New example, loading glTF scenes instead of individual OBJ. Showing simple path tracing and how to make it 3x faster.

ray_tracing_gltf/shaders/pathtrace.rmiss

@@ -0,0 +1,20 @@
+#version 460
+#extension GL_EXT_ray_tracing : require
+#extension GL_GOOGLE_include_directive : enable
+#include "raycommon.glsl"
+
+layout(location = 0) rayPayloadInEXT hitPayload prd;
+
+layout(push_constant) uniform Constants
+{
+  vec4 clearColor;
+};
+
+void main()
+{
+  if(prd.depth == 0)
+    prd.hitValue = clearColor.xyz * 0.8;
+  else
+    prd.hitValue = vec3(0.01);  // No contribution from environment
+  prd.depth = 100;              // Ending trace
+}