| // Copyright 2020 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_D3D12_GPUDESCRIPTORHEAPALLOCATION_H_ |
| #define DAWNNATIVE_D3D12_GPUDESCRIPTORHEAPALLOCATION_H_ |
| |
| #include "dawn/native/IntegerTypes.h" |
| #include "dawn/native/d3d12/IntegerTypes.h" |
| #include "dawn/native/d3d12/d3d12_platform.h" |
| |
| namespace dawn::native::d3d12 { |
| |
| // Wrapper for a handle into a GPU-only descriptor heap. |
| class GPUDescriptorHeapAllocation { |
| public: |
| GPUDescriptorHeapAllocation() = default; |
| GPUDescriptorHeapAllocation(D3D12_GPU_DESCRIPTOR_HANDLE baseDescriptor, |
| ExecutionSerial lastUsageSerial, |
| HeapVersionID heapSerial); |
| |
| D3D12_GPU_DESCRIPTOR_HANDLE GetBaseDescriptor() const; |
| ExecutionSerial GetLastUsageSerial() const; |
| HeapVersionID GetHeapSerial() const; |
| |
| private: |
| D3D12_GPU_DESCRIPTOR_HANDLE mBaseDescriptor = {0}; |
| ExecutionSerial mLastUsageSerial = ExecutionSerial(0); |
| HeapVersionID mHeapSerial = HeapVersionID(0); |
| }; |
| |
| } // namespace dawn::native::d3d12 |
| |
| #endif // DAWNNATIVE_D3D12_CPUDESCRIPTORHEAPALLOCATION_H_ |