Remove HLSL support for HitObject.GetObjectRayOrigin/Direction in raygen stage

HLSL does not support ObjectRayOrigin/ObjectRayDirection intrinsics in raygen stage.
These are only available in anyhit/closesthit/intersection shaders and not supported by NVAPI.

Author: szihs

source/slang/hlsl.meta.slang

@@ -21297,11 +21297,10 @@ struct HitObject
     }
 
     [ForceInline]
-    [require(cuda_glsl_hlsl_spirv, ser_raygen_closesthit_miss)]
+    [require(cuda_glsl_spirv, ser_raygen_closesthit_miss)]
     float3 GetObjectRayOrigin() {
         __target_switch
         {
-        case hlsl: __intrinsic_asm "ObjectRayOrigin";
         case glsl:
             __intrinsic_asm "hitObjectGetObjectRayOriginNV($0)";
         case cuda: __intrinsic_asm "optixGetObjectRayOrigin()";
@@ -21316,11 +21315,10 @@ struct HitObject
     }
 
     [ForceInline]
-    [require(cuda_glsl_hlsl_spirv, ser_raygen_closesthit_miss)]
+    [require(cuda_glsl_spirv, ser_raygen_closesthit_miss)]
     float3 GetObjectRayDirection() {
         __target_switch
         {
-        case hlsl: __intrinsic_asm "ObjectRayDirection";
         case glsl:
             __intrinsic_asm "hitObjectGetObjectRayDirectionNV($0)";
         case cuda: __intrinsic_asm "optixGetObjectRayDirection()";

tests/hlsl-intrinsic/shader-execution-reordering/hit-object-get-object-ray.slang

@@ -1,4 +1,3 @@
-//TEST:SIMPLE(filecheck=HLSL): -target hlsl -entry rayGenShader -stage raygeneration
 //TEST:SIMPLE(filecheck=SPIRV): -target spirv -entry rayGenShader -stage raygeneration
 //TEST:SIMPLE(filecheck=CUDA): -target cuda -entry rayGenShader -stage raygeneration
 
@@ -36,14 +35,13 @@ void rayGenShader()
     HitObject hitobj = HitObject::TraceRay(sceneBVH, RAY_FLAG_NONE, ~0, 0, 0, 0, ray, payload);
 
     // Test HitObject.GetObjectRayOrigin() and GetObjectRayDirection() in raygen stage
-    // These should compile successfully for HLSL, SPIRV, and CUDA targets
+    // These should compile successfully for SPIRV and CUDA targets
+    // Note: HLSL does not have these methods on HitObject (no NVAPI support)
 
-    // HLSL: ObjectRayOrigin
     // SPIRV: OpHitObjectGetObjectRayOriginNV
     // CUDA: optixGetObjectRayOrigin
     resultBuffer[0].rayOrigin = hitobj.GetObjectRayOrigin();
 
-    // HLSL: ObjectRayDirection
     // SPIRV: OpHitObjectGetObjectRayDirectionNV
     // CUDA: optixGetObjectRayDirection
     resultBuffer[0].rayDirection = hitobj.GetObjectRayDirection();