132001f49Smrg
232001f49Smrgvoid main() {
332001f49Smrg   gl_Position = gl_Vertex;
432001f49Smrg   gl_FrontColor = gl_Color;
532001f49Smrg   if (gl_Position.x < 0.5) {
632001f49Smrg      gl_FrontColor.y = 1.0;
732001f49Smrg   }
832001f49Smrg   gl_FrontColor.xzw = vec3(0, 0, 1);
932001f49Smrg}
10