xps.1.1

; c0 - bumplight color
; c1 - specular shininess
; c2 - material color and alpha 
tex t0
tex t1
;tex t2

dp3  r1, t0_bx2, v0_bx2			; dot product of vertex light vector and normal map
mad t0, r1_sat, c0, v1				; mul by the light color adding the rest of the lights

;mul r1, t2, c1					; specular shininess
;mul r0, r1, t1.a				; specular lighting
;add r1, r0, t1					; add in spec to bumped diffuse
mov r1, t1

;mov r0, t2						; test just spec only

mul r0, t0, r1					; diffuse texture times lighting

mul r1.a, t1.a, c1.a

; test the bumpmap
;mov r0.rgb, t0.rgb


xfc r0_sat, c2_sat, zero_sat, zero_sat, zero_sat, zero_sat, 1-r1.a	; no extra final combiner