float2	FocusPoint = float2(0.5, 0.45);

r4=tex2D(s1, FocusPoint); //GBufferTextureSampler3

r4.y=-_c77.x + _c77.y; //-dofProj.x + dofProj.y

r4.y=1/r4.y;

r4.z=r4.y * _c77.y; //dofProj.y

r4.z=r4.z * -_c77.x; //dofProj.x

r4.x=_c77.y * -r4.y + r4.x;

r4.x=1/r4.x;

r4.y=r4.z * r4.x;	



float cdepth;



cdepth=r4.z * r4.x - _c78.w; //dofDist.w

cdepth+=_c78.y * -r3.w; //dofDist.y

cdepth+=148;//offset





r4.w = tex2D(s0, FocusPoint).w;

if(r4.w > 0)

{

 vDofParams.z = cdepth*6.0;

 vDofParams.y = cdepth;

}