RayTCurrent
Description
Returns the current intersection distance or maximum ray distance.
Signature
float RayTCurrent();
Return value
Current t-value for hit shaders or maximum distance for intersection shaders
Remarks
Interpretation depends on shader stage (hit vs. intersection)
Availability and Requirements
Defined for the following targets:
hlsl
Available in stages: closesthit, anyhit, miss, intersection.
glsl
Available in stages: closesthit, anyhit, miss, intersection.
cuda
Available in stages: closesthit, anyhit, miss, intersection.
spirv
Available in stages: closesthit, anyhit, miss, intersection.
Requires capability: spvRayTracingKHR.