12 vertex_to_gs = vertex;
19 layout(triangle_strip, max_vertices = 3) out;
25 in vec4 vertex_to_gs[3];
30 for (int i = 0; i < 3; i++) {
31 gl_Position = vertex_to_gs[i];
55 uniform vec4 color 0.0 1.0 0.0 0.0
56 draw arrays GL_TRIANGLE_FAN 0 4
57 probe all rgba 0.0 1.0 0.0 0.0