dependentar.nvp

来自「游戏编程精华02－含有几十个游戏编程例子」· NVP 代码 · 共 23 行

;
; DependentAR.nvp
;


#include "PixelConstants.h"




; Declare pixel shader version
ps.1.1


; get colors from all 4 texture stages
tex t0                   ; source texture
texreg2ar t1, t0         ; looup into t1 based on t0 alpha and red


; move result of dependent lookup into output
mov r0, t1