mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-17 18:30:58 +00:00
114 lines
2.4 KiB
C
114 lines
2.4 KiB
C
/*
|
|
d_modech.c
|
|
|
|
called when mode has just changed
|
|
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
static __attribute__ ((unused)) const char rcsid[] =
|
|
"$Id$";
|
|
|
|
#include "QF/render.h"
|
|
#include "QF/sys.h"
|
|
|
|
#include "d_local.h"
|
|
|
|
int d_vrectx, d_vrecty, d_vrectright_particle, d_vrectbottom_particle;
|
|
|
|
int d_y_aspect_shift, d_pix_min, d_pix_max, d_pix_shift;
|
|
|
|
int d_scantable[MAXHEIGHT];
|
|
short *zspantable[MAXHEIGHT];
|
|
|
|
|
|
static void
|
|
D_Patch (void)
|
|
{
|
|
#ifdef PIC
|
|
#undef USE_INTEL_ASM //XXX asm pic hack
|
|
#endif
|
|
|
|
#ifdef USE_INTEL_ASM
|
|
|
|
static qboolean protectset8 = false;
|
|
|
|
if (!protectset8) {
|
|
Sys_MakeCodeWriteable ((int) D_PolysetAff8Start,
|
|
(int) D_PolysetAff8End -
|
|
(int) D_PolysetAff8Start);
|
|
protectset8 = true;
|
|
}
|
|
#endif // USE_INTEL_ASM
|
|
}
|
|
|
|
void
|
|
D_ViewChanged (void)
|
|
{
|
|
int rowpixels;
|
|
|
|
if (r_dowarp)
|
|
rowpixels = WARP_WIDTH;
|
|
else
|
|
rowpixels = vid.rowbytes;
|
|
|
|
scale_for_mip = xscale;
|
|
if (yscale > xscale)
|
|
scale_for_mip = yscale;
|
|
|
|
d_zrowbytes = vid.width * 2;
|
|
d_zwidth = vid.width;
|
|
|
|
d_pix_min = r_refdef.vrect.width / 320;
|
|
if (d_pix_min < 1)
|
|
d_pix_min = 1;
|
|
|
|
d_pix_max = (int) ((float) r_refdef.vrect.width / (320.0 / 4.0) + 0.5);
|
|
d_pix_shift = 8 - (int) ((float) r_refdef.vrect.width / 320.0 + 0.5);
|
|
if (d_pix_max < 1)
|
|
d_pix_max = 1;
|
|
|
|
if (pixelAspect > 1.4)
|
|
d_y_aspect_shift = 1;
|
|
else
|
|
d_y_aspect_shift = 0;
|
|
|
|
d_vrectx = r_refdef.vrect.x;
|
|
d_vrecty = r_refdef.vrect.y;
|
|
d_vrectright_particle = r_refdef.vrectright - d_pix_max;
|
|
d_vrectbottom_particle =
|
|
r_refdef.vrectbottom - (d_pix_max << d_y_aspect_shift);
|
|
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < vid.height; i++) {
|
|
d_scantable[i] = i * rowpixels;
|
|
zspantable[i] = d_pzbuffer + i * d_zwidth;
|
|
}
|
|
}
|
|
|
|
D_Patch ();
|
|
}
|