forked from KolibriOS/kolibrios
108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
|
/*
|
||
|
|
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 the Free Software
|
||
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||
|
|
|
||
|
|
*/
|
||
|
|
// d_modech.c: called when mode has just changed
|
||
|
|
|
||
|
|
#include "quakedef.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];
|
||
|
|
|
||
|
|
/*
|
||
|
|
================
|
||
|
|
D_Patch
|
||
|
|
================
|
||
|
|
*/
|
||
|
|
void D_Patch (void)
|
||
|
|
{
|
||
|
|
#if id386
|
||
|
|
|
||
|
|
static qboolean protectset8 = false;
|
||
|
|
|
||
|
|
if (!protectset8)
|
||
|
|
{
|
||
|
|
Sys_MakeCodeWriteable ((int)D_PolysetAff8Start,
|
||
|
|
(int)D_PolysetAff8End - (int)D_PolysetAff8Start);
|
||
|
|
protectset8 = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // id386
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
================
|
||
|
|
D_ViewChanged
|
||
|
|
================
|
||
|
|
*/
|
||
|
|
void D_ViewChanged (void)
|
||
|
|
{
|
||
|
|
int rowbytes;
|
||
|
|
|
||
|
|
if (r_dowarp)
|
||
|
|
rowbytes = WARP_WIDTH;
|
||
|
|
else
|
||
|
|
rowbytes = 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);
|
||
|
|
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i=0 ; i<vid.height; i++)
|
||
|
|
{
|
||
|
|
d_scantable[i] = i*rowbytes;
|
||
|
|
zspantable[i] = d_pzbuffer + i*d_zwidth;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
D_Patch ();
|
||
|
|
}
|
||
|
|
|