[require]
GLSL >= 1.20

[vertex shader file]
glsl-mvp.vert

[fragment shader]
#version 120
void main() {
   const float sqrt_two_over_two = cos(0.785398163397448);
   const float one = cos(0.0);
   const float one_half = cos(-1.0471975511966);
   gl_FragColor = vec4(sqrt_two_over_two, one, one_half, 1.0);
}

[test]
clear color 0.0 0.0 0.0 0.0
clear
ortho
draw rect 10 10 10 10
probe rgb 15 15 0.707106781186548 1.0 0.5