mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 21:02:50 +00:00
5cd24de097
build. Look at their vid files, as well as vid_common_{gl,sw}.c to find
out what will need to be added to the rest of the video targets.
119 lines
2.6 KiB
C
119 lines
2.6 KiB
C
/*
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vid.c
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general video driver functions
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "QF/cvar.h"
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#include "vid.h"
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#include "QF/va.h"
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#include "QF/qargs.h"
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#include "QF/sys.h"
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extern viddef_t vid; // global video state
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int scr_width, scr_height;
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cvar_t *vid_width;
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cvar_t *vid_height;
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byte gammatable[256];
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void
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VID_GetWindowSize (int def_w, int def_h)
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{
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int pnum;
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vid_width = Cvar_Get ("vid_width", va ("%d", def_w), CVAR_NONE, NULL,
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"screen width");
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vid_height = Cvar_Get ("vid_height", va ("%d", def_h), CVAR_NONE, NULL,
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"screen height");
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if ((pnum = COM_CheckParm ("-width"))) {
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if (pnum >= com_argc - 1)
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Sys_Error ("VID: -width <width>\n");
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Cvar_Set (vid_width, com_argv[pnum + 1]);
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if (!vid_width->int_val)
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Sys_Error ("VID: Bad window width\n");
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}
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if ((pnum = COM_CheckParm ("-height"))) {
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if (pnum >= com_argc - 1)
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Sys_Error ("VID: -height <height>\n");
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Cvar_Set (vid_height, com_argv[pnum + 1]);
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if (!vid_height->int_val)
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Sys_Error ("VID: Bad window height\n");
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}
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if ((pnum = COM_CheckParm ("-winsize"))) {
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if (pnum >= com_argc - 2)
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Sys_Error ("VID: -winsize <width> <height>\n");
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Cvar_Set (vid_width, com_argv[pnum + 1]);
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Cvar_Set (vid_height, com_argv[pnum + 2]);
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if (!vid_width->int_val || !vid_height->int_val)
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Sys_Error ("VID: Bad window width/height\n");
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}
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Cvar_SetFlags (vid_width, vid_width->flags | CVAR_ROM);
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Cvar_SetFlags (vid_height, vid_height->flags | CVAR_ROM);
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scr_width = vid.width = vid_width->int_val;
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scr_height = vid.height = vid_height->int_val;
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}
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#if 0
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void
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VID_CalcGamma (double gamma)
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{
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int i;
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int v;
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double g = bound (0.3, gamma, 3);
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Cvar_SetValue (gamma, g);
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if (!(gamma_flipped->int_val))
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g = 1.0 / g;
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if (g == 1.0) {
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for (i = 0; i < 256; i++) {
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gammatable[i] = i;
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}
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}
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for (i = 0; i < 256; i++) {
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v = (int) (255.0 * pow ((double) i / 255.0, g));
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gammatable[i] = bound (0, v, 255);
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}
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}
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#endif
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