quakeforge/libs/video/targets/context_sdl.c

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1.7 KiB
C
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static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdlib.h>
#include <SDL.h>
#include "QF/console.h"
#include "QF/cvar.h"
#include "QF/va.h"
#include "QF/vid.h"
cvar_t *vid_bitdepth;
extern SDL_Surface *screen;
void
VID_SDL_GammaCheck (void)
{
Uint16 redtable[256], greentable[256], bluetable[256];
if (SDL_GetGammaRamp(redtable, greentable, bluetable) < 0)
vid_gamma_avail = false;
else
vid_gamma_avail = true;
}
void
VID_SetCaption (const char *text)
{
if (text && *text) {
char *temp = strdup (text);
SDL_WM_SetCaption (va ("%s %s: %s", PROGRAM, VERSION, temp), NULL);
free (temp);
} else {
SDL_WM_SetCaption (va ("%s %s", PROGRAM, VERSION), NULL);
}
}
qboolean
VID_SetGamma (double gamma)
{
return SDL_SetGamma((float) gamma, (float) gamma, (float) gamma);
}
void
VID_Shutdown (void)
{
SDL_Quit ();
}
void
VID_UpdateFullscreen (cvar_t *vid_fullscreen)
{
if (!vid.initialized)
return;
if ((vid_fullscreen->int_val && !(screen->flags & SDL_FULLSCREEN))
|| (!vid_fullscreen->int_val && screen->flags & SDL_FULLSCREEN))
if (!SDL_WM_ToggleFullScreen (screen))
Con_Printf ("VID_UpdateFullscreen: error setting fullscreen\n");
}
void
VID_Init_Cvars ()
{
vid_fullscreen = Cvar_Get ("vid_fullscreen", "0", CVAR_ARCHIVE,
VID_UpdateFullscreen,
"Toggles fullscreen mode");
vid_system_gamma = Cvar_Get ("vid_system_gamma", "1", CVAR_ARCHIVE, NULL,
"Use system gamma control if available");
vid_bitdepth = Cvar_Get ("vid_bitdepth", "8", CVAR_ROM, NULL, "Sets "
"display bitdepth (supported modes: 8 16 32)");
}