Code cleanup, simplifications, comments

data/shaders/inputattachments/attachmentwrite.frag

@@ -3,10 +3,9 @@
 layout (location = 0) in vec3 inColor;
 
 layout (location = 0) out vec4 outColor;
-layout (location = 1) out float outDepth;
 
 void main() 
 {
 	outColor = vec4(inColor, 0.0);
-	outDepth = gl_FragDepth;
+	// Depth attachment does not need to be explicitly written
 }