void FIndirectLightingCache::FinalizeUpdateInternal_RenderThread(FScene* Scene, FSceneRenderer& Renderer, TMap<FIntVector, FBlockUpdateInfo>& BlocksToUpdate, const TArray<FIndirectLightingCacheAllocation*>& TransitionsOverTimeToUpdate)
{
check(IsInRenderingThread());
if (IndirectLightingAllowed(Scene, Renderer))
{
{
SCOPE_CYCLE_COUNTER(STAT_UpdateIndirectLightingCacheBlocks);
UpdateBlocks(Scene, Renderer.Views.GetData(), BlocksToUpdate);
}
{
SCOPE_CYCLE_COUNTER(STAT_UpdateIndirectLightingCacheTransitions);
UpdateTransitionsOverTime(TransitionsOverTimeToUpdate, Renderer.ViewFamily.DeltaWorldTime);
}
}
if (GCacheDrawLightingSamples || Renderer.ViewFamily.EngineShowFlags.VolumeLightingSamples || GCacheDrawDirectionalShadowing)
{
FViewElementPDI DebugPDI(Renderer.Views.GetData(), NULL);
for (int32 VolumeIndex = 0; VolumeIndex < Scene->PrecomputedLightVolumes.Num(); VolumeIndex++)
{
const FPrecomputedLightVolume* PrecomputedLightVolume = Scene->PrecomputedLightVolumes[VolumeIndex];
PrecomputedLightVolume->DebugDrawSamples(&DebugPDI, GCacheDrawDirectionalShadowing != 0);
}
}
}
void FIndirectLightingCache::UpdateCache(FScene* Scene, FSceneRenderer& Renderer, bool bAllowUnbuiltPreview)
{
if (IsIndirectLightingCacheAllowed())
{
bool bAnyViewAllowsIndirectLightingCache = false;
for (int32 ViewIndex = 0; ViewIndex < Renderer.Views.Num(); ViewIndex++)
{
bAnyViewAllowsIndirectLightingCache |= Renderer.Views[ViewIndex].Family->EngineShowFlags.IndirectLightingCache;
}
if (bAnyViewAllowsIndirectLightingCache)
{
SCOPE_CYCLE_COUNTER(STAT_UpdateIndirectLightingCache);
TMap<FIntVector, FBlockUpdateInfo> BlocksToUpdate;
TArray<FIndirectLightingCacheAllocation*> TransitionsOverTimeToUpdate;
if (bUpdateAllCacheEntries)
{
const uint32 PrimitiveCount = Scene->Primitives.Num();
for (uint32 PrimitiveIndex = 0; PrimitiveIndex < PrimitiveCount; ++PrimitiveIndex)
{
FPrimitiveSceneInfo* PrimitiveSceneInfo = Scene->Primitives[PrimitiveIndex];
UpdateCachePrimitive(Scene, PrimitiveSceneInfo, false, true, BlocksToUpdate, TransitionsOverTimeToUpdate);
}
}
// Go over the views and operate on any relevant visible primitives
for (int32 ViewIndex = 0; ViewIndex < Renderer.Views.Num(); ViewIndex++)
{
FViewInfo& View = Renderer.Views[ViewIndex];
if (!bUpdateAllCacheEntries)
{
for (FSceneSetBitIterator BitIt(View.PrimitiveVisibilityMap); BitIt; ++BitIt)
{
uint32 PrimitiveIndex = BitIt.GetIndex();
FPrimitiveSceneInfo* PrimitiveSceneInfo = Scene->Primitives[PrimitiveIndex];
const FPrimitiveViewRelevance& PrimitiveRelevance = View.PrimitiveViewRelevanceMap[PrimitiveIndex];
UpdateCachePrimitive(Scene, PrimitiveSceneInfo, bAllowUnbuiltPreview, PrimitiveRelevance.bOpaqueRelevance, BlocksToUpdate, TransitionsOverTimeToUpdate);
}
}
UpdateTranslucentVolumeCache(View, BlocksToUpdate, TransitionsOverTimeToUpdate);
}
UpdateBlocks(Scene, Renderer.Views.GetTypedData(), BlocksToUpdate);
UpdateTransitionsOverTime(TransitionsOverTimeToUpdate, Renderer.ViewFamily.DeltaWorldTime);
if (GCacheDrawLightingSamples || Renderer.ViewFamily.EngineShowFlags.VolumeLightingSamples || GCacheDrawDirectionalShadowing)
{
FViewElementPDI DebugPDI(Renderer.Views.GetTypedData(), NULL);
for (int32 VolumeIndex = 0; VolumeIndex < Scene->PrecomputedLightVolumes.Num(); VolumeIndex++)
{
const FPrecomputedLightVolume* PrecomputedLightVolume = Scene->PrecomputedLightVolumes[VolumeIndex];
PrecomputedLightVolume->DebugDrawSamples(&DebugPDI, GCacheDrawDirectionalShadowing != 0);
}
}
}
bUpdateAllCacheEntries = false;
}
}
