Implement raytracing extension(s); resolves #3560 for GLSL & SPIR-V targets (#3675)

The following PR implements raytracing extensions (GLSL_EXT_ray_tracing, GLSL_EXT_ray_query, GLSL_NV_shader_invocation_reorder & GLSL_NV_ray_tracing_motion_blur); for GLSL & SPIR-V targets. Fully implements all functions, built-in variables, & syntax; resolves #3560 for GLSL & SPIR-V Targets.

notes of worth:

* __rayPayloadFromLocation, __rayAttributeFromLocation, and __rayCallableFromLocation, were added as SPIR-V Intrinsics to refer to location's of raytracing objects in SPIR-V for when using GLSL syntax.

1 files changed, 8 insertions, 0 deletions

diff --git a/source/slang/slang-emit-glsl.cpp b/source/slang/slang-emit-glsl.cpp
index d37a6840b..7e5c84533 100644
--- a/source/slang/slang-emit-glsl.cpp
+++ b/source/slang/slang-emit-glsl.cpp
@@ -2659,10 +2659,18 @@ void GLSLSourceEmitter::emitVarDecorationsImpl(IRInst* varDecl)
                 prefix = toSlice("callableData");
                 locationValue = getIntVal(decoration->getOperand(0));
                 break;
+            case kIROp_VulkanCallablePayloadInDecoration:
+                prefix = toSlice("callableDataIn");
+                locationValue = getIntVal(decoration->getOperand(0));
+                break;
             case kIROp_VulkanRayPayloadDecoration:
                 prefix = toSlice("rayPayload");
                 locationValue = getIntVal(decoration->getOperand(0));
                 break;
+            case kIROp_VulkanRayPayloadInDecoration:
+                prefix = toSlice("rayPayloadIn");
+                locationValue = getIntVal(decoration->getOperand(0));
+                break;
             case kIROp_VulkanHitObjectAttributesDecoration:
                 prefix = toSlice("hitObjectAttribute");
                 postfix = toSlice("NV");