# Bug #30415
[require]
GLSL >= 1.10

[vertex shader]
uniform vec4 coord;

void main()
{
    gl_Position = gl_Vertex;
    gl_TexCoord[0] = coord;
}

[fragment shader]
uniform vec4 vecX, vecY;
uniform int iter;

void main() {
    gl_FragColor.yw = vec2(0);
    bool b = (dot(gl_TexCoord[0], gl_TexCoord[0]) < 4.0);
    gl_FragColor.z = iter == 0 ? vecX.z - vecY.z : 15.0;
    if(b)
        gl_FragColor.x = 1.0;
}

[test]
uniform vec4 coord 1.0 1.0 1.0 0.0
uniform vec4 vecX 1.0 1.0 1.0 1.0
uniform vec4 vecY 0.5 0.5 0.5 1.0
uniform int iter 0
draw rect -1 -1 2 2
probe all rgb 1.0 0.0 0.5