Ray tracing texturing and alpha mapping sample

data/shaders/glsl/raytracingtextures/closesthit.rchit

@@ -1,4 +1,11 @@
+/* Copyright (c) 2023, Sascha Willems
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
 #version 460
+
 #extension GL_EXT_ray_tracing : require
 #extension GL_GOOGLE_include_directive : require
 #extension GL_EXT_nonuniform_qualifier : require
@@ -9,14 +16,16 @@
 layout(location = 0) rayPayloadInEXT vec3 hitValue;
 hitAttributeEXT vec2 attribs;
 
-#include "_bufferreferences.glsl"
-#include "_geometrytypes.glsl"
+layout(binding = 3, set = 0) uniform sampler2D image;
+
+#include "bufferreferences.glsl"
+#include "geometrytypes.glsl"
 
 void main()
 {
 	Triangle tri = unpackTriangle(gl_PrimitiveID, 32);
 	hitValue = vec3(tri.uv, 0.0f);
+	// Fetch the color for this ray hit from the texture at the current uv coordinates
 	vec4 color = texture(image, tri.uv);
 	hitValue = color.rgb;
-
 }