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Optimize GPU particles drawing with batched indirect args setup before sorting

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This commit is contained in:
Wojtek Figat
2025-08-07 18:41:58 +02:00
parent 3ffb067e55
commit d4355e31d8
4 changed files with 350 additions and 271 deletions
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2
Source/Engine/Particles/ParticlesData.cpp
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@@ -98,7 +98,6 @@ ParticleBuffer::~ParticleBuffer()
{
SAFE_DELETE_GPU_RESOURCE(GPU.Buffer);
SAFE_DELETE_GPU_RESOURCE(GPU.BufferSecondary);
SAFE_DELETE_GPU_RESOURCE(GPU.IndirectDrawArgsBuffer);
SAFE_DELETE_GPU_RESOURCE(GPU.SortingKeysBuffer);
SAFE_DELETE_GPU_RESOURCE(GPU.SortedIndices);
SAFE_DELETE(GPU.RibbonIndexBufferDynamic);
@@ -146,7 +145,6 @@ bool ParticleBuffer::Init(ParticleEmitter* emitter)
GPU.BufferSecondary = GPUDevice::Instance->CreateBuffer(TEXT("ParticleBuffer B"));
if (GPU.BufferSecondary->Init(GPU.Buffer->GetDescription()))
return true;
GPU.IndirectDrawArgsBuffer = GPUDevice::Instance->CreateBuffer(TEXT("ParticleIndirectDrawArgsBuffer"));
GPU.PendingClear = true;
GPU.HasValidCount = false;
GPU.ParticleCounterOffset = size;