; **HEMISPHERE CODE
; Determine if this vert is above or below the light
;  Multiply by our hemisphere light paramter
;  0.0 Means that it's a regular light
;  -1.0 Means that it's an up hemisphere light
;  1.0 Means that it's a down hemisphere light
mul r5.w, r5.y, c[9+%i].w
sge r5.w, r5.w, c[51].z
mul r1.y, r1.y, r5.w