/************************************************************************
BlurBlit.nvp

Simple pixel shader that samples all 4 texture stages, averages these
samples and outputs the result.

Copyright (C) 1999, 2000 NVIDIA Corporation
*************************************************************************/


; Declare pixel shader version
ps.1.1

; get colors from all 4 texture stages
tex t0
tex t1
tex t2
tex t3

mul r0, c0, t0
mad r0, c1, t1, r0
mad r0, c2, t2, r0
mad r0, c3, t3, r0

mul r0.a, r0.a, v0.a