src/mesa/drivers/dri/ffb/ffb_pointtmp.h

   1 /* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_pointtmp.h,v 1.3 2002/02/22 21:32:59 dawes Exp $ */
   2
   3 static INLINE void TAG(ffb_draw_point)(GLcontext *ctx, ffb_vertex *tmp )
   4 {
   5         ffbContextPtr fmesa = FFB_CONTEXT(ctx);
   6         ffb_fbcPtr ffb = fmesa->regs;
   7         FFB_DELAYED_VIEWPORT_VARS;
   8
   9 #ifdef FFB_POINT_TRACE
  10         fprintf(stderr, "FFB: ffb_point ["
  11 #if (IND & FFB_POINT_AA_BIT)
  12                 "AA"
  13 #endif
  14                 "] X(%f) Y(%f) Z(%f)\n",
  15                 tmp->x, tmp->y, tmp->z);
  16 #endif
  17
  18 #if (IND & FFB_POINT_AA_BIT)
  19         FFBFifo(fmesa, 4);
  20
  21         ffb->fg = FFB_PACK_CONST_UBYTE_ARGB_COLOR( tmp->color[0] );
  22         ffb->z = FFB_GET_Z(tmp);
  23         ffb->y = FFB_GET_Y(tmp) + 0x8000 /* FIX ME */;
  24         ffb->x = FFB_GET_X(tmp) + 0x8000 /* FIX ME */;
  25 #else
  26         {
  27                 unsigned int const_fg, const_z, h, w;
  28
  29                 const_fg = FFB_PACK_CONST_UBYTE_ARGB_COLOR( tmp->color[0] );
  30                 const_z = Z_FROM_MESA(FFB_Z_TO_FLOAT(FFB_GET_Z(tmp)));
  31                 h = FFB_GET_Y(tmp) >> 16;
  32                 w = FFB_GET_X(tmp) >> 16;
  33 #ifdef FFB_POINT_TRACE
  34                 fprintf(stderr, "FFB: ffb_point fg(%08x) z(%08x) h(%08x) w(%08x)\n",
  35                         const_fg, const_z, h, w);
  36 #endif
  37                 FFBFifo(fmesa, 4);
  38                 ffb->fg = const_fg;
  39                 ffb->constz = const_z;
  40                 ffb->bh = h;
  41                 ffb->bw = w;
  42         }
  43 #endif
  44
  45         fmesa->ffbScreen->rp_active = 1;
  46 }
  47
  48
  49 static void TAG(init)(void)
  50 {
  51         ffb_point_tab[IND] = TAG(ffb_draw_point);
  52 }
  53
  54 #undef IND
  55 #undef TAG