| // 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. |
| |
| #ifndef DAWNNATIVE_D3D12_PIPELINELAYOUTD3D12_H_ |
| #define DAWNNATIVE_D3D12_PIPELINELAYOUTD3D12_H_ |
| |
| #include "common/Constants.h" |
| #include "common/ityp_array.h" |
| #include "dawn_native/BindingInfo.h" |
| #include "dawn_native/PipelineLayout.h" |
| #include "dawn_native/d3d12/d3d12_platform.h" |
| |
| namespace dawn_native { namespace d3d12 { |
| |
| // We reserve a register space that a user cannot use. |
| static constexpr uint32_t kReservedRegisterSpace = kMaxBindGroups + 1; |
| static constexpr uint32_t kFirstOffsetInfoBaseRegister = 0; |
| static constexpr uint32_t kFirstIndexOffsetRegisterSpace = kReservedRegisterSpace; |
| static constexpr uint32_t kNumWorkgroupsRegisterSpace = kReservedRegisterSpace + 1; |
| static constexpr uint32_t kNumWorkgroupsBaseRegister = 0; |
| |
| class Device; |
| |
| class PipelineLayout final : public PipelineLayoutBase { |
| public: |
| static ResultOrError<Ref<PipelineLayout>> Create( |
| Device* device, |
| const PipelineLayoutDescriptor* descriptor); |
| |
| uint32_t GetCbvUavSrvRootParameterIndex(BindGroupIndex group) const; |
| uint32_t GetSamplerRootParameterIndex(BindGroupIndex group) const; |
| |
| // Returns the index of the root parameter reserved for a dynamic buffer binding |
| uint32_t GetDynamicRootParameterIndex(BindGroupIndex group, |
| BindingIndex bindingIndex) const; |
| |
| uint32_t GetFirstIndexOffsetRegisterSpace() const; |
| uint32_t GetFirstIndexOffsetShaderRegister() const; |
| uint32_t GetFirstIndexOffsetParameterIndex() const; |
| |
| uint32_t GetNumWorkgroupsRegisterSpace() const; |
| uint32_t GetNumWorkgroupsShaderRegister() const; |
| uint32_t GetNumWorkgroupsParameterIndex() const; |
| |
| ID3D12RootSignature* GetRootSignature() const; |
| |
| private: |
| ~PipelineLayout() override = default; |
| using PipelineLayoutBase::PipelineLayoutBase; |
| MaybeError Initialize(); |
| ityp::array<BindGroupIndex, uint32_t, kMaxBindGroups> mCbvUavSrvRootParameterInfo; |
| ityp::array<BindGroupIndex, uint32_t, kMaxBindGroups> mSamplerRootParameterInfo; |
| ityp::array<BindGroupIndex, |
| ityp::array<BindingIndex, uint32_t, kMaxDynamicBuffersPerPipelineLayout>, |
| kMaxBindGroups> |
| mDynamicRootParameterIndices; |
| uint32_t mFirstIndexOffsetParameterIndex; |
| uint32_t mNumWorkgroupsParamterIndex; |
| ComPtr<ID3D12RootSignature> mRootSignature; |
| }; |
| |
| }} // namespace dawn_native::d3d12 |
| |
| #endif // DAWNNATIVE_D3D12_PIPELINELAYOUTD3D12_H_ |