void Device::SetRenderTarget( const Texture3D& _Target, const Texture2D* _pDepthStencil, const D3D11_VIEWPORT* _pViewport )
{
ID3D11RenderTargetView* pTargetView = _Target.GetRTV( 0, 0, 0 );
ID3D11DepthStencilView* pDepthStencilView = _pDepthStencil != NULL ? _pDepthStencil->GetDSV() : NULL;
SetRenderTargets( _Target.GetWidth(), _Target.GetHeight(), 1, &pTargetView, pDepthStencilView, _pViewport );
}
void D3DContext::Resize()
{
uint width = m_Properties.width;
uint height = m_Properties.height;
ReleaseCOM(m_RenderTargetView);
ReleaseCOM(m_DepthStencilView);
ReleaseCOM(m_DepthStencilBuffer);
swapchain->ResizeBuffers(1, width, height, DXGI_FORMAT_R8G8B8A8_UNORM, 0);
ID3D11Texture2D *backBuffer;
swapchain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&backBuffer);
dev->CreateRenderTargetView(backBuffer, NULL, &m_RenderTargetView);
backBuffer->Release();
D3D11_TEXTURE2D_DESC depthStencilDesc;
depthStencilDesc.Width = width;
depthStencilDesc.Height = height;
depthStencilDesc.MipLevels = 1;
depthStencilDesc.ArraySize = 1;
depthStencilDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
depthStencilDesc.SampleDesc.Count = m_MSAAEnabled ? 4 : 1;
depthStencilDesc.SampleDesc.Quality = m_MSAAEnabled ? (m_MSAAQuality - 1) : 0;
depthStencilDesc.Usage = D3D11_USAGE_DEFAULT;
depthStencilDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
depthStencilDesc.CPUAccessFlags = 0;
depthStencilDesc.MiscFlags = 0;
dev->CreateTexture2D(&depthStencilDesc, 0, &m_DepthStencilBuffer);
dev->CreateDepthStencilView(m_DepthStencilBuffer, 0, &m_DepthStencilView);
SetRenderTargets(m_RenderTargetView, m_DepthStencilView);
m_ScreenViewport.TopLeftX = 0;
m_ScreenViewport.TopLeftY = 0;
m_ScreenViewport.Width = (float)width;
m_ScreenViewport.Height = (float)height;
m_ScreenViewport.MinDepth = 0.0f;
m_ScreenViewport.MaxDepth = 1.0f;
devcon->RSSetViewports(1, &m_ScreenViewport);
D3D11_RASTERIZER_DESC rasterDesc;
rasterDesc.AntialiasedLineEnable = false;
rasterDesc.CullMode = D3D11_CULL_NONE;
rasterDesc.DepthBias = 0;
rasterDesc.DepthBiasClamp = 0.0f;
rasterDesc.DepthClipEnable = true;
rasterDesc.FillMode = D3D11_FILL_SOLID;
rasterDesc.FrontCounterClockwise = true;
rasterDesc.MultisampleEnable = false;
rasterDesc.ScissorEnable = false;
rasterDesc.SlopeScaledDepthBias = 0.0f;
ID3D11RasterizerState* rs;
dev->CreateRasterizerState(&rasterDesc, &rs);
devcon->RSSetState(rs);
ReleaseCOM(rs);
}
void RenderToVolumeTexture(const Ptr<Texture> & volumeTexture)
{
auto rc = Global::GetRenderEngine()->GetRenderContext();
auto & quadVBs = GetQuadVBs();
auto & quadIB = GetQuadIB();
RenderViewport vp;
vp.topLeftX = 0.0f;
vp.topLeftY = 0.0f;
vp.width = static_cast<float>(volumeTexture->GetDesc().width);
vp.height = static_cast<float>(volumeTexture->GetDesc().height);
vp.minDepth = 0.0f;
vp.maxDepth = 1.0f;
rc->SetViewport(vp);
float2 uvMap[4];
uvMap[0] = float2(0.0f, 0.0f);
uvMap[1] = float2(1.0f, 0.0f);
uvMap[2] = float2(0.0f, 1.0f);
uvMap[3] = float2(1.0f, 1.0f);
auto uvBufMappedData = quadVBs[1]->Map(MAP_WRITE_DISCARD);
memcpy(uvBufMappedData.pData, uvMap, sizeof(float2) * 4);
quadVBs[1]->UnMap();
// Set vbs, ib
rc->SetVertexBuffer(quadVBs);
rc->SetIndexBuffer(quadIB);
rc->SetPrimitiveTopology(PRIMITIVE_TOPOLOGY_TRIANGLELIST);
// Set rtv
rc->SetRenderTargets({ volumeTexture->GetRenderTargetView(0, 0, volumeTexture->GetDesc().depth) });
// Set dsv
rc->SetDepthStencilState(DepthStencilStateTemplate<false>::Get());
// Bind shader
auto vs = Shader::FindOrCreate<RenderToVolumeTextureVS>();
auto gs = Shader::FindOrCreate<RenderToVolumeTextureGS>();
vs->Flush();
gs->Flush();
// Draw
rc->DrawIndexedInstanced(quadIB->GetDesc().numElements, volumeTexture->GetDesc().depth, 0, 0, 0);
rc->SetDepthStencilState(nullptr);
rc->ResetShader(SHADER_GS);
}
void TextureFilter(
const Ptr<ShaderResourceView> & src,
const Ptr<RenderTargetView> & dst,
const std::vector<float2> & uvOffsets,
const std::vector<float> & weights,
const Ptr<class Sampler> & sampler)
{
ToyGE_ASSERT(uvOffsets.size() == weights.size());
ToyGE_ASSERT(src);
ToyGE_ASSERT(dst);
int32_t numSamples = (int32_t)uvOffsets.size();
if (numSamples <= 0)
return;
auto rc = Global::GetRenderEngine()->GetRenderContext();
rc->SetViewport(GetTextureQuadViewport(dst->GetResource()->Cast<Texture>()));
auto filterVS = Shader::FindOrCreate<FilterVS>({ { "NUM_SAMPLES", std::to_string(numSamples) } });
auto filterPS = Shader::FindOrCreate<FilterPS>({ { "NUM_SAMPLES", std::to_string(numSamples) } });
filterVS->SetScalar("samplesOffsets", &uvOffsets[0], (int32_t)(sizeof(uvOffsets[0]) * uvOffsets.size()));
filterVS->Flush();
filterPS->SetScalar("samplesWeights", &weights[0], (int32_t)(sizeof(weights[0]) * weights.size()));
filterPS->SetSRV("filterTex", src);
filterPS->SetSampler("filterSampler", sampler ? sampler : SamplerTemplate<>::Get());
filterPS->Flush();
rc->SetRenderTargets({ dst });
rc->SetDepthStencil(nullptr);
rc->SetDepthStencilState(DepthStencilStateTemplate<false>::Get());
rc->SetVertexBuffer({ GetQuadVBs()[0] });
rc->SetIndexBuffer(GetQuadIB());
rc->SetPrimitiveTopology(PRIMITIVE_TOPOLOGY_TRIANGLELIST);
rc->DrawIndexed(0, 0);
}
void SkyBox::Render(const Ptr<RenderTargetView> & target, const Ptr<DepthStencilView> & dsv, const Ptr<RenderView> & view)
{
if (!_tex)
return;
auto rc = Global::GetRenderEngine()->GetRenderContext();
auto translationMat = translation(view->GetCamera()->GetPos());
auto transformMat = mul(translationMat, view->GetCamera()->GetViewProjMatrix());
auto vs = Shader::FindOrCreate<SkyBoxVS>();
auto ps = Shader::FindOrCreate<SkyBoxPS>();
vs->SetScalar("transform", transformMat);
ps->SetSRV("skyBoxTex", _tex->GetShaderResourceView(0, 0, 0, 0, true));
ps->SetSampler("linearSampler", SamplerTemplate<>::Get());
vs->Flush();
ps->Flush();
rc->SetViewport(GetTextureQuadViewport(target->GetResource()->Cast<Texture>()));
rc->SetRenderTargets({ target });
rc->SetDepthStencil(dsv);
rc->SetRasterizerState(RasterizerStateTemplate<FILL_SOLID, CULL_NONE>::Get());
rc->SetDepthStencilState(DepthStencilStateTemplate<true, DEPTH_WRITE_ZERO, COMPARISON_LESS_EQUAL>::Get());
rc->SetVertexBuffer(_sphereMesh->GetRenderData()->GetMeshElements()[0]->GetVertexBuffer());
rc->SetIndexBuffer(_sphereMesh->GetRenderData()->GetMeshElements()[0]->GetIndexBuffer());
rc->SetPrimitiveTopology(PRIMITIVE_TOPOLOGY_TRIANGLELIST);
rc->DrawIndexed(0, 0);
rc->SetRasterizerState(nullptr);
rc->SetDepthStencilState(nullptr);
}
void FRCPassPostProcessDOFSetup::Process(FRenderingCompositePassContext& Context)
{
SCOPED_DRAW_EVENT(Context.RHICmdList, DOFSetup);
const FPooledRenderTargetDesc* InputDesc = GetInputDesc(ePId_Input0);
if(!InputDesc)
{
// input is not hooked up correctly
return;
}
uint32 NumRenderTargets = bNearBlurEnabled ? 2 : 1;
const FSceneView& View = Context.View;
const FSceneViewFamily& ViewFamily = *(View.Family);
const auto FeatureLevel = Context.GetFeatureLevel();
auto ShaderMap = Context.GetShaderMap();
FIntPoint SrcSize = InputDesc->Extent;
FIntPoint DestSize = PassOutputs[0].RenderTargetDesc.Extent;
// e.g. 4 means the input texture is 4x smaller than the buffer size
uint32 ScaleFactor = FSceneRenderTargets::Get(Context.RHICmdList).GetBufferSizeXY().X / SrcSize.X;
FIntRect SrcRect = View.ViewRect / ScaleFactor;
FIntRect DestRect = SrcRect / 2;
const FSceneRenderTargetItem& DestRenderTarget0 = PassOutputs[0].RequestSurface(Context);
const FSceneRenderTargetItem& DestRenderTarget1 = bNearBlurEnabled ? PassOutputs[1].RequestSurface(Context) : FSceneRenderTargetItem();
// Set the view family's render target/viewport.
FTextureRHIParamRef RenderTargets[2] =
{
DestRenderTarget0.TargetableTexture,
DestRenderTarget1.TargetableTexture
};
SetRenderTargets(Context.RHICmdList, NumRenderTargets, RenderTargets, FTextureRHIParamRef(), 0, NULL);
FLinearColor ClearColors[2] =
{
FLinearColor(0, 0, 0, 0),
FLinearColor(0, 0, 0, 0)
};
// is optimized away if possible (RT size=view size, )
Context.RHICmdList.ClearMRT(true, NumRenderTargets, ClearColors, false, 1.0f, false, 0, DestRect);
Context.SetViewportAndCallRHI(0, 0, 0.0f, DestSize.X, DestSize.Y, 1.0f );
// set the state
Context.RHICmdList.SetBlendState(TStaticBlendState<>::GetRHI());
Context.RHICmdList.SetRasterizerState(TStaticRasterizerState<>::GetRHI());
Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false, CF_Always>::GetRHI());
TShaderMapRef<FPostProcessVS> VertexShader(ShaderMap);
if (bNearBlurEnabled)
{
static FGlobalBoundShaderState BoundShaderState;
TShaderMapRef< FPostProcessDOFSetupPS<1> > PixelShader(ShaderMap);
SetGlobalBoundShaderState(Context.RHICmdList, FeatureLevel, BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
PixelShader->SetParameters(Context);
}
else
{
static FGlobalBoundShaderState BoundShaderState;
TShaderMapRef< FPostProcessDOFSetupPS<0> > PixelShader(ShaderMap);
SetGlobalBoundShaderState(Context.RHICmdList, FeatureLevel, BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
PixelShader->SetParameters(Context);
}
VertexShader->SetParameters(Context);
DrawPostProcessPass(
Context.RHICmdList,
DestRect.Min.X, DestRect.Min.Y,
DestRect.Width() + 1, DestRect.Height() + 1,
SrcRect.Min.X, SrcRect.Min.Y,
SrcRect.Width() + 1, SrcRect.Height() + 1,
DestSize,
SrcSize,
*VertexShader,
View.StereoPass,
Context.HasHmdMesh(),
EDRF_UseTriangleOptimization);
Context.RHICmdList.CopyToResolveTarget(DestRenderTarget0.TargetableTexture, DestRenderTarget0.ShaderResourceTexture, false, FResolveParams());
Context.RHICmdList.CopyToResolveTarget(DestRenderTarget1.TargetableTexture, DestRenderTarget1.ShaderResourceTexture, false, FResolveParams());
}
void FRCPassPostProcessLpvIndirect::Process(FRenderingCompositePassContext& Context)
{
SCOPED_DRAW_EVENT(Context.RHICmdList, PostProcessLpvIndirect);
{
FRenderingCompositeOutput* OutputOfMyInput = GetInput(ePId_Input0)->GetOutput();
PassOutputs[0].PooledRenderTarget = OutputOfMyInput->PooledRenderTarget;
OutputOfMyInput->RenderTargetDesc.DebugName = PassOutputs[0].RenderTargetDesc.DebugName;
PassOutputs[0].RenderTargetDesc = OutputOfMyInput->RenderTargetDesc;
check(PassOutputs[0].RenderTargetDesc.Extent.X);
check(PassOutputs[0].RenderTargetDesc.Extent.Y);
}
const FPostProcessSettings& PostprocessSettings = Context.View.FinalPostProcessSettings;
const FSceneView& View = Context.View;
const FSceneViewFamily& ViewFamily = *(View.Family);
FIntRect SrcRect = View.ViewRect;
// todo: view size should scale with input texture size so we can do SSAO in half resolution as well
FIntRect DestRect = View.ViewRect;
FIntPoint DestSize = DestRect.Size();
uint32 NumReflectionCaptures = ViewFamily.Scene->GetRenderScene()->ReflectionSceneData.RegisteredReflectionCaptures.Num();
const FSceneRenderTargetItem& DestColorRenderTarget = GSceneRenderTargets.GetSceneColor()->GetRenderTargetItem();
// Set the view family's render target/viewport.
FTextureRHIParamRef RenderTargets[] =
{
DestColorRenderTarget.TargetableTexture,
};
// Set the view family's render target/viewport.
SetRenderTargets(Context.RHICmdList, 1, RenderTargets, GSceneRenderTargets.GetSceneDepthSurface(), 0, NULL);
Context.SetViewportAndCallRHI(View.ViewRect);
// set the state
if ( ViewFamily.EngineShowFlags.LpvLightingOnly )
{
Context.RHICmdList.SetBlendState(TStaticBlendState<>::GetRHI());
}
else
{
// additive blending
Context.RHICmdList.SetBlendState(TStaticBlendState<CW_RGB, BO_Add, BF_One, BF_One>::GetRHI());
}
Context.RHICmdList.SetRasterizerState(TStaticRasterizerState<>::GetRHI());
Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false, CF_Always>::GetRHI());
TShaderMapRef<FPostProcessVS> VertexShader(Context.GetShaderMap());
FSceneViewState* ViewState = (FSceneViewState*)View.State;
FLightPropagationVolume* Lpv = NULL;
bool bUseLpv = false;
if ( ViewState )
{
Lpv = ViewState->GetLightPropagationVolume();
bUseLpv = Lpv && PostprocessSettings.LPVIntensity > 0.0f;
}
if ( !bUseLpv )
{
return;
}
TShaderMapRef<FPostProcessLpvIndirectPS> PixelShader(Context.GetShaderMap());
static FGlobalBoundShaderState BoundShaderState;
// call it once after setting up the shader data to avoid the warnings in the function
SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
FLpvReadUniformBufferParameters LpvReadUniformBufferParams;
FLpvReadUniformBufferRef LpvReadUniformBuffer;
LpvReadUniformBufferParams = Lpv->GetReadUniformBufferParams();
LpvReadUniformBuffer = FLpvReadUniformBufferRef::CreateUniformBufferImmediate( LpvReadUniformBufferParams, UniformBuffer_SingleDraw );
#if LPV_VOLUME_TEXTURE
FTextureRHIParamRef LpvBufferSrvs[7];
for ( int i = 0; i < 7; i++ )
{
LpvBufferSrvs[i] = Lpv->GetLpvBufferSrv(i);
}
PixelShader->SetParameters(LpvBufferSrvs, LpvReadUniformBuffer, Context);
#else
FShaderResourceViewRHIParamRef LpvBufferSrv = Lpv->GetLpvBufferSrv();
PixelShader->SetParameters(LpvBufferSrv, LpvReadUniformBuffer, Context);
#endif
// Draw a quad mapping scene color to the view's render target
DrawRectangle(
Context.RHICmdList,
0, 0,
View.ViewRect.Width(), View.ViewRect.Height(),
View.ViewRect.Min.X, View.ViewRect.Min.Y,
View.ViewRect.Width(), View.ViewRect.Height(),
View.ViewRect.Size(),
GSceneRenderTargets.GetBufferSizeXY(),
*VertexShader);
Context.RHICmdList.CopyToResolveTarget(DestColorRenderTarget.TargetableTexture, DestColorRenderTarget.ShaderResourceTexture, false, FResolveParams());
}
void FRCPassPostProcessDeferredDecals::Process(FRenderingCompositePassContext& Context)
{
FRHICommandListImmediate& RHICmdList = Context.RHICmdList;
FSceneRenderTargets& SceneContext = FSceneRenderTargets::Get(RHICmdList);
const bool bShaderComplexity = Context.View.Family->EngineShowFlags.ShaderComplexity;
const bool bDBuffer = IsDBufferEnabled();
const bool bStencilSizeThreshold = CVarStencilSizeThreshold.GetValueOnRenderThread() >= 0;
SCOPED_DRAW_EVENT(RHICmdList, PostProcessDeferredDecals);
enum EDecalResolveBufferIndex
{
SceneColorIndex,
GBufferAIndex,
GBufferBIndex,
GBufferCIndex,
DBufferAIndex,
DBufferBIndex,
DBufferCIndex,
ResolveBufferMax,
};
FTextureRHIParamRef TargetsToResolve[ResolveBufferMax] = { nullptr };
if(DecalRenderStage == DRS_BeforeBasePass)
{
// before BasePass, only if DBuffer is enabled
check(bDBuffer);
// DBuffer: Decal buffer
FPooledRenderTargetDesc Desc(FPooledRenderTargetDesc::Create2DDesc(SceneContext.GBufferA->GetDesc().Extent,
PF_B8G8R8A8,
FClearValueBinding::None,
TexCreate_None,
TexCreate_ShaderResource | TexCreate_RenderTargetable,
false));
if(!SceneContext.DBufferA)
{
Desc.ClearValue = FClearValueBinding::Black;
GRenderTargetPool.FindFreeElement(Desc, SceneContext.DBufferA, TEXT("DBufferA"));
}
if(!SceneContext.DBufferB)
{
Desc.ClearValue = FClearValueBinding(FLinearColor(128.0f / 255.0f, 128.0f / 255.0f, 128.0f / 255.0f, 1));
GRenderTargetPool.FindFreeElement(Desc, SceneContext.DBufferB, TEXT("DBufferB"));
}
Desc.Format = PF_R8G8;
if(!SceneContext.DBufferC)
{
Desc.ClearValue = FClearValueBinding(FLinearColor(0, 1, 0, 1));
GRenderTargetPool.FindFreeElement(Desc, SceneContext.DBufferC, TEXT("DBufferC"));
}
// we assume views are non overlapping, then we need to clear only once in the beginning, otherwise we would need to set scissor rects
// and don't get FastClear any more.
bool bFirstView = Context.View.Family->Views[0] == &Context.View;
if(bFirstView)
{
SCOPED_DRAW_EVENT(RHICmdList, DBufferClear);
FRHIRenderTargetView RenderTargets[3];
RenderTargets[0] = FRHIRenderTargetView(SceneContext.DBufferA->GetRenderTargetItem().TargetableTexture, 0, -1, ERenderTargetLoadAction::EClear, ERenderTargetStoreAction::EStore);
RenderTargets[1] = FRHIRenderTargetView(SceneContext.DBufferB->GetRenderTargetItem().TargetableTexture, 0, -1, ERenderTargetLoadAction::EClear, ERenderTargetStoreAction::EStore);
RenderTargets[2] = FRHIRenderTargetView(SceneContext.DBufferC->GetRenderTargetItem().TargetableTexture, 0, -1, ERenderTargetLoadAction::EClear, ERenderTargetStoreAction::EStore);
FRHIDepthRenderTargetView DepthView(SceneContext.GetSceneDepthSurface(), ERenderTargetLoadAction::ELoad, ERenderTargetStoreAction::ENoAction, ERenderTargetLoadAction::ELoad, ERenderTargetStoreAction::ENoAction, FExclusiveDepthStencil(FExclusiveDepthStencil::DepthRead_StencilWrite));
FRHISetRenderTargetsInfo Info(3, RenderTargets, DepthView);
RHICmdList.SetRenderTargetsAndClear(Info);
TargetsToResolve[DBufferAIndex] = SceneContext.DBufferA->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[DBufferBIndex] = SceneContext.DBufferB->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[DBufferCIndex] = SceneContext.DBufferC->GetRenderTargetItem().TargetableTexture;
}
}
// this cast is safe as only the dedicated server implements this differently and this pass should not be executed on the dedicated server
const FViewInfo& View = Context.View;
const FSceneViewFamily& ViewFamily = *(View.Family);
FScene& Scene = *(FScene*)ViewFamily.Scene;
//don't early return. Resolves must be run for fast clears to work.
bool bRenderDecal = Scene.Decals.Num() && ViewFamily.EngineShowFlags.Decals;
if (bRenderDecal)
{
// Build a list of decals that need to be rendered for this view
FTransientDecalRenderDataList SortedDecals;
FDecalRendering::BuildVisibleDecalList(Scene, View, DecalRenderStage, SortedDecals);
if (SortedDecals.Num() > 0)
{
FIntRect SrcRect = View.ViewRect;
FIntRect DestRect = View.ViewRect;
bool bStencilDecalsInThisStage = true;
#if DBUFFER_DONT_USE_STENCIL_YET
if (DecalRenderStage != DRS_BeforeLighting)
{
bStencilDecalsInThisStage = false;
}
#endif
// Setup a stencil mask to prevent certain pixels from receiving deferred decals
if (bStencilDecalsInThisStage)
{
StencilDecalMask(RHICmdList, View, Context.HasHmdMesh());
}
// optimization to have less state changes
EDecalRasterizerState LastDecalRasterizerState = DRS_Undefined;
FDecalDepthState LastDecalDepthState;
int32 LastDecalBlendMode = -1;
int32 LastDecalHasNormal = -1; // Decal state can change based on its normal property.(SM5)
FDecalRendering::ERenderTargetMode LastRenderTargetMode = FDecalRendering::RTM_Unknown;
const ERHIFeatureLevel::Type SMFeatureLevel = Context.GetFeatureLevel();
SCOPED_DRAW_EVENT(RHICmdList, Decals);
INC_DWORD_STAT_BY(STAT_Decals, SortedDecals.Num());
for (int32 DecalIndex = 0, DecalCount = SortedDecals.Num(); DecalIndex < DecalCount; DecalIndex++)
{
const FTransientDecalRenderData& DecalData = SortedDecals[DecalIndex];
const FDeferredDecalProxy& DecalProxy = *DecalData.DecalProxy;
const FMatrix ComponentToWorldMatrix = DecalProxy.ComponentTrans.ToMatrixWithScale();
const FMatrix FrustumComponentToClip = FDecalRendering::ComputeComponentToClipMatrix(View, ComponentToWorldMatrix);
EDecalBlendMode DecalBlendMode = DecalData.DecalBlendMode;
bool bStencilThisDecal = bStencilDecalsInThisStage;
#if DBUFFER_DONT_USE_STENCIL_YET
if (FDecalRendering::ComputeRenderStage(View.GetShaderPlatform(), DecalBlendMode) != DRS_BeforeLighting)
{
bStencilThisDecal = false;
}
#endif
FDecalRendering::ERenderTargetMode CurrentRenderTargetMode = FDecalRendering::ComputeRenderTargetMode(View.GetShaderPlatform(), DecalBlendMode);
if (bShaderComplexity)
{
CurrentRenderTargetMode = FDecalRendering::RTM_SceneColor;
// we want additive blending for the ShaderComplexity mode
DecalBlendMode = DBM_Emissive;
}
// fewer rendertarget switches if possible
if (CurrentRenderTargetMode != LastRenderTargetMode)
{
LastRenderTargetMode = CurrentRenderTargetMode;
switch (CurrentRenderTargetMode)
{
case FDecalRendering::RTM_SceneColorAndGBuffer:
{
TargetsToResolve[SceneColorIndex] = SceneContext.GetSceneColor()->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[GBufferAIndex] = SceneContext.GBufferA->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[GBufferBIndex] = SceneContext.GBufferB->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[GBufferCIndex] = SceneContext.GBufferC->GetRenderTargetItem().TargetableTexture;
SetRenderTargets(RHICmdList, 4, TargetsToResolve, SceneContext.GetSceneDepthSurface(), ESimpleRenderTargetMode::EExistingColorAndDepth, FExclusiveDepthStencil::DepthRead_StencilWrite);
}
break;
case FDecalRendering::RTM_SceneColorAndGBufferDepthWrite:
{
TargetsToResolve[SceneColorIndex] = SceneContext.GetSceneColor()->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[GBufferAIndex] = SceneContext.GBufferA->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[GBufferBIndex] = SceneContext.GBufferB->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[GBufferCIndex] = SceneContext.GBufferC->GetRenderTargetItem().TargetableTexture;
SetRenderTargets(RHICmdList, 4, TargetsToResolve, SceneContext.GetSceneDepthSurface(), ESimpleRenderTargetMode::EExistingColorAndDepth, FExclusiveDepthStencil::DepthWrite_StencilWrite);
}
break;
case FDecalRendering::RTM_GBufferNormal:
TargetsToResolve[GBufferAIndex] = SceneContext.GBufferA->GetRenderTargetItem().TargetableTexture;
SetRenderTarget(RHICmdList, TargetsToResolve[GBufferAIndex], SceneContext.GetSceneDepthSurface(), ESimpleRenderTargetMode::EExistingColorAndDepth, FExclusiveDepthStencil::DepthRead_StencilWrite);
break;
case FDecalRendering::RTM_SceneColor:
TargetsToResolve[SceneColorIndex] = SceneContext.GetSceneColor()->GetRenderTargetItem().TargetableTexture;
SetRenderTarget(RHICmdList, TargetsToResolve[SceneColorIndex], SceneContext.GetSceneDepthSurface(), ESimpleRenderTargetMode::EExistingColorAndDepth, FExclusiveDepthStencil::DepthRead_StencilWrite);
break;
case FDecalRendering::RTM_DBuffer:
{
TargetsToResolve[DBufferAIndex] = SceneContext.DBufferA->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[DBufferBIndex] = SceneContext.DBufferB->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[DBufferCIndex] = SceneContext.DBufferC->GetRenderTargetItem().TargetableTexture;
SetRenderTargets(RHICmdList, 3, &TargetsToResolve[DBufferAIndex], SceneContext.GetSceneDepthSurface(), ESimpleRenderTargetMode::EExistingColorAndDepth, FExclusiveDepthStencil::DepthRead_StencilWrite);
}
break;
default:
check(0);
break;
}
Context.SetViewportAndCallRHI(DestRect);
// we need to reset the stream source after any call to SetRenderTarget (at least for Metal, which doesn't queue up VB assignments)
RHICmdList.SetStreamSource(0, GetUnitCubeVertexBuffer(), sizeof(FVector4), 0);
}
bool bThisDecalUsesStencil = false;
if (bStencilThisDecal)
{
if (bStencilSizeThreshold)
{
// note this is after a SetStreamSource (in if CurrentRenderTargetMode != LastRenderTargetMode) call as it needs to get the VB input
bThisDecalUsesStencil = RenderPreStencil(Context, ComponentToWorldMatrix, FrustumComponentToClip);
LastDecalRasterizerState = DRS_Undefined;
LastDecalDepthState = FDecalDepthState();
LastDecalBlendMode = -1;
}
}
const bool bBlendStateChange = DecalBlendMode != LastDecalBlendMode;// Has decal mode changed.
const bool bDecalNormalChanged = GSupportsSeparateRenderTargetBlendState && // has normal changed for SM5 stain/translucent decals?
(DecalBlendMode == DBM_Translucent || DecalBlendMode == DBM_Stain) &&
(int32)DecalData.bHasNormal != LastDecalHasNormal;
// fewer blend state changes if possible
if (bBlendStateChange || bDecalNormalChanged)
{
LastDecalBlendMode = DecalBlendMode;
LastDecalHasNormal = (int32)DecalData.bHasNormal;
SetDecalBlendState(RHICmdList, SMFeatureLevel, DecalRenderStage, (EDecalBlendMode)LastDecalBlendMode, DecalData.bHasNormal);
}
// todo
const float ConservativeRadius = DecalData.ConservativeRadius;
// const int32 IsInsideDecal = ((FVector)View.ViewMatrices.ViewOrigin - ComponentToWorldMatrix.GetOrigin()).SizeSquared() < FMath::Square(ConservativeRadius * 1.05f + View.NearClippingDistance * 2.0f) + ( bThisDecalUsesStencil ) ? 2 : 0;
const bool bInsideDecal = ((FVector)View.ViewMatrices.ViewOrigin - ComponentToWorldMatrix.GetOrigin()).SizeSquared() < FMath::Square(ConservativeRadius * 1.05f + View.NearClippingDistance * 2.0f);
// const bool bInsideDecal = !(IsInsideDecal & 1);
// update rasterizer state if needed
{
EDecalRasterizerState DecalRasterizerState = ComputeDecalRasterizerState(bInsideDecal, View);
if (LastDecalRasterizerState != DecalRasterizerState)
{
LastDecalRasterizerState = DecalRasterizerState;
SetDecalRasterizerState(DecalRasterizerState, RHICmdList);
}
}
// update DepthStencil state if needed
{
FDecalDepthState DecalDepthState = ComputeDecalDepthState(DecalBlendMode, bInsideDecal, bStencilDecalsInThisStage, bThisDecalUsesStencil);
if (LastDecalDepthState != DecalDepthState)
{
LastDecalDepthState = DecalDepthState;
SetDecalDepthState(DecalDepthState, RHICmdList);
}
}
FDecalRendering::SetShader(RHICmdList, View, bShaderComplexity, DecalData, FrustumComponentToClip);
RHICmdList.DrawIndexedPrimitive(GetUnitCubeIndexBuffer(), PT_TriangleList, 0, 0, 8, 0, ARRAY_COUNT(GCubeIndices) / 3, 1);
}
// we don't modify stencil but if out input was having stencil for us (after base pass - we need to clear)
// Clear stencil to 0, which is the assumed default by other passes
RHICmdList.Clear(false, FLinearColor::White, false, (float)ERHIZBuffer::FarPlane, true, 0, FIntRect());
if (DecalRenderStage == DRS_BeforeBasePass)
{
// before BasePass
GRenderTargetPool.VisualizeTexture.SetCheckPoint(RHICmdList, SceneContext.DBufferA);
GRenderTargetPool.VisualizeTexture.SetCheckPoint(RHICmdList, SceneContext.DBufferB);
GRenderTargetPool.VisualizeTexture.SetCheckPoint(RHICmdList, SceneContext.DBufferC);
}
}
}
// resolve the targets we wrote to.
FResolveParams ResolveParams;
for (int32 i = 0; i < ResolveBufferMax; ++i)
{
if (TargetsToResolve[i])
{
RHICmdList.CopyToResolveTarget(TargetsToResolve[i], TargetsToResolve[i], true, ResolveParams);
}
}
}
void DrawQuad(
const std::vector< Ptr<class RenderTargetView> > & rtvs,
float topLeftX,
float topLeftY,
float width,
float height,
float topLeftU,
float topLeftV,
float uvWidth,
float uvHeight,
const Ptr<class DepthStencilView> & dsv)
{
/*if (rtvs.size() == 0)
return;*/
auto & quadVBs = GetQuadVBs();
auto & quadIB = GetQuadIB();
auto rc = Global::GetRenderEngine()->GetRenderContext();
// Viewport
if (width == 0.0f)
{
if (rtvs.size() > 0)
{
auto tex = rtvs[0]->GetResource()->Cast<Texture>();
auto & mipSize = tex->GetMipSize(rtvs[0]->Cast<TextureRenderTargetView>()->mipLevel);
width = (float)mipSize.x();
}
else if (dsv)
{
auto tex = dsv->GetResource()->Cast<Texture>();
auto & mipSize = tex->GetMipSize(dsv->Cast<TextureDepthStencilView>()->mipLevel);
width = (float)mipSize.x();
}
}
if (height == 0.0f)
{
if (rtvs.size() > 0)
{
auto tex = rtvs[0]->GetResource()->Cast<Texture>();
auto & mipSize = tex->GetMipSize(rtvs[0]->Cast<TextureRenderTargetView>()->mipLevel);
height = (float)mipSize.y();
}
else if (dsv)
{
auto tex = dsv->GetResource()->Cast<Texture>();
auto & mipSize = tex->GetMipSize(dsv->Cast<TextureDepthStencilView>()->mipLevel);
height = (float)mipSize.y();
}
}
RenderViewport vp;
vp.topLeftX = static_cast<float>(topLeftX);
vp.topLeftY = static_cast<float>(topLeftY);
vp.width = static_cast<float>(width);
vp.height = static_cast<float>(height);
vp.minDepth = 0.0f;
vp.maxDepth = 1.0f;
rc->SetViewport(vp);
// Update uvs
float2 uvMap[4];
uvMap[0] = float2(topLeftU, topLeftV);
uvMap[1] = float2(topLeftU + uvWidth, topLeftV);
uvMap[2] = float2(topLeftU, topLeftV + uvHeight);
uvMap[3] = float2(topLeftU + uvWidth, topLeftV + uvHeight);
auto uvBufMappedData = quadVBs[1]->Map(MAP_WRITE_DISCARD);
memcpy(uvBufMappedData.pData, uvMap, sizeof(float2) * 4);
quadVBs[1]->UnMap();
// Set vbs, ib
rc->SetVertexBuffer(quadVBs);
rc->SetIndexBuffer(quadIB);
rc->SetPrimitiveTopology(PRIMITIVE_TOPOLOGY_TRIANGLELIST);
// Set rtv
rc->SetRenderTargets(rtvs);
// Set dsv
rc->SetDepthStencil(dsv);
if (!dsv)
rc->SetDepthStencilState(DepthStencilStateTemplate<false>::Get());
// Bind shader
auto drawQuadVS = Shader::FindOrCreate<DrawQuadVS>();
drawQuadVS->Flush();
// Draw
rc->DrawIndexed(0, 0);
if (!dsv)
rc->SetDepthStencilState(nullptr);
}
void Device::SetRenderTarget( U32 _Width, U32 _Height, const ID3D11RenderTargetView& _Target, ID3D11DepthStencilView* _pDepthStencil, const D3D11_VIEWPORT* _pViewport ) {
const ID3D11RenderTargetView* pTargetView = &_Target;
SetRenderTargets( _Width, _Height, 1, (ID3D11RenderTargetView* const*) &pTargetView, _pDepthStencil, _pViewport );
}
void FRCPassPostProcessLpvIndirect::DoDirectionalOcclusionPass(FRenderingCompositePassContext& Context) const
{
FSceneRenderTargets& SceneContext = FSceneRenderTargets::Get(Context.RHICmdList);
SCOPED_DRAW_EVENT(Context.RHICmdList, PostProcessLpvDirectionalOcclusion );
const FSceneRenderTargetItem& DestDirectionalOcclusionRenderTarget = SceneContext.DirectionalOcclusion->GetRenderTargetItem();
const FViewInfo& View = Context.View;
FSceneViewState* ViewState = (FSceneViewState*)View.State;
if(!ViewState)
{
return;
}
const FFinalPostProcessSettings& PostprocessSettings = Context.View.FinalPostProcessSettings;
const FLightPropagationVolumeSettings& LPVSettings = PostprocessSettings.BlendableManager.GetSingleFinalDataConst<FLightPropagationVolumeSettings>();
FLightPropagationVolume* Lpv = ViewState->GetLightPropagationVolume(Context.GetFeatureLevel());
if(!Lpv || LPVSettings.LPVIntensity == 0.0f)
{
return;
}
FTextureRHIParamRef RenderTarget = DestDirectionalOcclusionRenderTarget.TargetableTexture;
SetRenderTargets(Context.RHICmdList, 1, &RenderTarget, NULL, ESimpleRenderTargetMode::EExistingColorAndDepth, FExclusiveDepthStencil::DepthRead_StencilNop);
Context.SetViewportAndCallRHI(View.ViewRect);
Context.RHICmdList.SetBlendState( TStaticBlendState<>::GetRHI() );
Context.RHICmdList.SetRasterizerState(TStaticRasterizerState<>::GetRHI());
Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false,CF_Always>::GetRHI());
TShaderMapRef<FPostProcessVS> VertexShader(View.ShaderMap);
FLpvReadUniformBufferParameters LpvReadUniformBufferParams;
FLpvReadUniformBufferRef LpvReadUniformBuffer;
TShaderMapRef< FPostProcessLpvDirectionalOcclusionPS > PixelShader(View.ShaderMap);
static FGlobalBoundShaderState BoundShaderState;
// call it once after setting up the shader data to avoid the warnings in the function
SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
LpvReadUniformBufferParams = Lpv->GetReadUniformBufferParams();
LpvReadUniformBuffer = FLpvReadUniformBufferRef::CreateUniformBufferImmediate( LpvReadUniformBufferParams, UniformBuffer_SingleDraw );
PixelShader->SetParameters( Lpv->GetAOVolumeTextureSRV(), LpvReadUniformBuffer, Context );
DrawPostProcessPass(
Context.RHICmdList,
0, 0,
View.ViewRect.Width(), View.ViewRect.Height(),
View.ViewRect.Min.X, View.ViewRect.Min.Y,
View.ViewRect.Width(), View.ViewRect.Height(),
View.ViewRect.Size(),
SceneContext.GetBufferSizeXY(),
*VertexShader,
View.StereoPass,
Context.HasHmdMesh());
}
void FRCPassPostProcessLpvIndirect::Process(FRenderingCompositePassContext& Context)
{
FSceneRenderTargets& SceneContext = FSceneRenderTargets::Get(Context.RHICmdList);
{
FRenderingCompositeOutput* OutputOfMyInput = GetInput(ePId_Input0)->GetOutput();
PassOutputs[0].PooledRenderTarget = OutputOfMyInput->PooledRenderTarget;
OutputOfMyInput->RenderTargetDesc.DebugName = PassOutputs[0].RenderTargetDesc.DebugName;
PassOutputs[0].RenderTargetDesc = OutputOfMyInput->RenderTargetDesc;
check(PassOutputs[0].RenderTargetDesc.Extent.X);
check(PassOutputs[0].RenderTargetDesc.Extent.Y);
}
const FFinalPostProcessSettings& PostprocessSettings = Context.View.FinalPostProcessSettings;
const FSceneView& View = Context.View;
FSceneViewState* ViewState = (FSceneViewState*)View.State;
if(!ViewState)
{
return;
}
// This check should be inclusive to stereo views
const bool bIncludeStereoViews = true;
FLightPropagationVolume* Lpv = ViewState->GetLightPropagationVolume(Context.GetFeatureLevel(), bIncludeStereoViews);
const FLightPropagationVolumeSettings& LPVSettings = PostprocessSettings.BlendableManager.GetSingleFinalDataConst<FLightPropagationVolumeSettings>();
if(!Lpv || LPVSettings.LPVIntensity == 0.0f)
{
return;
}
const FSceneViewFamily& ViewFamily = *(View.Family);
FIntRect SrcRect = View.ViewRect;
// todo: view size should scale with input texture size so we can do SSAO in half resolution as well
FIntRect DestRect = View.ViewRect;
FIntPoint DestSize = DestRect.Size();
const bool bMixing = CVarLPVMixing.GetValueOnRenderThread() != 0;
// Apply specular separately if we're mixing reflection environment with indirect lighting
const bool bApplySeparateSpecularRT = View.Family->EngineShowFlags.ReflectionEnvironment && bMixing;
const FSceneRenderTargetItem& DestColorRenderTarget = SceneContext.GetSceneColor()->GetRenderTargetItem();
const FSceneRenderTargetItem& DestSpecularRenderTarget = SceneContext.LightAccumulation->GetRenderTargetItem();
const FSceneRenderTargetItem& DestDirectionalOcclusionRenderTarget = SceneContext.DirectionalOcclusion->GetRenderTargetItem();
// Make sure the LPV Update has completed
Lpv->InsertGPUWaitForAsyncUpdate(Context.RHICmdList);
if ( LPVSettings.LPVDirectionalOcclusionIntensity > 0.0001f )
{
DoDirectionalOcclusionPass(Context);
}
FTextureRHIParamRef RenderTargets[2];
RenderTargets[0] = DestColorRenderTarget.TargetableTexture;
RenderTargets[1] = DestSpecularRenderTarget.TargetableTexture;
// Set the view family's render target/viewport.
// If specular not applied: set only color target
uint32 NumRenderTargets = 1;
if ( bApplySeparateSpecularRT )
{
NumRenderTargets = 2;
}
SetRenderTargets(Context.RHICmdList, NumRenderTargets, RenderTargets, 0, ESimpleRenderTargetMode::EExistingColorAndDepth, FExclusiveDepthStencil::DepthRead_StencilNop);
Context.SetViewportAndCallRHI(View.ViewRect);
// set the state
Context.RHICmdList.SetBlendState(TStaticBlendState<CW_RGB,BO_Add,BF_One,BF_One,BO_Add,BF_One,BF_One>::GetRHI());
Context.RHICmdList.SetRasterizerState(TStaticRasterizerState<>::GetRHI());
Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false,CF_Always>::GetRHI());
TShaderMapRef<FPostProcessVS> VertexShader(Context.GetShaderMap());
TShaderMapRef< TPostProcessLpvIndirectPS<false> > PixelShaderNoSpecular(Context.GetShaderMap());
TShaderMapRef< TPostProcessLpvIndirectPS<true> > PixelShaderWithSpecular(Context.GetShaderMap());
FPostProcessLpvIndirectPS* PixelShader = NULL;
int BoundShaderIndex = -1;
if ( bApplySeparateSpecularRT )
{
PixelShader = (FPostProcessLpvIndirectPS*)*PixelShaderWithSpecular;
BoundShaderIndex = 0;
}
else
{
PixelShader = (FPostProcessLpvIndirectPS*)*PixelShaderNoSpecular;
BoundShaderIndex = 1;
}
static FGlobalBoundShaderState BoundShaderState[2];
// call it once after setting up the shader data to avoid the warnings in the function
SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState[BoundShaderIndex], GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, PixelShader);
FLpvReadUniformBufferParameters LpvReadUniformBufferParams;
FLpvReadUniformBufferRef LpvReadUniformBuffer;
LpvReadUniformBufferParams = Lpv->GetReadUniformBufferParams();
LpvReadUniformBuffer = FLpvReadUniformBufferRef::CreateUniformBufferImmediate( LpvReadUniformBufferParams, UniformBuffer_SingleDraw );
FTextureRHIParamRef LpvBufferSrvs[7];
for ( int i = 0; i < 7; i++ )
{
LpvBufferSrvs[i] = Lpv->GetLpvBufferSrv(i);
}
PixelShader->SetParameters( LpvBufferSrvs, Lpv->GetAOVolumeTextureSRV(), LpvReadUniformBuffer, Context );
{
SCOPED_DRAW_EVENT(Context.RHICmdList, PostProcessLpvIndirect );
DrawPostProcessPass(
Context.RHICmdList,
0, 0,
View.ViewRect.Width(), View.ViewRect.Height(),
View.ViewRect.Min.X, View.ViewRect.Min.Y,
View.ViewRect.Width(), View.ViewRect.Height(),
View.ViewRect.Size(),
SceneContext.GetBufferSizeXY(),
*VertexShader,
View.StereoPass,
Context.HasHmdMesh());
Context.RHICmdList.CopyToResolveTarget(DestColorRenderTarget.TargetableTexture, DestColorRenderTarget.ShaderResourceTexture, false, FResolveParams());
if(bApplySeparateSpecularRT)
{
Context.RHICmdList.CopyToResolveTarget(DestSpecularRenderTarget.TargetableTexture, DestSpecularRenderTarget.ShaderResourceTexture, false, FResolveParams());
}
}
if ( LPVSettings.LPVDirectionalOcclusionIntensity > 0.0001f )
{
GRenderTargetPool.VisualizeTexture.SetCheckPoint(Context.RHICmdList, SceneContext.DirectionalOcclusion);
}
}
void FRCPassPostProcessMotionBlurSetup::Process(FRenderingCompositePassContext& Context)
{
SCOPED_DRAW_EVENT(Context.RHICmdList, MotionBlurSetup);
const FPooledRenderTargetDesc* InputDesc = GetInputDesc(ePId_Input0);
if(!InputDesc)
{
// input is not hooked up correctly
return;
}
const FSceneView& View = Context.View;
const FSceneViewFamily& ViewFamily = *(View.Family);
FIntPoint SrcSize = InputDesc->Extent;
FIntPoint DestSize = PassOutputs[0].RenderTargetDesc.Extent;
// e.g. 4 means the input texture is 4x smaller than the buffer size
uint32 ScaleFactor = GSceneRenderTargets.GetBufferSizeXY().X / SrcSize.X;
FIntRect SrcRect = View.ViewRect / ScaleFactor;
// Viewport size not even also causes issue
FIntRect DestRect = FIntRect::DivideAndRoundUp(SrcRect, 2);
const FSceneRenderTargetItem& DestRenderTarget0 = PassOutputs[0].RequestSurface(Context);
const FSceneRenderTargetItem& DestRenderTarget1 = PassOutputs[1].RequestSurface(Context);
// Set the view family's render target/viewport.
FTextureRHIParamRef RenderTargets[] =
{
DestRenderTarget0.TargetableTexture,
DestRenderTarget1.TargetableTexture
};
SetRenderTargets(Context.RHICmdList, ARRAY_COUNT(RenderTargets), RenderTargets, FTextureRHIParamRef(), 0, NULL);
// is optimized away if possible (RT size=view size, )
FLinearColor ClearColors[2] = {FLinearColor(0,0,0,0), FLinearColor(0,0,0,0)};
Context.RHICmdList.ClearMRT(true, 2, ClearColors, false, 1.0f, false, 0, DestRect);
Context.SetViewportAndCallRHI(0, 0, 0.0f, DestSize.X, DestSize.Y, 1.0f );
// set the state
Context.RHICmdList.SetBlendState(TStaticBlendState<>::GetRHI());
Context.RHICmdList.SetRasterizerState(TStaticRasterizerState<>::GetRHI());
Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false, CF_Always>::GetRHI());
TShaderMapRef<FPostProcessMotionBlurSetupVS> VertexShader(Context.GetShaderMap());
{
TShaderMapRef<FPostProcessMotionBlurSetupPS > PixelShader(Context.GetShaderMap());
static FGlobalBoundShaderState BoundShaderState;
SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
PixelShader->SetParameters(Context);
VertexShader->SetParameters(Context);
}
// Draw a quad mapping scene color to the view's render target
DrawRectangle(
Context.RHICmdList,
DestRect.Min.X, DestRect.Min.Y,
DestRect.Width(), DestRect.Height(),
SrcRect.Min.X, SrcRect.Min.Y,
SrcRect.Width(), SrcRect.Height(),
DestSize,
SrcSize,
*VertexShader,
EDRF_UseTriangleOptimization);
Context.RHICmdList.CopyToResolveTarget(DestRenderTarget0.TargetableTexture, DestRenderTarget0.ShaderResourceTexture, false, FResolveParams());
Context.RHICmdList.CopyToResolveTarget(DestRenderTarget1.TargetableTexture, DestRenderTarget1.ShaderResourceTexture, false, FResolveParams());
}
void ImageBasedLensFlare::LensBlur(const Ptr<Texture> & setupTex, const Ptr<Texture> & target)
{
int32_t tileSize = 9;
//Extract Sprite Points
int32_t extractWidth = (setupTex->GetDesc().width + tileSize - 1) / tileSize;
int32_t extractHeight = (setupTex->GetDesc().height + tileSize - 1) / tileSize;
RenderBufferDesc spPointsBufDesc;
spPointsBufDesc.bindFlag = BUFFER_BIND_SHADER_RESOURCE | BUFFER_BIND_UNORDERED_ACCESS;
spPointsBufDesc.elementSize = sizeof(float2) + sizeof(float3);
spPointsBufDesc.numElements = extractWidth * extractHeight;
spPointsBufDesc.cpuAccess = 0;
spPointsBufDesc.bStructured = true;
auto spPointsBufRef = BufferPool::Instance().FindFree(spPointsBufDesc);
auto spPointsBuf = spPointsBufRef->Get()->Cast<RenderBuffer>();
{
auto ps = Shader::FindOrCreate<ExtractSpritePointsPS>();
ps->SetScalar("spriteThreshold", _spriteThreshold);
ps->SetSRV("setupTex", setupTex->GetShaderResourceView());
ps->SetUAV("spPointsBuf", spPointsBuf->GetUnorderedAccessView(0, 0, RENDER_FORMAT_UNKNOWN, BUFFER_UAV_APPEND));
ps->Flush();
DrawQuad({}, 0.0f, 0.0f, (float)extractWidth, (float)extractHeight);
}
//Render Sprites
if (!_indirectAgsBuf)
{
RenderBufferDesc indirectArgsBufDesc;
indirectArgsBufDesc.bindFlag = BUFFER_BIND_INDIRECT_ARGS;
indirectArgsBufDesc.elementSize = 16;
indirectArgsBufDesc.numElements = 1;
indirectArgsBufDesc.cpuAccess = 0;
indirectArgsBufDesc.bStructured = false;
uint32_t initData[] = { 0, 1, 0, 0 };
_indirectAgsBuf = Global::GetRenderEngine()->GetRenderFactory()->CreateBuffer();
_indirectAgsBuf->SetDesc(indirectArgsBufDesc);
_indirectAgsBuf->Init(initData);
}
spPointsBuf->CopyStructureCountTo(_indirectAgsBuf, 0, 0, spPointsBuf->GetDesc().numElements, RENDER_FORMAT_UNKNOWN, BUFFER_UAV_APPEND);
{
auto vs = Shader::FindOrCreate<LensBlurVS>();
auto gs = Shader::FindOrCreate<LensBlurGS>();
auto ps = Shader::FindOrCreate<LensBlurPS>();
vs->SetScalar("texSize", target->GetTexSize());
gs->SetScalar("texSize", target->GetTexSize());
gs->SetScalar("flareIntensity", _flareIntensity);
vs->SetSRV("spPointsRenderBuf", spPointsBuf->GetShaderResourceView(0, 0, RENDER_FORMAT_UNKNOWN));
auto lensTexAsset = Asset::Find<TextureAsset>("Textures/Bokeh_Circle.dds");
if (!lensTexAsset->IsInit())
lensTexAsset->Init();
auto lensTex = lensTexAsset->GetTexture();
ps->SetSRV("lensTex", lensTex->GetShaderResourceView());
ps->SetSampler("linearSampler", SamplerTemplate<>::Get());
vs->Flush();
gs->Flush();
ps->Flush();
auto rc = Global::GetRenderEngine()->GetRenderContext();
rc->SetVertexBuffer({});
rc->SetIndexBuffer(nullptr);
rc->SetPrimitiveTopology(PRIMITIVE_TOPOLOGY_POINTLIST);
rc->SetViewport(GetTextureQuadViewport(target));
rc->SetRenderTargets({ target->GetRenderTargetView(0, 0, 1) });
rc->SetDepthStencil(nullptr);
rc->SetDepthStencilState(DepthStencilStateTemplate<false>::Get());
rc->SetBlendState(BlendStateTemplate<false, false, true, BLEND_PARAM_SRC_ALPHA, BLEND_PARAM_ONE, BLEND_OP_ADD>::Get());
rc->DrawInstancedIndirect(_indirectAgsBuf, 0);
rc->ResetShader(SHADER_GS);
rc->SetBlendState(nullptr);
}
}
void FRCPassPostProcessDeferredDecals::Process(FRenderingCompositePassContext& Context)
{
FRHICommandListImmediate& RHICmdList = Context.RHICmdList;
const bool bShaderComplexity = Context.View.Family->EngineShowFlags.ShaderComplexity;
const bool bDBuffer = IsDBufferEnabled();
const bool bStencilSizeThreshold = CVarStencilSizeThreshold.GetValueOnRenderThread() >= 0;
SCOPED_DRAW_EVENT(RHICmdList, PostProcessDeferredDecals);
if(RenderStage == 0)
{
// before BasePass, only if DBuffer is enabled
check(bDBuffer);
// DBuffer: Decal buffer
FPooledRenderTargetDesc Desc(FPooledRenderTargetDesc::Create2DDesc(GSceneRenderTargets.GBufferA->GetDesc().Extent,
PF_B8G8R8A8,
TexCreate_None,
TexCreate_ShaderResource | TexCreate_RenderTargetable,
false));
if(!GSceneRenderTargets.DBufferA)
{
GRenderTargetPool.FindFreeElement(Desc, GSceneRenderTargets.DBufferA, TEXT("DBufferA"));
}
if(!GSceneRenderTargets.DBufferB)
{
GRenderTargetPool.FindFreeElement(Desc, GSceneRenderTargets.DBufferB, TEXT("DBufferB"));
}
Desc.Format = PF_R8G8;
if(!GSceneRenderTargets.DBufferC)
{
GRenderTargetPool.FindFreeElement(Desc, GSceneRenderTargets.DBufferC, TEXT("DBufferC"));
}
// we assume views are non overlapping, then we need to clear only once in the beginning, otherwise we would need to set scissor rects
// and don't get FastClear any more.
bool bFirstView = Context.View.Family->Views[0] == &Context.View;
if(bFirstView)
{
SCOPED_DRAW_EVENT(RHICmdList, DBufferClear);
// could be optimized
SetRenderTarget(RHICmdList, GSceneRenderTargets.DBufferA->GetRenderTargetItem().TargetableTexture, FTextureRHIParamRef());
RHICmdList.Clear(true, FLinearColor(0, 0, 0, 1), false, (float)ERHIZBuffer::FarPlane, false, 0, FIntRect());
SetRenderTarget(RHICmdList, GSceneRenderTargets.DBufferB->GetRenderTargetItem().TargetableTexture, FTextureRHIParamRef());
// todo: some hardware would like to have 0 or 1 for faster clear, we chose 128/255 to represent 0 (8 bit cannot represent 0.5f)
RHICmdList.Clear(true, FLinearColor(128.0f / 255.0f, 128.0f / 255.0f, 128.0f / 255.0f, 1), false, (float)ERHIZBuffer::FarPlane, false, 0, FIntRect());
SetRenderTarget(RHICmdList, GSceneRenderTargets.DBufferC->GetRenderTargetItem().TargetableTexture, FTextureRHIParamRef());
// R:roughness, G:roughness opacity
RHICmdList.Clear(true, FLinearColor(0, 1, 0, 1), false, (float)ERHIZBuffer::FarPlane, false, 0, FIntRect());
}
}
// this cast is safe as only the dedicated server implements this differently and this pass should not be executed on the dedicated server
const FViewInfo& View = Context.View;
const FSceneViewFamily& ViewFamily = *(View.Family);
FScene& Scene = *(FScene*)ViewFamily.Scene;
if(!Scene.Decals.Num())
{
// to avoid the stats showing up
return;
}
TArray<FTransientDecalRenderData, SceneRenderingAllocator> SortedDecals;
SortedDecals.Empty(Scene.Decals.Num());
// Build a list of decals that need to be rendered for this view in SortedDecals
for (TSparseArray<FDeferredDecalProxy*>::TConstIterator It(Scene.Decals); It; ++It)
{
FDeferredDecalProxy* DecalProxy = *It;
bool bIsShown = true;
// Handle the decal actor having bHidden set when we are in the editor, in G mode
#if WITH_EDITOR
if (View.Family->EngineShowFlags.Editor)
#endif
{
if (!DecalProxy->DrawInGame)
{
bIsShown = false;
}
}
const FMatrix ComponentToWorldMatrix = DecalProxy->ComponentTrans.ToMatrixWithScale();
// can be optimized as we test against a sphere around the box instead of the box itself
const float ConservativeRadius = FMath::Sqrt(
ComponentToWorldMatrix.GetScaledAxis( EAxis::X ).SizeSquared() * FMath::Square(GDefaultDecalSize.X) +
ComponentToWorldMatrix.GetScaledAxis( EAxis::Y ).SizeSquared() * FMath::Square(GDefaultDecalSize.Y) +
ComponentToWorldMatrix.GetScaledAxis( EAxis::Z ).SizeSquared() * FMath::Square(GDefaultDecalSize.Z));
// can be optimized as the test is too conservative (sphere instead of OBB)
if(ConservativeRadius < SMALL_NUMBER || !View.ViewFrustum.IntersectSphere(ComponentToWorldMatrix.GetOrigin(), ConservativeRadius))
{
bIsShown = false;
}
if (bIsShown)
{
FTransientDecalRenderData Data(Scene, DecalProxy);
uint32 DecalRenderStage = ComputeRenderStage(Data.DecalBlendMode);
// we could do this test earlier to avoid the decal intersection but getting DecalBlendMode also costs
if (Context.View.Family->EngineShowFlags.ShaderComplexity || RenderStage == DecalRenderStage)
{
SortedDecals.Add(Data);
}
}
}
if(SortedDecals.Num() > 0)
{
FIntRect SrcRect = View.ViewRect;
FIntRect DestRect = View.ViewRect;
bool bStencilDecals = true;
#if DBUFFER_DONT_USE_STENCIL_YET
if(RenderStage == 0)
{
bStencilDecals = false;
}
#endif
// Setup a stencil mask to prevent certain pixels from receiving deferred decals
if(bStencilDecals)
{
StencilDecalMask(RHICmdList, View);
}
// Sort by sort order to allow control over composited result
// Then sort decals by state to reduce render target switches
// Also sort by component since Sort() is not stable
struct FCompareFTransientDecalRenderData
{
FORCEINLINE bool operator()( const FTransientDecalRenderData& A, const FTransientDecalRenderData& B ) const
{
if (B.DecalProxy->SortOrder != A.DecalProxy->SortOrder)
{
return A.DecalProxy->SortOrder < B.DecalProxy->SortOrder;
}
if (B.DecalBlendMode != A.DecalBlendMode)
{
return (int32)B.DecalBlendMode < (int32)A.DecalBlendMode;
}
if (B.bHasNormal != A.bHasNormal)
{
return B.bHasNormal < A.bHasNormal;
}
// Batch decals with the same material together
if (B.MaterialProxy != A.MaterialProxy )
{
return B.MaterialProxy < A.MaterialProxy;
}
return (PTRINT)B.DecalProxy->Component < (PTRINT)A.DecalProxy->Component;
}
};
// Sort decals by blend mode to reduce render target switches
SortedDecals.Sort( FCompareFTransientDecalRenderData() );
// optimization to have less state changes
int32 LastDecalBlendMode = -1;
int32 LastDecalHasNormal = -1; // Decal state can change based on its normal property.(SM5)
ERenderTargetMode LastRenderTargetMode = RTM_Unknown;
int32 WasInsideDecal = -1;
const ERHIFeatureLevel::Type SMFeatureLevel = Context.GetFeatureLevel();
SCOPED_DRAW_EVENT(RHICmdList, Decals);
INC_DWORD_STAT_BY(STAT_Decals, SortedDecals.Num());
enum EDecalResolveBufferIndex
{
SceneColorIndex,
GBufferAIndex,
GBufferBIndex,
GBufferCIndex,
DBufferAIndex,
DBufferBIndex,
DBufferCIndex,
ResolveBufferMax,
};
FTextureRHIParamRef TargetsToResolve[ResolveBufferMax] = { nullptr };
for (int32 DecalIndex = 0, DecalCount = SortedDecals.Num(); DecalIndex < DecalCount; DecalIndex++)
{
const FTransientDecalRenderData& DecalData = SortedDecals[DecalIndex];
const FDeferredDecalProxy& DecalProxy = *DecalData.DecalProxy;
const FMatrix ComponentToWorldMatrix = DecalProxy.ComponentTrans.ToMatrixWithScale();
// Set vertex shader params
const FMaterialShaderMap* MaterialShaderMap = DecalData.MaterialResource->GetRenderingThreadShaderMap();
FScaleMatrix DecalScaleTransform(GDefaultDecalSize);
FTranslationMatrix PreViewTranslation(View.ViewMatrices.PreViewTranslation);
FMatrix FrustumComponentToClip = DecalScaleTransform * ComponentToWorldMatrix * PreViewTranslation * View.ViewMatrices.TranslatedViewProjectionMatrix;
// can be optimized as we test against a sphere around the box instead of the box itself
const float ConservativeRadius = FMath::Sqrt(
ComponentToWorldMatrix.GetScaledAxis( EAxis::X ).SizeSquared() * FMath::Square(GDefaultDecalSize.X) +
ComponentToWorldMatrix.GetScaledAxis( EAxis::Y ).SizeSquared() * FMath::Square(GDefaultDecalSize.Y) +
ComponentToWorldMatrix.GetScaledAxis( EAxis::Z ).SizeSquared() * FMath::Square(GDefaultDecalSize.Z));
EDecalBlendMode DecalBlendMode = DecalData.DecalBlendMode;
bool bStencilThisDecal = bStencilDecals;
#if DBUFFER_DONT_USE_STENCIL_YET
if(ComputeRenderStage(DecalBlendMode) == 0)
{
bStencilThisDecal = false;
}
#endif
ERenderTargetMode CurrentRenderTargetMode = ComputeRenderTargetMode(DecalBlendMode);
if(bShaderComplexity)
{
CurrentRenderTargetMode = RTM_SceneColor;
// we want additive blending for the ShaderComplexity mode
DecalBlendMode = DBM_Emissive;
}
// fewer rendertarget switches if possible
if(CurrentRenderTargetMode != LastRenderTargetMode)
{
LastRenderTargetMode = CurrentRenderTargetMode;
switch(CurrentRenderTargetMode)
{
case RTM_SceneColorAndGBuffer:
{
TargetsToResolve[SceneColorIndex] = GSceneRenderTargets.GetSceneColor()->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[GBufferAIndex] = GSceneRenderTargets.GBufferA->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[GBufferBIndex] = GSceneRenderTargets.GBufferB->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[GBufferCIndex] = GSceneRenderTargets.GBufferC->GetRenderTargetItem().TargetableTexture;
SetRenderTargets(RHICmdList, 4, TargetsToResolve, GSceneRenderTargets.GetSceneDepthSurface(), ESimpleRenderTargetMode::EExistingColorAndDepth, FExclusiveDepthStencil::DepthRead_StencilWrite);
}
break;
case RTM_GBufferNormal:
TargetsToResolve[GBufferAIndex] = GSceneRenderTargets.GBufferA->GetRenderTargetItem().TargetableTexture;
SetRenderTarget(RHICmdList, TargetsToResolve[GBufferAIndex], GSceneRenderTargets.GetSceneDepthSurface(), ESimpleRenderTargetMode::EExistingColorAndDepth, FExclusiveDepthStencil::DepthRead_StencilWrite);
break;
case RTM_SceneColor:
TargetsToResolve[SceneColorIndex] = GSceneRenderTargets.GetSceneColor()->GetRenderTargetItem().TargetableTexture;
SetRenderTarget(RHICmdList, TargetsToResolve[SceneColorIndex], GSceneRenderTargets.GetSceneDepthSurface(), ESimpleRenderTargetMode::EExistingColorAndDepth, FExclusiveDepthStencil::DepthRead_StencilWrite);
break;
case RTM_DBuffer:
{
TargetsToResolve[DBufferAIndex] = GSceneRenderTargets.DBufferA->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[DBufferBIndex] = GSceneRenderTargets.DBufferB->GetRenderTargetItem().TargetableTexture;
TargetsToResolve[DBufferCIndex] = GSceneRenderTargets.DBufferC->GetRenderTargetItem().TargetableTexture;
SetRenderTargets(RHICmdList, 3, &TargetsToResolve[DBufferAIndex], GSceneRenderTargets.GetSceneDepthSurface(), ESimpleRenderTargetMode::EExistingColorAndDepth, FExclusiveDepthStencil::DepthRead_StencilWrite);
}
break;
default:
check(0);
break;
}
Context.SetViewportAndCallRHI(DestRect);
// we need to reset the stream source after any call to SetRenderTarget (at least for Metal, which doesn't queue up VB assignments)
RHICmdList.SetStreamSource(0, GUnitCubeVertexBuffer.VertexBufferRHI, sizeof(FVector4), 0);
}
bool bThisDecalUsesStencil = false;
if (bStencilThisDecal)
{
if (bStencilSizeThreshold)
{
// note this is after a SetStreamSource (in if CurrentRenderTargetMode != LastRenderTargetMode) call as it needs to get the VB input
bThisDecalUsesStencil = RenderPreStencil(Context, MaterialShaderMap, ComponentToWorldMatrix, FrustumComponentToClip);
WasInsideDecal = -1;
LastDecalBlendMode = -1;
}
}
const bool bBlendStateChange = DecalBlendMode != LastDecalBlendMode;// Has decal mode changed.
const bool bDecalNormalChanged = GSupportsSeparateRenderTargetBlendState && // has normal changed for SM5 stain/translucent decals?
(DecalBlendMode == DBM_Translucent || DecalBlendMode == DBM_Stain) &&
(int32)DecalData.bHasNormal != LastDecalHasNormal;
// fewer blend state changes if possible
if (bBlendStateChange || bDecalNormalChanged)
{
LastDecalBlendMode = DecalBlendMode;
LastDecalHasNormal = (int32)DecalData.bHasNormal;
SetDecalBlendState(RHICmdList, SMFeatureLevel, RenderStage, (EDecalBlendMode)LastDecalBlendMode, DecalData.bHasNormal);
}
{
TShaderMapRef<FDeferredDecalVS> VertexShader(Context.GetShaderMap());
SetShader(Context, bShaderComplexity, DecalData, *VertexShader);
VertexShader->SetParameters(RHICmdList, View, FrustumComponentToClip);
const int32 IsInsideDecal = ((FVector)View.ViewMatrices.ViewOrigin - ComponentToWorldMatrix.GetOrigin()).SizeSquared() < FMath::Square(ConservativeRadius * 1.05f + View.NearClippingDistance * 2.0f) + ( bThisDecalUsesStencil ) ? 2 : 0;
if ( WasInsideDecal != IsInsideDecal )
{
WasInsideDecal = IsInsideDecal;
if ( !(IsInsideDecal & 1) )
{
// Render backfaces with depth tests disabled since the camera is inside (or close to inside) the light function geometry
RHICmdList.SetRasterizerState(View.bReverseCulling ? TStaticRasterizerState<FM_Solid, CM_CCW>::GetRHI() : TStaticRasterizerState<FM_Solid, CM_CW>::GetRHI());
if(bStencilDecals)
{
// Enable stencil testing, only write to pixels with stencil of 0
if ( bThisDecalUsesStencil )
{
RHICmdList.SetDepthStencilState(TStaticDepthStencilState<
false,CF_Always,
true,CF_Equal,SO_Zero,SO_Zero,SO_Zero,
true,CF_Equal,SO_Zero,SO_Zero,SO_Zero,
0xff, 0x7f
>::GetRHI(), 1);
}
else
{
RHICmdList.SetDepthStencilState(TStaticDepthStencilState<
false,CF_Always,
true,CF_Equal,SO_Keep,SO_Keep,SO_Keep,
false,CF_Always,SO_Keep,SO_Keep,SO_Keep,
0x80,0x00>::GetRHI(), 0);
}
}
else
{
RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false, CF_Always, true>::GetRHI(), 0);
}
}
else
{
// Render frontfaces with depth tests on to get the speedup from HiZ since the camera is outside the light function geometry
if(bStencilDecals)
{
// Render frontfaces with depth tests on to get the speedup from HiZ since the camera is outside the light function geometry
// Enable stencil testing, only write to pixels with stencil of 0
if ( bThisDecalUsesStencil )
{
RHICmdList.SetDepthStencilState(TStaticDepthStencilState<
false,CF_DepthNearOrEqual,
true,CF_Equal,SO_Zero,SO_Zero,SO_Zero,
true,CF_Equal,SO_Zero,SO_Zero,SO_Zero,
0xff, 0x7f
>::GetRHI(), 1);
}
else
{
RHICmdList.SetDepthStencilState(TStaticDepthStencilState<
false,CF_DepthNearOrEqual,
true,CF_Equal,SO_Keep,SO_Keep,SO_Keep,
false,CF_Always,SO_Keep,SO_Keep,SO_Keep,
0x80,0x00>::GetRHI(), 0);
}
RHICmdList.SetRasterizerState(View.bReverseCulling ? TStaticRasterizerState<FM_Solid, CM_CW>::GetRHI() : TStaticRasterizerState<FM_Solid, CM_CCW>::GetRHI());
}
else
{
RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false, CF_DepthNearOrEqual>::GetRHI(), 0);
}
RHICmdList.SetRasterizerState(View.bReverseCulling ? TStaticRasterizerState<FM_Solid, CM_CW>::GetRHI() : TStaticRasterizerState<FM_Solid, CM_CCW>::GetRHI());
}
}
RHICmdList.DrawIndexedPrimitive(GUnitCubeIndexBuffer.IndexBufferRHI, PT_TriangleList, 0, 0, 8, 0, GUnitCubeIndexBuffer.GetIndexCount() / 3, 1);
}
}
// we don't modify stencil but if out input was having stencil for us (after base pass - we need to clear)
// Clear stencil to 0, which is the assumed default by other passes
RHICmdList.Clear(false, FLinearColor::White, false, (float)ERHIZBuffer::FarPlane, true, 0, FIntRect());
// resolve the targets we wrote to.
FResolveParams ResolveParams;
for (int32 i = 0; i < ResolveBufferMax; ++i)
{
if (TargetsToResolve[i])
{
RHICmdList.CopyToResolveTarget(TargetsToResolve[i], TargetsToResolve[i], true, ResolveParams);
}
}
}
if(RenderStage == 0)
{
// before BasePass
GRenderTargetPool.VisualizeTexture.SetCheckPoint(RHICmdList, GSceneRenderTargets.DBufferA);
GRenderTargetPool.VisualizeTexture.SetCheckPoint(RHICmdList, GSceneRenderTargets.DBufferB);
GRenderTargetPool.VisualizeTexture.SetCheckPoint(RHICmdList, GSceneRenderTargets.DBufferC);
}
}
