begin test opengl ugui renderer

opengl-ren/vertex.glsl

@@ -0,0 +1,14 @@
+#version 330
+
+// use the input ("in") vertices from index zero
+layout(location = 0) in vec2 position;
+layout(location = 1) in vec4 color;
+
+flat out vec4 out_color;
+
+void main()
+{
+	// simply copy teh output position
+	gl_Position = vec4(position.x, position.y, 0.0f, 1.0f);
+	out_color = color;
+}