reflectivebumpmapping.psh

real-time(实时渲染技术DirectX)Media

ps.1.1

;Some ambient light
def c0, 0.1, 0.1, 0.1, 1.0

;This is the normal map
tex t0

;Do the transformation and reflection
texm3x3pad   t1,  t0_bx2
texm3x3pad   t2,  t0_bx2		
texm3x3vspec t3,  t0_bx2

;Get the dot product of the diffuse and the normal map
dp3_sat r0, t0_bx2, v0_bx2

;Add in some ambient
add_sat r0, r0, c0

// result goes in output color
mul r0, r0, t3