#include "VertexShader.h"

#define C_POINT_SIZE c14

;------------------------------------------------------------------------------
; Vertex transformation
;------------------------------------------------------------------------------

; Transform to projection space
m4x4	OPOS, vPos, C_PROJECTION_MATRIX
FIXUP_OPOS

; Compute 1/z
; z/w???
; just 1/w??? this seems to work
dp4 r1.xyzw, vPos, c9 ; C_PROJECTION_MATRIX+3
rcp r0, r1.w

; Copy diffuse color
mul		oD0, vDiffuse, C_MATERIAL_COLOR

; Calculate fog factor
CalculateLayeredFog(vPos, oFog)

mul r0.x, r0.x, C_POINT_SIZE.y ; scale to 480
mul oPts, r0.x, vScale.x