12 vertex_to_gs = vertex;
19 layout(triangle_strip, max_vertices = 3) out;
29 in vec4 vertex_to_gs[3];
34 for (int i = 0; i < 3; i++) {
35 gl_Position = vertex_to_gs[i];
38 temp.c = vec4(0.0); /* try, but fail, to prevent copy prop */
39 v = temp.a + temp.b + temp.c + temp.d;
63 uniform vec4 colors.a 0.0 0.0 0.0 0.0
64 uniform vec4 colors.b 0.0 1.0 0.0 0.0
65 uniform vec4 colors.c 1.0 0.0 0.0 0.0
66 uniform vec4 colors.d 0.0 0.0 0.0 0.0
67 draw arrays GL_TRIANGLE_FAN 0 4
68 probe all rgba 0.0 1.0 0.0 0.0