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[d3d11] Optimize Unmap on immediate contexts

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This commit is contained in:
Philip Rebohle 2022-02-10 04:34:50 +01:00
parent 5a6711ed1d
commit 0364a79eb0
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GPG Key ID: C8CC613427A31C99
2 changed files with 21 additions and 10 deletions
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30
src/d3d11/d3d11_context_imm.cpp
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@ -273,12 +273,17 @@ namespace dxvk {
void STDMETHODCALLTYPE D3D11ImmediateContext::Unmap(
ID3D11Resource* pResource,
UINT Subresource) {
D3D11_RESOURCE_DIMENSION resourceDim = D3D11_RESOURCE_DIMENSION_UNKNOWN;
pResource->GetType(&resourceDim);
if (unlikely(resourceDim != D3D11_RESOURCE_DIMENSION_BUFFER)) {
D3D10DeviceLock lock = LockContext();
UnmapImage(GetCommonTexture(pResource), Subresource);
// Since it is very uncommon for images to be mapped compared
// to buffers, we count the currently mapped images in order
// to avoid a virtual method call in the common case.
if (unlikely(m_mappedImageCount > 0)) {
D3D11_RESOURCE_DIMENSION resourceDim = D3D11_RESOURCE_DIMENSION_UNKNOWN;
pResource->GetType(&resourceDim);
if (resourceDim != D3D11_RESOURCE_DIMENSION_BUFFER) {
D3D10DeviceLock lock = LockContext();
UnmapImage(GetCommonTexture(pResource), Subresource);
}
}
}
@ -467,6 +472,7 @@ namespace dxvk {
pMappedResource->DepthPitch = layout.DepthPitch;
}
m_mappedImageCount += 1;
return S_OK;
}
@ -477,11 +483,15 @@ namespace dxvk {
D3D11_MAP mapType = pResource->GetMapType(Subresource);
pResource->SetMapType(Subresource, D3D11_MAP(~0u));
if (mapType == D3D11_MAP(~0u)
|| mapType == D3D11_MAP_READ)
if (mapType == D3D11_MAP(~0u))
return;
if (pResource->GetMapMode() == D3D11_COMMON_TEXTURE_MAP_MODE_BUFFER) {
// Decrement mapped image counter only after making sure
// the given subresource is actually mapped right now
m_mappedImageCount -= 1;
if ((mapType != D3D11_MAP_READ) &&
(pResource->GetMapMode() == D3D11_COMMON_TEXTURE_MAP_MODE_BUFFER)) {
// Now that data has been written into the buffer,
// we need to copy its contents into the image
VkImageAspectFlags aspectMask = imageFormatInfo(pResource->GetPackedFormat())->aspectMask;

1
src/d3d11/d3d11_context_imm.h
View File

@ -123,6 +123,7 @@ namespace dxvk {
Rc<sync::CallbackFence> m_eventSignal;
uint64_t m_eventCount = 0ull;
uint32_t m_mappedImageCount = 0u;
dxvk::high_resolution_clock::time_point m_lastFlush