Rudimentary geometry shader-based line antialiasing

src/frag.glsl

@@ -1,10 +1,10 @@
 #version 330 core
 
+in vec4 vColour;
+
 out vec4 outColour;
 
-uniform vec4 uColour;
-
 void main()
 {
-	outColour = uColour;
+	outColour = vColour;
 }