| // 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_VULKAN_BUFFERVK_H_ |
| #define DAWNNATIVE_VULKAN_BUFFERVK_H_ |
| |
| #include "dawn_native/Buffer.h" |
| |
| #include "common/SerialQueue.h" |
| #include "common/vulkan_platform.h" |
| #include "dawn_native/ResourceMemoryAllocation.h" |
| |
| namespace dawn::native::vulkan { |
| |
| struct CommandRecordingContext; |
| class Device; |
| |
| class Buffer final : public BufferBase { |
| public: |
| static ResultOrError<Ref<Buffer>> Create(Device* device, |
| const BufferDescriptor* descriptor); |
| |
| VkBuffer GetHandle() const; |
| |
| // Transitions the buffer to be used as `usage`, recording any necessary barrier in |
| // `commands`. |
| // TODO(crbug.com/dawn/851): coalesce barriers and do them early when possible. |
| void TransitionUsageNow(CommandRecordingContext* recordingContext, wgpu::BufferUsage usage); |
| bool TransitionUsageAndGetResourceBarrier(wgpu::BufferUsage usage, |
| VkBufferMemoryBarrier* barrier, |
| VkPipelineStageFlags* srcStages, |
| VkPipelineStageFlags* dstStages); |
| |
| // All the Ensure methods return true if the buffer was initialized to zero. |
| bool EnsureDataInitialized(CommandRecordingContext* recordingContext); |
| bool EnsureDataInitializedAsDestination(CommandRecordingContext* recordingContext, |
| uint64_t offset, |
| uint64_t size); |
| bool EnsureDataInitializedAsDestination(CommandRecordingContext* recordingContext, |
| const CopyTextureToBufferCmd* copy); |
| |
| // Dawn API |
| void SetLabelImpl() override; |
| |
| private: |
| ~Buffer() override; |
| using BufferBase::BufferBase; |
| |
| MaybeError Initialize(bool mappedAtCreation); |
| void InitializeToZero(CommandRecordingContext* recordingContext); |
| void ClearBuffer(CommandRecordingContext* recordingContext, |
| uint32_t clearValue, |
| uint64_t offset = 0, |
| uint64_t size = 0); |
| |
| 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; |
| |
| VkBuffer mHandle = VK_NULL_HANDLE; |
| ResourceMemoryAllocation mMemoryAllocation; |
| |
| wgpu::BufferUsage mLastUsage = wgpu::BufferUsage::None; |
| }; |
| |
| } // namespace dawn::native::vulkan |
| |
| #endif // DAWNNATIVE_VULKAN_BUFFERVK_H_ |