quakeforge/libs/video/renderer/sw32/d_modech.c
Bill Currie bc1b483525 Nuke the rcsid stuff.
It's pretty useless in git.
2012-04-22 10:56:32 +09:00

99 lines
2.3 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
#define NH_DEFINE
#include "namehack.h"
#include "QF/render.h"
#include "d_local.h"
#include "r_internal.h"
int sw32_d_vrectx, sw32_d_vrecty, sw32_d_vrectright_particle, sw32_d_vrectbottom_particle;
int sw32_d_y_aspect_shift, sw32_d_pix_min, sw32_d_pix_max, sw32_d_pix_shift;
int sw32_d_scantable[MAXHEIGHT];
short *sw32_zspantable[MAXHEIGHT];
static void
D_Patch (void)
{
}
void
sw32_D_ViewChanged (void)
{
int rowpixels;
if (sw32_r_dowarp)
rowpixels = WARP_WIDTH;
else
rowpixels = vid.rowbytes / sw32_r_pixbytes;
sw32_scale_for_mip = sw32_xscale;
if (sw32_yscale > sw32_xscale)
sw32_scale_for_mip = sw32_yscale;
sw32_d_zrowbytes = vid.width * 2;
sw32_d_zwidth = vid.width;
sw32_d_pix_min = r_refdef.vrect.width / 320;
if (sw32_d_pix_min < 1)
sw32_d_pix_min = 1;
sw32_d_pix_max = (int) ((float) r_refdef.vrect.width / (320.0 / 4.0) + 0.5);
sw32_d_pix_shift = 8 - (int) ((float) r_refdef.vrect.width / 320.0 + 0.5);
if (sw32_d_pix_max < 1)
sw32_d_pix_max = 1;
if (sw32_pixelAspect > 1.4)
sw32_d_y_aspect_shift = 1;
else
sw32_d_y_aspect_shift = 0;
sw32_d_vrectx = r_refdef.vrect.x;
sw32_d_vrecty = r_refdef.vrect.y;
sw32_d_vrectright_particle = r_refdef.vrectright - sw32_d_pix_max;
sw32_d_vrectbottom_particle =
r_refdef.vrectbottom - (sw32_d_pix_max << sw32_d_y_aspect_shift);
{
unsigned int i;
for (i = 0; i < vid.height; i++) {
sw32_d_scantable[i] = i * rowpixels;
sw32_zspantable[i] = sw32_d_pzbuffer + i * sw32_d_zwidth;
}
}
D_Patch ();
}