uniform samplerRECT samp0 : register(s0); void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0) { float4 c0 = texRECT(samp0, uv0).rgba; ocol0 = float4(1.0, 1.0, 1.0, 1.0) - c0; }