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[d3d11] Optimized buffer mapping on deferred contexts

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This commit is contained in:
Philip Rebohle 2018-05-22 00:11:32 +02:00
parent 5cc3afcf30
commit 425a5bca2e
2 changed files with 49 additions and 18 deletions
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53
src/d3d11/d3d11_context_def.cpp
View File

@ -92,7 +92,7 @@ namespace dxvk {
m_mappedResources.push_back(entry);
// Fill mapped resource structure
pMappedResource->pData = entry.DataSlice.ptr();
pMappedResource->pData = entry.MapPointer;
pMappedResource->RowPitch = entry.RowPitch;
pMappedResource->DepthPitch = entry.DepthPitch;
return S_OK;
@ -107,7 +107,7 @@ namespace dxvk {
// Return same memory region as earlier
entry->MapType = D3D11_MAP_WRITE_NO_OVERWRITE;
pMappedResource->pData = entry->DataSlice.ptr();
pMappedResource->pData = entry->MapPointer;
pMappedResource->RowPitch = entry->RowPitch;
pMappedResource->DepthPitch = entry->DepthPitch;
return S_OK;
@ -145,9 +145,12 @@ namespace dxvk {
D3D11_MAP MapType,
UINT MapFlags,
D3D11DeferredContextMapEntry* pMapEntry) {
const D3D11Buffer* pBuffer = static_cast<D3D11Buffer*>(pResource);
D3D11Buffer* pBuffer = static_cast<D3D11Buffer*>(pResource);
const Rc<DxvkBuffer> buffer = pBuffer->GetBuffer();
D3D11_BUFFER_DESC bufferDesc;
pBuffer->GetDesc(&bufferDesc);
if (!(buffer->memFlags() & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT)) {
Logger::err("D3D11: Cannot map a device-local buffer");
return E_INVALIDARG;
@ -158,7 +161,20 @@ namespace dxvk {
pMapEntry->MapType = D3D11_MAP_WRITE_DISCARD;
pMapEntry->RowPitch = pBuffer->GetSize();
pMapEntry->DepthPitch = pBuffer->GetSize();
pMapEntry->DataSlice = AllocUpdateBufferSlice(pBuffer->GetSize());
if (bufferDesc.Usage == D3D11_USAGE_DYNAMIC) {
// For resources that cannot be written by the GPU,
// we may write to the buffer resource directly and
// just swap in the physical buffer slice as needed.
pMapEntry->BufferSlice = buffer->allocPhysicalSlice();
pMapEntry->MapPointer = pMapEntry->BufferSlice.mapPtr(0);
} else {
// For GPU-writable resources, we need a data slice
// to perform the update operation at execution time.
pMapEntry->DataSlice = AllocUpdateBufferSlice(pBuffer->GetSize());
pMapEntry->MapPointer = pMapEntry->DataSlice.ptr();
}
return S_OK;
}
@ -203,6 +219,7 @@ namespace dxvk {
pMapEntry->RowPitch = xSize;
pMapEntry->DepthPitch = ySize;
pMapEntry->DataSlice = AllocUpdateBufferSlice(zSize);
pMapEntry->MapPointer = pMapEntry->DataSlice.ptr();
return S_OK;
}
@ -212,14 +229,26 @@ namespace dxvk {
const D3D11DeferredContextMapEntry* pMapEntry) {
D3D11Buffer* pBuffer = static_cast<D3D11Buffer*>(pResource);
EmitCs([
cDstBuffer = pBuffer->GetBuffer(),
cDataSlice = pMapEntry->DataSlice
] (DxvkContext* ctx) {
DxvkPhysicalBufferSlice slice = cDstBuffer->allocPhysicalSlice();
std::memcpy(slice.mapPtr(0), cDataSlice.ptr(), cDataSlice.length());
ctx->invalidateBuffer(cDstBuffer, slice);
});
D3D11_BUFFER_DESC bufferDesc;
pBuffer->GetDesc(&bufferDesc);
if (bufferDesc.Usage == D3D11_USAGE_DYNAMIC) {
EmitCs([
cDstBuffer = pBuffer->GetBuffer(),
cPhysSlice = pMapEntry->BufferSlice
] (DxvkContext* ctx) {
ctx->invalidateBuffer(cDstBuffer, cPhysSlice);
});
} else {
EmitCs([
cDstBuffer = pBuffer->GetBuffer(),
cDataSlice = pMapEntry->DataSlice
] (DxvkContext* ctx) {
DxvkPhysicalBufferSlice slice = cDstBuffer->allocPhysicalSlice();
std::memcpy(slice.mapPtr(0), cDataSlice.ptr(), cDataSlice.length());
ctx->invalidateBuffer(cDstBuffer, slice);
});
}
}

14
src/d3d11/d3d11_context_def.h
View File

@ -11,12 +11,14 @@
namespace dxvk {
struct D3D11DeferredContextMapEntry {
Com<ID3D11Resource> pResource;
UINT Subresource;
D3D11_MAP MapType;
UINT RowPitch;
UINT DepthPitch;
DxvkDataSlice DataSlice;
Com<ID3D11Resource> pResource;
UINT Subresource;
D3D11_MAP MapType;
UINT RowPitch;
UINT DepthPitch;
DxvkDataSlice DataSlice;
DxvkPhysicalBufferSlice BufferSlice;
void* MapPointer;
};
class D3D11DeferredContext : public D3D11DeviceContext {