| // 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_METAL_BUFFERMTL_H_ |
| #define DAWNNATIVE_METAL_BUFFERMTL_H_ |
| |
| #include "common/NSRef.h" |
| #include "common/SerialQueue.h" |
| #include "dawn_native/Buffer.h" |
| |
| #import <Metal/Metal.h> |
| |
| namespace dawn_native { namespace metal { |
| |
| class CommandRecordingContext; |
| class Device; |
| |
| class Buffer final : public BufferBase { |
| public: |
| static ResultOrError<Ref<Buffer>> Create(Device* device, |
| const BufferDescriptor* descriptor); |
| id<MTLBuffer> GetMTLBuffer() const; |
| |
| void EnsureDataInitialized(CommandRecordingContext* commandContext); |
| void EnsureDataInitializedAsDestination(CommandRecordingContext* commandContext, |
| uint64_t offset, |
| uint64_t size); |
| void EnsureDataInitializedAsDestination(CommandRecordingContext* commandContext, |
| const CopyTextureToBufferCmd* copy); |
| |
| static uint64_t QueryMaxBufferLength(id<MTLDevice> mtlDevice); |
| |
| private: |
| using BufferBase::BufferBase; |
| MaybeError Initialize(bool mappedAtCreation); |
| |
| ~Buffer() override; |
| MaybeError MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) override; |
| void UnmapImpl() override; |
| void DestroyImpl() override; |
| void* GetMappedPointerImpl() override; |
| bool IsCPUWritableAtCreation() const override; |
| MaybeError MapAtCreationImpl() override; |
| |
| void InitializeToZero(CommandRecordingContext* commandContext); |
| void ClearBuffer(CommandRecordingContext* commandContext, |
| uint8_t clearValue, |
| uint64_t offset = 0, |
| uint64_t size = 0); |
| |
| NSPRef<id<MTLBuffer>> mMtlBuffer; |
| }; |
| |
| }} // namespace dawn_native::metal |
| |
| #endif // DAWNNATIVE_METAL_BUFFERMTL_H_ |