[require]
GLSL >= 1.20

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

[fragment shader]
#version 120
void main()
{
	float f = 8;
	gl_FragColor = vec4(0, f/10.0, 0, 0.8);
}


[test]
draw rect -1 -1 2 2
probe all rgba 0 0.8 0 0.8