Raytracing HLSL Intrinsics

The following HLSL intrinisc functions support the Direct3D 12 raytracing pipeline.

In this section

Topic	Description
AcceptHitAndEndSearch function	Used in an any hit shader to commit the current hit and then stop searching for more hits for the ray.
CallShader function	Invokes another shader from within a shader.
IgnoreHit function	Called from an any hit shader to reject the hit and end the shader.
PrimitiveIndex function	Retrieves the autogenerated index of the primitive within the geometry inside the bottom-level acceleration structure instance.
ReportHit function	Called by an intersection shader to report a ray intersection.
TraceRay function	Sends a ray into a search for hits in an acceleration structure.

Related topics

• Core Reference
• Direct3D 12 Reference