| // Copyright 2017 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "dawn_native/d3d12/ShaderModuleD3D12.h" |
| |
| #include "common/Assert.h" |
| #include "common/BitSetIterator.h" |
| #include "dawn_native/d3d12/BindGroupLayoutD3D12.h" |
| #include "dawn_native/d3d12/DeviceD3D12.h" |
| #include "dawn_native/d3d12/PipelineLayoutD3D12.h" |
| |
| #include <spirv_hlsl.hpp> |
| |
| namespace dawn_native { namespace d3d12 { |
| |
| // static |
| ResultOrError<ShaderModule*> ShaderModule::Create(Device* device, |
| const ShaderModuleDescriptor* descriptor) { |
| std::unique_ptr<ShaderModule> module(new ShaderModule(device, descriptor)); |
| if (!module) |
| return DAWN_VALIDATION_ERROR("Unable to create ShaderModule"); |
| DAWN_TRY(module->Initialize(descriptor)); |
| return module.release(); |
| } |
| |
| ShaderModule::ShaderModule(Device* device, const ShaderModuleDescriptor* descriptor) |
| : ShaderModuleBase(device, descriptor) { |
| } |
| |
| MaybeError ShaderModule::Initialize(const ShaderModuleDescriptor* descriptor) { |
| mSpirv.assign(descriptor->code, descriptor->code + descriptor->codeSize); |
| if (GetDevice()->IsToggleEnabled(Toggle::UseSpvc)) { |
| shaderc_spvc::CompileOptions options; |
| |
| options.SetHLSLShaderModel(51); |
| // PointCoord and PointSize are not supported in HLSL |
| // TODO (hao.x.li@intel.com): The point_coord_compat and point_size_compat are |
| // required temporarily for https://bugs.chromium.org/p/dawn/issues/detail?id=146, |
| // but should be removed once WebGPU requires there is no gl_PointSize builtin. |
| // See https://github.com/gpuweb/gpuweb/issues/332 |
| options.SetHLSLPointCoordCompat(true); |
| options.SetHLSLPointSizeCompat(true); |
| |
| shaderc_spvc_status status = |
| mSpvcContext.InitializeForHlsl(descriptor->code, descriptor->codeSize, options); |
| if (status != shaderc_spvc_status_success) { |
| return DAWN_VALIDATION_ERROR("Unable to initialize instance of spvc"); |
| } |
| |
| spirv_cross::Compiler* compiler = |
| reinterpret_cast<spirv_cross::Compiler*>(mSpvcContext.GetCompiler()); |
| ExtractSpirvInfo(*compiler); |
| } else { |
| spirv_cross::CompilerHLSL compiler(descriptor->code, descriptor->codeSize); |
| ExtractSpirvInfo(compiler); |
| } |
| return {}; |
| } |
| |
| ResultOrError<std::string> ShaderModule::GetHLSLSource(PipelineLayout* layout) { |
| std::unique_ptr<spirv_cross::CompilerHLSL> compiler_impl; |
| spirv_cross::CompilerHLSL* compiler; |
| if (!GetDevice()->IsToggleEnabled(Toggle::UseSpvc)) { |
| // If these options are changed, the values in DawnSPIRVCrossHLSLFastFuzzer.cpp need to |
| // be updated. |
| spirv_cross::CompilerGLSL::Options options_glsl; |
| |
| spirv_cross::CompilerHLSL::Options options_hlsl; |
| options_hlsl.shader_model = 51; |
| // PointCoord and PointSize are not supported in HLSL |
| // TODO (hao.x.li@intel.com): The point_coord_compat and point_size_compat are |
| // required temporarily for https://bugs.chromium.org/p/dawn/issues/detail?id=146, |
| // but should be removed once WebGPU requires there is no gl_PointSize builtin. |
| // See https://github.com/gpuweb/gpuweb/issues/332 |
| options_hlsl.point_coord_compat = true; |
| options_hlsl.point_size_compat = true; |
| |
| compiler_impl = std::make_unique<spirv_cross::CompilerHLSL>(mSpirv); |
| compiler = compiler_impl.get(); |
| compiler->set_common_options(options_glsl); |
| compiler->set_hlsl_options(options_hlsl); |
| } |
| |
| const ModuleBindingInfo& moduleBindingInfo = GetBindingInfo(); |
| for (uint32_t group : IterateBitSet(layout->GetBindGroupLayoutsMask())) { |
| const auto& bindingOffsets = |
| ToBackend(layout->GetBindGroupLayout(group))->GetBindingOffsets(); |
| const auto& groupBindingInfo = moduleBindingInfo[group]; |
| for (uint32_t binding = 0; binding < groupBindingInfo.size(); ++binding) { |
| const BindingInfo& bindingInfo = groupBindingInfo[binding]; |
| if (bindingInfo.used) { |
| uint32_t bindingOffset = bindingOffsets[binding]; |
| if (GetDevice()->IsToggleEnabled(Toggle::UseSpvc)) { |
| if (mSpvcContext.SetDecoration( |
| bindingInfo.id, SHADERC_SPVC_DECORATION_BINDING, bindingOffset) != |
| shaderc_spvc_status_success) { |
| return DAWN_VALIDATION_ERROR( |
| "Unable to set decorating binding before generating HLSL shader w/ " |
| "spvc"); |
| } |
| } else { |
| compiler->set_decoration(bindingInfo.id, spv::DecorationBinding, |
| bindingOffset); |
| } |
| } |
| } |
| } |
| if (GetDevice()->IsToggleEnabled(Toggle::UseSpvc)) { |
| shaderc_spvc::CompilationResult result; |
| if (mSpvcContext.CompileShader(&result) != shaderc_spvc_status_success) { |
| return DAWN_VALIDATION_ERROR("Unable to generate HLSL shader w/ spvc"); |
| } |
| std::string result_string = |
| result.GetStringOutput(); // Stripping const for ResultOrError |
| return result_string; |
| } else { |
| return compiler->compile(); |
| } |
| } |
| |
| }} // namespace dawn_native::d3d12 |