// uses non square matrices, should result in errors on GLSL 1.10 / ES 1.00

uniform float2x3 u23;
uniform float4x3 u43;
uniform float3x2 u32;

float2 mat_downcast(float2x2 m)
{
    return m[0].xx;
}

uniform float val;

float4 main() : COLOR0
{
    float4x4 m = val;
    float2x4 m2 = m;
    float2x2 m3 = m;
    float3x2 m4 = m;
    float3x3 m5 = m;
    
    return float4(m[3] * mat_downcast(m2), 0, 0);
}