3 GL_EXT_shader_integer_mix
6 #extension GL_EXT_shader_integer_mix: enable
11 uniform bool selector;
15 if (mix(a, b, selector)) {
16 color = vec4(0, 1, 0, 1);
18 color = vec4(1, 0, 0, 1);
20 gl_Position = gl_Vertex;
34 uniform int selector 0
37 probe all rgba 0 1 0 1