New version of the samples and tutorials based on KHR_ray_tracing

ray_tracing_manyhits/shaders/raytrace2.rchit

@@ -0,0 +1,17 @@
+#version 460
+#extension GL_EXT_ray_tracing : require
+#extension GL_GOOGLE_include_directive : enable
+
+#include "raycommon.glsl"
+
+layout(location = 0) rayPayloadInEXT hitPayload prd;
+layout(shaderRecordEXT) buffer sr_
+{
+  vec4 c;
+}
+shaderRec;
+
+void main()
+{
+  prd.hitValue = shaderRec.c.rgb;
+}