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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_HEAPD3D12_H_
#define DAWNNATIVE_D3D12_HEAPD3D12_H_
#include "common/Serial.h"
#include "dawn_native/ResourceHeap.h"
#include "dawn_native/d3d12/d3d12_platform.h"
namespace dawn_native { namespace d3d12 {
class Heap : public ResourceHeapBase {
public:
Heap(ComPtr<ID3D12Pageable> d3d12Pageable, uint64_t size);
~Heap() = default;
ComPtr<ID3D12Heap> GetD3D12Heap() const;
ComPtr<ID3D12Pageable> GetD3D12Pageable() const;
// We set mLastRecordingSerial to denote the serial this heap was last recorded to be used.
// We must check this serial against the current serial when recording heap usages to ensure
// we do not process residency for this heap multiple times.
Serial GetLastUsage() const;
void SetLastUsage(Serial serial);
uint64_t GetSize() const;
private:
ComPtr<ID3D12Pageable> mD3d12Pageable;
Serial mLastUsage = 0;
uint64_t mSize = 0;
};
}} // namespace dawn_native::d3d12
#endif // DAWNNATIVE_D3D12_HEAPD3D12_H_