#version 150
#extension GL_ARB_shader_atomic_counters : require
out vec4 fragColor;
layout(binding=0, offset=0) uniform atomic_uint ac;
layout(binding=1, offset=0) uniform atomic_uint ac2;
void main()
{
    float counter = float(atomicCounterIncrement(ac));
    float counter2 = float(atomicCounterIncrement(ac2));
    // These are just here so the compiler does not optimize them away.
    float r = (counter/ 255.f) / 255.f;
    float b = (counter2/ 255.f) / 255.f;
    fragColor = vec4(r, 0, b, 1);
}