34 lines
1.0 KiB
HLSL
34 lines
1.0 KiB
HLSL
// Output Type: Mesh
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bool GetMeshAndElementIndex(inout VFX_SRP_ATTRIBUTES input, inout AttributesElement element)
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{
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uint index = VFX_GET_INSTANCE_ID(input);
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$splice(VFXInitInstancing)
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#ifdef UNITY_INSTANCING_ENABLED
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input.instanceID = unity_InstanceID;
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#endif
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$splice(VFXLoadContextData)
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uint systemSeed = contextData.systemSeed;
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uint nbMax = contextData.maxParticleCount;
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if (ShouldCullElement(index, instanceIndex, nbMax))
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return false;
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#if VFX_HAS_INDIRECT_DRAW
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index = indirectBuffer[VFXGetIndirectBufferIndex(index, instanceActiveIndex)];
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#endif
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#if HAS_STRIPS_DATA
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StripData stripData = GetStripDataFromParticleIndex(index, instanceIndex);
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element.relativeIndexInStrip = GetRelativeIndex(index, stripData);
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element.stripData = stripData;
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#endif
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element.index = index;
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element.instanceIndex = instanceIndex;
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element.instanceActiveIndex = instanceActiveIndex;
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// Mesh requires no preliminary configuration.
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return true;
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}
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