source: data/data_extern/programs/Cg/Bloom2_ps20.cg

//---------------------------------------------
// Bloom


float4 main(float2 texCoord: TEXCOORD0,
                uniform sampler RT: register(s0),
                uniform sampler Blur1: register(s1),
                uniform float OriginalImageWeight,
                uniform float BlurWeight
                ) : COLOR {


        float4 sharp = tex2D(RT,   texCoord);
        float4 blur  = tex2D(Blur1, texCoord);

        //return blur*0.5+sharp*0.5;
        return blur*BlurWeight+sharp*OriginalImageWeight;
        //return blur;

        //return ( sharp + blur * 1.8 ) / 2;

//      return (sharp*3/6 + (blur*4/6))*float4(1.5, 1.5, 1.5, 1);;

//      float4 color    = lerp( sharp, blur, 0.4f );

//      return color;


/*
        return ( sharp + blur * 1.8 ) / 2 +
                         luminance(blur) * 
                         float4( 0.5, 0.5, 0.5, 0) +
                         luminance(sharp) *
                         float4( 0.3, 0.3, 0.3, 0);
*/
/*
        return ( sharp + blur * 0.9) / 2 +
                         luminance(blur) * float4(0.1, 0.15, 0.7, 0);
*/

/*
        return ( sharp + blur * 0.9) / 2 +
                         luminance(blur) * float4(0.1, 0.15, 0.7, 0);
*/

//      float4 retColor = luminance( sharp ) +
//                                                      luminance( blur ) + blur / 2;
//      return retColor;
}