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d3d12: Start using heap for depth buffer readback

This commit is contained in:
vlj 2015-05-30 01:58:16 +02:00 committed by Vincent Lejeune
parent 90fb4396fe
commit 6877e5e3ba
2 changed files with 31 additions and 4 deletions
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25
rpcs3/Emu/RSX/D3D12/D3D12GSRender.cpp
View File

@ -314,10 +314,19 @@ D3D12GSRender::D3D12GSRender()
nullptr,
IID_PPV_ARGS(&m_dummyTexture))
);
D3D12_HEAP_DESC hd = {};
hd.SizeInBytes = 1024 * 1024 * 128;
hd.Properties.Type = D3D12_HEAP_TYPE_READBACK;
hd.Flags = D3D12_HEAP_FLAG_ALLOW_ONLY_BUFFERS;
check(m_device->CreateHeap(&hd, IID_PPV_ARGS(&m_readbackResources.m_heap)));
m_readbackResources.m_putPos = 0;
m_readbackResources.m_getPos = 1024 * 1024 * 128 - 1;
}
D3D12GSRender::~D3D12GSRender()
{
m_readbackResources.m_heap->Release();
m_texturesRTTs.clear();
m_dummyTexture->Release();
m_convertPSO->Release();
@ -1352,20 +1361,28 @@ void D3D12GSRender::semaphorePGRAPHBackendRelease(u32 offset, u32 value)
)
);
size_t heapOffset = m_readbackResources.m_putPos.load();
heapOffset = powerOf2Align(heapOffset, 65536);
size_t sizeInByte = depthRowPitch * RSXThread::m_height;
if (heapOffset + sizeInByte >= 1024 * 1024 * 128) // If it will be stored past heap size
heapOffset = 0;
heapProp = {};
heapProp.Type = D3D12_HEAP_TYPE_READBACK;
resdesc = getBufferResourceDesc(depthRowPitch * RSXThread::m_height);
resdesc = getBufferResourceDesc(sizeInByte);
check(
m_device->CreateCommittedResource(
&heapProp,
D3D12_HEAP_FLAG_NONE,
m_device->CreatePlacedResource(
m_readbackResources.m_heap,
heapOffset,
&resdesc,
D3D12_RESOURCE_STATE_COPY_DEST,
nullptr,
IID_PPV_ARGS(&writeDest)
)
);
m_readbackResources.m_putPos.store(heapOffset + sizeInByte);
check(
m_device->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, m_perFrameStorage.m_commandAllocator, nullptr, IID_PPV_ARGS(&convertCommandList))

10
rpcs3/Emu/RSX/D3D12/D3D12GSRender.h
View File

@ -95,6 +95,16 @@ private:
ResourceStorage m_perFrameStorage;
struct ReadbackHeap
{
ID3D12Heap *m_heap;
std::atomic<int> m_putPos, // Start of free space
m_getPos; // End of free space
};
ReadbackHeap m_readbackResources;
bool m_forcedIndexBuffer;
size_t indexCount;