; Single instruction to send the accumulated light
; colors and alpha to the output register.

; Calculates just the reflect vector for environment mapping

#pragma screenspace

xvs.1.1

mov r5, LOCAL_EYE_POINT
sub r5.xyz, r10.xyz, r5.xyz			;r5 = View Vec (Eye->Coord)
dp3 r5.w, r5, r5					; (normalize R5)
rsq r5.w, r5.w									
mul r5, r5, r5.w					;r5 = Normalized View Vec (Eye->Coord)

dp3 r1, r5, r9						;r1 = (E dot N)
mul r2, r1, r9						;r1 = (E dot N)*N
add r1, r2, r2						;r1 = 2*(E dot N)*N
sub r5.xyz, r5.xyz, r1.xyz			;r5 = E - 2*(E dot N)*N

; translate the reflected eye vector into clipping space 
; This is a directional vector- do not add matrix translation

mul r1,  r5.x,  L2W_MATRIX1
mad r2,  r5.y,  L2W_MATRIX2, r1
mad r3,  r5.z,  L2W_MATRIX3, r2

mov oT2, -r3						;Send out reflect vector!
mul oT3.xy, v1, UVSCALE3 ;Make sure I get the spec-map UV's!