4 [vertex shader passthrough]
10 const vec4 c = vec4(1.0, 0.0, 0.0, 0.0);
13 int f = gl_FrontFacing ? 1 : -1;
15 gl_FragColor = c.yxyx;
16 } else if (f == back) {
17 gl_FragColor = c.yyxx;
19 gl_FragColor = c.xyyx;
29 relative probe rgba (0, 0) (0.0, 1.0, 0.0, 1.0)
30 relative probe rgba (1, 0) (0.0, 1.0, 0.0, 1.0)
31 relative probe rgba (0, 1) (0.0, 0.0, 1.0, 1.0)
32 relative probe rgba (1, 1) (0.0, 0.0, 1.0, 1.0)