FRAG
PROPERTY FS_COLOR0_WRITES_ALL_CBUFS 1
DCL IN[0], COLOR, COLOR
DCL IN[1], GENERIC[0], PERSPECTIVE
DCL OUT[0], COLOR
DCL SAMP[0]
DCL TEMP[0..1], LOCAL
  0: MOV TEMP[0].xy, IN[1].xyyy
  1: MOV TEMP[0].w, IN[1].wwww
  2: TXP TEMP[0], TEMP[0], SAMP[0], 2D
  3: MUL TEMP[1].xyz, TEMP[0], IN[0]
  4: MOV TEMP[1].xyz, TEMP[1].xyzx
  5: MUL TEMP[0].x, IN[0].wwww, TEMP[0].wwww
  6: MOV TEMP[1].w, TEMP[0].xxxx
  7: MOV OUT[0], TEMP[1]
  8: END