port from perforce

underwater4k/vertex.glsl

@@ -0,0 +1,9 @@
+varying vec4 Y;
+varying vec2 Z;
+
+void main()
+{
+	Y = gl_Color;
+	Z = (gl_Vertex.xy*vec2(1.7777,1.0))*0.5+0.5;
+	gl_Position = gl_Vertex;
+}