40 lines
1.3 KiB
HLSL
40 lines
1.3 KiB
HLSL
// Visibility function required for the intersection shader
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bool AABBPrimitiveIsVisible(RayTracingProceduralData rtProceduralData, float2 uv)
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{
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//In shadergraph, alpha clipping is handled in the any-hit
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return true;
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}
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/Shaders/Common/RayTracingProcedural.hlsl"
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[shader("intersection")]
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void IntersectionShader()
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{
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UNITY_XR_ASSIGN_VIEW_INDEX(DispatchRaysIndex().z);
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InternalAttributesElement attributes;
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ZERO_INITIALIZE(InternalAttributesElement, attributes);
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// Index needs to be available in the context for the attribute load to work
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uint index, instanceIndex, instanceActiveIndex;
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GetVFXInstancingIndices(index, instanceIndex, instanceActiveIndex);
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#if VFX_USE_GRAPH_VALUES
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$splice(VFXLoadGraphValues)
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#endif
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// Load the VFX attributes that we need for this
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$splice(VFXLoadAttribute)
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$splice(VFXProcessBlocks)
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float3 size3 = GetElementSizeRT(attributes
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#if VFX_USE_GRAPH_VALUES
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, graphValues
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#endif
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);
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// Build the ray tracing procedural data
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RayTracingProceduralData rtProceduralData = BuildRayTracingProceduralData(attributes, size3);
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// Execute the matching intersection code
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IntersectPrimitive(rtProceduralData);
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}
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