Begin work on the glsl renderer. Renders blue blocks for chrome-rgba.

glsl/world-shp.vert

@@ -0,0 +1,9 @@
+uniform vec2 Scroll;
+uniform vec2 r1;
+uniform vec2 r2;		// matrix elements
+
+void main()
+{
+	vec2 p = (gl_Vertex.xy);
+	gl_Position = gl_Vertex;
+}