Added Vulkan examples sources!

data/shaders/shadowmap/cubemapdisplay.frag

@@ -0,0 +1,16 @@
+#version 450
+
+#extension GL_ARB_separate_shader_objects : enable
+#extension GL_ARB_shading_language_420pack : enable
+
+layout (binding = 1) uniform samplerCube shadowCubeMap;
+
+layout (location = 0) in vec3 inUVW;
+
+layout (location = 0) out vec4 outFragColor;
+
+void main() 
+{
+	float dist = length(texture(shadowCubeMap, inUVW).rgb) * 0.005;
+	outFragColor = vec4(vec3(dist), 1.0);
+}