// map 5 + label 
    vs_3_0
    def c4, 0, 1, 0, 0
def c220, 0.15, 0, 0.0625, 0
    dcl_color v0
    dcl_texcoord v1
dcl_2d s0
    dcl_position v2
    dcl_texcoord o0.xy
    dcl_color o1
    dcl_position o2       //to modify
 //   dp4 o2.x, v2, c2    
 //   dp4 o2.y, v2, c3    
 dp4 r3.x, v2, c2	 //change output register for temporary register
 dp4 r3.y, v2, c3	 //change output register for temporary register
    mov r0, c1
    mad o1, v0, r0, c0
    mov o0.xy, v1
//    mov o2.zw, c4.xyxy
mov r3.zw, c4.xyxy      //change output register for temporary register
texldl r1, c220.z, s0    // retrieve values from stereo texture 	
mul r1.x, r1.x, -c220.x  // multiplicity Separation * c220.x 
add r3.x, r3.x, -r1.x    // correct output vertex position
mov o2, r3               // mov from temporary register to output 


