GeometryIndex¶
Description¶
Returns the index of the geometry that was hit in an intersection, any-hit, or closest-hit shader.
Signature¶
uint GeometryIndex();
Return value¶
Zero-based index of the geometry in the current instance
Remarks¶
Available in intersection, any-hit, and closest-hit shaders
Availability and Requirements¶
Defined for the following targets:
hlsl¶
Available in stages: intersection, closesthit, anyhit.
glsl¶
Available in stages: intersection, closesthit, anyhit.
spirv¶
Available in stages: intersection, closesthit, anyhit.
Requires capability: spvRayTracingKHR.