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/* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_vb.h,v 1.2 2002/02/22 21:32:59 dawes Exp $ */
#ifndef _FFB_VB_H
#define _FFB_VB_H
#include "mtypes.h"
#include "macros.h"
#include "tnl/t_context.h"
#include "swrast/swrast.h"
#define __FFB_2_30_FIXED_SCALE 1073741824.0f
#define FFB_2_30_FLOAT_TO_FIXED(X) \
(IROUND((X) * fmesa->ffb_2_30_fixed_scale))
#define FFB_2_30_FIXED_TO_FLOAT(X) \
(((GLfloat)(X)) * fmesa->ffb_one_over_2_30_fixed_scale)
#define __FFB_16_16_FIXED_SCALE 65536.0f
#define FFB_16_16_FLOAT_TO_FIXED(X) \
(IROUND((X) * fmesa->ffb_16_16_fixed_scale))
#define FFB_16_16_FIXED_TO_FLOAT(X) \
(((GLfloat)(X)) * fmesa->ffb_one_over_16_16_fixed_scale)
#define FFB_Z_FROM_FLOAT(VAL) FFB_2_30_FLOAT_TO_FIXED(VAL)
#define FFB_Z_TO_FLOAT(VAL) FFB_2_30_FIXED_TO_FLOAT(VAL)
#define FFB_XY_FROM_FLOAT(VAL) FFB_16_16_FLOAT_TO_FIXED(VAL)
#define FFB_XY_TO_FLOAT(VAL) FFB_16_16_FIXED_TO_FLOAT(VAL)
#define FFB_UBYTE_FROM_COLOR(VAL) ((IROUND((VAL) * fmesa->ffb_ubyte_color_scale)))
#define FFB_PACK_CONST_UBYTE_ARGB_COLOR(C) \
((FFB_UBYTE_FROM_COLOR(C.alpha) << 24) | \
(FFB_UBYTE_FROM_COLOR(C.blue) << 16) | \
(FFB_UBYTE_FROM_COLOR(C.green) << 8) | \
(FFB_UBYTE_FROM_COLOR(C.red) << 0))
#define FFB_COLOR_FROM_FLOAT(VAL) FFB_2_30_FLOAT_TO_FIXED(VAL)
#define _FFB_NEW_VERTEX (_DD_NEW_TRI_LIGHT_TWOSIDE)
extern void ffbDDSetupInit(void);
extern void ffbChooseVertexState(GLcontext *);
extern void ffbInitVB( GLcontext *ctx );
extern void ffbFreeVB( GLcontext *ctx );
#endif /* !(_FFB_VB_H) */
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