1uniform half4 colorGreen, colorRed; 2 3half4 main(float2 coords) { 4 float result = 0; 5 float2x2 a = float2x2(float3x3(1)); result += a[0][0]; 6 float2x2 b = float2x2(float4x4(1)); result += b[0][0]; 7 float3x3 c = float3x3(float4x4(1)); result += c[0][0]; 8 float3x3 d = float3x3(float2x2(1)); result += d[0][0]; 9 float4x4 e = float4x4(float3x3(float2x2(1))); result += e[0][0]; 10 float2x2 f = float2x2(float3x3(float4x4(1))); result += f[0][0]; 11 12 return result == 6 ? colorGreen : colorRed; 13} 14