| // 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 SRC_DAWN_NATIVE_COMMANDBUFFERSTATETRACKER_H_ |
| #define SRC_DAWN_NATIVE_COMMANDBUFFERSTATETRACKER_H_ |
| |
| #include <vector> |
| |
| #include "dawn/common/Constants.h" |
| #include "dawn/common/ityp_array.h" |
| #include "dawn/common/ityp_bitset.h" |
| #include "dawn/native/BindingInfo.h" |
| #include "dawn/native/Error.h" |
| #include "dawn/native/Forward.h" |
| |
| namespace dawn::native { |
| |
| class CommandBufferStateTracker { |
| public: |
| CommandBufferStateTracker(); |
| CommandBufferStateTracker(const CommandBufferStateTracker&); |
| CommandBufferStateTracker(CommandBufferStateTracker&&); |
| ~CommandBufferStateTracker(); |
| |
| CommandBufferStateTracker& operator=(const CommandBufferStateTracker&); |
| CommandBufferStateTracker& operator=(CommandBufferStateTracker&&); |
| |
| // Non-state-modifying validation functions |
| MaybeError ValidateCanDispatch(); |
| MaybeError ValidateCanDraw(); |
| MaybeError ValidateCanDrawIndexed(); |
| MaybeError ValidateNoDifferentTextureViewsOnSameTexture(); |
| MaybeError ValidateBufferInRangeForVertexBuffer(uint32_t vertexCount, uint32_t firstVertex); |
| MaybeError ValidateBufferInRangeForInstanceBuffer(uint32_t instanceCount, |
| uint32_t firstInstance); |
| MaybeError ValidateIndexBufferInRange(uint32_t indexCount, uint32_t firstIndex); |
| |
| // State-modifying methods |
| void SetComputePipeline(ComputePipelineBase* pipeline); |
| void SetRenderPipeline(RenderPipelineBase* pipeline); |
| void UnsetBindGroup(BindGroupIndex index); |
| void SetBindGroup(BindGroupIndex index, |
| BindGroupBase* bindgroup, |
| uint32_t dynamicOffsetCount, |
| const uint32_t* dynamicOffsets); |
| void SetIndexBuffer(wgpu::IndexFormat format, uint64_t size); |
| void UnsetVertexBuffer(VertexBufferSlot slot); |
| void SetVertexBuffer(VertexBufferSlot slot, uint64_t size); |
| |
| static constexpr size_t kNumAspects = 4; |
| using ValidationAspects = std::bitset<kNumAspects>; |
| |
| BindGroupBase* GetBindGroup(BindGroupIndex index) const; |
| const std::vector<uint32_t>& GetDynamicOffsets(BindGroupIndex index) const; |
| bool HasPipeline() const; |
| RenderPipelineBase* GetRenderPipeline() const; |
| ComputePipelineBase* GetComputePipeline() const; |
| PipelineLayoutBase* GetPipelineLayout() const; |
| wgpu::IndexFormat GetIndexFormat() const; |
| uint64_t GetIndexBufferSize() const; |
| |
| private: |
| MaybeError ValidateOperation(ValidationAspects requiredAspects); |
| void RecomputeLazyAspects(ValidationAspects aspects); |
| MaybeError CheckMissingAspects(ValidationAspects aspects); |
| |
| void SetPipelineCommon(PipelineBase* pipeline); |
| |
| ValidationAspects mAspects; |
| |
| ityp::array<BindGroupIndex, BindGroupBase*, kMaxBindGroups> mBindgroups = {}; |
| ityp::array<BindGroupIndex, std::vector<uint32_t>, kMaxBindGroups> mDynamicOffsets = {}; |
| ityp::bitset<VertexBufferSlot, kMaxVertexBuffers> mVertexBufferSlotsUsed; |
| bool mIndexBufferSet = false; |
| wgpu::IndexFormat mIndexFormat; |
| uint64_t mIndexBufferSize = 0; |
| |
| ityp::array<VertexBufferSlot, uint64_t, kMaxVertexBuffers> mVertexBufferSizes = {}; |
| |
| PipelineLayoutBase* mLastPipelineLayout = nullptr; |
| PipelineBase* mLastPipeline = nullptr; |
| |
| const RequiredBufferSizes* mMinBufferSizes = nullptr; |
| }; |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_COMMANDBUFFERSTATETRACKER_H_ |