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Don't copy buffers that are already on a readback heap, read directly

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This commit is contained in:
baldurk
2016-09-16 17:10:22 +02:00
parent c6f4eed3ab
commit e173318de2
1 changed files with 15 additions and 1 deletions
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renderdoc/driver/d3d12/d3d12_manager.cpp
+15 -1
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@@ -470,6 +470,15 @@ bool D3D12ResourceManager::Prepare_InitialState(ID3D12DeviceChild *res)
if(desc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER)
{
D3D12_HEAP_PROPERTIES heapProps;
r->GetHeapProperties(&heapProps, NULL);
if(heapProps.Type == D3D12_HEAP_TYPE_READBACK)
{
// already on readback heap, just mark that we can map it directly and continue
SetInitialContents(GetResID(r), D3D12ResourceManager::InitialContentData(NULL, 1, NULL));
return true;
}
heapProps.Type = D3D12_HEAP_TYPE_READBACK;
heapProps.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
heapProps.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
@@ -607,7 +616,7 @@ bool D3D12ResourceManager::Prepare_InitialState(ID3D12DeviceChild *res)
return false;
}
bool D3D12ResourceManager::Serialise_InitialState(ResourceId resid, ID3D12DeviceChild *)
bool D3D12ResourceManager::Serialise_InitialState(ResourceId resid, ID3D12DeviceChild *liveRes)
{
D3D12ResourceRecord *record = NULL;
if(m_State >= WRITING)
@@ -634,6 +643,11 @@ bool D3D12ResourceManager::Serialise_InitialState(ResourceId resid, ID3D12Device
ID3D12Resource *copiedBuffer = (ID3D12Resource *)initContents.resource;
if(initContents.num == 1)
{
copiedBuffer = (ID3D12Resource *)liveRes;
}
byte dummy[4] = {};
byte *ptr = NULL;
size_t size = 0;