ch24p3_monochrome.ps

游戏开发特殊技巧-special.effects.game.programming

// this pixel shader renders a monochrome image.

ps.1.1

def c1, 0.5f, 1.0f, 0.3f, 0.0f

tex t0 
tex t1
tex t2
tex t3

dp3 r0, t0, c1
mul r0, r0_bx2, r0_bx2