// 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.

#include "dawn_native/d3d12/HeapD3D12.h"

namespace dawn_native { namespace d3d12 {
    Heap::Heap(ComPtr<ID3D12Pageable> d3d12Pageable, MemorySegment memorySegment, uint64_t size)
        : Pageable(std::move(d3d12Pageable), memorySegment, size) {
        mD3d12Pageable.As(&mD3d12Heap);
    }

    // This function should only be used when mD3D12Pageable was initialized from a
    // ID3D12Pageable that was initially created as an ID3D12Heap (i.e. SubAllocation). If the
    // ID3D12Pageable was initially created as an ID3D12Resource (i.e. DirectAllocation), then
    // use GetD3D12Pageable().
    ID3D12Heap* Heap::GetD3D12Heap() const {
        return mD3d12Heap.Get();
    }

}}  // namespace dawn_native::d3d12