| // Copyright 2019 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_PASSRESOURCEUSAGETRACKER_H_ |
| #define DAWNNATIVE_PASSRESOURCEUSAGETRACKER_H_ |
| |
| #include "dawn/native/PassResourceUsage.h" |
| |
| #include "dawn/native/dawn_platform.h" |
| |
| #include <map> |
| |
| namespace dawn::native { |
| |
| class BindGroupBase; |
| class BufferBase; |
| class ExternalTextureBase; |
| class QuerySetBase; |
| class TextureBase; |
| |
| using QueryAvailabilityMap = std::map<QuerySetBase*, std::vector<bool>>; |
| |
| // Helper class to build SyncScopeResourceUsages |
| class SyncScopeUsageTracker { |
| public: |
| void BufferUsedAs(BufferBase* buffer, wgpu::BufferUsage usage); |
| void TextureViewUsedAs(TextureViewBase* texture, wgpu::TextureUsage usage); |
| void AddRenderBundleTextureUsage(TextureBase* texture, |
| const TextureSubresourceUsage& textureUsage); |
| |
| // Walks the bind groups and tracks all its resources. |
| void AddBindGroup(BindGroupBase* group); |
| |
| // Returns the per-pass usage for use by backends for APIs with explicit barriers. |
| SyncScopeResourceUsage AcquireSyncScopeUsage(); |
| |
| private: |
| std::map<BufferBase*, wgpu::BufferUsage> mBufferUsages; |
| std::map<TextureBase*, TextureSubresourceUsage> mTextureUsages; |
| std::set<ExternalTextureBase*> mExternalTextureUsages; |
| }; |
| |
| // Helper class to build ComputePassResourceUsages |
| class ComputePassResourceUsageTracker { |
| public: |
| void AddDispatch(SyncScopeResourceUsage scope); |
| void AddReferencedBuffer(BufferBase* buffer); |
| void AddResourcesReferencedByBindGroup(BindGroupBase* group); |
| |
| ComputePassResourceUsage AcquireResourceUsage(); |
| |
| private: |
| ComputePassResourceUsage mUsage; |
| }; |
| |
| // Helper class to build RenderPassResourceUsages |
| class RenderPassResourceUsageTracker : public SyncScopeUsageTracker { |
| public: |
| void TrackQueryAvailability(QuerySetBase* querySet, uint32_t queryIndex); |
| const QueryAvailabilityMap& GetQueryAvailabilityMap() const; |
| |
| RenderPassResourceUsage AcquireResourceUsage(); |
| |
| private: |
| // Hide AcquireSyncScopeUsage since users of this class should use AcquireResourceUsage |
| // instead. |
| using SyncScopeUsageTracker::AcquireSyncScopeUsage; |
| |
| // Tracks queries used in the render pass to validate that they aren't written twice. |
| QueryAvailabilityMap mQueryAvailabilities; |
| }; |
| |
| } // namespace dawn::native |
| |
| #endif // DAWNNATIVE_PASSRESOURCEUSAGETRACKER_H_ |