[require]
GLSL >= 1.10

[vertex shader]
uniform float one;
uniform int count1, count2;

void main()
{
    vec4 array[8];
    array[0] = vec4(0.1, 0,   0,   0) * one;
    array[1] = vec4(0,   0.1, 0,   0) * one;
    array[2] = vec4(0,   0,   0.1, 0) * one;
    array[3] = vec4(0,   0.1, 0,   0) * one;
    array[4] = vec4(0,   0  , 0.1, 0) * one;
    array[5] = vec4(0,   0,   0.1, 0) * one;
    array[6] = vec4(0.1, 0,   0,   0) * one;
    array[7] = vec4(0,   0.1, 0,   0) * one;
    gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
    vec4 res = vec4(0);
    for (int i = 0; i < count1; i++)
        for (int j = 0; j < count2; j++)
            res += array[i];
    gl_FrontColor = res;
}

[fragment shader]
void main()
{
	gl_FragColor = gl_Color;
}

[test]
ortho
clear color 0.5 0.5 0.5 0.5
clear
uniform float one 1

uniform int count1 0
uniform int count2 0
draw rect 10 10 10 10
probe rgb 15 15 0 0 0

uniform int count1 1
uniform int count2 1
draw rect 30 10 10 10
probe rgb 35 15 0.1 0 0

uniform int count1 3
uniform int count2 1
draw rect 50 10 10 10
probe rgb 55 15 0.1 0.1 0.1

uniform int count1 1
uniform int count2 3
draw rect 70 10 10 10
probe rgb 75 15 0.3 0 0

uniform int count1 2
uniform int count2 3
draw rect 90 10 10 10
probe rgb 95 15 0.3 0.3 0

uniform int count1 4
uniform int count2 2
draw rect 110 10 10 10
probe rgb 115 15 0.2 0.4 0.2

uniform int count1 2
uniform int count2 5
draw rect 130 10 10 10
probe rgb 135 15 0.5 0.5 0

uniform int count1 8
uniform int count2 3
draw rect 150 10 10 10
probe rgb 155 15 0.6 0.9 0.9

uniform int count1 5
uniform int count2 5
draw rect 170 10 10 10
probe rgb 175 15 0.5 1 1

uniform int count1 7
uniform int count2 2
draw rect 190 10 10 10
probe rgb 195 15 0.4 0.4 0.6