[pixel shader todo]
uniform float4 f[3];
uniform float2 i;

float4 main() : sv_target
{
    return f[i.x + i.y];
}

[test]
uniform 0 float4 1.0 2.0 3.0 4.0
uniform 4 float4 5.0 6.0 7.0 8.0
uniform 8 float4 9.0 10.0 11.0 12.0
uniform 12 float4 0 0 0 0
todo draw quad
todo probe all rgba (1.0, 2.0, 3.0, 4.0)
uniform 12 float4 1 0 0 0
todo draw quad
todo probe all rgba (5.0, 6.0, 7.0, 8.0)
uniform 12 float4 0 1 0 0
todo draw quad
todo probe all rgba (5.0, 6.0, 7.0, 8.0)
uniform 12 float4 1 1 0 0
todo draw quad
todo probe all rgba (9.0, 10.0, 11.0, 12.0)