/** Preprocesses a shader without performing compilation, and dump it out for debugging*/
void D3D9PreProcessShader(
const TCHAR* strFilename,
const FString& strShaderFile,
vector<D3DXMACRO>& Defines,
const FD3DIncludeEnvironment& Environment,
const TCHAR* strShaderPath
)
{
TRefCountPtr<ID3DXBuffer> ShaderCode;
TRefCountPtr<ID3DXBuffer> ErrorText;
FTCHARToANSI AnsiShaderFile(strShaderFile.c_str());
FD3DIncludeEnvironment IncludeEnvironment(Environment);
HRESULT ret = D3DXPreprocessShader( (ANSICHAR*)AnsiShaderFile,
strShaderFile.size(),
&Defines.at(0),
&IncludeEnvironment,
ShaderCode.GetInitReference(),
ErrorText.GetInitReference()
);
if( FAILED(ret) )
{
debugf(NAME_Warning, TEXT("Preprocess failed for shader %s: %s"), strFilename, ANSI_TO_TCHAR(ErrorText->GetBufferPointer()));
}
else
{
TCHAR Tmp[MAX_SPRINTF];
appSprintf(Tmp, TEXT("%s%s.pre"), strShaderPath, strFilename);
appSaveStringToFile(ANSI_TO_TCHAR(ShaderCode->GetBufferPointer()), Tmp);
}
}
void FSlateD3DRenderer::Private_CreateViewport( TSharedRef<SWindow> InWindow, const FVector2D &WindowSize )
{
TSharedRef< FGenericWindow > NativeWindow = InWindow->GetNativeWindow().ToSharedRef();
bool bFullscreen = IsViewportFullscreen( *InWindow );
bool bWindowed = true;//@todo implement fullscreen: !bFullscreen;
DXGI_SWAP_CHAIN_DESC SwapChainDesc;
FMemory::Memzero(&SwapChainDesc, sizeof(SwapChainDesc) );
SwapChainDesc.BufferCount = 1;
SwapChainDesc.BufferDesc.Width = FMath::TruncToInt(WindowSize.X);
SwapChainDesc.BufferDesc.Height = FMath::TruncToInt(WindowSize.Y);
SwapChainDesc.BufferDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
SwapChainDesc.BufferDesc.RefreshRate.Numerator = 0;
SwapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
SwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
SwapChainDesc.OutputWindow = (HWND)NativeWindow->GetOSWindowHandle();
SwapChainDesc.SampleDesc.Count = 1;
SwapChainDesc.SampleDesc.Quality = 0;
SwapChainDesc.Windowed = bWindowed;
SwapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
SwapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
TRefCountPtr<IDXGIDevice> DXGIDevice;
HRESULT Hr = GD3DDevice->QueryInterface( __uuidof(IDXGIDevice), (void**)DXGIDevice.GetInitReference() );
check( SUCCEEDED(Hr) );
TRefCountPtr<IDXGIAdapter> DXGIAdapter;
Hr = DXGIDevice->GetParent(__uuidof(IDXGIAdapter), (void **)DXGIAdapter.GetInitReference() );
check( SUCCEEDED(Hr) );
TRefCountPtr<IDXGIFactory> DXGIFactory;
DXGIAdapter->GetParent(__uuidof(IDXGIFactory), (void **)DXGIFactory.GetInitReference() );
check( SUCCEEDED(Hr) );
FSlateD3DViewport Viewport;
Hr = DXGIFactory->CreateSwapChain(DXGIDevice.GetReference(), &SwapChainDesc, Viewport.D3DSwapChain.GetInitReference() );
check( SUCCEEDED(Hr) );
Hr = DXGIFactory->MakeWindowAssociation((HWND)NativeWindow->GetOSWindowHandle(),DXGI_MWA_NO_ALT_ENTER);
check(SUCCEEDED(Hr));
uint32 Width = FMath::TruncToInt(WindowSize.X);
uint32 Height = FMath::TruncToInt(WindowSize.Y);
Viewport.ViewportInfo.MaxDepth = 1.0f;
Viewport.ViewportInfo.MinDepth = 0.0f;
Viewport.ViewportInfo.Width = Width;
Viewport.ViewportInfo.Height = Height;
Viewport.ViewportInfo.TopLeftX = 0;
Viewport.ViewportInfo.TopLeftY = 0;
CreateBackBufferResources( Viewport.D3DSwapChain, Viewport.BackBufferTexture, Viewport.RenderTargetView );
Viewport.ProjectionMatrix = CreateProjectionMatrixD3D( Width, Height );
WindowToViewportMap.Add( &InWindow.Get(), Viewport );
}
void FOculusRiftPlugin::SetGraphicsAdapter(const ovrGraphicsLuid& luid)
{
TRefCountPtr<IDXGIFactory> DXGIFactory;
if(SUCCEEDED(CreateDXGIFactory(__uuidof(IDXGIFactory), (void**) DXGIFactory.GetInitReference())))
{
for(int32 adapterIndex = 0;; adapterIndex++)
{
TRefCountPtr<IDXGIAdapter> DXGIAdapter;
DXGI_ADAPTER_DESC DXGIAdapterDesc;
if( FAILED(DXGIFactory->EnumAdapters(adapterIndex, DXGIAdapter.GetInitReference())) ||
FAILED(DXGIAdapter->GetDesc(&DXGIAdapterDesc)) )
{
break;
}
if(!FMemory::Memcmp(&luid, &DXGIAdapterDesc.AdapterLuid, sizeof(LUID)))
{
// Remember this adapterIndex so we use the right adapter, even when we startup without HMD connected
GConfig->SetInt(TEXT("Oculus.Settings"), TEXT("GraphicsAdapter"), adapterIndex, GEngineIni);
break;
}
}
}
}
void FSlateD3DRenderer::CreateBackBufferResources( TRefCountPtr<IDXGISwapChain>& InSwapChain, TRefCountPtr<ID3D11Texture2D>& OutBackBuffer, TRefCountPtr<ID3D11RenderTargetView>& OutRTV )
{
InSwapChain->GetBuffer( 0, __uuidof(ID3D11Texture2D), (void**)OutBackBuffer.GetInitReference() );
D3D11_RENDER_TARGET_VIEW_DESC RTVDesc;
RTVDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
RTVDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
RTVDesc.Texture2D.MipSlice = 0;
HRESULT Hr = GD3DDevice->CreateRenderTargetView( OutBackBuffer, &RTVDesc, OutRTV.GetInitReference() );
check( SUCCEEDED(Hr) );
}
FDynamicRHI* FD3D12DynamicRHIModule::CreateRHI()
{
TRefCountPtr<IDXGIFactory4> DXGIFactory;
SafeCreateDXGIFactory(DXGIFactory.GetInitReference());
check(DXGIFactory);
return new FD3D12DynamicRHI(DXGIFactory, ChosenAdapter);
}
FD3D11Viewport::FD3D11Viewport(FD3D11DynamicRHI* InD3DRHI,HWND InWindowHandle,uint32 InSizeX,uint32 InSizeY,bool bInIsFullscreen, EPixelFormat InPreferredPixelFormat):
D3DRHI(InD3DRHI),
LastFlipTime(0),
LastFrameComplete(0),
LastCompleteTime(0),
SyncCounter(0),
bSyncedLastFrame(false),
WindowHandle(InWindowHandle),
MaximumFrameLatency(3),
SizeX(InSizeX),
SizeY(InSizeY),
bIsFullscreen(bInIsFullscreen),
PixelFormat(InPreferredPixelFormat),
bIsValid(true),
FrameSyncEvent(InD3DRHI)
{
check(IsInGameThread());
D3DRHI->Viewports.Add(this);
// Ensure that the D3D device has been created.
D3DRHI->InitD3DDevice();
// Create a backbuffer/swapchain for each viewport
TRefCountPtr<IDXGIDevice> DXGIDevice;
VERIFYD3D11RESULT(D3DRHI->GetDevice()->QueryInterface( IID_IDXGIDevice, (void**)DXGIDevice.GetInitReference() ));
// Create the swapchain.
DXGI_SWAP_CHAIN_DESC SwapChainDesc;
FMemory::Memzero( &SwapChainDesc, sizeof(DXGI_SWAP_CHAIN_DESC) );
SwapChainDesc.BufferDesc = SetupDXGI_MODE_DESC();
// MSAA Sample count
SwapChainDesc.SampleDesc.Count = 1;
SwapChainDesc.SampleDesc.Quality = 0;
SwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_SHADER_INPUT;
// 1:single buffering, 2:double buffering, 3:triple buffering
SwapChainDesc.BufferCount = 1;
SwapChainDesc.OutputWindow = WindowHandle;
SwapChainDesc.Windowed = !bIsFullscreen;
// DXGI_SWAP_EFFECT_DISCARD / DXGI_SWAP_EFFECT_SEQUENTIAL
SwapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
SwapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
VERIFYD3D11RESULT(D3DRHI->GetFactory()->CreateSwapChain(DXGIDevice,&SwapChainDesc,SwapChain.GetInitReference()));
// Set the DXGI message hook to not change the window behind our back.
D3DRHI->GetFactory()->MakeWindowAssociation(WindowHandle,DXGI_MWA_NO_WINDOW_CHANGES);
// Create a RHI surface to represent the viewport's back buffer.
BackBuffer = GetSwapChainSurface(D3DRHI, PixelFormat, SwapChain);
// Tell the window to redraw when they can.
// @todo: For Slate viewports, it doesn't make sense to post WM_PAINT messages (we swallow those.)
::PostMessage( WindowHandle, WM_PAINT, 0, 0 );
BeginInitResource(&FrameSyncEvent);
}
/**
* Creates a FD3D11Surface to represent a swap chain's back buffer.
*/
FD3D11Texture2D* GetSwapChainSurface(FD3D11DynamicRHI* D3DRHI,IDXGISwapChain* SwapChain)
{
// Grab the back buffer
TRefCountPtr<ID3D11Texture2D> BackBufferResource;
VERIFYD3D11RESULT_EX(SwapChain->GetBuffer(0,IID_ID3D11Texture2D,(void**)BackBufferResource.GetInitReference()), D3DRHI->GetDevice());
// create the render target view
TRefCountPtr<ID3D11RenderTargetView> BackBufferRenderTargetView;
D3D11_RENDER_TARGET_VIEW_DESC RTVDesc;
RTVDesc.Format = DXGI_FORMAT_UNKNOWN;
RTVDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
RTVDesc.Texture2D.MipSlice = 0;
VERIFYD3D11RESULT(D3DRHI->GetDevice()->CreateRenderTargetView(BackBufferResource,&RTVDesc,BackBufferRenderTargetView.GetInitReference()));
D3D11_TEXTURE2D_DESC TextureDesc;
BackBufferResource->GetDesc(&TextureDesc);
TArray<TRefCountPtr<ID3D11RenderTargetView> > RenderTargetViews;
RenderTargetViews.Add(BackBufferRenderTargetView);
// create a shader resource view to allow using the backbuffer as a texture
TRefCountPtr<ID3D11ShaderResourceView> BackBufferShaderResourceView;
D3D11_SHADER_RESOURCE_VIEW_DESC SRVDesc;
SRVDesc.Format = DXGI_FORMAT_UNKNOWN;
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
SRVDesc.Texture2D.MostDetailedMip = 0;
SRVDesc.Texture2D.MipLevels = 1;
VERIFYD3D11RESULT(D3DRHI->GetDevice()->CreateShaderResourceView(BackBufferResource,&SRVDesc,BackBufferShaderResourceView.GetInitReference()));
FD3D11Texture2D* NewTexture = new FD3D11Texture2D(
D3DRHI,
BackBufferResource,
BackBufferShaderResourceView,
false,
1,
RenderTargetViews,
NULL,
TextureDesc.Width,
TextureDesc.Height,
1,
1,
1,
PF_A2B10G10R10,
false,
false,
false
);
D3D11TextureAllocated2D(*NewTexture);
NewTexture->DoNoDeferDelete();
return NewTexture;
}
FIndexBufferRHIRef FD3D11DynamicRHI::RHICreateIndexBuffer(uint32 Stride,uint32 Size,uint32 InUsage, FRHIResourceCreateInfo& CreateInfo)
{
// Explicitly check that the size is nonzero before allowing CreateIndexBuffer to opaquely fail.
check(Size > 0);
// Describe the index buffer.
D3D11_BUFFER_DESC Desc;
ZeroMemory( &Desc, sizeof( D3D11_BUFFER_DESC ) );
Desc.ByteWidth = Size;
Desc.Usage = (InUsage & BUF_AnyDynamic) ? D3D11_USAGE_DYNAMIC : D3D11_USAGE_DEFAULT;
Desc.BindFlags = D3D11_BIND_INDEX_BUFFER;
Desc.CPUAccessFlags = (InUsage & BUF_AnyDynamic) ? D3D11_CPU_ACCESS_WRITE : 0;
Desc.MiscFlags = 0;
if (InUsage & BUF_UnorderedAccess)
{
Desc.BindFlags |= D3D11_BIND_UNORDERED_ACCESS;
}
if(InUsage & BUF_DrawIndirect)
{
Desc.MiscFlags |= D3D11_RESOURCE_MISC_DRAWINDIRECT_ARGS;
}
if (InUsage & BUF_ShaderResource)
{
Desc.BindFlags |= D3D11_BIND_SHADER_RESOURCE;
}
// If a resource array was provided for the resource, create the resource pre-populated
D3D11_SUBRESOURCE_DATA InitData;
D3D11_SUBRESOURCE_DATA* pInitData = NULL;
if(CreateInfo.ResourceArray)
{
check(Size == CreateInfo.ResourceArray->GetResourceDataSize());
InitData.pSysMem = CreateInfo.ResourceArray->GetResourceData();
InitData.SysMemPitch = Size;
InitData.SysMemSlicePitch = 0;
pInitData = &InitData;
}
TRefCountPtr<ID3D11Buffer> IndexBufferResource;
VERIFYD3D11RESULT(Direct3DDevice->CreateBuffer(&Desc,pInitData,IndexBufferResource.GetInitReference()));
UpdateBufferStats(IndexBufferResource, true);
if(CreateInfo.ResourceArray)
{
// Discard the resource array's contents.
CreateInfo.ResourceArray->Discard();
}
return new FD3D11IndexBuffer(IndexBufferResource, Stride, Size, InUsage);
}
FUnorderedAccessViewRHIRef FD3D12DynamicRHI::RHICreateUnorderedAccessView(FStructuredBufferRHIParamRef StructuredBufferRHI, bool bUseUAVCounter, bool bAppendBuffer)
{
FD3D12StructuredBuffer* StructuredBuffer = FD3D12DynamicRHI::ResourceCast(StructuredBufferRHI);
const D3D12_RESOURCE_DESC& BufferDesc = StructuredBuffer->Resource->GetDesc();
const uint32 BufferUsage = StructuredBuffer->GetUsage();
const bool bByteAccessBuffer = (BufferUsage & BUF_ByteAddressBuffer) != 0;
const bool bStructuredBuffer = !bByteAccessBuffer;
check(bByteAccessBuffer != bStructuredBuffer); // You can't have a structured buffer that allows raw views
D3D12_UNORDERED_ACCESS_VIEW_DESC UAVDesc ={};
UAVDesc.ViewDimension = D3D12_UAV_DIMENSION_BUFFER;
UAVDesc.Format = DXGI_FORMAT_UNKNOWN;
uint32 EffectiveStride = StructuredBuffer->GetStride();
if (bByteAccessBuffer)
{
UAVDesc.Format = DXGI_FORMAT_R32_TYPELESS;
EffectiveStride = 4;
}
else if (BufferUsage & BUF_DrawIndirect)
{
UAVDesc.Format = DXGI_FORMAT_R32_UINT;
EffectiveStride = 4;
}
UAVDesc.Buffer.FirstElement = StructuredBuffer->ResourceLocation->GetOffset() / EffectiveStride;
UAVDesc.Buffer.NumElements = StructuredBuffer->ResourceLocation->GetEffectiveBufferSize() / EffectiveStride;
UAVDesc.Buffer.StructureByteStride = bStructuredBuffer ? EffectiveStride : 0;
UAVDesc.Buffer.Flags = D3D12_BUFFER_UAV_FLAG_NONE;
UAVDesc.Buffer.CounterOffsetInBytes = 0;
const bool bNeedsCounterResource = bAppendBuffer | bUseUAVCounter;
TRefCountPtr<FD3D12Resource> CounterResource;
if (bNeedsCounterResource)
{
GetRHIDevice()->GetResourceHelper().CreateBuffer(D3D12_HEAP_TYPE_DEFAULT, 4, CounterResource.GetInitReference(), D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS);
}
if (bByteAccessBuffer)
{
UAVDesc.Buffer.Flags |= D3D12_BUFFER_UAV_FLAG_RAW;
}
return new FD3D12UnorderedAccessView(GetRHIDevice(), &UAVDesc, StructuredBuffer->ResourceLocation, CounterResource);
}
int32 FD3DGPUProfiler::RecordEventTimestamp(ID3D11Device* Direct3DDevice, ID3D11DeviceContext* Direct3DDeviceIMContext)
{
check(CurrentGPUProfile);
D3D11_QUERY_DESC TimestampQueryDesc;
TimestampQueryDesc.Query = D3D11_QUERY_TIMESTAMP;
TimestampQueryDesc.MiscFlags = 0;
TRefCountPtr<ID3D11Query> TimestampQuery;
VERIFYD3D11RESULT(Direct3DDevice->CreateQuery(&TimestampQueryDesc,TimestampQuery.GetInitReference()));
Direct3DDeviceIMContext->End(TimestampQuery);
return CurrentGPUProfile->EventTimestampQueries.Add(TimestampQuery);
}
static uint32 CountAdapterOutputs(TRefCountPtr<IDXGIAdapter>& Adapter)
{
uint32 OutputCount = 0;
for(;;)
{
TRefCountPtr<IDXGIOutput> Output;
HRESULT hr = Adapter->EnumOutputs(OutputCount, Output.GetInitReference());
if(FAILED(hr))
{
break;
}
++OutputCount;
}
return OutputCount;
}
/**
* Initializes the static variables, if necessary.
*/
void FD3D11BufferedGPUTiming::PlatformStaticInitialize(void* UserData)
{
// Are the static variables initialized?
check( !GAreGlobalsInitialized );
// Get the GPU timestamp frequency.
GTimingFrequency = 0;
TRefCountPtr<ID3D11Query> FreqQuery;
FD3D11DynamicRHI* D3DRHI = (FD3D11DynamicRHI*)UserData;
ID3D11DeviceContext *D3D11DeviceContext = D3DRHI->GetDeviceContext();
HRESULT D3DResult;
D3D11_QUERY_DESC QueryDesc;
QueryDesc.Query = D3D11_QUERY_TIMESTAMP_DISJOINT;
QueryDesc.MiscFlags = 0;
D3DResult = D3DRHI->GetDevice()->CreateQuery(&QueryDesc, FreqQuery.GetInitReference() );
if ( D3DResult == S_OK )
{
D3D11DeviceContext->Begin(FreqQuery);
D3D11DeviceContext->End(FreqQuery);
D3D11_QUERY_DATA_TIMESTAMP_DISJOINT FreqQueryData;
D3DResult = D3D11DeviceContext->GetData(FreqQuery,&FreqQueryData,sizeof(D3D11_QUERY_DATA_TIMESTAMP_DISJOINT),0);
double StartTime = FPlatformTime::Seconds();
while ( D3DResult == S_FALSE && (FPlatformTime::Seconds() - StartTime) < 0.1 )
{
FPlatformProcess::Sleep( 0.005f );
D3DResult = D3D11DeviceContext->GetData(FreqQuery,&FreqQueryData,sizeof(D3D11_QUERY_DATA_TIMESTAMP_DISJOINT),0);
}
if(D3DResult == S_OK)
{
GTimingFrequency = FreqQueryData.Frequency;
checkSlow(!FreqQueryData.Disjoint);
}
}
FreqQuery = NULL;
}
bool FD3D11Viewport::Present(bool bLockToVsync)
{
bool bNativelyPresented = true;
#if D3D11_WITH_DWMAPI
// We can't call Present if !bIsValid, as it waits a window message to be processed, but the main thread may not be pumping the message handler.
if(bIsValid)
{
// Check if the viewport's swap chain has been invalidated by DXGI.
BOOL bSwapChainFullscreenState;
TRefCountPtr<IDXGIOutput> SwapChainOutput;
VERIFYD3D11RESULT(SwapChain->GetFullscreenState(&bSwapChainFullscreenState,SwapChainOutput.GetInitReference()));
// Can't compare BOOL with bool...
if ( (!!bSwapChainFullscreenState) != bIsFullscreen )
{
bIsValid = false;
// Minimize the window.
// use SW_FORCEMINIMIZE if the messaging thread is likely to be blocked for a sizeable period.
// SW_FORCEMINIMIZE also prevents the minimize animation from playing.
::ShowWindow(WindowHandle,SW_MINIMIZE);
}
}
// When desktop composition is enabled, locking to vsync via the Present
// call is unreliable. Instead, communicate with the desktop window manager
// directly to enable vsync.
const bool bSyncWithDWM = bLockToVsync && !bIsFullscreen && RHIConsoleVariables::bSyncWithDWM && IsCompositionEnabled();
if (bSyncWithDWM)
{
PresentWithVsyncDWM();
}
else
#endif //D3D11_WITH_DWMAPI
{
// Present the back buffer to the viewport window.
bNativelyPresented = PresentChecked(bLockToVsync ? RHIConsoleVariables::SyncInterval : 0);
}
return bNativelyPresented;
}
FRenderQueryRHIRef FD3D11DynamicRHI::RHICreateRenderQuery(ERenderQueryType QueryType)
{
TRefCountPtr<ID3D11Query> Query;
D3D11_QUERY_DESC Desc;
if(QueryType == RQT_Occlusion)
{
Desc.Query = D3D11_QUERY_OCCLUSION;
}
else if(QueryType == RQT_AbsoluteTime)
{
Desc.Query = D3D11_QUERY_TIMESTAMP;
}
else
{
check(0);
}
Desc.MiscFlags = 0;
VERIFYD3D11RESULT(Direct3DDevice->CreateQuery(&Desc,Query.GetInitReference()));
return new FD3D11OcclusionQuery(Query, QueryType);
}
void FSlateD3DRenderer::CreateDepthStencilBuffer( FSlateD3DViewport& Viewport )
{
TRefCountPtr<ID3D11Texture2D> DepthStencil;
D3D11_TEXTURE2D_DESC DescDepth;
DescDepth.Width = Viewport.ViewportInfo.Width;
DescDepth.Height = Viewport.ViewportInfo.Height;
DescDepth.MipLevels = 1;
DescDepth.ArraySize = 1;
#if DEPTH_32_BIT_CONVERSION
DescDepth.Format = DXGI_FORMAT_D32_FLOAT_S8X24_UINT;
#else
DescDepth.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
#endif
DescDepth.SampleDesc.Count = 1;
DescDepth.SampleDesc.Quality = 0;
DescDepth.Usage = D3D11_USAGE_DEFAULT;
DescDepth.BindFlags = D3D11_BIND_DEPTH_STENCIL;
DescDepth.CPUAccessFlags = 0;
DescDepth.MiscFlags = 0;
HRESULT Hr = GD3DDevice->CreateTexture2D( &DescDepth, NULL, DepthStencil.GetInitReference() );
check( SUCCEEDED(Hr) );
D3D11_DEPTH_STENCIL_VIEW_DESC DescDSV;
#if DEPTH_32_BIT_CONVERSION
DescDSV.Format = DXGI_FORMAT_D32_FLOAT_S8X24_UINT ;
#else
DescDSV.Format = DXGI_FORMAT_D24_UNORM_S8_UINT ;
#endif
DescDSV.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
DescDSV.Texture2D.MipSlice = 0;
DescDSV.Flags = 0;
// Create the depth stencil view
Hr = GD3DDevice->CreateDepthStencilView( DepthStencil, &DescDSV, Viewport.DepthStencilView.GetInitReference() );
check( SUCCEEDED(Hr) );
}
/** Merges a set of D3DXMeshes. */
static void MergeD3DXMeshes(
IDirect3DDevice9* Device,
TRefCountPtr<ID3DXMesh>& OutMesh,TArray<int32>& OutBaseFaceIndex,const TArray<ID3DXMesh*>& Meshes)
{
TArray<D3DVERTEXELEMENT9> VertexElements;
GetD3D9MeshVertexDeclarations(VertexElements);
// Count the number of faces and vertices in the input meshes.
int32 NumFaces = 0;
int32 NumVertices = 0;
for(int32 MeshIndex = 0;MeshIndex < Meshes.Num();MeshIndex++)
{
NumFaces += Meshes[MeshIndex]->GetNumFaces();
NumVertices += Meshes[MeshIndex]->GetNumVertices();
}
// Create mesh for source data
VERIFYD3D9RESULT(D3DXCreateMesh(
NumFaces,
NumVertices,
D3DXMESH_SYSTEMMEM,
(D3DVERTEXELEMENT9*)VertexElements.GetData(),
Device,
OutMesh.GetInitReference()
) );
// Fill D3DXMesh
FUtilVertex* ResultVertices;
uint16* ResultIndices;
::DWORD * ResultAttributes;
OutMesh->LockVertexBuffer(0,(LPVOID*)&ResultVertices);
OutMesh->LockIndexBuffer(0,(LPVOID*)&ResultIndices);
OutMesh->LockAttributeBuffer(0, &ResultAttributes);
int32 BaseVertexIndex = 0;
int32 BaseFaceIndex = 0;
for(int32 MeshIndex = 0;MeshIndex < Meshes.Num();MeshIndex++)
{
ID3DXMesh* Mesh = Meshes[MeshIndex];
FUtilVertex* Vertices;
uint16* Indices;
::DWORD * Attributes;
Mesh->LockVertexBuffer(0,(LPVOID*)&Vertices);
Mesh->LockIndexBuffer(0,(LPVOID*)&Indices);
Mesh->LockAttributeBuffer(0, &Attributes);
for(uint32 FaceIndex = 0;FaceIndex < Mesh->GetNumFaces();FaceIndex++)
{
for(uint32 VertexIndex = 0;VertexIndex < 3;VertexIndex++)
{
*ResultIndices++ = BaseVertexIndex + *Indices++;
}
}
OutBaseFaceIndex.Add(BaseFaceIndex);
BaseFaceIndex += Mesh->GetNumFaces();
FMemory::Memcpy(ResultVertices,Vertices,Mesh->GetNumVertices() * sizeof(FUtilVertex));
ResultVertices += Mesh->GetNumVertices();
BaseVertexIndex += Mesh->GetNumVertices();
FMemory::Memcpy(ResultAttributes,Attributes,Mesh->GetNumFaces() * sizeof(uint32));
ResultAttributes += Mesh->GetNumFaces();
Mesh->UnlockIndexBuffer();
Mesh->UnlockVertexBuffer();
Mesh->UnlockAttributeBuffer();
}
OutMesh->UnlockIndexBuffer();
OutMesh->UnlockVertexBuffer();
OutMesh->UnlockAttributeBuffer();
}
void* FD3D11DynamicRHI::RHILockIndexBuffer(FIndexBufferRHIParamRef IndexBufferRHI,uint32 Offset,uint32 Size,EResourceLockMode LockMode)
{
FD3D11IndexBuffer* IndexBuffer = ResourceCast(IndexBufferRHI);
// If this resource is bound to the device, unbind it
ConditionalClearShaderResource(IndexBuffer);
// Determine whether the index buffer is dynamic or not.
D3D11_BUFFER_DESC Desc;
IndexBuffer->Resource->GetDesc(&Desc);
const bool bIsDynamic = (Desc.Usage == D3D11_USAGE_DYNAMIC);
FD3D11LockedKey LockedKey(IndexBuffer->Resource);
FD3D11LockedData LockedData;
if(bIsDynamic)
{
check(LockMode == RLM_WriteOnly);
// If the buffer is dynamic, map its memory for writing.
D3D11_MAPPED_SUBRESOURCE MappedSubresource;
VERIFYD3D11RESULT(Direct3DDeviceIMContext->Map(IndexBuffer->Resource,0,D3D11_MAP_WRITE_DISCARD,0,&MappedSubresource));
LockedData.SetData(MappedSubresource.pData);
LockedData.Pitch = MappedSubresource.RowPitch;
}
else
{
if(LockMode == RLM_ReadOnly)
{
// If the static buffer is being locked for reading, create a staging buffer.
D3D11_BUFFER_DESC StagingBufferDesc;
ZeroMemory( &StagingBufferDesc, sizeof( D3D11_BUFFER_DESC ) );
StagingBufferDesc.ByteWidth = Size;
StagingBufferDesc.Usage = D3D11_USAGE_STAGING;
StagingBufferDesc.BindFlags = 0;
StagingBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
StagingBufferDesc.MiscFlags = 0;
TRefCountPtr<ID3D11Buffer> StagingIndexBuffer;
VERIFYD3D11RESULT(Direct3DDevice->CreateBuffer(&StagingBufferDesc,NULL,StagingIndexBuffer.GetInitReference()));
LockedData.StagingResource = StagingIndexBuffer;
// Copy the contents of the index buffer to the staging buffer.
Direct3DDeviceIMContext->CopyResource(StagingIndexBuffer,IndexBuffer->Resource);
// Map the staging buffer's memory for reading.
D3D11_MAPPED_SUBRESOURCE MappedSubresource;
VERIFYD3D11RESULT(Direct3DDeviceIMContext->Map(StagingIndexBuffer,0,D3D11_MAP_READ,0,&MappedSubresource));
LockedData.SetData(MappedSubresource.pData);
LockedData.Pitch = MappedSubresource.RowPitch;
}
else
{
// If the static buffer is being locked for writing, allocate memory for the contents to be written to.
LockedData.AllocData(Desc.ByteWidth);
LockedData.Pitch = Desc.ByteWidth;
}
}
// Add the lock to the lock map.
OutstandingLocks.Add(LockedKey,LockedData);
// Return the offset pointer
return (void*)((uint8*)LockedData.GetData() + Offset);
}
FSamplerStateRHIRef FD3D11DynamicRHI::RHICreateSamplerState(const FSamplerStateInitializerRHI& Initializer)
{
D3D11_SAMPLER_DESC SamplerDesc;
FMemory::Memzero(&SamplerDesc,sizeof(D3D11_SAMPLER_DESC));
int32 MaxAnisotropyCVar = GetCachedScalabilityCVars().MaxAnisotropy;
SamplerDesc.AddressU = TranslateAddressMode(Initializer.AddressU);
SamplerDesc.AddressV = TranslateAddressMode(Initializer.AddressV);
SamplerDesc.AddressW = TranslateAddressMode(Initializer.AddressW);
SamplerDesc.MipLODBias = Initializer.MipBias;
SamplerDesc.MaxAnisotropy = FMath::Clamp(Initializer.MaxAnisotropy > 0 ? Initializer.MaxAnisotropy : MaxAnisotropyCVar,1,16);
SamplerDesc.MinLOD = Initializer.MinMipLevel;
SamplerDesc.MaxLOD = Initializer.MaxMipLevel;
// Determine whether we should use one of the comparison modes
const bool bComparisonEnabled = Initializer.SamplerComparisonFunction != SCF_Never;
switch(Initializer.Filter)
{
case SF_AnisotropicLinear:
case SF_AnisotropicPoint:
if (SamplerDesc.MaxAnisotropy == 1)
{
SamplerDesc.Filter = bComparisonEnabled ? D3D11_FILTER_COMPARISON_MIN_MAG_MIP_LINEAR : D3D11_FILTER_MIN_MAG_MIP_LINEAR;
}
else
{
// D3D11 doesn't allow using point filtering for mip filter when using anisotropic filtering
SamplerDesc.Filter = bComparisonEnabled ? D3D11_FILTER_COMPARISON_ANISOTROPIC : D3D11_FILTER_ANISOTROPIC;
}
break;
case SF_Trilinear:
SamplerDesc.Filter = bComparisonEnabled ? D3D11_FILTER_COMPARISON_MIN_MAG_MIP_LINEAR : D3D11_FILTER_MIN_MAG_MIP_LINEAR;
break;
case SF_Bilinear:
SamplerDesc.Filter = bComparisonEnabled ? D3D11_FILTER_COMPARISON_MIN_MAG_LINEAR_MIP_POINT : D3D11_FILTER_MIN_MAG_LINEAR_MIP_POINT;
break;
case SF_Point:
SamplerDesc.Filter = bComparisonEnabled ? D3D11_FILTER_COMPARISON_MIN_MAG_MIP_POINT : D3D11_FILTER_MIN_MAG_MIP_POINT;
break;
}
const FLinearColor LinearBorderColor = FColor(Initializer.BorderColor);
SamplerDesc.BorderColor[0] = LinearBorderColor.R;
SamplerDesc.BorderColor[1] = LinearBorderColor.G;
SamplerDesc.BorderColor[2] = LinearBorderColor.B;
SamplerDesc.BorderColor[3] = LinearBorderColor.A;
SamplerDesc.ComparisonFunc = TranslateSamplerCompareFunction(Initializer.SamplerComparisonFunction);
#if LOCK_GSamplerStateCache
QUICK_SCOPE_CYCLE_COUNTER(FD3D11DynamicRHI_RHICreateSamplerState_LockAndCreate);
FScopeLock Lock(&GSamplerStateCacheLock);
#endif
// D3D11 will return the same pointer if the particular state description was already created
TRefCountPtr<ID3D11SamplerState> SamplerStateHandle;
VERIFYD3D11RESULT(Direct3DDevice->CreateSamplerState(&SamplerDesc, SamplerStateHandle.GetInitReference()));
FD3D11SamplerState** Found = GSamplerStateCache.Find(SamplerStateHandle);
if (Found)
{
return *Found;
}
FD3D11SamplerState* SamplerState = new FD3D11SamplerState;
SamplerState->Resource = SamplerStateHandle;
// Manually add reference as we control the creation/destructions
SamplerState->AddRef();
GSamplerStateCache.Add(SamplerStateHandle.GetReference(), SamplerState);
return SamplerState;
}
FStructuredBufferRHIRef FD3D11DynamicRHI::RHICreateStructuredBuffer(uint32 Stride,uint32 Size,uint32 InUsage, FRHIResourceCreateInfo& CreateInfo)
{
// Explicitly check that the size is nonzero before allowing CreateStructuredBuffer to opaquely fail.
check(Size > 0);
// Check for values that will cause D3D calls to fail
check(Size / Stride > 0 && Size % Stride == 0);
D3D11_BUFFER_DESC Desc;
ZeroMemory( &Desc, sizeof( D3D11_BUFFER_DESC ) );
Desc.ByteWidth = Size;
Desc.Usage = (InUsage & BUF_AnyDynamic) ? D3D11_USAGE_DYNAMIC : D3D11_USAGE_DEFAULT;
Desc.BindFlags = 0;
if(InUsage & BUF_ShaderResource)
{
// Setup bind flags so we can create a view to read from the buffer in a shader.
Desc.BindFlags |= D3D11_BIND_SHADER_RESOURCE;
}
if (InUsage & BUF_UnorderedAccess)
{
// Setup bind flags so we can create a writeable UAV to the buffer
Desc.BindFlags |= D3D11_BIND_UNORDERED_ACCESS;
}
if (InUsage & BUF_StreamOutput)
{
Desc.BindFlags |= D3D11_BIND_STREAM_OUTPUT;
}
Desc.CPUAccessFlags = (InUsage & BUF_AnyDynamic) ? D3D11_CPU_ACCESS_WRITE : 0;
Desc.MiscFlags = 0;
if (InUsage & BUF_DrawIndirect)
{
Desc.MiscFlags |= D3D11_RESOURCE_MISC_DRAWINDIRECT_ARGS;
}
else
{
if (InUsage & BUF_ByteAddressBuffer)
{
Desc.MiscFlags |= D3D11_RESOURCE_MISC_BUFFER_ALLOW_RAW_VIEWS;
}
else
{
Desc.MiscFlags |= D3D11_RESOURCE_MISC_BUFFER_STRUCTURED;
}
}
Desc.StructureByteStride = Stride;
if (FPlatformProperties::SupportsFastVRAMMemory())
{
if (InUsage & BUF_FastVRAM)
{
FFastVRAMAllocator::GetFastVRAMAllocator()->AllocUAVBuffer(Desc);
}
}
// If a resource array was provided for the resource, create the resource pre-populated
D3D11_SUBRESOURCE_DATA InitData;
D3D11_SUBRESOURCE_DATA* pInitData = NULL;
if(CreateInfo.ResourceArray)
{
check(Size == CreateInfo.ResourceArray->GetResourceDataSize());
InitData.pSysMem = CreateInfo.ResourceArray->GetResourceData();
InitData.SysMemPitch = Size;
InitData.SysMemSlicePitch = 0;
pInitData = &InitData;
}
TRefCountPtr<ID3D11Buffer> StructuredBufferResource;
VERIFYD3D11RESULT_EX(Direct3DDevice->CreateBuffer(&Desc,pInitData,StructuredBufferResource.GetInitReference()), Direct3DDevice);
UpdateBufferStats(StructuredBufferResource, true);
if(CreateInfo.ResourceArray)
{
// Discard the resource array's contents.
CreateInfo.ResourceArray->Discard();
}
return new FD3D11StructuredBuffer(StructuredBufferResource,Stride,Size,InUsage);
}
void FD3D11DynamicRHI::InitD3DDevice()
{
check( IsInGameThread() );
// Wait for the rendering thread to go idle.
SCOPED_SUSPEND_RENDERING_THREAD(false);
// If the device we were using has been removed, release it and the resources we created for it.
if(bDeviceRemoved)
{
UE_LOG(LogD3D11RHI, Log, TEXT("bDeviceRemoved"));
check(Direct3DDevice);
HRESULT hRes = Direct3DDevice->GetDeviceRemovedReason();
const TCHAR* Reason = TEXT("?");
switch(hRes)
{
case DXGI_ERROR_DEVICE_HUNG: Reason = TEXT("HUNG"); break;
case DXGI_ERROR_DEVICE_REMOVED: Reason = TEXT("REMOVED"); break;
case DXGI_ERROR_DEVICE_RESET: Reason = TEXT("RESET"); break;
case DXGI_ERROR_DRIVER_INTERNAL_ERROR: Reason = TEXT("INTERNAL_ERROR"); break;
case DXGI_ERROR_INVALID_CALL: Reason = TEXT("INVALID_CALL"); break;
}
bDeviceRemoved = false;
// Cleanup the D3D device.
CleanupD3DDevice();
// We currently don't support removed devices because FTexture2DResource can't recreate its RHI resources from scratch.
// We would also need to recreate the viewport swap chains from scratch.
UE_LOG(LogD3D11RHI, Fatal, TEXT("The Direct3D 11 device that was being used has been removed (Error: %d '%s'). Please restart the game."), hRes, Reason);
}
// If we don't have a device yet, either because this is the first viewport, or the old device was removed, create a device.
if(!Direct3DDevice)
{
UE_LOG(LogD3D11RHI, Log, TEXT("!Direct3DDevice"));
check(!GIsRHIInitialized);
// Clear shadowed shader resources.
ClearState();
// Determine the adapter and device type to use.
TRefCountPtr<IDXGIAdapter> Adapter;
// In Direct3D 11, if you are trying to create a hardware or a software device, set pAdapter != NULL which constrains the other inputs to be:
// DriverType must be D3D_DRIVER_TYPE_UNKNOWN
// Software must be NULL.
D3D_DRIVER_TYPE DriverType = D3D_DRIVER_TYPE_UNKNOWN;
uint32 DeviceFlags = D3D11RHI_ShouldAllowAsyncResourceCreation() ? 0 : D3D11_CREATE_DEVICE_SINGLETHREADED;
// Use a debug device if specified on the command line.
const bool bWithD3DDebug = D3D11RHI_ShouldCreateWithD3DDebug();
if (bWithD3DDebug)
{
DeviceFlags |= D3D11_CREATE_DEVICE_DEBUG;
UE_LOG(LogD3D11RHI, Log, TEXT("InitD3DDevice: -D3DDebug = %s"), bWithD3DDebug ? TEXT("on") : TEXT("off"));
}
GTexturePoolSize = 0;
TRefCountPtr<IDXGIAdapter> EnumAdapter;
if(DXGIFactory1->EnumAdapters(ChosenAdapter,EnumAdapter.GetInitReference()) != DXGI_ERROR_NOT_FOUND)
{
if (EnumAdapter)// && EnumAdapter->CheckInterfaceSupport(__uuidof(ID3D11Device),NULL) == S_OK)
{
DXGI_ADAPTER_DESC AdapterDesc;
if (SUCCEEDED(EnumAdapter->GetDesc(&AdapterDesc)))
{
Adapter = EnumAdapter;
GRHIAdapterName = AdapterDesc.Description;
GRHIVendorId = AdapterDesc.VendorId;
// Issue: 32bit windows doesn't report 64bit value, we take what we get.
FD3D11GlobalStats::GDedicatedVideoMemory = int64(AdapterDesc.DedicatedVideoMemory);
FD3D11GlobalStats::GDedicatedSystemMemory = int64(AdapterDesc.DedicatedSystemMemory);
FD3D11GlobalStats::GSharedSystemMemory = int64(AdapterDesc.SharedSystemMemory);
// Total amount of system memory, clamped to 8 GB
int64 TotalPhysicalMemory = FMath::Min(int64(FPlatformMemory::GetConstants().TotalPhysicalGB), 8ll) * (1024ll * 1024ll * 1024ll);
// Consider 50% of the shared memory but max 25% of total system memory.
int64 ConsideredSharedSystemMemory = FMath::Min( FD3D11GlobalStats::GSharedSystemMemory / 2ll, TotalPhysicalMemory / 4ll );
FD3D11GlobalStats::GTotalGraphicsMemory = 0;
if ( IsRHIDeviceIntel() )
{
// It's all system memory.
FD3D11GlobalStats::GTotalGraphicsMemory = FD3D11GlobalStats::GDedicatedVideoMemory;
FD3D11GlobalStats::GTotalGraphicsMemory += FD3D11GlobalStats::GDedicatedSystemMemory;
FD3D11GlobalStats::GTotalGraphicsMemory += ConsideredSharedSystemMemory;
}
else if ( FD3D11GlobalStats::GDedicatedVideoMemory >= 200*1024*1024 )
{
// Use dedicated video memory, if it's more than 200 MB
FD3D11GlobalStats::GTotalGraphicsMemory = FD3D11GlobalStats::GDedicatedVideoMemory;
}
else if ( FD3D11GlobalStats::GDedicatedSystemMemory >= 200*1024*1024 )
{
// Use dedicated system memory, if it's more than 200 MB
FD3D11GlobalStats::GTotalGraphicsMemory = FD3D11GlobalStats::GDedicatedSystemMemory;
}
else if ( FD3D11GlobalStats::GSharedSystemMemory >= 400*1024*1024 )
{
// Use some shared system memory, if it's more than 400 MB
FD3D11GlobalStats::GTotalGraphicsMemory = ConsideredSharedSystemMemory;
}
else
{
// Otherwise consider 25% of total system memory for graphics.
FD3D11GlobalStats::GTotalGraphicsMemory = TotalPhysicalMemory / 4ll;
}
if ( sizeof(SIZE_T) < 8 )
{
// Clamp to 1 GB if we're less than 64-bit
FD3D11GlobalStats::GTotalGraphicsMemory = FMath::Min( FD3D11GlobalStats::GTotalGraphicsMemory, 1024ll * 1024ll * 1024ll );
}
else
{
// Clamp to 1.9 GB if we're 64-bit
FD3D11GlobalStats::GTotalGraphicsMemory = FMath::Min( FD3D11GlobalStats::GTotalGraphicsMemory, 1945ll * 1024ll * 1024ll );
}
if ( GPoolSizeVRAMPercentage > 0 )
{
float PoolSize = float(GPoolSizeVRAMPercentage) * 0.01f * float(FD3D11GlobalStats::GTotalGraphicsMemory);
// Truncate GTexturePoolSize to MB (but still counted in bytes)
GTexturePoolSize = int64(FGenericPlatformMath::TruncToFloat(PoolSize / 1024.0f / 1024.0f)) * 1024 * 1024;
UE_LOG(LogRHI,Log,TEXT("Texture pool is %llu MB (%d%% of %llu MB)"),
GTexturePoolSize / 1024 / 1024,
GPoolSizeVRAMPercentage,
FD3D11GlobalStats::GTotalGraphicsMemory / 1024 / 1024);
}
const bool bIsPerfHUD = !FCString::Stricmp(AdapterDesc.Description,TEXT("NVIDIA PerfHUD"));
if(bIsPerfHUD)
{
DriverType = D3D_DRIVER_TYPE_REFERENCE;
}
}
else
{
check(!"Internal error, GetDesc() failed but before it worked")
}
}
}
else
{
void FD3D11DynamicRHIModule::FindAdapter()
{
// Once we chosen one we don't need to do it again.
check(!ChosenAdapter.IsValid());
// Try to create the DXGIFactory1. This will fail if we're not running Vista SP2 or higher.
TRefCountPtr<IDXGIFactory1> DXGIFactory1;
SafeCreateDXGIFactory(DXGIFactory1.GetInitReference());
if(!DXGIFactory1)
{
return;
}
bool bAllowPerfHUD = true;
#if UE_BUILD_SHIPPING || UE_BUILD_TEST
bAllowPerfHUD = false;
#endif
int32 CVarValue = CVarGraphicsAdapter.GetValueOnGameThread();
const bool bFavorNonIntegrated = CVarValue == -1;
TRefCountPtr<IDXGIAdapter> TempAdapter;
D3D_FEATURE_LEVEL MaxAllowedFeatureLevel = GetAllowedD3DFeatureLevel();
FD3D11Adapter FirstWithoutIntegratedAdapter;
FD3D11Adapter FirstAdapter;
bool bIsAnyAMD = false;
bool bIsAnyIntel = false;
bool bIsAnyNVIDIA = false;
// Enumerate the DXGIFactory's adapters.
for(uint32 AdapterIndex = 0; DXGIFactory1->EnumAdapters(AdapterIndex,TempAdapter.GetInitReference()) != DXGI_ERROR_NOT_FOUND; ++AdapterIndex)
{
// Check that if adapter supports D3D11.
if(TempAdapter)
{
D3D_FEATURE_LEVEL ActualFeatureLevel = (D3D_FEATURE_LEVEL)0;
if(SafeTestD3D11CreateDevice(TempAdapter,MaxAllowedFeatureLevel,&ActualFeatureLevel))
{
// Log some information about the available D3D11 adapters.
DXGI_ADAPTER_DESC AdapterDesc;
VERIFYD3D11RESULT(TempAdapter->GetDesc(&AdapterDesc));
uint32 OutputCount = CountAdapterOutputs(TempAdapter);
UE_LOG(LogD3D11RHI, Log,
TEXT("Found D3D11 adapter %u: %s (Feature Level %s)"),
AdapterIndex,
AdapterDesc.Description,
GetFeatureLevelString(ActualFeatureLevel)
);
UE_LOG(LogD3D11RHI, Log,
TEXT("Adapter has %uMB of dedicated video memory, %uMB of dedicated system memory, and %uMB of shared system memory, %d output[s]"),
(uint32)(AdapterDesc.DedicatedVideoMemory / (1024*1024)),
(uint32)(AdapterDesc.DedicatedSystemMemory / (1024*1024)),
(uint32)(AdapterDesc.SharedSystemMemory / (1024*1024)),
OutputCount
);
bool bIsAMD = AdapterDesc.VendorId == 0x1002;
bool bIsIntel = AdapterDesc.VendorId == 0x8086;
bool bIsNVIDIA = AdapterDesc.VendorId == 0x10DE;
if(bIsAMD) bIsAnyAMD = true;
if(bIsIntel) bIsAnyIntel = true;
if(bIsNVIDIA) bIsAnyNVIDIA = true;
// Simple heuristic but without profiling it's hard to do better
const bool bIsIntegrated = bIsIntel;
// PerfHUD is for performance profiling
const bool bIsPerfHUD = !FCString::Stricmp(AdapterDesc.Description,TEXT("NVIDIA PerfHUD"));
FD3D11Adapter CurrentAdapter(AdapterIndex, ActualFeatureLevel);
if(!OutputCount)
{
// This device has no outputs. Reject it,
// http://msdn.microsoft.com/en-us/library/windows/desktop/bb205075%28v=vs.85%29.aspx#WARP_new_for_Win8
continue;
}
if(bIsPerfHUD && !bAllowPerfHUD)
{
// we don't allow the PerfHUD adapter
continue;
}
if(CVarValue >= 0 && AdapterIndex != CVarValue)
{
// the user wants a specific adapter, not this one
continue;
}
if(!bIsIntegrated && !FirstWithoutIntegratedAdapter.IsValid())
{
FirstWithoutIntegratedAdapter = CurrentAdapter;
}
if(!FirstAdapter.IsValid())
{
FirstAdapter = CurrentAdapter;
}
}
}
}
if(bFavorNonIntegrated && (bIsAnyAMD || bIsAnyNVIDIA))
{
ChosenAdapter = FirstWithoutIntegratedAdapter;
// We assume Intel is integrated graphics (slower than discrete) than NVIDIA or AMD cards and rather take a different one
if(!ChosenAdapter.IsValid())
{
ChosenAdapter = FirstAdapter;
}
}
else
{
ChosenAdapter = FirstAdapter;
}
if(ChosenAdapter.IsValid())
{
UE_LOG(LogD3D11RHI, Log, TEXT("Chosen D3D11 Adapter Id = %u"), ChosenAdapter.AdapterIndex);
}
else
{
UE_LOG(LogD3D11RHI, Error, TEXT("Failed to choose a D3D11 Adapter."));
}
}
FUnorderedAccessViewRHIRef FD3D11DynamicRHI::RHICreateUnorderedAccessView(FTextureRHIParamRef TextureRHI)
{
FD3D11TextureBase* Texture = GetD3D11TextureFromRHITexture(TextureRHI);
D3D11_UNORDERED_ACCESS_VIEW_DESC UAVDesc;
if (TextureRHI->GetTexture3D() != NULL)
{
FD3D11Texture3D* Texture3D = (FD3D11Texture3D*)Texture;
UAVDesc.ViewDimension = D3D11_UAV_DIMENSION_TEXTURE3D;
UAVDesc.Texture3D.MipSlice = 0;
UAVDesc.Texture3D.FirstWSlice = 0;
UAVDesc.Texture3D.WSize = Texture3D->GetSizeZ();
}
else
{
UAVDesc.ViewDimension = D3D11_UAV_DIMENSION_TEXTURE2D;
UAVDesc.Texture2D.MipSlice = 0;
}
UAVDesc.Format = FindShaderResourceDXGIFormat((DXGI_FORMAT)GPixelFormats[TextureRHI->GetFormat()].PlatformFormat, false);
TRefCountPtr<ID3D11UnorderedAccessView> UnorderedAccessView;
VERIFYD3D11RESULT(Direct3DDevice->CreateUnorderedAccessView(Texture->GetResource(),&UAVDesc,(ID3D11UnorderedAccessView**)UnorderedAccessView.GetInitReference()));
return new FD3D11UnorderedAccessView(UnorderedAccessView,Texture);
}
bool FD3D9MeshUtilities::GenerateUVs(
struct FRawMesh& RawMesh,
uint32 TexCoordIndex,
float MinChartSpacingPercent,
float BorderSpacingPercent,
bool bUseMaxStretch,
const TArray< int32 >* InFalseEdgeIndices,
uint32& MaxCharts,
float& MaxDesiredStretch,
FText& OutError
)
{
OutError = FText();
if(!IsValid())
{
OutError = LOCTEXT("GenerateUVs_FailedInvalid", "GenerateUVs failed, mesh was invalid.");
return false;
}
int32 NumTexCoords = 0;
for (int32 i = 0; i < MAX_MESH_TEXTURE_COORDS; ++i)
{
if (RawMesh.WedgeTexCoords[i].Num() != RawMesh.WedgeIndices.Num())
{
break;
}
NumTexCoords++;
}
if (TexCoordIndex > (uint32)NumTexCoords)
{
OutError = LOCTEXT("GenerateUVs_FailedUVs", "GenerateUVs failed, incorrect number of texcoords.");
return false;
}
TRefCountPtr<ID3DXMesh> ChartMesh;
TArray<uint32> AtlasAndChartAdjacency;
TArray<int32> AtlasAndChartTriangleCharts;
{
const bool bUseFalseEdges = InFalseEdgeIndices != NULL;
// When using false edges we don't remove degenerates as we want our incoming selected edge list to map
// correctly to the D3DXMesh.
const bool bRemoveDegenerateTriangles = !bUseFalseEdges;
// Create a D3DXMesh for the triangles being charted.
TRefCountPtr<ID3DXMesh> SourceMesh;
if (!ConvertRawMeshToD3DXMesh(Device, RawMesh,bRemoveDegenerateTriangles,SourceMesh))
{
OutError = LOCTEXT("GenerateUVs_FailedConvert", "GenerateUVs failed, couldn't convert to a D3DXMesh.");
return false;
}
//generate adjacency info for the mesh, which is needed later
TArray<uint32> Adjacency;
GenerateAdjacency(SourceMesh,Adjacency,FFragmentedAdjacencyFilter());
// We don't clean the mesh as this can collapse vertices or delete degenerate triangles, and
// we want our incoming selected edge list to map correctly to the D3DXMesh.
if( !bUseFalseEdges )
{
//clean the mesh
TRefCountPtr<ID3DXMesh> TempMesh;
TArray<uint32> CleanedAdjacency;
CleanedAdjacency.AddUninitialized(SourceMesh->GetNumFaces() * 3);
if( FAILED(D3DXCleanMesh( D3DXCLEAN_SIMPLIFICATION, SourceMesh, (::DWORD *)Adjacency.GetTypedData(), TempMesh.GetInitReference(),
(::DWORD *)CleanedAdjacency.GetTypedData(), NULL ) ) )
{
OutError = LOCTEXT("GenerateUVs_FailedClean", "GenerateUVs failed, couldn't clean mesh.");
return false;
}
SourceMesh = TempMesh;
Adjacency = CleanedAdjacency;
}
// Setup the D3DX "false edge" array. This is three DWORDS per face that define properties of the
// face's edges. Values of -1 indicates that the edge may be used as a UV seam in a the chart. Any
// other value indicates that the edge should never be a UV seam. This essentially allows us to
// provide a precise list of edges to be used as UV seams in the new charts.
uint32* FalseEdgeArray = NULL;
TArray<uint32> FalseEdges;
if( bUseFalseEdges )
{
// -1 means "always use this edge as a chart UV seam" to D3DX
FalseEdges.AddUninitialized( SourceMesh->GetNumFaces() * 3 );
for( int32 CurFalseEdgeIndex = 0; CurFalseEdgeIndex < (int32)SourceMesh->GetNumFaces() * 3; ++CurFalseEdgeIndex )
{
FalseEdges[ CurFalseEdgeIndex ] = -1;
}
// For each tagged edge
for( int32 CurTaggedEdgeIndex = 0; CurTaggedEdgeIndex < InFalseEdgeIndices->Num(); ++CurTaggedEdgeIndex )
{
const int32 EdgeIndex = ( *InFalseEdgeIndices )[ CurTaggedEdgeIndex ];
// Mark this as a false edge by setting it to a value other than negative one
FalseEdges[ EdgeIndex ] = Adjacency[ CurTaggedEdgeIndex ];
}
FalseEdgeArray = (uint32*)FalseEdges.GetTypedData();
}
// Partition the mesh's triangles into charts.
TRefCountPtr<ID3DXBuffer> PartitionResultAdjacencyBuffer;
TRefCountPtr<ID3DXBuffer> FacePartitionBuffer;
HRESULT Result = D3DXUVAtlasPartition(
SourceMesh,
bUseMaxStretch ? 0 : MaxCharts, // Max charts (0 = use max stretch instead)
MaxDesiredStretch,
TexCoordIndex,
(::DWORD *)Adjacency.GetTypedData(),
(::DWORD *)FalseEdgeArray, // False edges
NULL, // IMT data
&GenerateUVsStatusCallback,
0.01f, // Callback frequency
NULL, // Callback user data
D3DXUVATLAS_GEODESIC_QUALITY,
ChartMesh.GetInitReference(),
FacePartitionBuffer.GetInitReference(),
NULL,
PartitionResultAdjacencyBuffer.GetInitReference(),
&MaxDesiredStretch,
&MaxCharts
);
if (FAILED(Result))
{
UE_LOG(LogD3D9MeshUtils, Warning,
TEXT("D3DXUVAtlasPartition() returned %u with MaxDesiredStretch=%.2f, TexCoordIndex=%u."),
Result,
MaxDesiredStretch,
TexCoordIndex
);
OutError = LOCTEXT("GenerateUVs_FailedPartition", "GenerateUVs failed, D3DXUVAtlasPartition failed.");
return false;
}
// Extract the chart adjacency data from the D3DX buffer into an array.
for(uint32 TriangleIndex = 0;TriangleIndex < ChartMesh->GetNumFaces();TriangleIndex++)
{
for(int32 EdgeIndex = 0;EdgeIndex < 3;EdgeIndex++)
{
AtlasAndChartAdjacency.Add(*((uint32*)PartitionResultAdjacencyBuffer->GetBufferPointer()+TriangleIndex*3+EdgeIndex));
}
}
// Extract the triangle chart data from the D3DX buffer into an array.
uint32* FacePartitionBufferPointer = (uint32*)FacePartitionBuffer->GetBufferPointer();
for(uint32 TriangleIndex = 0;TriangleIndex < ChartMesh->GetNumFaces();TriangleIndex++)
{
AtlasAndChartTriangleCharts.Add(*FacePartitionBufferPointer++);
}
// Scale the partitioned UVs down.
FUtilVertex* LockedVertices;
ChartMesh->LockVertexBuffer(0,(LPVOID*)&LockedVertices);
for(uint32 VertexIndex = 0;VertexIndex < ChartMesh->GetNumVertices();VertexIndex++)
{
LockedVertices[VertexIndex].UVs[TexCoordIndex] /= 2048.0f;
}
ChartMesh->UnlockVertexBuffer();
}
if(ChartMesh)
{
// Create a buffer to hold the triangle chart data.
TRefCountPtr<ID3DXBuffer> MergedTriangleChartsBuffer;
VERIFYD3D9RESULT(D3DXCreateBuffer(
AtlasAndChartTriangleCharts.Num() * sizeof(int32),
MergedTriangleChartsBuffer.GetInitReference()
));
uint32* MergedTriangleChartsBufferPointer = (uint32*)MergedTriangleChartsBuffer->GetBufferPointer();
for(int32 TriangleIndex = 0;TriangleIndex < AtlasAndChartTriangleCharts.Num();TriangleIndex++)
{
*MergedTriangleChartsBufferPointer++ = AtlasAndChartTriangleCharts[TriangleIndex];
}
const uint32 FakeTexSize = 1024;
const float GutterSize = ( float )FakeTexSize * MinChartSpacingPercent * 0.01f;
// Pack the charts into a unified atlas.
HRESULT Result = D3DXUVAtlasPack(
ChartMesh,
FakeTexSize,
FakeTexSize,
GutterSize,
TexCoordIndex,
(::DWORD *)AtlasAndChartAdjacency.GetTypedData(),
&GenerateUVsStatusCallback,
0.01f, // Callback frequency
NULL,
0,
MergedTriangleChartsBuffer
);
if (FAILED(Result))
{
UE_LOG(LogD3D9MeshUtils, Warning,
TEXT("D3DXUVAtlasPack() returned %u."),
Result
);
OutError = LOCTEXT("GenerateUVs_FailedPack", "GenerateUVs failed, D3DXUVAtlasPack failed.");
return false;
}
int32 NewNumTexCoords = FMath::Max<int32>(NumTexCoords, TexCoordIndex + 1);
FRawMesh FinalMesh;
if (!ConvertD3DXMeshToRawMesh(ChartMesh, FinalMesh, NewNumTexCoords))
{
OutError = LOCTEXT("GenerateUVs_FailedSimple", "GenerateUVs failed, couldn't convert the simplified D3DXMesh back to a UStaticMesh.");
return false;
}
// Scale/offset the UVs appropriately to ensure there is empty space around the border
{
const float BorderSize = BorderSpacingPercent * 0.01f;
const float ScaleAmount = 1.0f - BorderSize * 2.0f;
for( int32 CurUVIndex = 0; CurUVIndex < MAX_MESH_TEXTURE_COORDS; ++CurUVIndex )
{
int32 NumWedges = FinalMesh.WedgeTexCoords[CurUVIndex].Num();
for( int32 WedgeIndex = 0; WedgeIndex < NumWedges; ++WedgeIndex )
{
FVector2D& UV = FinalMesh.WedgeTexCoords[CurUVIndex][WedgeIndex];
UV.X = BorderSize + UV.X * ScaleAmount;
UV.Y = BorderSize + UV.Y * ScaleAmount;
}
}
}
RawMesh = FinalMesh;
}
return true;
}
FUnorderedAccessViewRHIRef FD3D11DynamicRHI::RHICreateUnorderedAccessView(FStructuredBufferRHIParamRef StructuredBufferRHI, bool bUseUAVCounter, bool bAppendBuffer)
{
FD3D11StructuredBuffer* StructuredBuffer = ResourceCast(StructuredBufferRHI);
D3D11_BUFFER_DESC BufferDesc;
StructuredBuffer->Resource->GetDesc(&BufferDesc);
const bool bByteAccessBuffer = (BufferDesc.MiscFlags & D3D11_RESOURCE_MISC_BUFFER_ALLOW_RAW_VIEWS) != 0;
D3D11_UNORDERED_ACCESS_VIEW_DESC UAVDesc;
UAVDesc.ViewDimension = D3D11_UAV_DIMENSION_BUFFER;
UAVDesc.Format = DXGI_FORMAT_UNKNOWN;
if (BufferDesc.MiscFlags & D3D11_RESOURCE_MISC_DRAWINDIRECT_ARGS)
{
UAVDesc.Format = DXGI_FORMAT_R32_UINT;
}
else if (bByteAccessBuffer)
{
UAVDesc.Format = DXGI_FORMAT_R32_TYPELESS;
}
UAVDesc.Buffer.FirstElement = 0;
// For byte access buffers and indirect draw argument buffers, GetDesc returns a StructureByteStride of 0 even though we created it with 4
const uint32 EffectiveStride = BufferDesc.StructureByteStride == 0 ? 4 : BufferDesc.StructureByteStride;
UAVDesc.Buffer.NumElements = BufferDesc.ByteWidth / EffectiveStride;
UAVDesc.Buffer.Flags = 0;
if (bUseUAVCounter)
{
UAVDesc.Buffer.Flags |= D3D11_BUFFER_UAV_FLAG_COUNTER;
}
if (bAppendBuffer)
{
UAVDesc.Buffer.Flags |= D3D11_BUFFER_UAV_FLAG_APPEND;
}
if (bByteAccessBuffer)
{
UAVDesc.Buffer.Flags |= D3D11_BUFFER_UAV_FLAG_RAW;
}
TRefCountPtr<ID3D11UnorderedAccessView> UnorderedAccessView;
VERIFYD3D11RESULT(Direct3DDevice->CreateUnorderedAccessView(StructuredBuffer->Resource,&UAVDesc,(ID3D11UnorderedAccessView**)UnorderedAccessView.GetInitReference()));
return new FD3D11UnorderedAccessView(UnorderedAccessView,StructuredBuffer);
}
FUnorderedAccessViewRHIRef FD3D11DynamicRHI::RHICreateUnorderedAccessView(FVertexBufferRHIParamRef VertexBufferRHI, uint8 Format)
{
DYNAMIC_CAST_D3D11RESOURCE(VertexBuffer,VertexBuffer);
D3D11_BUFFER_DESC BufferDesc;
VertexBuffer->Resource->GetDesc(&BufferDesc);
const bool bByteAccessBuffer = (BufferDesc.MiscFlags & D3D11_RESOURCE_MISC_BUFFER_ALLOW_RAW_VIEWS) != 0;
D3D11_UNORDERED_ACCESS_VIEW_DESC UAVDesc;
UAVDesc.ViewDimension = D3D11_UAV_DIMENSION_BUFFER;
UAVDesc.Format = FindUnorderedAccessDXGIFormat((DXGI_FORMAT)GPixelFormats[Format].PlatformFormat);
UAVDesc.Buffer.FirstElement = 0;
UAVDesc.Buffer.NumElements = BufferDesc.ByteWidth / GPixelFormats[Format].BlockBytes;
UAVDesc.Buffer.Flags = 0;
if (bByteAccessBuffer)
{
UAVDesc.Buffer.Flags |= D3D11_BUFFER_UAV_FLAG_RAW;
UAVDesc.Format = DXGI_FORMAT_R32_TYPELESS;
}
TRefCountPtr<ID3D11UnorderedAccessView> UnorderedAccessView;
VERIFYD3D11RESULT(Direct3DDevice->CreateUnorderedAccessView(VertexBuffer->Resource,&UAVDesc,(ID3D11UnorderedAccessView**)UnorderedAccessView.GetInitReference()));
return new FD3D11UnorderedAccessView(UnorderedAccessView,VertexBuffer);
}
FD3D11Texture2DSet* FD3D11Texture2DSet::D3D11CreateTexture2DSet(
FD3D11DynamicRHI* InD3D11RHI,
ovrSwapTextureSet* InTextureSet,
const D3D11_TEXTURE2D_DESC& InDsDesc,
EPixelFormat InFormat,
uint32 InFlags
)
{
check(InTextureSet);
TArray<TRefCountPtr<ID3D11RenderTargetView> > RenderTargetViews;
FD3D11Texture2DSet* NewTextureSet = new FD3D11Texture2DSet(
InD3D11RHI,
nullptr,
nullptr,
false,
1,
RenderTargetViews,
/*DepthStencilViews=*/ NULL,
InDsDesc.Width,
InDsDesc.Height,
0,
InDsDesc.MipLevels,
InDsDesc.SampleDesc.Count,
InFormat,
/*bInCubemap=*/ false,
InFlags,
/*bPooledTexture=*/ false
);
const uint32 TexCount = InTextureSet->TextureCount;
const bool bSRGB = (InFlags & TexCreate_SRGB) != 0;
const DXGI_FORMAT PlatformResourceFormat = (DXGI_FORMAT)GPixelFormats[InFormat].PlatformFormat;
const DXGI_FORMAT PlatformShaderResourceFormat = FindShaderResourceDXGIFormat(PlatformResourceFormat, bSRGB);
const DXGI_FORMAT PlatformRenderTargetFormat = FindShaderResourceDXGIFormat(PlatformResourceFormat, bSRGB);
D3D11_RTV_DIMENSION RenderTargetViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
if (InDsDesc.SampleDesc.Count > 1)
{
RenderTargetViewDimension = D3D11_RTV_DIMENSION_TEXTURE2DMS;
}
for (uint32 i = 0; i < TexCount; ++i)
{
ovrD3D11Texture D3DTex;
D3DTex.Texture = InTextureSet->Textures[i];
TArray<TRefCountPtr<ID3D11RenderTargetView> > RenderTargetViews;
if (InFlags & TexCreate_RenderTargetable)
{
// Create a render target view for each mip
for (uint32 MipIndex = 0; MipIndex < InDsDesc.MipLevels; MipIndex++)
{
check(!(InFlags & TexCreate_TargetArraySlicesIndependently)); // not supported
D3D11_RENDER_TARGET_VIEW_DESC RTVDesc;
FMemory::Memzero(&RTVDesc, sizeof(RTVDesc));
RTVDesc.Format = PlatformRenderTargetFormat;
RTVDesc.ViewDimension = RenderTargetViewDimension;
RTVDesc.Texture2D.MipSlice = MipIndex;
TRefCountPtr<ID3D11RenderTargetView> RenderTargetView;
VERIFYD3D11RESULT(InD3D11RHI->GetDevice()->CreateRenderTargetView(D3DTex.D3D11.pTexture, &RTVDesc, RenderTargetView.GetInitReference()));
RenderTargetViews.Add(RenderTargetView);
}
}
TRefCountPtr<ID3D11ShaderResourceView> ShaderResourceView = D3DTex.D3D11.pSRView;
// Create a shader resource view for the texture.
if (!ShaderResourceView && (InFlags & TexCreate_ShaderResource))
{
D3D11_SRV_DIMENSION ShaderResourceViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
D3D11_SHADER_RESOURCE_VIEW_DESC SRVDesc;
SRVDesc.Format = PlatformShaderResourceFormat;
SRVDesc.ViewDimension = ShaderResourceViewDimension;
SRVDesc.Texture2D.MostDetailedMip = 0;
SRVDesc.Texture2D.MipLevels = InDsDesc.MipLevels;
VERIFYD3D11RESULT(InD3D11RHI->GetDevice()->CreateShaderResourceView(D3DTex.D3D11.pTexture, &SRVDesc, ShaderResourceView.GetInitReference()));
check(IsValidRef(ShaderResourceView));
}
NewTextureSet->AddTexture(D3DTex.D3D11.pTexture, ShaderResourceView, &RenderTargetViews);
}
NewTextureSet->TextureSet = InTextureSet;
NewTextureSet->InitWithCurrentElement();
return NewTextureSet;
}
/**
* Returns a supported screen resolution that most closely matches the input.
* @param Width - Input: Desired resolution width in pixels. Output: A width that the platform supports.
* @param Height - Input: Desired resolution height in pixels. Output: A height that the platform supports.
*/
void FD3D11DynamicRHI::RHIGetSupportedResolution( uint32 &Width, uint32 &Height )
{
uint32 InitializedMode = false;
DXGI_MODE_DESC BestMode;
BestMode.Width = 0;
BestMode.Height = 0;
{
HRESULT hr = S_OK;
TRefCountPtr<IDXGIAdapter> Adapter;
hr = DXGIFactory->EnumAdapters(ChosenAdapter,Adapter.GetInitReference());
if( DXGI_ERROR_NOT_FOUND == hr )
{
return;
}
if( FAILED(hr) )
{
return;
}
// get the description of the adapter
DXGI_ADAPTER_DESC AdapterDesc;
VERIFYD3D11RESULT(Adapter->GetDesc(&AdapterDesc));
// Enumerate outputs for this adapter
// TODO: Cap at 1 for default output
for(uint32 o = 0;o < 1; o++)
{
TRefCountPtr<IDXGIOutput> Output;
hr = Adapter->EnumOutputs(o,Output.GetInitReference());
if(DXGI_ERROR_NOT_FOUND == hr)
break;
if(FAILED(hr))
return;
// TODO: GetDisplayModeList is a terribly SLOW call. It can take up to a second per invocation.
// We might want to work around some DXGI badness here.
DXGI_FORMAT Format = DXGI_FORMAT_R8G8B8A8_UNORM;
uint32 NumModes = 0;
hr = Output->GetDisplayModeList(Format,0,&NumModes,NULL);
if(hr == DXGI_ERROR_NOT_FOUND)
{
return;
}
else if(hr == DXGI_ERROR_NOT_CURRENTLY_AVAILABLE)
{
UE_LOG(LogD3D11RHI, Fatal,
TEXT("This application cannot be run over a remote desktop configuration")
);
return;
}
DXGI_MODE_DESC* ModeList = new DXGI_MODE_DESC[ NumModes ];
VERIFYD3D11RESULT(Output->GetDisplayModeList(Format,0,&NumModes,ModeList));
for(uint32 m = 0;m < NumModes;m++)
{
// Search for the best mode
// Suppress static analysis warnings about a potentially out-of-bounds read access to ModeList. This is a false positive - Index is always within range.
CA_SUPPRESS( 6385 );
bool IsEqualOrBetterWidth = FMath::Abs((int32)ModeList[m].Width - (int32)Width) <= FMath::Abs((int32)BestMode.Width - (int32)Width);
bool IsEqualOrBetterHeight = FMath::Abs((int32)ModeList[m].Height - (int32)Height) <= FMath::Abs((int32)BestMode.Height - (int32)Height);
if(!InitializedMode || (IsEqualOrBetterWidth && IsEqualOrBetterHeight))
{
BestMode = ModeList[m];
InitializedMode = true;
}
}
delete[] ModeList;
}
}
check(InitializedMode);
Width = BestMode.Width;
Height = BestMode.Height;
}
bool FD3D9MeshUtilities::LayoutUVs(
struct FRawMesh& RawMesh,
uint32 TextureResolution,
uint32 TexCoordIndex,
FText& OutError
)
{
OutError = FText();
if(!IsValid() || !RawMesh.IsValid())
{
OutError = LOCTEXT("LayoutUVs_FailedInvalid", "LayoutUVs failed, mesh was invalid.");
return false;
}
int32 NumTexCoords = 0;
for (int32 i = 0; i < MAX_MESH_TEXTURE_COORDS; ++i)
{
if (RawMesh.WedgeTexCoords[i].Num() != RawMesh.WedgeIndices.Num())
{
break;
}
NumTexCoords++;
}
if (TexCoordIndex > (uint32)NumTexCoords)
{
OutError = LOCTEXT("LayoutUVs_FailedUVs", "LayoutUVs failed, incorrect number of texcoords.");
return false;
}
// Sort the mesh's triangles by whether they need to be charted, or just to be packed into the atlas.
FRawMesh MeshToAtlas = RawMesh;
if (TexCoordIndex > 0)
{
MeshToAtlas.WedgeTexCoords[TexCoordIndex] = MeshToAtlas.WedgeTexCoords[0];
}
TRefCountPtr<ID3DXMesh> ChartMesh;
TArray<uint32> AtlasAndChartAdjacency;
TArray<int32> AtlasAndChartTriangleCharts;
TRefCountPtr<ID3DXMesh> MergedMesh;
TArray<uint32> MergedAdjacency;
TArray<int32> MergedTriangleCharts;
TRefCountPtr<ID3DXMesh> AtlasOnlyMesh;
TArray<uint32> AtlasOnlyAdjacency;
TArray<int32> AtlasOnlyTriangleCharts;
{
// Create a D3DXMesh for the triangles that only need to be atlassed.
const bool bRemoveDegenerateTriangles = true;
if (!ConvertRawMeshToD3DXMesh(Device,MeshToAtlas,bRemoveDegenerateTriangles,AtlasOnlyMesh))
{
OutError = LOCTEXT("LayoutUVs_FailedConvert", "LayoutUVs failed, couldn't convert to a D3DXMesh.");
return false;
}
// generate mapping orientations info
FLayoutUVWindingInfo WindingInfo(AtlasOnlyMesh, TexCoordIndex);
// Generate adjacency for the pre-charted triangles based on their input charts.
GenerateAdjacency(AtlasOnlyMesh,AtlasOnlyAdjacency,FUVChartAdjacencyFilter(TexCoordIndex), &WindingInfo);
////clean the mesh
TRefCountPtr<ID3DXMesh> TempMesh;
TArray<uint32> CleanedAdjacency;
CleanedAdjacency.AddUninitialized(AtlasOnlyMesh->GetNumFaces() * 3);
if( FAILED(D3DXCleanMesh( D3DXCLEAN_SIMPLIFICATION,
AtlasOnlyMesh,
(::DWORD *)AtlasOnlyAdjacency.GetTypedData(),
TempMesh.GetInitReference(),
(::DWORD *)CleanedAdjacency.GetTypedData(),
NULL ) ) )
{
OutError = LOCTEXT("LayoutUVs_FailedClean", "LayoutUVs failed, couldn't clean mesh.");
return false;
}
// Group the pre-charted triangles into indexed charts based on their adjacency in the chart.
AssignMinimalAdjacencyGroups(CleanedAdjacency,AtlasOnlyTriangleCharts);
MergedMesh = TempMesh;
MergedAdjacency = CleanedAdjacency;
MergedTriangleCharts = AtlasOnlyTriangleCharts;
}
if(MergedMesh)
{
// Create a buffer to hold the triangle chart data.
TRefCountPtr<ID3DXBuffer> MergedTriangleChartsBuffer;
VERIFYD3D9RESULT(D3DXCreateBuffer(
MergedTriangleCharts.Num() * sizeof(int32),
MergedTriangleChartsBuffer.GetInitReference()
));
uint32* MergedTriangleChartsBufferPointer = (uint32*)MergedTriangleChartsBuffer->GetBufferPointer();
for(int32 TriangleIndex = 0;TriangleIndex < MergedTriangleCharts.Num();TriangleIndex++)
{
*MergedTriangleChartsBufferPointer++ = MergedTriangleCharts[TriangleIndex];
}
const float GutterSize = 2.0f;
// Pack the charts into a unified atlas.
HRESULT Result = D3DXUVAtlasPack(
MergedMesh,
TextureResolution,
TextureResolution,
GutterSize,
TexCoordIndex,
(::DWORD *)MergedAdjacency.GetTypedData(),
NULL,
0,
NULL,
0,
MergedTriangleChartsBuffer
);
if (FAILED(Result))
{
UE_LOG(LogD3D9MeshUtils, Warning,
TEXT("D3DXUVAtlasPack() returned %u."),
Result
);
OutError = LOCTEXT("LayoutUVs_FailedPack", "LayoutUVs failed, D3DXUVAtlasPack failed.");
return false;
}
int32 NewNumTexCoords = FMath::Max<int32>(NumTexCoords, TexCoordIndex + 1);
FRawMesh FinalMesh;
if (!ConvertD3DXMeshToRawMesh(MergedMesh, FinalMesh, NewNumTexCoords))
{
OutError = LOCTEXT("LayoutUVs_FailedSimple", "LayoutUVs failed, couldn't convert the simplified D3DXMesh back to a UStaticMesh.");
return false;
}
RawMesh = FinalMesh;
}
return true;
}
static FD3D11Texture2D* D3D11CreateTexture2DAlias(
FD3D11DynamicRHI* InD3D11RHI,
ID3D11Texture2D* InResource,
ID3D11ShaderResourceView* InShaderResourceView,
uint32 InSizeX,
uint32 InSizeY,
uint32 InSizeZ,
uint32 InNumMips,
uint32 InNumSamples,
EPixelFormat InFormat,
uint32 InFlags)
{
const bool bSRGB = (InFlags & TexCreate_SRGB) != 0;
const DXGI_FORMAT PlatformResourceFormat = (DXGI_FORMAT)GPixelFormats[InFormat].PlatformFormat;
const DXGI_FORMAT PlatformShaderResourceFormat = FindShaderResourceDXGIFormat(PlatformResourceFormat, bSRGB);
const DXGI_FORMAT PlatformRenderTargetFormat = FindShaderResourceDXGIFormat(PlatformResourceFormat, bSRGB);
D3D11_RTV_DIMENSION RenderTargetViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
if (InNumSamples > 1)
{
RenderTargetViewDimension = D3D11_RTV_DIMENSION_TEXTURE2DMS;
}
TArray<TRefCountPtr<ID3D11RenderTargetView> > RenderTargetViews;
if (InFlags & TexCreate_RenderTargetable)
{
// Create a render target view for each mip
for (uint32 MipIndex = 0; MipIndex < InNumMips; MipIndex++)
{
check(!(InFlags & TexCreate_TargetArraySlicesIndependently)); // not supported
D3D11_RENDER_TARGET_VIEW_DESC RTVDesc;
FMemory::Memzero(&RTVDesc, sizeof(RTVDesc));
RTVDesc.Format = PlatformRenderTargetFormat;
RTVDesc.ViewDimension = RenderTargetViewDimension;
RTVDesc.Texture2D.MipSlice = MipIndex;
TRefCountPtr<ID3D11RenderTargetView> RenderTargetView;
VERIFYD3D11RESULT(InD3D11RHI->GetDevice()->CreateRenderTargetView(InResource, &RTVDesc, RenderTargetView.GetInitReference()));
RenderTargetViews.Add(RenderTargetView);
}
}
TRefCountPtr<ID3D11ShaderResourceView> ShaderResourceView;
// Create a shader resource view for the texture.
if (!InShaderResourceView && (InFlags & TexCreate_ShaderResource))
{
D3D11_SRV_DIMENSION ShaderResourceViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
D3D11_SHADER_RESOURCE_VIEW_DESC SRVDesc;
SRVDesc.Format = PlatformShaderResourceFormat;
SRVDesc.ViewDimension = ShaderResourceViewDimension;
SRVDesc.Texture2D.MostDetailedMip = 0;
SRVDesc.Texture2D.MipLevels = InNumMips;
VERIFYD3D11RESULT(InD3D11RHI->GetDevice()->CreateShaderResourceView(InResource, &SRVDesc, ShaderResourceView.GetInitReference()));
check(IsValidRef(ShaderResourceView));
}
else
{
ShaderResourceView = InShaderResourceView;
}
FD3D11Texture2D* NewTexture = new FD3D11Texture2D(
InD3D11RHI,
InResource,
ShaderResourceView,
false,
1,
RenderTargetViews,
/*DepthStencilViews=*/ NULL,
InSizeX,
InSizeY,
InSizeZ,
InNumMips,
InNumSamples,
InFormat,
/*bInCubemap=*/ false,
InFlags,
/*bPooledTexture=*/ false
);
return NewTexture;
}
/**
* Creates a D3DXMESH from a FStaticMeshRenderData
* @param Triangles The triangles to create the mesh from.
* @param bRemoveDegenerateTriangles True if degenerate triangles should be removed
* @param OutD3DMesh Mesh to create
* @return Boolean representing success or failure
*/
bool ConvertRawMeshToD3DXMesh(
IDirect3DDevice9* Device,
FRawMesh& RawMesh,
const bool bRemoveDegenerateTriangles,
TRefCountPtr<ID3DXMesh>& OutD3DMesh
)
{
TArray<D3DVERTEXELEMENT9> VertexElements;
GetD3D9MeshVertexDeclarations(VertexElements);
TArray<FUtilVertex> Vertices;
TArray<uint16> Indices;
TArray<uint32> Attributes;
int32 NumWedges = RawMesh.WedgeIndices.Num();
int32 NumTriangles = NumWedges / 3;
int32 NumUVs = 0;
for (; NumUVs < 8; ++NumUVs)
{
if (RawMesh.WedgeTexCoords[NumUVs].Num() != RawMesh.WedgeIndices.Num())
{
break;
}
}
bool bHaveColors = RawMesh.WedgeColors.Num() == NumWedges;
bool bHaveNormals = RawMesh.WedgeTangentZ.Num() == NumWedges;
bool bHaveTangents = bHaveNormals && RawMesh.WedgeTangentX.Num() == NumWedges
&& RawMesh.WedgeTangentY.Num() == NumWedges;
for(int32 TriangleIndex = 0;TriangleIndex < NumTriangles;TriangleIndex++)
{
bool bTriangleIsDegenerate = false;
if( bRemoveDegenerateTriangles )
{
// Detect if the triangle is degenerate.
for(int32 EdgeIndex = 0;EdgeIndex < 3;EdgeIndex++)
{
const int32 Wedge0 = TriangleIndex * 3 + EdgeIndex;
const int32 Wedge1 = TriangleIndex * 3 + ((EdgeIndex + 1) % 3);
if((RawMesh.GetWedgePosition(Wedge0) - RawMesh.GetWedgePosition(Wedge1)).IsNearlyZero(THRESH_POINTS_ARE_SAME * 4.0f))
{
bTriangleIsDegenerate = true;
break;
}
}
}
if(!bTriangleIsDegenerate)
{
Attributes.Add(RawMesh.FaceMaterialIndices[TriangleIndex]);
for(int32 J=0;J<3;J++)
{
FUtilVertex* Vertex = new(Vertices) FUtilVertex;
FMemory::Memzero(Vertex,sizeof(FUtilVertex));
int32 WedgeIndex = TriangleIndex * 3 + J;
Vertex->Position = RawMesh.GetWedgePosition(WedgeIndex);
if (bHaveColors)
{
Vertex->Color = RawMesh.WedgeColors[WedgeIndex];
}
else
{
Vertex->Color = FColor::White;
}
//store the smoothing mask per vertex since there is only one per-face attribute that is already being used (materialIndex)
Vertex->SmoothingMask = RawMesh.FaceSmoothingMasks[TriangleIndex];
if (bHaveTangents)
{
Vertex->TangentX = RawMesh.WedgeTangentX[WedgeIndex];
Vertex->TangentY = RawMesh.WedgeTangentY[WedgeIndex];
}
if (bHaveNormals)
{
Vertex->TangentZ = RawMesh.WedgeTangentZ[WedgeIndex];
}
for(int32 UVIndex = 0; UVIndex < NumUVs; UVIndex++)
{
Vertex->UVs[UVIndex] = RawMesh.WedgeTexCoords[UVIndex][WedgeIndex];
}
Indices.Add(Vertices.Num() - 1);
}
}
}
// This code uses the raw triangles. Needs welding, etc.
const int32 NumFaces = Indices.Num() / 3;
const int32 NumVertices = NumFaces*3;
check(Attributes.Num() == NumFaces);
check(NumFaces * 3 == Indices.Num());
// Create mesh for source data
if (FAILED(D3DXCreateMesh(NumFaces,NumVertices,D3DXMESH_SYSTEMMEM,(D3DVERTEXELEMENT9 *)VertexElements.GetData(),Device,OutD3DMesh.GetInitReference()) ) )
{
UE_LOG(LogD3D9MeshUtils, Warning, TEXT("D3DXCreateMesh() Failed!"));
return false;
}
// Fill D3DMesh mesh
FUtilVertex* D3DVertices;
uint16* D3DIndices;
::DWORD * D3DAttributes;
OutD3DMesh->LockVertexBuffer(0,(LPVOID*)&D3DVertices);
OutD3DMesh->LockIndexBuffer(0,(LPVOID*)&D3DIndices);
OutD3DMesh->LockAttributeBuffer(0, &D3DAttributes);
FMemory::Memcpy(D3DVertices,Vertices.GetTypedData(),Vertices.Num() * sizeof(FUtilVertex));
FMemory::Memcpy(D3DIndices,Indices.GetTypedData(),Indices.Num() * sizeof(uint16));
FMemory::Memcpy(D3DAttributes,Attributes.GetTypedData(),Attributes.Num() * sizeof(uint32));
OutD3DMesh->UnlockIndexBuffer();
OutD3DMesh->UnlockVertexBuffer();
OutD3DMesh->UnlockAttributeBuffer();
return true;
}