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Fix particles on WebGPU to respect format support flags properly

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This commit is contained in:
Wojtek Figat
2026-03-02 23:06:01 +01:00
parent 3b2015e816
commit 23ebb0e754
10 changed files with 171 additions and 72 deletions
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6
Source/Engine/Particles/ParticlesData.cpp
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@@ -167,7 +167,11 @@ bool ParticleBuffer::AllocateSortBuffer()
const int32 sortedIndicesCount = Capacity * Emitter->Graph.SortModules.Count();
uint32 indexSize = sizeof(uint32);
PixelFormat indexFormat = PixelFormat::R32_UInt;
if (Capacity <= MAX_uint16)
auto r16Support = GPUDevice::Instance->GetFormatFeatures(PixelFormat::R16_UInt).Support;
auto indexFormatRequirements = FormatSupport::Buffer | FormatSupport::UnorderedAccessReadOnly;
if (Mode == ParticlesSimulationMode::GPU)
indexFormatRequirements |= FormatSupport::UnorderedAccess;
if (Capacity <= MAX_uint16 && EnumHasAllFlags(r16Support, indexFormatRequirements))
{
// 16-bit indices
indexSize = sizeof(uint16);