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 );
}
FIndexBufferRHIRef FOpenGLDynamicRHI::RHICreateIndexBuffer(uint32 Stride,uint32 Size, uint32 InUsage, FRHIResourceCreateInfo& CreateInfo)
{
VERIFY_GL_SCOPE();
const void *Data = NULL;
// If a resource array was provided for the resource, create the resource pre-populated
if(CreateInfo.ResourceArray)
{
check(Size == CreateInfo.ResourceArray->GetResourceDataSize());
Data = CreateInfo.ResourceArray->GetResourceData();
}
TRefCountPtr<FOpenGLIndexBuffer> IndexBuffer = new FOpenGLIndexBuffer(Stride, Size, InUsage, Data);
return IndexBuffer.GetReference();
}
static void CompileShader( const FString& Filename, const FString& EntryPoint, const FString& ShaderModel, TRefCountPtr<ID3DBlob>& OutBlob )
{
uint32 ShaderFlags = D3DCOMPILE_ENABLE_STRICTNESS;
#if UE_BUILD_DEBUG
ShaderFlags |= D3D10_SHADER_DEBUG;
#else
ShaderFlags |= D3DCOMPILE_OPTIMIZATION_LEVEL3;
#endif
TRefCountPtr<ID3DBlob> ErrorBlob;
HRESULT Hr = D3DX11CompileFromFile( *Filename, NULL, NULL, TCHAR_TO_ANSI(*EntryPoint), TCHAR_TO_ANSI(*ShaderModel), ShaderFlags, 0, NULL, OutBlob.GetInitReference(), ErrorBlob.GetInitReference(), NULL );
if( FAILED(Hr) )
{
if( ErrorBlob.GetReference() )
{
checkf(0, ANSI_TO_TCHAR(ErrorBlob->GetBufferPointer()));
}
}
}
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;
}
void FD3D11StateCacheBase::VerifyCacheState()
{
if (!Direct3DDeviceIMContext)
{
return;
}
// Verify Shader States
{
TRefCountPtr<ID3D11VertexShader> VertexShader;
TRefCountPtr<ID3D11HullShader> HullShader;
TRefCountPtr<ID3D11DomainShader> DomainShader;
TRefCountPtr<ID3D11GeometryShader> GeometryShader;
TRefCountPtr<ID3D11PixelShader> PixelShader;
TRefCountPtr<ID3D11ComputeShader> ComputeShader;
Direct3DDeviceIMContext->VSGetShader(VertexShader.GetInitReference(), nullptr, nullptr);
Direct3DDeviceIMContext->HSGetShader(HullShader.GetInitReference(), nullptr, nullptr);
Direct3DDeviceIMContext->DSGetShader(DomainShader.GetInitReference(), nullptr, nullptr);
Direct3DDeviceIMContext->GSGetShader(GeometryShader.GetInitReference(), nullptr, nullptr);
Direct3DDeviceIMContext->PSGetShader(PixelShader.GetInitReference(), nullptr, nullptr);
Direct3DDeviceIMContext->CSGetShader(ComputeShader.GetInitReference(), nullptr, nullptr);
check(VertexShader.GetReference() == CurrentVertexShader);
check(HullShader.GetReference() == CurrentHullShader);
check(DomainShader.GetReference() == CurrentDomainShader);
check(GeometryShader.GetReference() == CurrentGeometryShader);
check(PixelShader.GetReference() == CurrentPixelShader);
check(ComputeShader.GetReference() == CurrentComputeShader);
}
// Verify Depth Stencil State
{
TRefCountPtr<ID3D11DepthStencilState> DepthStencilState;
uint32 StencilRef;
Direct3DDeviceIMContext->OMGetDepthStencilState(DepthStencilState.GetInitReference(), &StencilRef);
check(DepthStencilState.GetReference() == CurrentDepthStencilState);
check(StencilRef == CurrentReferenceStencil);
}
// Verify Rasterizer State
{
TRefCountPtr<ID3D11RasterizerState> RasterizerState;
Direct3DDeviceIMContext->RSGetState(RasterizerState.GetInitReference());
check(RasterizerState.GetReference() == CurrentRasterizerState);
}
// Verify Blend State
{
TRefCountPtr<ID3D11BlendState> BlendState;
float BlendFactor[4];
uint32 SampleMask;
Direct3DDeviceIMContext->OMGetBlendState(BlendState.GetInitReference(), BlendFactor, &SampleMask);
check(BlendState.GetReference() == CurrentBlendState);
check(FMemory::Memcmp(BlendFactor, CurrentBlendFactor, sizeof(CurrentBlendFactor)) == 0);
check(SampleMask == CurrentBlendSampleMask);
}
// Verify Viewport state
{
D3D11_VIEWPORT vp[D3D11_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE];
uint32 numVP = CurrentNumberOfViewports;
Direct3DDeviceIMContext->RSGetViewports(&numVP,&vp[0]);
check(numVP == CurrentNumberOfViewports);
check( FMemory::Memcmp( &vp, &CurrentViewport[0],sizeof(D3D11_VIEWPORT) * CurrentNumberOfViewports) ==0);
}
// Verify Input Layout
{
TRefCountPtr<ID3D11InputLayout> InputLayout;
Direct3DDeviceIMContext->IAGetInputLayout(InputLayout.GetInitReference());
check(InputLayout.GetReference() == CurrentInputLayout);
}
// Verify Sampler States
{
VerifySamplerStates<SF_Vertex>();
VerifySamplerStates<SF_Hull>();
VerifySamplerStates<SF_Domain>();
VerifySamplerStates<SF_Geometry>();
VerifySamplerStates<SF_Pixel>();
VerifySamplerStates<SF_Compute>();
}
// Verify Vertex Buffers
{
ID3D11Buffer* VertexBuffers[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT];
uint32 Strides[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT];
uint32 Offsets[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT];
Direct3DDeviceIMContext->IAGetVertexBuffers(0, D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT, VertexBuffers, Strides, Offsets);
for (uint32 Index = 0; Index < D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT; Index++)
{
check(VertexBuffers[Index] == CurrentVertexBuffers[Index].VertexBuffer);
check(Strides[Index] == CurrentVertexBuffers[Index].Stride);
check(Offsets[Index] == CurrentVertexBuffers[Index].Offset);
if (VertexBuffers[Index])
{
VertexBuffers[Index]->Release();
}
}
}
// Verify Index Buffer
{
TRefCountPtr<ID3D11Buffer> IndexBuffer;
DXGI_FORMAT Format;
uint32 Offset;
Direct3DDeviceIMContext->IAGetIndexBuffer(IndexBuffer.GetInitReference(), &Format, &Offset);
check(IndexBuffer.GetReference() == CurrentIndexBuffer);
check(Format == CurrentIndexFormat);
check(Offset == CurrentIndexOffset);
}
// Verify Primitive Topology
{
D3D11_PRIMITIVE_TOPOLOGY PrimitiveTopology;
Direct3DDeviceIMContext->IAGetPrimitiveTopology(&PrimitiveTopology);
check(PrimitiveTopology == CurrentPrimitiveTopology);
}
// Verify Constant Buffers
{
((FD3D11StateCache*)this)->VerifyConstantBuffers<SF_Vertex>();
((FD3D11StateCache*)this)->VerifyConstantBuffers<SF_Hull>();
((FD3D11StateCache*)this)->VerifyConstantBuffers<SF_Domain>();
((FD3D11StateCache*)this)->VerifyConstantBuffers<SF_Geometry>();
((FD3D11StateCache*)this)->VerifyConstantBuffers<SF_Pixel>();
((FD3D11StateCache*)this)->VerifyConstantBuffers<SF_Compute>();
}
// Verify Shader Resource Views
{
VerifyShaderResourceViews<SF_Vertex>();
VerifyShaderResourceViews<SF_Hull>();
VerifyShaderResourceViews<SF_Domain>();
VerifyShaderResourceViews<SF_Geometry>();
VerifyShaderResourceViews<SF_Pixel>();
VerifyShaderResourceViews<SF_Compute>();
}
}