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| author | Egor Yusov <egor.yusov@gmail.com> | 2018-07-22 18:47:37 +0000 |
|---|---|---|
| committer | Egor Yusov <egor.yusov@gmail.com> | 2018-07-22 18:47:37 +0000 |
| commit | 5eca9ecce9770af037006c31f206bdad22b10be2 (patch) | |
| tree | bd8f40bbf333f64c5390b1b0d8cbfd063741e8dc /Graphics/GraphicsEngineD3D12 | |
| parent | Fixed release build error (diff) | |
| download | DiligentCore-5eca9ecce9770af037006c31f206bdad22b10be2.tar.gz DiligentCore-5eca9ecce9770af037006c31f206bdad22b10be2.zip | |
Implemented mapping with MAP_FLAG_DO_NOT_SYNCHRONIZE flag in Vulkan and D3D12
Diffstat (limited to 'Graphics/GraphicsEngineD3D12')
| -rw-r--r-- | Graphics/GraphicsEngineD3D12/src/BufferD3D12Impl.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/Graphics/GraphicsEngineD3D12/src/BufferD3D12Impl.cpp b/Graphics/GraphicsEngineD3D12/src/BufferD3D12Impl.cpp index 07438730..0942014a 100644 --- a/Graphics/GraphicsEngineD3D12/src/BufferD3D12Impl.cpp +++ b/Graphics/GraphicsEngineD3D12/src/BufferD3D12Impl.cpp @@ -349,10 +349,19 @@ void BufferD3D12Impl :: Map(IDeviceContext* pContext, MAP_TYPE MapType, Uint32 M } else if (m_Desc.Usage == USAGE_DYNAMIC) { - VERIFY(MapFlags & MAP_FLAG_DISCARD, "D3D12 buffer must be mapped for writing with MAP_FLAG_DISCARD flag"); + VERIFY( (MapFlags & (MAP_FLAG_DISCARD | MAP_FLAG_DO_NOT_SYNCHRONIZE)) != 0, "D3D12 buffer must be mapped for writing with MAP_FLAG_DISCARD or MAP_FLAG_DO_NOT_SYNCHRONIZE flag"); + auto *pCtxD3D12 = ValidatedCast<DeviceContextD3D12Impl>(pContext); auto ContextId = pDeviceContextD3D12->GetContextId(); - m_DynamicData[ContextId] = pCtxD3D12->AllocateDynamicSpace(m_Desc.uiSizeInBytes); + if ((MapFlags & MAP_FLAG_DISCARD) != 0 || m_DynamicData[ContextId].CPUAddress == nullptr) + { + m_DynamicData[ContextId] = pCtxD3D12->AllocateDynamicSpace(m_Desc.uiSizeInBytes); + } + else + { + VERIFY_EXPR(MapFlags & MAP_FLAG_DO_NOT_SYNCHRONIZE); + // Reuse previously mapped region + } pMappedData = m_DynamicData[ContextId].CPUAddress; } else |