| // 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/ComputePipelineD3D12.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "dawn/native/CreatePipelineAsyncTask.h" |
| #include "dawn/native/d3d/BlobD3D.h" |
| #include "dawn/native/d3d/D3DError.h" |
| #include "dawn/native/d3d12/DeviceD3D12.h" |
| #include "dawn/native/d3d12/PipelineLayoutD3D12.h" |
| #include "dawn/native/d3d12/PlatformFunctionsD3D12.h" |
| #include "dawn/native/d3d12/ShaderModuleD3D12.h" |
| #include "dawn/native/d3d12/UtilsD3D12.h" |
| |
| namespace dawn::native::d3d12 { |
| |
| Ref<ComputePipeline> ComputePipeline::CreateUninitialized( |
| Device* device, |
| const ComputePipelineDescriptor* descriptor) { |
| return AcquireRef(new ComputePipeline(device, descriptor)); |
| } |
| |
| MaybeError ComputePipeline::Initialize() { |
| Device* device = ToBackend(GetDevice()); |
| uint32_t compileFlags = 0; |
| |
| if (!device->IsToggleEnabled(Toggle::UseDXC) && |
| !device->IsToggleEnabled(Toggle::FxcOptimizations)) { |
| compileFlags |= D3DCOMPILE_OPTIMIZATION_LEVEL0; |
| } |
| |
| if (device->IsToggleEnabled(Toggle::EmitHLSLDebugSymbols)) { |
| compileFlags |= D3DCOMPILE_DEBUG | D3DCOMPILE_SKIP_OPTIMIZATION; |
| } |
| |
| // Tint does matrix multiplication expecting row major matrices |
| compileFlags |= D3DCOMPILE_PACK_MATRIX_ROW_MAJOR; |
| |
| // FXC can miscompile code that depends on special float values (NaN, INF, etc) when IEEE |
| // strictness is not enabled. See crbug.com/tint/976. |
| compileFlags |= D3DCOMPILE_IEEE_STRICTNESS; |
| |
| const ProgrammableStage& computeStage = GetStage(SingleShaderStage::Compute); |
| ShaderModule* module = ToBackend(computeStage.module.Get()); |
| |
| D3D12_COMPUTE_PIPELINE_STATE_DESC d3dDesc = {}; |
| d3dDesc.pRootSignature = ToBackend(GetLayout())->GetRootSignature(); |
| |
| // TODO(dawn:549): Compile shader everytime before we implement compiled shader cache |
| d3d::CompiledShader compiledShader; |
| DAWN_TRY_ASSIGN(compiledShader, module->Compile(computeStage, SingleShaderStage::Compute, |
| ToBackend(GetLayout()), compileFlags)); |
| d3dDesc.CS = {compiledShader.shaderBlob.Data(), compiledShader.shaderBlob.Size()}; |
| |
| StreamIn(&mCacheKey, d3dDesc, ToBackend(GetLayout())->GetRootSignatureBlob()); |
| |
| // Try to see if we have anything in the blob cache. |
| Blob blob = device->LoadCachedBlob(GetCacheKey()); |
| const bool cacheHit = !blob.Empty(); |
| if (cacheHit) { |
| // Cache hits, attach cached blob to descriptor. |
| d3dDesc.CachedPSO.pCachedBlob = blob.Data(); |
| d3dDesc.CachedPSO.CachedBlobSizeInBytes = blob.Size(); |
| } |
| |
| auto* d3d12Device = device->GetD3D12Device(); |
| DAWN_TRY(CheckHRESULT( |
| d3d12Device->CreateComputePipelineState(&d3dDesc, IID_PPV_ARGS(&mPipelineState)), |
| "D3D12 creating pipeline state")); |
| |
| if (!cacheHit) { |
| // Cache misses, need to get pipeline cached blob and store. |
| ComPtr<ID3DBlob> d3dBlob; |
| DAWN_TRY(CheckHRESULT(GetPipelineState()->GetCachedBlob(&d3dBlob), |
| "D3D12 compute pipeline state get cached blob")); |
| device->StoreCachedBlob(GetCacheKey(), CreateBlob(std::move(d3dBlob))); |
| } |
| |
| SetLabelImpl(); |
| |
| return {}; |
| } |
| |
| ComputePipeline::~ComputePipeline() = default; |
| |
| void ComputePipeline::DestroyImpl() { |
| ComputePipelineBase::DestroyImpl(); |
| ToBackend(GetDevice())->ReferenceUntilUnused(mPipelineState); |
| } |
| |
| ID3D12PipelineState* ComputePipeline::GetPipelineState() const { |
| return mPipelineState.Get(); |
| } |
| |
| void ComputePipeline::SetLabelImpl() { |
| SetDebugName(ToBackend(GetDevice()), GetPipelineState(), "Dawn_ComputePipeline", GetLabel()); |
| } |
| |
| void ComputePipeline::InitializeAsync(Ref<ComputePipelineBase> computePipeline, |
| WGPUCreateComputePipelineAsyncCallback callback, |
| void* userdata) { |
| std::unique_ptr<CreateComputePipelineAsyncTask> asyncTask = |
| std::make_unique<CreateComputePipelineAsyncTask>(std::move(computePipeline), callback, |
| userdata); |
| CreateComputePipelineAsyncTask::RunAsync(std::move(asyncTask)); |
| } |
| |
| bool ComputePipeline::UsesNumWorkgroups() const { |
| return GetStage(SingleShaderStage::Compute).metadata->usesNumWorkgroups; |
| } |
| |
| ComPtr<ID3D12CommandSignature> ComputePipeline::GetDispatchIndirectCommandSignature() { |
| if (UsesNumWorkgroups()) { |
| return ToBackend(GetLayout())->GetDispatchIndirectCommandSignatureWithNumWorkgroups(); |
| } |
| return ToBackend(GetDevice())->GetDispatchIndirectSignature(); |
| } |
| |
| } // namespace dawn::native::d3d12 |