void FForwardShadingSceneRenderer::ConditionalResolveSceneDepth(FRHICommandListImmediate& RHICmdList)
{
FSceneRenderTargets& SceneContext = FSceneRenderTargets::Get(RHICmdList);
SceneContext.ResolveSceneDepthToAuxiliaryTexture(RHICmdList);
#if !PLATFORM_HTML5
auto ShaderPlatform = ViewFamily.GetShaderPlatform();
if (IsMobilePlatform(ShaderPlatform)
&& !IsPCPlatform(ShaderPlatform)) // exclude mobile emulation on PC
{
bool bSceneDepthInAlpha = (SceneContext.GetSceneColor()->GetDesc().Format == PF_FloatRGBA);
bool bOnChipDepthFetch = (GSupportsShaderDepthStencilFetch || (bSceneDepthInAlpha && GSupportsShaderFramebufferFetch));
if (!bOnChipDepthFetch)
{
// Only these features require depth texture
bool bDecals = ViewFamily.EngineShowFlags.Decals && Scene->Decals.Num();
bool bModulatedShadows = ViewFamily.EngineShowFlags.DynamicShadows && GetShadowQuality() > 0 && bModulatedShadowsInUse;
if (bDecals || bModulatedShadows)
{
// Switch target to force hardware flush current depth to texture
FTextureRHIRef DummySceneColor = GSystemTextures.BlackDummy->GetRenderTargetItem().TargetableTexture;
FTextureRHIRef DummyDepthTarget = GSystemTextures.DepthDummy->GetRenderTargetItem().TargetableTexture;
SetRenderTarget(RHICmdList, DummySceneColor, DummyDepthTarget, ESimpleRenderTargetMode::EUninitializedColorClearDepth, FExclusiveDepthStencil::DepthWrite_StencilWrite);
RHICmdList.DiscardRenderTargets(true, true, 0);
}
}
}
#endif //!PLATFORM_HTML5
}
/**
* Initialize scene's views.
* Check visibility, sort translucent items, etc.
*/
void FForwardShadingSceneRenderer::InitViews(FRHICommandListImmediate& RHICmdList)
{
SCOPED_DRAW_EVENT(RHICmdList, InitViews);
SCOPE_CYCLE_COUNTER(STAT_InitViewsTime);
FILCUpdatePrimTaskData ILCTaskData;
PreVisibilityFrameSetup(RHICmdList);
ComputeViewVisibility(RHICmdList);
PostVisibilityFrameSetup(ILCTaskData);
bool bDynamicShadows = ViewFamily.EngineShowFlags.DynamicShadows && GetShadowQuality() > 0;
if (bDynamicShadows && !IsSimpleDynamicLightingEnabled())
{
// Setup dynamic shadows.
InitDynamicShadows(RHICmdList);
}
// if we kicked off ILC update via task, wait and finalize.
if (ILCTaskData.TaskRef.IsValid())
{
Scene->IndirectLightingCache.FinalizeCacheUpdates(Scene, *this, ILCTaskData);
}
// initialize per-view uniform buffer. Pass in shadow info as necessary.
for (int32 ViewIndex = 0; ViewIndex < Views.Num(); ViewIndex++)
{
const TArray<FProjectedShadowInfo*, SceneRenderingAllocator>* DirectionalLightShadowInfo = nullptr;
FViewInfo& ViewInfo = Views[ViewIndex];
FScene* Scene = (FScene*)ViewInfo.Family->Scene;
if (bDynamicShadows && Scene->SimpleDirectionalLight)
{
int32 LightId = Scene->SimpleDirectionalLight->Id;
if (VisibleLightInfos.IsValidIndex(LightId))
{
const FVisibleLightInfo& VisibleLightInfo = VisibleLightInfos[LightId];
if (VisibleLightInfo.AllProjectedShadows.Num() > 0)
{
DirectionalLightShadowInfo = &VisibleLightInfo.AllProjectedShadows;
}
}
}
// Initialize the view's RHI resources.
Views[ViewIndex].InitRHIResources(DirectionalLightShadowInfo);
}
// Now that the indirect lighting cache is updated, we can update the primitive precomputed lighting buffers.
UpdatePrimitivePrecomputedLightingBuffers();
OnStartFrame();
}
/**
* Initialize scene's views.
* Check visibility, sort translucent items, etc.
*/
void FForwardShadingSceneRenderer::InitViews(FRHICommandListImmediate& RHICmdList)
{
SCOPED_DRAW_EVENT(RHICmdList, InitViews);
SCOPE_CYCLE_COUNTER(STAT_InitViewsTime);
PreVisibilityFrameSetup(RHICmdList);
ComputeViewVisibility(RHICmdList);
PostVisibilityFrameSetup();
bool bDynamicShadows = ViewFamily.EngineShowFlags.DynamicShadows && GetShadowQuality() > 0;
if (bDynamicShadows && !IsSimpleDynamicLightingEnabled())
{
// Setup dynamic shadows.
InitDynamicShadows(RHICmdList);
}
// initialize per-view uniform buffer. Pass in shadow info as necessary.
for (int32 ViewIndex = 0; ViewIndex < Views.Num(); ViewIndex++)
{
const TArray<FProjectedShadowInfo*, SceneRenderingAllocator>* DirectionalLightShadowInfo = nullptr;
FViewInfo& ViewInfo = Views[ViewIndex];
FScene* Scene = (FScene*)ViewInfo.Family->Scene;
if (bDynamicShadows && Scene->SimpleDirectionalLight)
{
int32 LightId = Scene->SimpleDirectionalLight->Id;
if (VisibleLightInfos.IsValidIndex(LightId))
{
const FVisibleLightInfo& VisibleLightInfo = VisibleLightInfos[LightId];
if (VisibleLightInfo.AllProjectedShadows.Num() > 0)
{
DirectionalLightShadowInfo = &VisibleLightInfo.AllProjectedShadows;
}
}
}
// Initialize the view's RHI resources.
Views[ViewIndex].InitRHIResources(DirectionalLightShadowInfo);
}
OnStartFrame();
}
