| // Copyright 2023 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "dawn/native/d3d/ShaderUtils.h" |
| |
| #include <sstream> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "dawn/native/d3d/BlobD3D.h" |
| #include "dawn/native/d3d/D3DCompilationRequest.h" |
| #include "dawn/native/d3d/D3DError.h" |
| #include "dawn/native/d3d/DeviceD3D.h" |
| #include "dawn/native/d3d/PlatformFunctions.h" |
| #include "dawn/native/d3d/UtilsD3D.h" |
| #include "dawn/platform/DawnPlatform.h" |
| #include "dawn/platform/tracing/TraceEvent.h" |
| |
| #include "tint/tint.h" |
| |
| namespace dawn::native::d3d { |
| |
| namespace { |
| |
| // The remapped name to use when remapping shader entry point names. |
| constexpr char kRemappedEntryPointName[] = "dawn_entry_point"; |
| |
| // Be careful that the return vector may contain the pointers that point to non-static memory. |
| std::vector<const wchar_t*> GetDXCArguments(std::wstring_view entryPointNameW, |
| const d3d::D3DBytecodeCompilationRequest& r) { |
| std::vector<const wchar_t*> arguments; |
| |
| arguments.push_back(L"-T"); |
| arguments.push_back(r.dxcShaderProfile.data()); |
| |
| arguments.push_back(L"-E"); |
| arguments.push_back(entryPointNameW.data()); |
| |
| // TODO(chromium:346595893): Disable buggy DXC pass |
| arguments.push_back(L"-opt-disable"); |
| arguments.push_back(L"structurize-loop-exits-for-unroll"); |
| |
| uint32_t compileFlags = r.compileFlags; |
| if (compileFlags & D3DCOMPILE_ENABLE_BACKWARDS_COMPATIBILITY) { |
| arguments.push_back(L"/Gec"); |
| } |
| if (compileFlags & D3DCOMPILE_IEEE_STRICTNESS) { |
| arguments.push_back(L"/Gis"); |
| } |
| constexpr uint32_t d3dCompileFlagsBits = D3DCOMPILE_OPTIMIZATION_LEVEL2; |
| if (compileFlags & d3dCompileFlagsBits) { |
| switch (compileFlags & D3DCOMPILE_OPTIMIZATION_LEVEL2) { |
| case D3DCOMPILE_OPTIMIZATION_LEVEL0: |
| arguments.push_back(L"/O0"); |
| break; |
| case D3DCOMPILE_OPTIMIZATION_LEVEL2: |
| arguments.push_back(L"/O2"); |
| break; |
| case D3DCOMPILE_OPTIMIZATION_LEVEL3: |
| arguments.push_back(L"/O3"); |
| break; |
| } |
| } else { |
| // D3DCOMPILE_OPTIMIZATION_LEVEL1 is defined to 0 |
| arguments.push_back(L"/O1"); |
| } |
| if (compileFlags & D3DCOMPILE_SKIP_OPTIMIZATION) { |
| // DXC will use the last optimization flag passed in (/O[n] and /Od), so we make sure |
| // to pass /Od last. |
| arguments.push_back(L"/Od"); |
| } |
| if (compileFlags & D3DCOMPILE_DEBUG) { |
| arguments.push_back(L"/Zi"); |
| // Unlike FXC, DXC does not embed debug info into the shader object by default, as it's |
| // preferable to save it to pdb files to keep shader objects small. Embed it for now, and we |
| // can consider exposing an option for users to supply a path to dump pdbs to in the future. |
| arguments.push_back(L"/Qembed_debug"); |
| } |
| if (compileFlags & D3DCOMPILE_PACK_MATRIX_ROW_MAJOR) { |
| arguments.push_back(L"/Zpr"); |
| } |
| if (compileFlags & D3DCOMPILE_PACK_MATRIX_COLUMN_MAJOR) { |
| arguments.push_back(L"/Zpc"); |
| } |
| if (compileFlags & D3DCOMPILE_AVOID_FLOW_CONTROL) { |
| arguments.push_back(L"/Gfa"); |
| } |
| if (compileFlags & D3DCOMPILE_PREFER_FLOW_CONTROL) { |
| arguments.push_back(L"/Gfp"); |
| } |
| if (compileFlags & D3DCOMPILE_RESOURCES_MAY_ALIAS) { |
| arguments.push_back(L"/res_may_alias"); |
| } |
| |
| #define ASSERT_UNHANDLED(f) DAWN_ASSERT((compileFlags & f) == 0) |
| ASSERT_UNHANDLED(D3DCOMPILE_SKIP_VALIDATION); |
| ASSERT_UNHANDLED(D3DCOMPILE_PARTIAL_PRECISION); |
| ASSERT_UNHANDLED(D3DCOMPILE_FORCE_VS_SOFTWARE_NO_OPT); |
| ASSERT_UNHANDLED(D3DCOMPILE_FORCE_PS_SOFTWARE_NO_OPT); |
| ASSERT_UNHANDLED(D3DCOMPILE_NO_PRESHADER); |
| ASSERT_UNHANDLED(D3DCOMPILE_ENABLE_STRICTNESS); |
| ASSERT_UNHANDLED(D3DCOMPILE_RESERVED16); |
| ASSERT_UNHANDLED(D3DCOMPILE_RESERVED17); |
| ASSERT_UNHANDLED(D3DCOMPILE_WARNINGS_ARE_ERRORS); |
| ASSERT_UNHANDLED(D3DCOMPILE_ENABLE_UNBOUNDED_DESCRIPTOR_TABLES); |
| ASSERT_UNHANDLED(D3DCOMPILE_ALL_RESOURCES_BOUND); |
| ASSERT_UNHANDLED(D3DCOMPILE_DEBUG_NAME_FOR_SOURCE); |
| ASSERT_UNHANDLED(D3DCOMPILE_DEBUG_NAME_FOR_BINARY); |
| #undef ASSERT_UNHANDLED |
| |
| if (r.hasShaderF16Feature) { |
| // enable-16bit-types are only allowed in -HV 2018 (default) |
| arguments.push_back(L"/enable-16bit-types"); |
| } |
| |
| arguments.push_back(L"-HV"); |
| arguments.push_back(L"2018"); |
| |
| return arguments; |
| } |
| |
| ResultOrError<ComPtr<IDxcBlob>> CompileShaderDXC(const d3d::D3DBytecodeCompilationRequest& r, |
| const std::string& entryPointName, |
| const std::string& hlslSource, |
| bool dumpShaders) { |
| DxcBuffer dxcBuffer; |
| dxcBuffer.Ptr = hlslSource.c_str(); |
| dxcBuffer.Size = hlslSource.length(); |
| dxcBuffer.Encoding = DXC_CP_UTF8; |
| |
| std::wstring entryPointW; |
| DAWN_TRY_ASSIGN(entryPointW, d3d::ConvertStringToWstring(entryPointName)); |
| |
| // Note that the contents in `arguments` shouldn't be mutated or moved around as some of the |
| // pointers in this vector don't have static lifetime. |
| std::vector<const wchar_t*> arguments = GetDXCArguments(entryPointW, r); |
| ComPtr<IDxcResult> result; |
| DAWN_TRY(CheckHRESULT(r.dxcCompiler->Compile(&dxcBuffer, arguments.data(), arguments.size(), |
| nullptr, IID_PPV_ARGS(&result)), |
| "DXC compile")); |
| |
| HRESULT hr; |
| DAWN_TRY(CheckHRESULT(result->GetStatus(&hr), "DXC get status")); |
| |
| if (FAILED(hr)) { |
| ComPtr<IDxcBlobEncoding> errors; |
| DAWN_TRY(CheckHRESULT(result->GetErrorBuffer(&errors), "DXC get error buffer")); |
| |
| if (dumpShaders) { |
| return DAWN_VALIDATION_ERROR("DXC compile failed with: %s\n/* Generated HLSL: */\n%s\n", |
| static_cast<char*>(errors->GetBufferPointer()), |
| hlslSource.c_str()); |
| } |
| return DAWN_VALIDATION_ERROR("DXC compile failed."); |
| } |
| |
| ComPtr<IDxcBlob> compiledShader; |
| DAWN_TRY(CheckHRESULT(result->GetResult(&compiledShader), "DXC get result")); |
| return std::move(compiledShader); |
| } |
| |
| ResultOrError<ComPtr<ID3DBlob>> CompileShaderFXC(const d3d::D3DBytecodeCompilationRequest& r, |
| const std::string& entryPointName, |
| const std::string& hlslSource, |
| bool dumpShaders) { |
| ComPtr<ID3DBlob> compiledShader; |
| ComPtr<ID3DBlob> errors; |
| |
| auto result = r.d3dCompile(hlslSource.c_str(), hlslSource.length(), nullptr, nullptr, nullptr, |
| entryPointName.c_str(), r.fxcShaderProfile.data(), r.compileFlags, 0, |
| &compiledShader, &errors); |
| |
| if (dumpShaders) { |
| DAWN_INVALID_IF(FAILED(result), "FXC compile failed with: %s\n/* Generated HLSL: */\n%s\n", |
| static_cast<char*>(errors->GetBufferPointer()), hlslSource.c_str()); |
| } else { |
| DAWN_INVALID_IF(FAILED(result), "FXC compile failed."); |
| } |
| |
| return std::move(compiledShader); |
| } |
| |
| MaybeError TranslateToHLSL(d3d::HlslCompilationRequest r, |
| CacheKey::UnsafeUnkeyedValue<dawn::platform::Platform*> tracePlatform, |
| CompiledShader* compiledShader) { |
| std::ostringstream errorStream; |
| errorStream << "Tint HLSL failure:\n"; |
| |
| tint::ast::transform::Manager transformManager; |
| tint::ast::transform::DataMap transformInputs; |
| |
| // Run before the renamer so that the entry point name matches `entryPointName` still. |
| transformManager.Add<tint::ast::transform::SingleEntryPoint>(); |
| transformInputs.Add<tint::ast::transform::SingleEntryPoint::Config>(r.entryPointName.data()); |
| |
| if (r.useTintIR) { |
| r.tintOptions.strip_all_names = !r.disableSymbolRenaming; |
| r.tintOptions.remapped_entry_point_name = kRemappedEntryPointName; |
| } else { |
| // Needs to run before all other transforms so that they can use builtin names safely. |
| tint::ast::transform::Renamer::Remappings requestedNames = { |
| {std::string(r.entryPointName), kRemappedEntryPointName}}; |
| transformManager.Add<tint::ast::transform::Renamer>(); |
| transformInputs.Add<tint::ast::transform::Renamer::Config>( |
| r.disableSymbolRenaming ? tint::ast::transform::Renamer::Target::kHlslKeywords |
| : tint::ast::transform::Renamer::Target::kAll, |
| std::move(requestedNames)); |
| } |
| |
| if (r.stage == SingleShaderStage::Vertex) { |
| transformManager.Add<tint::ast::transform::FirstIndexOffset>(); |
| transformInputs.Add<tint::ast::transform::FirstIndexOffset::BindingPoint>( |
| r.firstIndexOffsetShaderRegister, r.firstIndexOffsetRegisterSpace); |
| } |
| |
| if (r.substituteOverrideConfig) { |
| // This needs to run after SingleEntryPoint transform which removes unused overrides for |
| // current entry point. |
| transformManager.Add<tint::ast::transform::SubstituteOverride>(); |
| transformInputs.Add<tint::ast::transform::SubstituteOverride::Config>( |
| std::move(r.substituteOverrideConfig).value()); |
| } |
| |
| tint::Program transformedProgram; |
| tint::ast::transform::DataMap transformOutputs; |
| { |
| TRACE_EVENT0(tracePlatform.UnsafeGetValue(), General, "RunTransforms"); |
| DAWN_TRY_ASSIGN(transformedProgram, |
| RunTransforms(&transformManager, r.inputProgram, transformInputs, |
| &transformOutputs, nullptr)); |
| } |
| |
| bool usesVertexIndex = false; |
| bool usesInstanceIndex = false; |
| if (r.stage == SingleShaderStage::Vertex) { |
| if (auto* data = transformOutputs.Get<tint::ast::transform::FirstIndexOffset::Data>()) { |
| usesVertexIndex = data->has_vertex_index; |
| usesInstanceIndex = data->has_instance_index; |
| } else { |
| return DAWN_VALIDATION_ERROR("Transform output missing first index offset data."); |
| } |
| } |
| |
| TRACE_EVENT0(tracePlatform.UnsafeGetValue(), General, "tint::hlsl::writer::Generate"); |
| tint::Result<tint::hlsl::writer::Output> result; |
| if (r.useTintIR) { |
| // Convert the AST program to an IR module. |
| auto ir = tint::wgsl::reader::ProgramToLoweredIR(transformedProgram); |
| DAWN_INVALID_IF(ir != tint::Success, "An error occurred while generating Tint IR\n%s", |
| ir.Failure().reason.Str()); |
| |
| result = tint::hlsl::writer::Generate(ir.Get(), r.tintOptions); |
| |
| // Workgroup validation has to come after `Generate` because it may require overrides to |
| // have been substituted. |
| if (r.stage == SingleShaderStage::Compute) { |
| // Validate workgroup size and workgroup storage size. |
| Extent3D _; |
| DAWN_TRY_ASSIGN( |
| _, ValidateComputeStageWorkgroupSize( |
| result->workgroup_info.x, result->workgroup_info.y, result->workgroup_info.z, |
| result->workgroup_info.storage_size, r.limits)); |
| } |
| } else { |
| // Validate workgroup size after program runs transforms. |
| if (r.stage == SingleShaderStage::Compute) { |
| Extent3D _; |
| DAWN_TRY_ASSIGN(_, ValidateComputeStageWorkgroupSize( |
| transformedProgram, kRemappedEntryPointName, r.limits)); |
| } |
| |
| result = tint::hlsl::writer::Generate(transformedProgram, r.tintOptions); |
| } |
| |
| DAWN_INVALID_IF(result != tint::Success, "An error occurred while generating HLSL:\n%s", |
| result.Failure().reason.Str()); |
| |
| compiledShader->usesVertexIndex = usesVertexIndex; |
| compiledShader->usesInstanceIndex = usesInstanceIndex; |
| compiledShader->hlslSource = std::move(result->hlsl); |
| return {}; |
| } |
| |
| } // anonymous namespace |
| |
| std::string CompileFlagsToString(uint32_t compileFlags) { |
| struct Flag { |
| uint32_t value; |
| const char* name; |
| }; |
| constexpr Flag flags[] = { |
| // Populated from d3dcompiler.h |
| #define F(f) Flag{f, #f} |
| F(D3DCOMPILE_DEBUG), |
| F(D3DCOMPILE_SKIP_VALIDATION), |
| F(D3DCOMPILE_SKIP_OPTIMIZATION), |
| F(D3DCOMPILE_PACK_MATRIX_ROW_MAJOR), |
| F(D3DCOMPILE_PACK_MATRIX_COLUMN_MAJOR), |
| F(D3DCOMPILE_PARTIAL_PRECISION), |
| F(D3DCOMPILE_FORCE_VS_SOFTWARE_NO_OPT), |
| F(D3DCOMPILE_FORCE_PS_SOFTWARE_NO_OPT), |
| F(D3DCOMPILE_NO_PRESHADER), |
| F(D3DCOMPILE_AVOID_FLOW_CONTROL), |
| F(D3DCOMPILE_PREFER_FLOW_CONTROL), |
| F(D3DCOMPILE_ENABLE_STRICTNESS), |
| F(D3DCOMPILE_ENABLE_BACKWARDS_COMPATIBILITY), |
| F(D3DCOMPILE_IEEE_STRICTNESS), |
| F(D3DCOMPILE_RESERVED16), |
| F(D3DCOMPILE_RESERVED17), |
| F(D3DCOMPILE_WARNINGS_ARE_ERRORS), |
| F(D3DCOMPILE_RESOURCES_MAY_ALIAS), |
| F(D3DCOMPILE_ENABLE_UNBOUNDED_DESCRIPTOR_TABLES), |
| F(D3DCOMPILE_ALL_RESOURCES_BOUND), |
| F(D3DCOMPILE_DEBUG_NAME_FOR_SOURCE), |
| F(D3DCOMPILE_DEBUG_NAME_FOR_BINARY), |
| #undef F |
| }; |
| |
| std::string result; |
| for (const Flag& f : flags) { |
| if ((compileFlags & f.value) != 0) { |
| result += f.name + std::string("\n"); |
| } |
| } |
| |
| // Optimization level must be handled separately as two bits are used, and the values |
| // don't map neatly to 0-3. |
| constexpr uint32_t d3dCompileFlagsBits = D3DCOMPILE_OPTIMIZATION_LEVEL2; |
| switch (compileFlags & d3dCompileFlagsBits) { |
| case D3DCOMPILE_OPTIMIZATION_LEVEL0: |
| result += "D3DCOMPILE_OPTIMIZATION_LEVEL0"; |
| break; |
| case D3DCOMPILE_OPTIMIZATION_LEVEL1: |
| result += "D3DCOMPILE_OPTIMIZATION_LEVEL1"; |
| break; |
| case D3DCOMPILE_OPTIMIZATION_LEVEL2: |
| result += "D3DCOMPILE_OPTIMIZATION_LEVEL2"; |
| break; |
| case D3DCOMPILE_OPTIMIZATION_LEVEL3: |
| result += "D3DCOMPILE_OPTIMIZATION_LEVEL3"; |
| break; |
| } |
| result += std::string("\n"); |
| |
| return result; |
| } |
| |
| ResultOrError<CompiledShader> CompileShader(d3d::D3DCompilationRequest r) { |
| CompiledShader compiledShader; |
| bool dumpShaders = r.hlsl.dumpShaders; |
| // Compile the source shader to HLSL. |
| DAWN_TRY(TranslateToHLSL(std::move(r.hlsl), r.tracePlatform, &compiledShader)); |
| |
| switch (r.bytecode.compiler) { |
| case d3d::Compiler::DXC: { |
| TRACE_EVENT0(r.tracePlatform.UnsafeGetValue(), General, "CompileShaderDXC"); |
| ComPtr<IDxcBlob> compiledDXCShader; |
| DAWN_TRY_ASSIGN(compiledDXCShader, |
| CompileShaderDXC(r.bytecode, kRemappedEntryPointName, |
| compiledShader.hlslSource, dumpShaders)); |
| compiledShader.shaderBlob = CreateBlob(std::move(compiledDXCShader)); |
| break; |
| } |
| case d3d::Compiler::FXC: { |
| TRACE_EVENT0(r.tracePlatform.UnsafeGetValue(), General, "CompileShaderFXC"); |
| ComPtr<ID3DBlob> compiledFXCShader; |
| DAWN_TRY_ASSIGN(compiledFXCShader, |
| CompileShaderFXC(r.bytecode, kRemappedEntryPointName, |
| compiledShader.hlslSource, dumpShaders)); |
| compiledShader.shaderBlob = CreateBlob(std::move(compiledFXCShader)); |
| break; |
| } |
| } |
| |
| // If dumpShaders is false, we don't need the HLSL for logging. Clear the contents so it |
| // isn't stored into the cache. |
| if (!dumpShaders) { |
| compiledShader.hlslSource = ""; |
| } |
| return compiledShader; |
| } |
| |
| void DumpFXCCompiledShader(Device* device, |
| const CompiledShader& compiledShader, |
| uint32_t compileFlags) { |
| std::ostringstream dumpedMsg; |
| DAWN_ASSERT(!compiledShader.hlslSource.empty()); |
| dumpedMsg << "/* Dumped generated HLSL */\n" << compiledShader.hlslSource << "\n"; |
| |
| const Blob& shaderBlob = compiledShader.shaderBlob; |
| DAWN_ASSERT(!shaderBlob.Empty()); |
| dumpedMsg << "/* FXC compile flags */\n" << CompileFlagsToString(compileFlags) << "\n"; |
| dumpedMsg << "/* Dumped disassembled DXBC */\n"; |
| ComPtr<ID3DBlob> disassembly; |
| UINT flags = |
| // Some literals are printed as floats with precision(6) which is not enough |
| // precision for values very close to 0, so always print literals as hex values. |
| D3D_DISASM_PRINT_HEX_LITERALS; |
| if (FAILED(device->GetFunctions()->d3dDisassemble(shaderBlob.Data(), shaderBlob.Size(), flags, |
| nullptr, &disassembly))) { |
| dumpedMsg << "D3D disassemble failed\n"; |
| } else { |
| dumpedMsg << std::string_view(static_cast<const char*>(disassembly->GetBufferPointer()), |
| disassembly->GetBufferSize()); |
| } |
| |
| std::string logMessage = dumpedMsg.str(); |
| if (!logMessage.empty()) { |
| device->EmitLog(WGPULoggingType_Info, logMessage.c_str()); |
| } |
| } |
| |
| InterStageShaderVariablesMask ToInterStageShaderVariablesMask(const std::vector<bool>& inputMask) { |
| InterStageShaderVariablesMask outputMask; |
| DAWN_ASSERT(inputMask.size() <= outputMask.size()); |
| for (size_t i = 0; i < inputMask.size(); ++i) { |
| outputMask[i] = inputMask[i]; |
| } |
| return outputMask; |
| } |
| |
| } // namespace dawn::native::d3d |
