updating changes to builtins

gprt-org · Dec 31, 2024 · 609c5fa · 609c5fa
1 parent 5c4ecc7
commit 609c5fa
Showing 1 changed file with 29 additions and 2 deletions.
diff --git a/gprt/gprt_builtins.slang b/gprt/gprt_builtins.slang
@@ -63,14 +63,14 @@ public struct PointDesc
   public __init() {};
 };
 
-/// Traces a sphere through the acceleration structure.
+/// Traces a point through the acceleration structure.
 /// @param AccelerationStructure The acceleration structure to traverse
 /// @param RayFlags Flags controlling ray behavior
 /// @param InstanceInclusionMask Mask for filtering instance visibility
 /// @param RayContributionToHitGroupIndex Offset for hit group indexing
 /// @param MultiplierForGeometryContributionToHitGroupIndex Multiplier for geometry-based hit group indexing
 /// @param MissShaderIndex Index of the miss shader to execute if no hit is found
-/// @param Origin The query point origin to trace
+/// @param Point The query point origin to trace
 /// @param Payload Structure for passing data between shaders
 /// @remarks Core ray tracing function for initiating traversal
 /// @category raytracing
@@ -89,4 +89,31 @@ public void TracePoint<payload_t>(
   RaytracingAccelerationStructure accel = getAccelFromAddress(AccelerationStructure.address);
   TraceRay(accel, RayFlags, InstanceInclusionMask, RayContributionToHitGroupIndex, MultiplierForGeometryContributionToHitGroupIndex, MissShaderIndex, { Point.Origin, 0.0, float3(1.0), 0.0 }, Payload);
 }
+
+/// Traces a point through the acceleration structure.
+/// @param AccelerationStructure The acceleration structure to traverse
+/// @param RayFlags Flags controlling ray behavior
+/// @param InstanceInclusionMask Mask for filtering instance visibility
+/// @param RayContributionToHitGroupIndex Offset for hit group indexing
+/// @param MultiplierForGeometryContributionToHitGroupIndex Multiplier for geometry-based hit group indexing
+/// @param MissShaderIndex Index of the miss shader to execute if no hit is found
+/// @param Ray Description of the ray to trace
+/// @param Payload Structure for passing data between shaders
+/// @remarks Core ray tracing function for initiating traversal
+/// @category raytracing
+[ForceInline]
+[require(cuda_glsl_hlsl_spirv, raytracing_raygen_closesthit_miss)]
+public void TraceRay<payload_t>(
+    SurfaceAccelerationStructure    AccelerationStructure,
+    uint                            RayFlags,
+    uint                            InstanceInclusionMask,
+    uint                            RayContributionToHitGroupIndex,
+    uint                            MultiplierForGeometryContributionToHitGroupIndex,
+    uint                            MissShaderIndex,
+    RayDesc                         Ray,
+    inout payload_t                 Payload)
+{
+  RaytracingAccelerationStructure accel = getAccelFromAddress(AccelerationStructure.address);
+  TraceRay(accel, RayFlags, InstanceInclusionMask, RayContributionToHitGroupIndex, MultiplierForGeometryContributionToHitGroupIndex, MissShaderIndex, Ray, Payload);
+}
 #endif