| // 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 SRC_DAWN_NATIVE_D3D12_HEAPALLOCATORD3D12_H_ |
| #define SRC_DAWN_NATIVE_D3D12_HEAPALLOCATORD3D12_H_ |
| |
| #include <memory> |
| |
| #include "dawn/native/D3D12Backend.h" |
| #include "dawn/native/ResourceHeapAllocator.h" |
| #include "dawn/native/d3d12/d3d12_platform.h" |
| |
| namespace dawn::native::d3d12 { |
| |
| class Device; |
| |
| // Wrapper to allocate a D3D12 heap. |
| class HeapAllocator : public ResourceHeapAllocator { |
| public: |
| HeapAllocator(Device* device, |
| D3D12_HEAP_TYPE heapType, |
| D3D12_HEAP_FLAGS heapFlags, |
| MemorySegment memorySegment); |
| ~HeapAllocator() override = default; |
| |
| ResultOrError<std::unique_ptr<ResourceHeapBase>> AllocateResourceHeap(uint64_t size) override; |
| void DeallocateResourceHeap(std::unique_ptr<ResourceHeapBase> allocation) override; |
| |
| private: |
| Device* mDevice; |
| D3D12_HEAP_TYPE mHeapType; |
| D3D12_HEAP_FLAGS mHeapFlags; |
| MemorySegment mMemorySegment; |
| }; |
| |
| } // namespace dawn::native::d3d12 |
| |
| #endif // SRC_DAWN_NATIVE_D3D12_HEAPALLOCATORD3D12_H_ |