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Optimize emitters to cull shadow passes sorting and drawing

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This commit is contained in:
Wojtek Figat
2025-08-07 23:49:21 +02:00
parent 3d84380175
commit 2a9260ddd5
4 changed files with 19 additions and 10 deletions
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17
Source/Engine/Particles/Particles.cpp
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@@ -178,6 +178,13 @@ void Particles::OnEffectDestroy(ParticleEffect* effect)
#endif
}
bool EmitterUseSorting(RenderContextBatch& renderContextBatch, ParticleBuffer* buffer, DrawPass drawModes, const BoundingSphere& bounds)
{
const RenderView& mainView = renderContextBatch.GetMainContext().View;
drawModes &= mainView.Pass;
return buffer->Emitter->Graph.SortModules.HasItems() && EnumHasAnyFlags(drawModes, DrawPass::Forward) && (mainView.IsCullingDisabled || mainView.CullingFrustum.Intersects(bounds));
}
void DrawEmitterCPU(RenderContextBatch& renderContextBatch, ParticleBuffer* buffer, DrawCall& drawCall, DrawPass drawModes, StaticFlags staticFlags, const BoundingSphere& bounds, uint32 renderModulesIndices, int8 sortOrder)
{
// Skip if CPU buffer is empty
@@ -187,7 +194,7 @@ void DrawEmitterCPU(RenderContextBatch& renderContextBatch, ParticleBuffer* buff
auto emitter = buffer->Emitter;
// Check if need to perform any particles sorting
if (emitter->Graph.SortModules.HasItems() && EnumHasAnyFlags(drawModes, DrawPass::Forward) && (buffer->CPU.Count != 0 || buffer->GPU.SortedIndices))
if (EmitterUseSorting(renderContextBatch, buffer, drawModes, bounds) && (buffer->CPU.Count != 0 || buffer->GPU.SortedIndices))
{
// Prepare sorting data
if (!buffer->GPU.SortedIndices)
@@ -1006,7 +1013,7 @@ void DrawEmitterGPU(RenderContextBatch& renderContextBatch, ParticleBuffer* buff
}
if (indirectArgsSize == 0)
return;
bool sorting = buffer->Emitter->Graph.SortModules.HasItems() && renderContextBatch.GetMainContext().View.Pass != DrawPass::Depth && buffer->GPU.ParticlesCountMax != 0;
bool sorting = EmitterUseSorting(renderContextBatch, buffer, drawModes, bounds) && (buffer->GPU.ParticlesCountMax != 0 || buffer->GPU.SortedIndices);
if (sorting && !buffer->GPU.SortedIndices)
buffer->AllocateSortBuffer();
@@ -1016,7 +1023,7 @@ void DrawEmitterGPU(RenderContextBatch& renderContextBatch, ParticleBuffer* buff
if (GPUEmitterDraws.Count() == 0)
{
// The first emitter schedules the drawing of all batched draws
renderContextBatch.GetMainContext().List->AddDelayedDraw([&renderContextBatch](RenderContext& renderContext)
renderContextBatch.GetMainContext().List->AddDelayedDraw([](RenderContextBatch& renderContextBatch, int32 contextIndex)
{
DrawEmittersGPU(renderContextBatch);
});
@@ -1046,8 +1053,10 @@ void Particles::DrawParticles(RenderContextBatch& renderContextBatch, ParticleEf
const RenderView& view = renderContextBatch.Contexts.Get()[i].View;
const bool visible = (view.Pass & effect->DrawModes) != DrawPass::None && (view.IsCullingDisabled || view.CullingFrustum.Intersects(bounds));
if (visible)
{
viewsMask |= 1ull << (uint64)i;
viewsDrawModes |= view.Pass;
viewsDrawModes |= view.Pass;
}
}
if (viewsMask == 0)
return;