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// Copyright 2014 Intel Corporation All Rights Reserved
//
// Intel makes no representations about the suitability of this software for any purpose.
// THIS SOFTWARE IS PROVIDED ""AS IS."" INTEL SPECIFICALLY DISCLAIMS ALL WARRANTIES,
// EXPRESS OR IMPLIED, AND ALL LIABILITY, INCLUDING CONSEQUENTIAL AND OTHER INDIRECT DAMAGES,
// FOR THE USE OF THIS SOFTWARE, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PROPRIETARY
// RIGHTS, AND INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// Intel does not assume any responsibility for any errors which may appear in this software
// nor any responsibility to update it.
#pragma once
#include "util.h"
#include <d3d12.h>
// Untyped version
class UploadHeap
{
public:
UploadHeap(ID3D12Device* device, UINT64 size)
{
ThrowIfFailed(device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES( D3D12_HEAP_TYPE_UPLOAD ),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer( size ),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(&mHeap)
));
ThrowIfFailed(mHeap->Map(0, nullptr, reinterpret_cast<void**>(&mHeapWO)));
}
~UploadHeap()
{
SafeRelease(&mHeap);
}
ID3D12Resource* Heap() { return mHeap; }
// Write-only!
void* DataWO() { return mHeapWO; }
private:
ID3D12Resource* mHeap = nullptr;
void* mHeapWO = nullptr;
};
// Structure/typed version
template <typename T>
class UploadHeapT : public UploadHeap
{
public:
UploadHeapT(ID3D12Device* device)
: UploadHeap(device, sizeof(T))
{}
T* DataWO() { return (T*)UploadHeap::DataWO(); }
};
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