sepia.psh

real-time(实时渲染技术DirectX)Media

ps.1.1

def c1, 0.3, 0.6, 0.1, 1.0
def c2, 0.9, 0.7, 0.3, 1.0
def c3, 0.5, 0.5, 0.5, 1.0

tex t0

;convert to luminance
dp3 r0, t0, c1

;convert to sepia
mul r0, r0, c2