1 /* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_vb.h,v 1.2 2002/02/22 21:32:59 dawes Exp $ */
8 #include "tnl/t_context.h"
9 #include "swrast/swrast.h"
11 #define __FFB_2_30_FIXED_SCALE 1073741824.0f
12 #define FFB_2_30_FLOAT_TO_FIXED(X) \
13 (IROUND((X) * fmesa->ffb_2_30_fixed_scale))
14 #define FFB_2_30_FIXED_TO_FLOAT(X) \
15 (((GLfloat)(X)) * fmesa->ffb_one_over_2_30_fixed_scale)
17 #define __FFB_16_16_FIXED_SCALE 65536.0f
18 #define FFB_16_16_FLOAT_TO_FIXED(X) \
19 (IROUND((X) * fmesa->ffb_16_16_fixed_scale))
20 #define FFB_16_16_FIXED_TO_FLOAT(X) \
21 (((GLfloat)(X)) * fmesa->ffb_one_over_16_16_fixed_scale)
23 #define FFB_Z_FROM_FLOAT(VAL) FFB_2_30_FLOAT_TO_FIXED(VAL)
24 #define FFB_Z_TO_FLOAT(VAL) FFB_2_30_FIXED_TO_FLOAT(VAL)
25 #define FFB_XY_FROM_FLOAT(VAL) FFB_16_16_FLOAT_TO_FIXED(VAL)
26 #define FFB_XY_TO_FLOAT(VAL) FFB_16_16_FIXED_TO_FLOAT(VAL)
28 #define FFB_UBYTE_FROM_COLOR(VAL) ((IROUND((VAL) * fmesa->ffb_ubyte_color_scale)))
30 #define FFB_PACK_CONST_UBYTE_ARGB_COLOR(C) \
31 ((FFB_UBYTE_FROM_COLOR(C.alpha) << 24) | \
32 (FFB_UBYTE_FROM_COLOR(C.blue) << 16) | \
33 (FFB_UBYTE_FROM_COLOR(C.green) << 8) | \
34 (FFB_UBYTE_FROM_COLOR(C.red) << 0))
36 #define FFB_COLOR_FROM_FLOAT(VAL) FFB_2_30_FLOAT_TO_FIXED(VAL)
38 #define _FFB_NEW_VERTEX (_DD_NEW_TRI_LIGHT_TWOSIDE)
40 extern void ffbDDSetupInit(void);
41 extern void ffbChooseVertexState(GLcontext
*);
42 extern void ffbInitVB( GLcontext
*ctx
);
43 extern void ffbFreeVB( GLcontext
*ctx
);
45 #endif /* !(_FFB_VB_H) */