/**
* Renders the basepass for a given DPG and View.
* @return true if anything was rendered to scene color
*/
bool FDeferredShadingSceneRenderer::RenderBasePass(FViewInfo& View)
{
bool bDirty=0;
// Render the base pass static data
bDirty |= RenderBasePassStaticData(View);
{
SCOPE_CYCLE_COUNTER(STAT_DynamicPrimitiveDrawTime);
SCOPED_DRAW_EVENT(Dynamic, DEC_SCENE_ITEMS);
if( View.VisibleDynamicPrimitives.Num() > 0 )
{
// Draw the dynamic non-occluded primitives using a base pass drawing policy.
TDynamicPrimitiveDrawer<FBasePassOpaqueDrawingPolicyFactory> Drawer(
&View,FBasePassOpaqueDrawingPolicyFactory::ContextType(false, ESceneRenderTargetsMode::DontSet),true);
for(int32 PrimitiveIndex = 0;PrimitiveIndex < View.VisibleDynamicPrimitives.Num();PrimitiveIndex++)
{
const FPrimitiveSceneInfo* PrimitiveSceneInfo = View.VisibleDynamicPrimitives[PrimitiveIndex];
int32 PrimitiveId = PrimitiveSceneInfo->GetIndex();
const FPrimitiveViewRelevance& PrimitiveViewRelevance = View.PrimitiveViewRelevanceMap[PrimitiveId];
const bool bVisible = View.PrimitiveVisibilityMap[PrimitiveId];
// Only draw the primitive if it's visible
if( bVisible &&
// only draw opaque and masked primitives if wireframe is disabled
(PrimitiveViewRelevance.bOpaqueRelevance || ViewFamily.EngineShowFlags.Wireframe) &&
PrimitiveViewRelevance.bRenderInMainPass
)
{
FScopeCycleCounter Context(PrimitiveSceneInfo->Proxy->GetStatId());
Drawer.SetPrimitive(PrimitiveSceneInfo->Proxy);
PrimitiveSceneInfo->Proxy->DrawDynamicElements(
&Drawer,
&View
);
}
}
bDirty |= Drawer.IsDirty();
}
bDirty |= RenderBasePassDynamicData(View);
}
return bDirty;
}
int main() {
std::vector<tutor::PPoint2d>u1;
std::vector<tutor::PPoint2d>u2 ;
char* file_names[] = {"imgs/img12.txt", "imgs/img22.txt"};
char* img_names[] = {"imgs/image1.pgm", "imgs/image2.pgm"};
///// get points
u1 = read_positions(file_names[0]);
u2 = read_positions(file_names[1]);
// std::cout << "u1=" << u1 << std::endl;
// std::cout << "u2=" << u2 << std::endl;
///// get images
cv::Mat img1 = cv::imread(img_names[0]);
cv::Mat img2 = cv::imread(img_names[1]);
Drawer drawer = Drawer();
for (unsigned i=0; i<N; i++) {
drawer.mark(img1, u1[i], 255);
drawer.mark(img2, u2[i], 255);
}
///// get F
cv::Matx33d F ;
F = get_fundamental_matrix(u1, u2);
///// draw epipoler line
for (unsigned i=0; i<u1.size(); i++) {
// PPoint2d u = pt_to_ppt(u1[i]);
std::cout << "i=" << i << " " ;
draw_epiline(img1, u1[i], F) ;
}
for (unsigned i=0; i<u2.size(); i++) {
// PPoint2d u = pt_to_ppt(u2[i]);
draw_epiline(img2, u2[i], F.t()) ;
}
cv::imwrite("image1.jpg", img1);
cv::imwrite("image2.jpg", img2);
return 0;
}
/** Renders the scene's prepass and occlusion queries */
bool FDeferredShadingSceneRenderer::RenderPrePass()
{
SCOPED_DRAW_EVENT(PrePass, DEC_SCENE_ITEMS);
SCOPE_CYCLE_COUNTER(STAT_DepthDrawTime);
bool bDirty = false;
GSceneRenderTargets.BeginRenderingPrePass();
// Clear the depth buffer.
// Note, this is a reversed Z depth surface, so 0.0f is the far plane.
RHIClear(false,FLinearColor::Black,true,0.0f,true,0, FIntRect());
// Draw a depth pass to avoid overdraw in the other passes.
if(EarlyZPassMode != DDM_None)
{
for(int32 ViewIndex = 0;ViewIndex < Views.Num();ViewIndex++)
{
SCOPED_CONDITIONAL_DRAW_EVENTF(EventView, Views.Num() > 1, DEC_SCENE_ITEMS, TEXT("View%d"), ViewIndex);
const FViewInfo& View = Views[ViewIndex];
// Disable color writes, enable depth tests and writes.
RHISetBlendState(TStaticBlendState<CW_NONE>::GetRHI());
// Note, this is a reversed Z depth surface, using CF_GreaterEqual.
RHISetDepthStencilState(TStaticDepthStencilState<true,CF_GreaterEqual>::GetRHI());
RHISetViewport(View.ViewRect.Min.X, View.ViewRect.Min.Y, 0, View.ViewRect.Max.X, View.ViewRect.Max.Y, 1);
// Draw the static occluder primitives using a depth drawing policy.
{
// Draw opaque occluders which support a separate position-only
// vertex buffer to minimize vertex fetch bandwidth, which is
// often the bottleneck during the depth only pass.
SCOPED_DRAW_EVENT(PosOnlyOpaque, DEC_SCENE_ITEMS);
bDirty |= Scene->PositionOnlyDepthDrawList.DrawVisible(View,View.StaticMeshOccluderMap,View.StaticMeshBatchVisibility);
}
{
// Draw opaque occluders, using double speed z where supported.
SCOPED_DRAW_EVENT(Opaque, DEC_SCENE_ITEMS);
bDirty |= Scene->DepthDrawList.DrawVisible(View,View.StaticMeshOccluderMap,View.StaticMeshBatchVisibility);
}
if(EarlyZPassMode >= DDM_AllOccluders)
{
// Draw opaque occluders with masked materials
SCOPED_DRAW_EVENT(Opaque, DEC_SCENE_ITEMS);
bDirty |= Scene->MaskedDepthDrawList.DrawVisible(View,View.StaticMeshOccluderMap,View.StaticMeshBatchVisibility);
}
// Draw the dynamic occluder primitives using a depth drawing policy.
TDynamicPrimitiveDrawer<FDepthDrawingPolicyFactory> Drawer(&View,FDepthDrawingPolicyFactory::ContextType(EarlyZPassMode),true);
{
SCOPED_DRAW_EVENT(Dynamic, DEC_SCENE_ITEMS);
for(int32 PrimitiveIndex = 0;PrimitiveIndex < View.VisibleDynamicPrimitives.Num();PrimitiveIndex++)
{
const FPrimitiveSceneInfo* PrimitiveSceneInfo = View.VisibleDynamicPrimitives[PrimitiveIndex];
int32 PrimitiveId = PrimitiveSceneInfo->GetIndex();
const FPrimitiveViewRelevance& PrimitiveViewRelevance = View.PrimitiveViewRelevanceMap[PrimitiveId];
bool bShouldUseAsOccluder = true;
if(EarlyZPassMode != DDM_AllOccluders)
{
extern float GMinScreenRadiusForDepthPrepass;
const float LODFactorDistanceSquared = (PrimitiveSceneInfo->Proxy->GetBounds().Origin - View.ViewMatrices.ViewOrigin).SizeSquared() * FMath::Square(View.LODDistanceFactor);
// Only render primitives marked as occluders
bShouldUseAsOccluder = PrimitiveSceneInfo->Proxy->ShouldUseAsOccluder()
// Only render static objects unless movable are requested
&& (!PrimitiveSceneInfo->Proxy->IsMovable() || GEarlyZPassMovable)
&& (FMath::Square(PrimitiveSceneInfo->Proxy->GetBounds().SphereRadius) > GMinScreenRadiusForDepthPrepass * GMinScreenRadiusForDepthPrepass * LODFactorDistanceSquared);
}
// Only render opaque primitives marked as occluders
if (bShouldUseAsOccluder && PrimitiveViewRelevance.bOpaqueRelevance && PrimitiveViewRelevance.bRenderInMainPass)
{
FScopeCycleCounter Context(PrimitiveSceneInfo->Proxy->GetStatId());
Drawer.SetPrimitive(PrimitiveSceneInfo->Proxy);
PrimitiveSceneInfo->Proxy->DrawDynamicElements(
&Drawer,
&View
);
}
}
}
bDirty |= Drawer.IsDirty();
}
}
GSceneRenderTargets.FinishRenderingPrePass();
return bDirty;
}
void FForwardShadingSceneRenderer::RenderForwardShadingBasePass()
{
SCOPED_DRAW_EVENT(BasePass, DEC_SCENE_ITEMS);
SCOPE_CYCLE_COUNTER(STAT_BasePassDrawTime);
EBasePassSort::Type SortMode = GetSortMode();
int32 MaxDraws = GMaxBasePassDraws.GetValueOnRenderThread();
if (MaxDraws <= 0)
{
MaxDraws = MAX_int32;
}
if (SortMode == EBasePassSort::SortStateBuckets)
{
SCOPE_CYCLE_COUNTER(STAT_SortStaticDrawLists);
for (int32 DrawType = 0; DrawType < FScene::EBasePass_MAX; DrawType++)
{
Scene->BasePassForForwardShadingLowQualityLightMapDrawList[DrawType].SortFrontToBack(Views[0].ViewLocation);
Scene->BasePassForForwardShadingDistanceFieldShadowMapLightMapDrawList[DrawType].SortFrontToBack(Views[0].ViewLocation);
Scene->BasePassForForwardShadingDirectionalLightAndSHIndirectDrawList[DrawType].SortFrontToBack(Views[0].ViewLocation);
Scene->BasePassForForwardShadingNoLightMapDrawList[DrawType].SortFrontToBack(Views[0].ViewLocation);
}
}
// Draw the scene's emissive and light-map color.
for (int32 ViewIndex = 0; ViewIndex < Views.Num(); ViewIndex++)
{
SCOPED_CONDITIONAL_DRAW_EVENTF(EventView, Views.Num() > 1, DEC_SCENE_ITEMS, TEXT("View%d"), ViewIndex);
FViewInfo& View = Views[ViewIndex];
// Opaque blending
RHISetBlendState(TStaticBlendStateWriteMask<CW_RGBA>::GetRHI());
// Note, this is a reversed Z depth surface, using CF_GreaterEqual.
RHISetDepthStencilState(TStaticDepthStencilState<true, CF_GreaterEqual>::GetRHI());
RHISetViewport(View.ViewRect.Min.X, View.ViewRect.Min.Y, 0, View.ViewRect.Max.X, View.ViewRect.Max.Y, 1);
// Render the base pass static data
if (SortMode == EBasePassSort::SortPerMesh)
{
SCOPE_CYCLE_COUNTER(STAT_StaticDrawListDrawTime);
MaxDraws -= Scene->BasePassForForwardShadingLowQualityLightMapDrawList[FScene::EBasePass_Default].DrawVisibleFrontToBack(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility,MaxDraws);
MaxDraws -= Scene->BasePassForForwardShadingDistanceFieldShadowMapLightMapDrawList[FScene::EBasePass_Default].DrawVisibleFrontToBack(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility,MaxDraws);
MaxDraws -= Scene->BasePassForForwardShadingDirectionalLightAndSHIndirectDrawList[FScene::EBasePass_Default].DrawVisibleFrontToBack(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility,MaxDraws);
MaxDraws -= Scene->BasePassForForwardShadingNoLightMapDrawList[FScene::EBasePass_Default].DrawVisibleFrontToBack(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility,MaxDraws);
}
else
{
SCOPE_CYCLE_COUNTER(STAT_StaticDrawListDrawTime);
Scene->BasePassForForwardShadingLowQualityLightMapDrawList[FScene::EBasePass_Default].DrawVisible(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility);
Scene->BasePassForForwardShadingDistanceFieldShadowMapLightMapDrawList[FScene::EBasePass_Default].DrawVisible(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility);
Scene->BasePassForForwardShadingDirectionalLightAndSHIndirectDrawList[FScene::EBasePass_Default].DrawVisible(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility);
Scene->BasePassForForwardShadingNoLightMapDrawList[FScene::EBasePass_Default].DrawVisible(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility);
}
{
SCOPE_CYCLE_COUNTER(STAT_DynamicPrimitiveDrawTime);
SCOPED_DRAW_EVENT(Dynamic, DEC_SCENE_ITEMS);
if (View.VisibleDynamicPrimitives.Num() > 0)
{
// Draw the dynamic non-occluded primitives using a base pass drawing policy.
TDynamicPrimitiveDrawer<FBasePassForwardOpaqueDrawingPolicyFactory> Drawer(&View, FBasePassForwardOpaqueDrawingPolicyFactory::ContextType(ESceneRenderTargetsMode::DontSet), true);
for (int32 PrimitiveIndex = 0; PrimitiveIndex < View.VisibleDynamicPrimitives.Num(); PrimitiveIndex++)
{
const FPrimitiveSceneInfo* PrimitiveSceneInfo = View.VisibleDynamicPrimitives[PrimitiveIndex];
int32 PrimitiveId = PrimitiveSceneInfo->GetIndex();
const FPrimitiveViewRelevance& PrimitiveViewRelevance = View.PrimitiveViewRelevanceMap[PrimitiveId];
const bool bVisible = View.PrimitiveVisibilityMap[PrimitiveId];
// Only draw the primitive if it's visible
if (bVisible &&
// only draw opaque and masked primitives if wireframe is disabled
(PrimitiveViewRelevance.bOpaqueRelevance || ViewFamily.EngineShowFlags.Wireframe))
{
FScopeCycleCounter Context(PrimitiveSceneInfo->Proxy->GetStatId());
Drawer.SetPrimitive(PrimitiveSceneInfo->Proxy);
PrimitiveSceneInfo->Proxy->DrawDynamicElements(&Drawer, &View);
}
}
}
const bool bNeedToSwitchVerticalAxis = IsES2Platform(GRHIShaderPlatform) && !IsPCPlatform(GRHIShaderPlatform);
// Draw the base pass for the view's batched mesh elements.
DrawViewElements<FBasePassForwardOpaqueDrawingPolicyFactory>(View,FBasePassForwardOpaqueDrawingPolicyFactory::ContextType(ESceneRenderTargetsMode::DontSet), SDPG_World, true);
// Draw the view's batched simple elements(lines, sprites, etc).
View.BatchedViewElements.Draw(bNeedToSwitchVerticalAxis, View.ViewProjectionMatrix, View.ViewRect.Width(), View.ViewRect.Height(), false);
// Draw foreground objects last
DrawViewElements<FBasePassForwardOpaqueDrawingPolicyFactory>(View,FBasePassForwardOpaqueDrawingPolicyFactory::ContextType(ESceneRenderTargetsMode::DontSet), SDPG_Foreground, true);
// Draw the view's batched simple elements(lines, sprites, etc).
View.TopBatchedViewElements.Draw(bNeedToSwitchVerticalAxis, View.ViewProjectionMatrix, View.ViewRect.Width(), View.ViewRect.Height(), false);
}
// Issue static draw list masked draw calls last, as PVR wants it
if (SortMode == EBasePassSort::SortPerMesh)
{
SCOPE_CYCLE_COUNTER(STAT_StaticDrawListDrawTime);
MaxDraws -= Scene->BasePassForForwardShadingNoLightMapDrawList[FScene::EBasePass_Masked].DrawVisibleFrontToBack(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility,MaxDraws);
MaxDraws -= Scene->BasePassForForwardShadingLowQualityLightMapDrawList[FScene::EBasePass_Masked].DrawVisibleFrontToBack(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility,MaxDraws);
MaxDraws -= Scene->BasePassForForwardShadingDistanceFieldShadowMapLightMapDrawList[FScene::EBasePass_Masked].DrawVisibleFrontToBack(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility,MaxDraws);
MaxDraws -= Scene->BasePassForForwardShadingDirectionalLightAndSHIndirectDrawList[FScene::EBasePass_Masked].DrawVisibleFrontToBack(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility,MaxDraws);
}
else
{
SCOPE_CYCLE_COUNTER(STAT_StaticDrawListDrawTime);
Scene->BasePassForForwardShadingNoLightMapDrawList[FScene::EBasePass_Masked].DrawVisible(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility);
Scene->BasePassForForwardShadingLowQualityLightMapDrawList[FScene::EBasePass_Masked].DrawVisible(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility);
Scene->BasePassForForwardShadingDistanceFieldShadowMapLightMapDrawList[FScene::EBasePass_Masked].DrawVisible(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility);
Scene->BasePassForForwardShadingDirectionalLightAndSHIndirectDrawList[FScene::EBasePass_Masked].DrawVisible(View,View.StaticMeshVisibilityMap,View.StaticMeshBatchVisibility);
}
}
}
virtual void draw(Screen::AScreen &screen, gdl::Clock const &clock)
{
std::for_each(_todraw.begin(), _todraw.end(), Drawer(screen, clock));
}
void FRCPassPostProcessSelectionOutlineColor::Process(FRenderingCompositePassContext& Context)
{
SCOPED_DRAW_EVENT(Context.RHICmdList, PostProcessSelectionOutlineBuffer, DEC_SCENE_ITEMS);
const FPooledRenderTargetDesc* SceneColorInputDesc = GetInputDesc(ePId_Input0);
if(!SceneColorInputDesc)
{
// input is not hooked up correctly
return;
}
const FViewInfo& View = Context.View;
FIntRect ViewRect = View.ViewRect;
FIntPoint SrcSize = SceneColorInputDesc->Extent;
// Get the output render target
const FSceneRenderTargetItem& DestRenderTarget = PassOutputs[0].RequestSurface(Context);
// Set the render target/viewport.
SetRenderTarget(Context.RHICmdList, FTextureRHIParamRef(), DestRenderTarget.TargetableTexture);
// This is a reversed Z depth surface, so 0.0f is the far plane.
Context.RHICmdList.Clear(false, FLinearColor(0, 0, 0, 0), true, 0.0f, true, 0, FIntRect());
Context.SetViewportAndCallRHI(ViewRect);
if (View.Family->EngineShowFlags.Selection)
{
const bool bUseGetMeshElements = ShouldUseGetDynamicMeshElements();
if (bUseGetMeshElements)
{
FHitProxyDrawingPolicyFactory::ContextType FactoryContext;
//@todo - use memstack
TMap<FName, int32> ActorNameToStencilIndex;
ActorNameToStencilIndex.Add(NAME_BSP, 1);
Context.RHICmdList.SetRasterizerState(TStaticRasterizerState<>::GetRHI());
Context.RHICmdList.SetBlendState(TStaticBlendStateWriteMask<CW_NONE, CW_NONE, CW_NONE, CW_NONE>::GetRHI());
for (int32 MeshBatchIndex = 0; MeshBatchIndex < View.DynamicMeshElements.Num(); MeshBatchIndex++)
{
const FMeshBatchAndRelevance& MeshBatchAndRelevance = View.DynamicMeshElements[MeshBatchIndex];
const FPrimitiveSceneProxy* PrimitiveSceneProxy = MeshBatchAndRelevance.PrimitiveSceneProxy;
if (PrimitiveSceneProxy->IsSelected() && MeshBatchAndRelevance.Mesh->bUseSelectionOutline)
{
const int32* AssignedStencilIndexPtr = ActorNameToStencilIndex.Find(PrimitiveSceneProxy->GetOwnerName());
if (!AssignedStencilIndexPtr)
{
AssignedStencilIndexPtr = &ActorNameToStencilIndex.Add(PrimitiveSceneProxy->GetOwnerName(), ActorNameToStencilIndex.Num() + 1);
}
// This is a reversed Z depth surface, using CF_GreaterEqual.
// Note that the stencil value will overflow with enough selected objects
Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<true, CF_GreaterEqual, true, CF_Always, SO_Keep, SO_Keep, SO_Replace>::GetRHI(), *AssignedStencilIndexPtr);
const FMeshBatch& MeshBatch = *MeshBatchAndRelevance.Mesh;
FHitProxyDrawingPolicyFactory::DrawDynamicMesh(Context.RHICmdList, View, FactoryContext, MeshBatch, false, true, MeshBatchAndRelevance.PrimitiveSceneProxy, MeshBatch.BatchHitProxyId);
}
}
}
else if (View.VisibleDynamicPrimitives.Num() > 0)
{
TDynamicPrimitiveDrawer<FHitProxyDrawingPolicyFactory> Drawer(Context.RHICmdList, &View, FHitProxyDrawingPolicyFactory::ContextType(), true, false, false, true);
TMultiMap<FName, const FPrimitiveSceneInfo*> PrimitivesByActor;
for (int32 PrimitiveIndex = 0; PrimitiveIndex < View.VisibleDynamicPrimitives.Num();PrimitiveIndex++)
{
const FPrimitiveSceneInfo* PrimitiveSceneInfo = View.VisibleDynamicPrimitives[PrimitiveIndex];
// Only draw the primitive if relevant
if(PrimitiveSceneInfo->Proxy->IsSelected())
{
PrimitivesByActor.Add(PrimitiveSceneInfo->Proxy->GetOwnerName(), PrimitiveSceneInfo);
}
}
if (PrimitivesByActor.Num())
{
// 0 means no object, 1 means BSP so we start with 2
uint32 StencilValue = 2;
Context.RHICmdList.SetRasterizerState(TStaticRasterizerState<>::GetRHI());
Context.RHICmdList.SetBlendState(TStaticBlendStateWriteMask<CW_NONE, CW_NONE, CW_NONE, CW_NONE>::GetRHI());
// Sort by actor
TArray<FName> Actors;
PrimitivesByActor.GetKeys(Actors);
for( TArray<FName>::TConstIterator ActorIt(Actors); ActorIt; ++ActorIt )
{
bool bBSP = *ActorIt == NAME_BSP;
if (bBSP)
{
// This is a reversed Z depth surface, using CF_GreaterEqual.
Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<true, CF_GreaterEqual, true, CF_Always, SO_Keep, SO_Keep, SO_Replace>::GetRHI(), 1);
}
else
{
// This is a reversed Z depth surface, using CF_GreaterEqual.
Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<true, CF_GreaterEqual, true, CF_Always, SO_Keep, SO_Keep, SO_Replace>::GetRHI(), StencilValue);
// we want to use 1..255 for all objects, not correct silhouettes after that is acceptable
StencilValue = (StencilValue == 255) ? 2 : (StencilValue + 1);
}
TArray<const FPrimitiveSceneInfo*> Primitives;
PrimitivesByActor.MultiFind(*ActorIt, Primitives);
for( TArray<const FPrimitiveSceneInfo*>::TConstIterator PrimIt(Primitives); PrimIt; ++PrimIt )
{
const FPrimitiveSceneInfo* PrimitiveSceneInfo = *PrimIt;
// Render the object to the stencil/depth buffer
Drawer.SetPrimitive(PrimitiveSceneInfo->Proxy);
PrimitiveSceneInfo->Proxy->DrawDynamicElements(&Drawer, &View);
}
}
}
}
// to get an outline around the objects if it's partly outside of the screen
{
FIntRect InnerRect = ViewRect;
// 1 as we have an outline that is that thick
InnerRect.InflateRect(-1);
// We could use Clear with InnerRect but this is just an optimization - on some hardware it might do a full clear (and we cannot disable yet)
// RHICmdList.Clear(false, FLinearColor(0, 0, 0, 0), true, 0.0f, true, 0, InnerRect);
// so we to 4 clears - one for each border.
// top
Context.RHICmdList.SetScissorRect(true, ViewRect.Min.X, ViewRect.Min.Y, ViewRect.Max.X, InnerRect.Min.Y);
Context.RHICmdList.Clear(false, FLinearColor(0, 0, 0, 0), true, 0.0f, true, 0, FIntRect());
// bottom
Context.RHICmdList.SetScissorRect(true, ViewRect.Min.X, InnerRect.Max.Y, ViewRect.Max.X, ViewRect.Max.Y);
Context.RHICmdList.Clear(false, FLinearColor(0, 0, 0, 0), true, 0.0f, true, 0, FIntRect());
// left
Context.RHICmdList.SetScissorRect(true, ViewRect.Min.X, ViewRect.Min.Y, InnerRect.Min.X, ViewRect.Max.Y);
Context.RHICmdList.Clear(false, FLinearColor(0, 0, 0, 0), true, 0.0f, true, 0, FIntRect());
// right
Context.RHICmdList.SetScissorRect(true, InnerRect.Max.X, ViewRect.Min.Y, ViewRect.Max.X, ViewRect.Max.Y);
Context.RHICmdList.Clear(false, FLinearColor(0, 0, 0, 0), true, 0.0f, true, 0, FIntRect());
Context.RHICmdList.SetScissorRect(false, 0, 0, 0, 0);
}
}
// Resolve to the output
Context.RHICmdList.CopyToResolveTarget(DestRenderTarget.TargetableTexture, DestRenderTarget.ShaderResourceTexture, false, FResolveParams());
}