[require]
GLSL >= 1.20

[vertex shader file]
glsl-mvp.vert

[fragment shader]
#version 120
void main()
{
    const vec4 v1 = vec4(1.0, 0.0, 2.0, 0.0);
    const vec4 v2 = vec4(0.0, 1.0, 0.0, 2.0);
    const vec4 v3 = vec4(0.5, 0.5, 0.75, 0.25);
    const vec4 vm = mix(v1, v2, v3);
    gl_FragColor = vm;
}

[test]
clear color 0.0 0.0 0.0 0.0
clear
ortho
draw rect 10 10 10 10
probe rgb 15 15 0.5 0.5 0.5