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[d3d11] Cache raw mapped pointer rather than allocation object

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Reduces ref counting overhead again and matches previous behaviour.

We should probably do something about the possible case of deferred context
execution with MAP_WRITE_DISCARD followed by MAP_WRITE_NO_OVERWRITE on the
immediate context, but we haven't seen a game rely on this yet.
This commit is contained in:
Philip Rebohle 2024-09-26 08:53:53 +02:00 committed by Philip Rebohle
parent 50878f2846
commit 39f50999a3
4 changed files with 16 additions and 15 deletions
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6
src/d3d11/d3d11_buffer.cpp
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@ -98,7 +98,7 @@ namespace dxvk {
info.usage |= VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT;
m_buffer = m_parent->GetDXVKDevice()->importBuffer(info, importInfo, GetMemoryFlags());
m_allocation = m_buffer->getAllocation();
m_mapPtr = m_buffer->mapPtr(0);
m_mapMode = DetermineMapMode(m_buffer->memFlags());
} else if (!(pDesc->MiscFlags & D3D11_RESOURCE_MISC_TILE_POOL)) {
@ -114,12 +114,12 @@ namespace dxvk {
// Create the buffer and set the entire buffer slice as mapped,
// so that we only have to update it when invalidating the buffer
m_buffer = m_parent->GetDXVKDevice()->createBuffer(info, memoryFlags);
m_allocation = m_buffer->getAllocation();
m_mapPtr = m_buffer->mapPtr(0);
} else {
m_sparseAllocator = m_parent->GetDXVKDevice()->createSparsePageAllocator();
m_sparseAllocator->setCapacity(info.size / SparseMemoryPageSize);
m_allocation = nullptr;
m_mapPtr = nullptr;
m_mapMode = D3D11_COMMON_BUFFER_MAP_MODE_NONE;
}

12
src/d3d11/d3d11_buffer.h
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@ -118,12 +118,13 @@ namespace dxvk {
}
Rc<DxvkResourceAllocation> DiscardSlice(DxvkLocalAllocationCache* cache) {
m_allocation = m_buffer->allocateSlice(cache);
return m_allocation;
auto allocation = m_buffer->allocateSlice(cache);
m_mapPtr = allocation->mapPtr();
return allocation;
}
Rc<DxvkResourceAllocation> GetMappedSlice() const {
return m_allocation;
void* GetMapPtr() const {
return m_mapPtr;
}
D3D10Buffer* GetD3D10Iface() {
@ -184,9 +185,10 @@ namespace dxvk {
Rc<DxvkBuffer> m_buffer;
Rc<DxvkBuffer> m_soCounter;
Rc<DxvkSparsePageAllocator> m_sparseAllocator;
Rc<DxvkResourceAllocation> m_allocation;
uint64_t m_seq = 0ull;
void* m_mapPtr = nullptr;
D3D11DXGIResource m_resource;
D3D10Buffer m_d3d10;

11
src/d3d11/d3d11_context_imm.cpp
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@ -348,7 +348,7 @@ namespace dxvk {
} else if (likely(MapType == D3D11_MAP_WRITE_NO_OVERWRITE)) {
// Put this on a fast path without any extra checks since it's
// a somewhat desired method to partially update large buffers
pMappedResource->pData = pResource->GetMappedSlice()->mapPtr();
pMappedResource->pData = pResource->GetMapPtr();
pMappedResource->RowPitch = bufferSize;
pMappedResource->DepthPitch = bufferSize;
return S_OK;
@ -376,10 +376,9 @@ namespace dxvk {
}
if (doInvalidatePreserve) {
auto srcSlice = pResource->GetMappedSlice();
auto dstSlice = pResource->DiscardSlice(nullptr);
auto srcPtr = pResource->GetMapPtr();
auto srcPtr = srcSlice->mapPtr();
auto dstSlice = pResource->DiscardSlice(nullptr);
auto dstPtr = dstSlice->mapPtr();
EmitCs([
@ -398,7 +397,7 @@ namespace dxvk {
if (!WaitForResource(buffer, sequenceNumber, MapType, MapFlags))
return DXGI_ERROR_WAS_STILL_DRAWING;
pMappedResource->pData = pResource->GetMappedSlice()->mapPtr();
pMappedResource->pData = pResource->GetMapPtr();
pMappedResource->RowPitch = bufferSize;
pMappedResource->DepthPitch = bufferSize;
return S_OK;
@ -713,7 +712,7 @@ namespace dxvk {
ctx->invalidateBuffer(cBuffer, std::move(cBufferSlice));
});
} else {
mapPtr = pDstBuffer->GetMappedSlice()->mapPtr();
mapPtr = pDstBuffer->GetMapPtr();
}
std::memcpy(reinterpret_cast<char*>(mapPtr) + Offset, pSrcData, Length);

2
src/d3d11/d3d11_initializer.cpp
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@ -313,4 +313,4 @@ namespace dxvk {
}
}
}
}