Adding a simple example demonstrating how to use SBT record data

data/shaders/glsl/raytracingsbtdata/closesthit.rchit

@@ -0,0 +1,19 @@
+#version 460
+#extension GL_EXT_ray_tracing : enable
+#extension GL_EXT_nonuniform_qualifier : enable
+
+layout(location = 0) rayPayloadInEXT vec3 hitValue;
+hitAttributeEXT vec2 attribs;
+
+layout(shaderRecordEXT, std430) buffer SBT {
+  float r;
+  float g;
+  float b;
+};
+
+void main()
+{
+  // Update the hit value to the hit record SBT data associated with this 
+  // geometry ID and ray ID
+  hitValue = vec3(r, g, b);
+}