[require]
GLSL >= 1.20

[vertex shader]
void main()
{
	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
}

[fragment shader]
void main()
{
    const vec3 v1 = vec3(-1.0, 0.0, 0.0);
    const vec3 v2 = vec3(0.70710678, 0.70710678, 0.0);
    const vec3 r = reflect(v1, v2);
    gl_FragColor = vec4(r, 1.0);
}

[test]
draw rect -1 -1 2 2
probe all rgb 0 1 0