| // 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_COMMANDBUFFER_H_ |
| #define DAWNNATIVE_COMMANDBUFFER_H_ |
| |
| #include "dawn_native/dawn_platform.h" |
| |
| #include "dawn_native/Builder.h" |
| #include "dawn_native/CommandAllocator.h" |
| #include "dawn_native/Error.h" |
| #include "dawn_native/ObjectBase.h" |
| #include "dawn_native/PassResourceUsage.h" |
| |
| #include <memory> |
| #include <set> |
| #include <utility> |
| |
| namespace dawn_native { |
| |
| class BindGroupBase; |
| class BufferBase; |
| class FramebufferBase; |
| class DeviceBase; |
| class PipelineBase; |
| class RenderPassBase; |
| class TextureBase; |
| |
| class CommandBufferBuilder; |
| |
| class CommandBufferBase : public ObjectBase { |
| public: |
| CommandBufferBase(CommandBufferBuilder* builder); |
| |
| const CommandBufferResourceUsage& GetResourceUsages() const; |
| |
| private: |
| CommandBufferResourceUsage mResourceUsages; |
| }; |
| |
| class CommandBufferBuilder : public Builder<CommandBufferBase> { |
| public: |
| CommandBufferBuilder(DeviceBase* device); |
| ~CommandBufferBuilder(); |
| |
| MaybeError ValidateGetResult(); |
| |
| CommandIterator AcquireCommands(); |
| CommandBufferResourceUsage AcquireResourceUsages(); |
| |
| // Dawn API |
| ComputePassEncoderBase* BeginComputePass(); |
| RenderPassEncoderBase* BeginRenderPass(RenderPassDescriptorBase* info); |
| void CopyBufferToBuffer(BufferBase* source, |
| uint32_t sourceOffset, |
| BufferBase* destination, |
| uint32_t destinationOffset, |
| uint32_t size); |
| void CopyBufferToTexture(const BufferCopyView* source, |
| const TextureCopyView* destination, |
| const Extent3D* copySize); |
| void CopyTextureToBuffer(const TextureCopyView* source, |
| const BufferCopyView* destination, |
| const Extent3D* copySize); |
| |
| // Functions to interact with the encoders |
| bool ConsumedError(MaybeError maybeError) { |
| if (DAWN_UNLIKELY(maybeError.IsError())) { |
| ConsumeError(maybeError.AcquireError()); |
| return true; |
| } |
| return false; |
| } |
| |
| void PassEnded(); |
| |
| private: |
| friend class CommandBufferBase; |
| |
| enum class EncodingState : uint8_t; |
| EncodingState mEncodingState; |
| |
| CommandBufferBase* GetResultImpl() override; |
| void MoveToIterator(); |
| |
| MaybeError ValidateComputePass(); |
| MaybeError ValidateRenderPass(RenderPassDescriptorBase* renderPass); |
| |
| MaybeError ValidateCanRecordTopLevelCommands() const; |
| |
| void ConsumeError(ErrorData* error); |
| |
| CommandAllocator mAllocator; |
| CommandIterator mIterator; |
| bool mWasMovedToIterator = false; |
| bool mWereCommandsAcquired = false; |
| |
| bool mWereResourceUsagesAcquired = false; |
| CommandBufferResourceUsage mResourceUsages; |
| }; |
| |
| } // namespace dawn_native |
| |
| #endif // DAWNNATIVE_COMMANDBUFFER_H_ |