texture ScreenTexture;

sampler TextureSampler = sampler_state
{
    Texture = <ScreenTexture>;
};

float4 PixelShaderFunction(float2 TextureCoordinate : TEXCOORD0) : COLOR0
{
    float4 color = tex2D(TextureSampler, TextureCoordinate);

    color = mul ( color, 255 );

    if ( color.r > 127 )
        {
        color.r = 255;
        }
    else
        {
        color.r = 0;
        }

    if ( color.g > 127 )
        {
        color.g = 255;
        }
    else
        {
        color.g = 0;
        }


    if ( color.b > 127 )
        {
        color.b = 255;
        }
    else
        {
        color.b = 0;
        }

    color = mul ( color, 1/255 );

    return color;
}

technique ShopColors
{
    pass Pass1
    {
        PixelShader = compile ps_2_0 PixelShaderFunction();
    }
}