| // 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_OPENGL_BUFFERGL_H_ |
| #define DAWNNATIVE_OPENGL_BUFFERGL_H_ |
| |
| #include "dawn/native/Buffer.h" |
| |
| #include "dawn/native/opengl/opengl_platform.h" |
| |
| namespace dawn::native::opengl { |
| |
| class Device; |
| |
| class Buffer final : public BufferBase { |
| public: |
| static ResultOrError<Ref<Buffer>> CreateInternalBuffer(Device* device, |
| const BufferDescriptor* descriptor, |
| bool shouldLazyClear); |
| |
| Buffer(Device* device, const BufferDescriptor* descriptor); |
| |
| GLuint GetHandle() const; |
| |
| bool EnsureDataInitialized(); |
| bool EnsureDataInitializedAsDestination(uint64_t offset, uint64_t size); |
| bool EnsureDataInitializedAsDestination(const CopyTextureToBufferCmd* copy); |
| |
| private: |
| Buffer(Device* device, const BufferDescriptor* descriptor, bool shouldLazyClear); |
| ~Buffer() override; |
| MaybeError MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) override; |
| void UnmapImpl() override; |
| void DestroyImpl() override; |
| bool IsCPUWritableAtCreation() const override; |
| MaybeError MapAtCreationImpl() override; |
| void* GetMappedPointerImpl() override; |
| |
| void InitializeToZero(); |
| |
| GLuint mBuffer = 0; |
| void* mMappedData = nullptr; |
| }; |
| |
| } // namespace dawn::native::opengl |
| |
| #endif // DAWNNATIVE_OPENGL_BUFFERGL_H_ |