mirror of
https://github.com/gnif/LookingGlass.git
synced 2025-04-26 00:26:32 +00:00
9ffb800e93
As the resource size can be larger then the actual frame data, we need to track this seperately so that we don't waste cycles copying data the client will never use.
112 lines
2.8 KiB
C++
112 lines
2.8 KiB
C++
#include "CFrameBufferResource.h"
|
|
#include "CSwapChainProcessor.h"
|
|
#include "CDebug.h"
|
|
|
|
bool CFrameBufferResource::Init(CSwapChainProcessor * swapChain, uint8_t * base, size_t size)
|
|
{
|
|
if (size > swapChain->GetDevice()->GetMaxFrameSize())
|
|
{
|
|
DEBUG_ERROR("Frame size of %lu is too large to fit in available shared ram");
|
|
return false;
|
|
}
|
|
|
|
// nothing to do if the resource already exists and is large enough
|
|
if (m_base == base && m_size >= size)
|
|
{
|
|
m_frameSize = size;
|
|
return true;
|
|
}
|
|
|
|
Reset();
|
|
|
|
D3D12_RESOURCE_DESC desc = {};
|
|
desc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
|
|
desc.Width = size;
|
|
desc.Height = 1;
|
|
desc.DepthOrArraySize = 1;
|
|
desc.MipLevels = 1;
|
|
desc.Format = DXGI_FORMAT_UNKNOWN;
|
|
desc.SampleDesc.Count = 1;
|
|
desc.SampleDesc.Quality = 0;
|
|
desc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
|
|
desc.Flags = D3D12_RESOURCE_FLAG_NONE;
|
|
|
|
HRESULT hr;
|
|
const WCHAR * resName;
|
|
|
|
if (swapChain->GetD3D12Device()->IsIndirectCopy())
|
|
{
|
|
DEBUG_TRACE("Creating standard resource for %p", base);
|
|
D3D12_HEAP_PROPERTIES heapProps = {};
|
|
heapProps.Type = D3D12_HEAP_TYPE_READBACK;
|
|
heapProps.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
|
|
heapProps.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
|
|
heapProps.CreationNodeMask = 1;
|
|
heapProps.VisibleNodeMask = 1;
|
|
|
|
hr = swapChain->GetD3D12Device()->GetDevice()->CreateCommittedResource(
|
|
&heapProps,
|
|
D3D12_HEAP_FLAG_NONE,
|
|
&desc,
|
|
D3D12_RESOURCE_STATE_COPY_DEST,
|
|
NULL,
|
|
IID_PPV_ARGS(&m_res)
|
|
);
|
|
resName = L"STAGING";
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
D3D12_RANGE range = {0, 0};
|
|
hr = m_res->Map(0, &range, &m_map);
|
|
if (FAILED(hr))
|
|
{
|
|
DEBUG_ERROR_HR(hr, "Failed to map the resource");
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
DEBUG_TRACE("Creating ivshmem resource for %p", base);
|
|
desc.Alignment = D3D12_DEFAULT_RESOURCE_PLACEMENT_ALIGNMENT;
|
|
desc.Flags = D3D12_RESOURCE_FLAG_ALLOW_CROSS_ADAPTER;
|
|
|
|
hr = swapChain->GetD3D12Device()->GetDevice()->CreatePlacedResource(
|
|
swapChain->GetD3D12Device()->GetHeap().Get(),
|
|
(uintptr_t)base - (uintptr_t)swapChain->GetDevice()->GetIVSHMEM().GetMem(),
|
|
&desc,
|
|
D3D12_RESOURCE_STATE_COPY_DEST,
|
|
NULL,
|
|
IID_PPV_ARGS(&m_res)
|
|
);
|
|
resName = L"IVSHMEM";
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
DEBUG_ERROR_HR(hr, "Failed to create the FrameBuffer ID3D12Resource");
|
|
return false;
|
|
}
|
|
|
|
m_res->SetName(resName);
|
|
|
|
m_base = base;
|
|
m_size = size;
|
|
m_frameSize = size;
|
|
m_valid = true;
|
|
return true;
|
|
}
|
|
|
|
void CFrameBufferResource::Reset()
|
|
{
|
|
if (m_map)
|
|
{
|
|
m_res->Unmap(0, NULL);
|
|
m_map = NULL;
|
|
}
|
|
|
|
m_base = nullptr;
|
|
m_size = 0;
|
|
m_res.Reset();
|
|
m_valid = false;
|
|
} |