quakeforge/libs/video/renderer/sw32/d_modech.c
Bill Currie a05210d864 [video] Get 16 and 32 bit sw32 mostly working in x11
Lighting on alias models seems to be borked, and skies are borked in
both sw renderers (seems to be nothing to do with this commit, though).
2021-07-11 00:09:41 +09:00

100 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
#define NH_DEFINE
#include "namehack.h"
#include "QF/render.h"
#include "d_local.h"
#include "r_internal.h"
#include "vid_sw.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_ctx->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 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 ();
}