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// 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 DAWNNATIVE_D3D12_HEAPALLOCATORD3D12_H_
#define DAWNNATIVE_D3D12_HEAPALLOCATORD3D12_H_
#include "dawn_native/D3D12Backend.h"
#include "dawn_native/ResourceHeapAllocator.h"
#include "dawn_native/d3d12/d3d12_platform.h"
namespace dawn_native { namespace 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 // DAWNNATIVE_D3D12_HEAPALLOCATORD3D12_H_