32_t ii = 0, num = program->getNumUniformVariables(); ii < num; ++ii)
|
||||
{
|
||||
const glslang::TType* type = program->getUniformBlockTType(ii);
|
||||
if (NULL != type
|
||||
&& glslang::EbtBlock == type->getBasicType()
|
||||
&& glslang::EvqUniform == type->getQualifier().storage)
|
||||
{
|
||||
blockIndex = ii;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
UniformArray uniforms;
|
||||
const uint16_t blockSize = bx::narrowCast<uint16_t>(bx::max<int32_t>(0, program->getUniformBlockSize(blockIndex) ) );
|
||||
|
||||
{
|
||||
uint16_t count = (uint16_t)program->getNumLiveUniformVariables();
|
||||
|
||||
for (uint16_t ii = 0; ii < count; ++ii)
|
||||
{
|
||||
Uniform un;
|
||||
un.name = program->getUniformName(ii);
|
||||
|
||||
if (bx::hasSuffix(un.name.c_str(), ".@data") )
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
un.num = uint8_t(program->getUniformArraySize(ii) );
|
||||
const uint32_t offset = program->getUniformBufferOffset(ii);
|
||||
un.regIndex = uint16_t(offset);
|
||||
un.regCount = un.num;
|
||||
|
||||
switch (program->getUniformType(ii) )
|
||||
{
|
||||
case 0x1404: // GL_INT:
|
||||
un.type = UniformType::Sampler;
|
||||
break;
|
||||
|
||||
case 0x8B52: // GL_FLOAT_VEC4:
|
||||
un.type = UniformType::Vec4;
|
||||
break;
|
||||
|
||||
case 0x8B5B: // GL_FLOAT_MAT3:
|
||||
un.type = UniformType::Mat3;
|
||||
un.regCount *= 3;
|
||||
break;
|
||||
|
||||
case 0x8B5C: // GL_FLOAT_MAT4:
|
||||
un.type = UniformType::Mat4;
|
||||
un.regCount *= 4;
|
||||
break;
|
||||
|
||||
default:
|
||||
continue;
|
||||
}
|
||||
|
||||
uniforms.push_back(un);
|
||||
}
|
||||
}
|
||||
|
||||
if (g_verbose)
|
||||
{
|
||||
program->dumpReflection();
|
||||
}
|
||||
|
||||
glslang::TIntermediate* intermediate = program->getIntermediate(stage);
|
||||
std::vector<uint32_t> spirv;
|
||||
|
||||
glslang::SpvOptions options;
|
||||
options.disableOptimizer = _options.debugInformation;
|
||||
options.generateDebugInfo = _options.debugInformation;
|
||||
options.emitNonSemanticShaderDebugInfo = _options.debugInformation;
|
||||
options.emitNonSemanticShaderDebugSource = _options.debugInformation;
|
||||
|
||||
glslang::GlslangToSpv(*intermediate, spirv, &options);
|
||||
|
||||
spvtools::Optimizer opt(getSpirvTargetVersion(_version, _messageWriter));
|
||||
|
||||
auto print_msg_to_stderr = [_messageWriter, &messageErr](
|
||||
spv_message_level_t
|
||||
, const char*
|
||||
, const spv_position_t&
|
||||
, const char* m
|
||||
)
|
||||
{
|
||||
bx::write(_messageWriter, &messageErr, "Error: %s\n", m);
|
||||
};
|
||||
|
||||
opt.SetMessageConsumer(print_msg_to_stderr);
|
||||
opt.RegisterLegalizationPasses();
|
||||
opt.RegisterPerformancePasses();
|
||||
|
||||
spvtools::ValidatorOptions validatorOptions;
|
||||
validatorOptions.SetBeforeHlslLegalization(true);
|
||||
|
||||
if (!opt.Run(
|
||||
spirv.data()
|
||||
, spirv.size()
|
||||
, &spirv
|
||||
, validatorOptions
|
||||
, false
|
||||
) )
|
||||
{
|
||||
compiled = false;
|
||||
}
|
||||
else
|
||||
{
|
||||
tint::Result<std::string> result = tint::SpirvToWgsl(
|
||||
spirv
|
||||
, {
|
||||
.allow_non_uniform_derivatives = true,
|
||||
.allow_non_uniform_subgroup_operations = true,
|
||||
.allowed_features = {
|
||||
.extensions =
|
||||
{
|
||||
tint::wgsl::Extension::kChromiumInternalGraphite,
|
||||
},
|
||||
.features =
|
||||
{
|
||||
tint::wgsl::LanguageFeature::kReadonlyAndReadwriteStorageTextures,
|
||||
}
|
||||
},
|
||||
}
|
||||
);
|
||||
translated = result == tint::Success;
|
||||
|
||||
if (translated)
|
||||
{
|
||||
if (g_verbose)
|
||||
{
|
||||
bx::printf("%s", result.Get().c_str() );
|
||||
}
|
||||
|
||||
spirv_cross::CompilerReflection refl(spirv);
|
||||
spirv_cross::ShaderResources shaderRes = refl.get_shader_resources();
|
||||
|
||||
// Loop through the separate_images, and extract the uniform names:
|
||||
for (auto& resource : shaderRes.separate_images)
|
||||
{
|
||||
std::string name = refl.get_name(resource.id);
|
||||
|
||||
if (name.size() > 7
|
||||
&& 0 == bx::strCmp(name.c_str() + name.length() - 7, "Texture") )
|
||||
{
|
||||
name = name.substr(0, name.length() - 7);
|
||||
}
|
||||
|
||||
uint32_t binding_index = refl.get_decoration(resource.id, spv::Decoration::DecorationBinding);
|
||||
|
||||
spirv_cross::SPIRType::ImageType imageType = refl.get_type(resource.base_type_id).image;
|
||||
spirv_cross::SPIRType::BaseType componentType = refl.get_type(imageType.type).basetype;
|
||||
|
||||
bool isCompareSampler = false;
|
||||
for (auto& sampler : shaderRes.separate_samplers)
|
||||
{
|
||||
if (binding_index + 16 == refl.get_decoration(sampler.id, spv::Decoration::DecorationBinding) )
|
||||
{
|
||||
std::string samplerName = refl.get_name(sampler.id);
|
||||
isCompareSampler = refl.variable_is_depth_or_compare(sampler.id) || samplerName.find("Comparison") != std::string::npos;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
Uniform un;
|
||||
un.name = name;
|
||||
un.type = UniformType::Enum(UniformType::Sampler
|
||||
| kUniformSamplerBit
|
||||
| (isCompareSampler ? kUniformCompareBit : 0)
|
||||
);
|
||||
|
||||
un.texComponent = textureComponentTypeToId(spirvCrossBaseTypeToFormatType(componentType, imageType.depth) );
|
||||
un.texDimension = textureDimensionToId(spirvDimToTextureViewDimension(imageType.dim, imageType.arrayed) );
|
||||
un.texFormat = uint16_t(s_textureFormats[imageType.format]);
|
||||
|
||||
un.regIndex = uint16_t(binding_index);
|
||||
un.regCount = 0; // unused
|
||||
|
||||
uniforms.push_back(un);
|
||||
}
|
||||
|
||||
// Loop through the storage_images, and extract the uniform names:
|
||||
for (auto& resource : shaderRes.storage_images)
|
||||
{
|
||||
const std::string& name = refl.get_name(resource.id);
|
||||
|
||||
uint32_t binding_index = refl.get_decoration(resource.id, spv::Decoration::DecorationBinding);
|
||||
|
||||
spirv_cross::SPIRType::ImageType imageType = refl.get_type(resource.base_type_id).image;
|
||||
spirv_cross::SPIRType::BaseType componentType = refl.get_type(imageType.type).basetype;
|
||||
|
||||
spirv_cross::Bitset flags = refl.get_decoration_bitset(resource.id);
|
||||
UniformType::Enum type = flags.get(spv::DecorationNonWritable)
|
||||
? UniformType::Enum(kUniformReadOnlyBit | UniformType::End)
|
||||
: UniformType::End
|
||||
;
|
||||
|
||||
Uniform un;
|
||||
un.name = name;
|
||||
un.type = type;
|
||||
|
||||
un.texComponent = textureComponentTypeToId(spirvCrossBaseTypeToFormatType(componentType, imageType.depth) );
|
||||
un.texDimension = textureDimensionToId(spirvDimToTextureViewDimension(imageType.dim, imageType.arrayed) );
|
||||
un.texFormat = uint16_t(s_textureFormats[imageType.format]);
|
||||
un.texFormat |= 0
|
||||
| (spv::AccessQualifierReadOnly == imageType.access ? kAccessRead : 0)
|
||||
| (spv::AccessQualifierWriteOnly == imageType.access ? kAccessWrite : 0)
|
||||
| (spv::AccessQualifierReadOnly == imageType.access ? kAccessMask : 0)
|
||||
;
|
||||
|
||||
un.regIndex = uint16_t(binding_index);
|
||||
un.regCount = descriptorTypeToId(DescriptorType::StorageImage);
|
||||
|
||||
uniforms.push_back(un);
|
||||
}
|
||||
|
||||
bx::Error err;
|
||||
|
||||
// Loop through the storage buffer, and extract the uniform names:
|
||||
for (auto& resource : shaderRes.storage_buffers)
|
||||
{
|
||||
const std::string& name = refl.get_name(resource.id);
|
||||
|
||||
uint32_t binding_index = refl.get_decoration(resource.id, spv::Decoration::DecorationBinding);
|
||||
|
||||
spirv_cross::Bitset flags = refl.get_buffer_block_flags(resource.id);
|
||||
UniformType::Enum type = flags.get(spv::DecorationNonWritable)
|
||||
? UniformType::Enum(kUniformReadOnlyBit | UniformType::End)
|
||||
: UniformType::End
|
||||
;
|
||||
|
||||
Uniform un;
|
||||
un.name = name;
|
||||
un.type = type;
|
||||
un.num = 0;
|
||||
un.regIndex = uint16_t(binding_index);
|
||||
un.regCount = descriptorTypeToId(DescriptorType::StorageBuffer);
|
||||
|
||||
uniforms.push_back(un);
|
||||
}
|
||||
|
||||
const uint16_t size = writeUniformArray(_shaderWriter, uniforms, _options.shaderType == 'f');
|
||||
|
||||
const bx::StringView code(result.Get().c_str() );
|
||||
bx::write(_shaderWriter, code.getLength(), &err);
|
||||
bx::write(_shaderWriter, code, &err);
|
||||
const uint8_t nul = 0;
|
||||
bx::write(_shaderWriter, nul, &err);
|
||||
|
||||
const uint8_t numAttr = (uint8_t)program->getNumLiveAttributes();
|
||||
bx::write(_shaderWriter, numAttr, &err);
|
||||
|
||||
for (uint8_t ii = 0; ii < numAttr; ++ii)
|
||||
{
|
||||
bgfx::Attrib::Enum attr = toAttribEnum(program->getAttributeName(ii) );
|
||||
if (bgfx::Attrib::Count != attr)
|
||||
{
|
||||
bx::write(_shaderWriter, bgfx::attribToId(attr), &err);
|
||||
}
|
||||
else
|
||||
{
|
||||
bx::write(_shaderWriter, uint16_t(UINT16_MAX), &err);
|
||||
}
|
||||
}
|
||||
|
||||
bx::write(_shaderWriter, size, &err);
|
||||
bx::write(_shaderWriter, blockSize, &err);
|
||||
}
|
||||
else
|
||||
{
|
||||
bx::write(_messageWriter, &messageErr, "Error: %s\n", result.Failure().reason.c_str() );
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
delete program;
|
||||
delete shader;
|
||||
|
||||
glslang::FinalizeProcess();
|
||||
|
||||
return compiled && linked && validated && translated;
|
||||
}
|
||||
|
||||
} // namespace wgsl
|
||||
|
||||
bool compileWgslShader(const Options& _options, uint32_t _version, const std::string& _code, bx::WriterI* _shaderWriter, bx::WriterI* _messageWriter)
|
||||
{
|
||||
return wgsl::compile(_options, _version, _code, _shaderWriter, _messageWriter, true);
|
||||
}
|
||||
|
||||
} // namespace bgfx
|
||||
Reference in New Issue
Block a user