12 const vec2 c1 = vec2(2.0, 4.0);
13 const vec2 c2 = vec2(1.0, 5.0);
14 const float c = dot(c1, c2);
16 gl_FragColor = vec4(0.0, 1.0, 0.0, 0.0);
18 gl_FragColor = vec4(1.0, 0.0, 0.0, 0.0);
22 clear color 0.0 0.0 0.0 0.0
26 probe rgb 15 15 0.0 1.0 0.0