| // Copyright 2017 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. |
| |
| #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" |
| #include "partition_alloc/pointers/raw_ptr_exclusion.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 offset, uint64_t size); |
| void UnsetVertexBuffer(VertexBufferSlot slot); |
| void SetVertexBuffer(VertexBufferSlot slot, uint64_t size); |
| void End(); |
| |
| 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; |
| uint64_t GetIndexBufferOffset() const; |
| |
| private: |
| MaybeError ValidateOperation(ValidationAspects requiredAspects); |
| void RecomputeLazyAspects(ValidationAspects aspects); |
| MaybeError CheckMissingAspects(ValidationAspects aspects); |
| |
| void SetPipelineCommon(PipelineBase* pipeline); |
| |
| ValidationAspects mAspects; |
| |
| VertexBufferMask mVertexBuffersUsed; |
| PerVertexBuffer<uint64_t> mVertexBufferSizes = {}; |
| |
| bool mIndexBufferSet = false; |
| wgpu::IndexFormat mIndexFormat; |
| uint64_t mIndexBufferSize = 0; |
| uint64_t mIndexBufferOffset = 0; |
| |
| // RAW_PTR_EXCLUSION: These pointers are very hot in command recording code and point at |
| // various objects referenced by the object graph of the CommandBuffer so they cannot be |
| // freed from underneath this class. |
| RAW_PTR_EXCLUSION PerBindGroup<BindGroupBase*> mBindgroups = {}; |
| PerBindGroup<std::vector<uint32_t>> mDynamicOffsets = {}; |
| |
| RAW_PTR_EXCLUSION PipelineLayoutBase* mLastPipelineLayout = nullptr; |
| RAW_PTR_EXCLUSION PipelineBase* mLastPipeline = nullptr; |
| RAW_PTR_EXCLUSION const RequiredBufferSizes* mMinBufferSizes = nullptr; |
| }; |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_COMMANDBUFFERSTATETRACKER_H_ |