GoaLitiuM/FlaxEngine
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix bug in new shadows rendering when there are too many lights

Browse Source
This commit is contained in:
Wojtek Figat
2024-10-10 11:19:06 +02:00
parent 73842d9793
commit 79471af0c1
1 changed files with 33 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
Source/Engine/Renderer/ShadowsPass.cpp
View File

@@ -330,6 +330,7 @@ public:
for (auto it = Lights.Begin(); it.IsNotEnd(); ++it)
{
auto& atlasLight = it->Value;
atlasLight.StaticState = ShadowAtlasLight::Unused;
atlasLight.Cache.StaticValid = false;
for (int32 i = 0; i < atlasLight.TilesCount; i++)
atlasLight.Tiles[i].ClearDynamic();
@@ -370,7 +371,8 @@ public:
for (auto& e : Lights)
{
auto& atlasLight = e.Value;
if (atlasLight.StaticState == ShadowAtlasLight::CopyStaticShadow && atlasLight.Bounds.Intersects(bounds))
if ((atlasLight.StaticState == ShadowAtlasLight::CopyStaticShadow || atlasLight.StaticState == ShadowAtlasLight::NoStaticGeometry)
&& atlasLight.Bounds.Intersects(bounds))
{
// Invalidate static shadow
atlasLight.Cache.StaticValid = false;
@@ -719,8 +721,14 @@ bool ShadowsPass::SetupLight(ShadowsCustomBuffer& shadows, RenderContext& render
}
switch (atlasLight.StaticState)
{
case ShadowAtlasLight::CopyStaticShadow:
case ShadowAtlasLight::NoStaticGeometry:
// Light was modified so attempt to find the static shadow again
if (!atlasLight.Cache.StaticValid && atlasLight.HasStaticShadowContext)
{
atlasLight.StaticState = ShadowAtlasLight::WaitForGeometryCheck;
break;
}
case ShadowAtlasLight::CopyStaticShadow:
case ShadowAtlasLight::FailedToInsertTiles:
// Skip collecting static draws
atlasLight.HasStaticShadowContext = false;
@@ -728,7 +736,7 @@ bool ShadowsPass::SetupLight(ShadowsCustomBuffer& shadows, RenderContext& render
}
if (atlasLight.HasStaticShadowContext)
{
// If rendering finds any static draws then it's set to true
// If rendering finds any static draws then it will be set to true
for (auto& tile : atlasLight.Tiles)
tile.HasStaticGeometry = false;
}
@@ -1367,7 +1375,7 @@ void ShadowsPass::RenderShadowMaps(RenderContextBatch& renderContextBatch)
const ShadowsCustomBuffer* shadowsPtr = renderContext.Buffers->FindCustomBuffer<ShadowsCustomBuffer>(TEXT("Shadows"), false);
if (shadowsPtr == nullptr || shadowsPtr->Lights.IsEmpty() || shadowsPtr->LastFrameUsed != Engine::FrameCount)
return;
PROFILE_GPU_CPU("ShadowMaps");
PROFILE_GPU_CPU("Shadow Maps");
const ShadowsCustomBuffer& shadows = *shadowsPtr;
GPUContext* context = GPUDevice::Instance->GetMainContext();
context->ResetSR();
@@ -1384,9 +1392,29 @@ void ShadowsPass::RenderShadowMaps(RenderContextBatch& renderContextBatch)
for (auto& e : shadows.Lights)
{
ShadowAtlasLight& atlasLight = e.Value;
if (atlasLight.StaticState != ShadowAtlasLight::UpdateStaticShadow || !atlasLight.HasStaticShadowContext || atlasLight.ContextCount == 0)
if (!atlasLight.HasStaticShadowContext || atlasLight.ContextCount == 0)
continue;
int32 contextIndex = 0;
if (atlasLight.StaticState == ShadowAtlasLight::WaitForGeometryCheck)
{
// Check for any static geometry to use in static shadow map
for (int32 tileIndex = 0; tileIndex < atlasLight.TilesCount; tileIndex++)
{
ShadowAtlasLightTile& tile = atlasLight.Tiles[tileIndex];
contextIndex++; // Skip dynamic context
auto& shadowContextStatic = renderContextBatch.Contexts[atlasLight.ContextIndex + contextIndex++];
if (!shadowContextStatic.List->DrawCallsLists[(int32)DrawCallsListType::Depth].IsEmpty() || !shadowContextStatic.List->ShadowDepthDrawCallsList.IsEmpty())
{
tile.HasStaticGeometry = true;
}
}
}
if (atlasLight.StaticState != ShadowAtlasLight::UpdateStaticShadow)
continue;
contextIndex = 0;
for (int32 tileIndex = 0; tileIndex < atlasLight.TilesCount; tileIndex++)
{
ShadowAtlasLightTile& tile = atlasLight.Tiles[tileIndex];