int InitGAL (void)
{
int i;
int w, h, depth;
char engine [LEN_ENGINE_NAME + 1];
char mode [LEN_MODE + 1];
if (GetMgEtcValue ("system", "gal_engine", engine, LEN_ENGINE_NAME) < 0 )
return ERR_CONFIG_FILE;
if (GAL_VideoInit (engine, 0)) {
GAL_VideoQuit ();
fprintf (stderr, "NEWGAL: Does not find matched engine: %s.\n", engine);
return ERR_NO_MATCH;
}
if (GetMgEtcValue (engine, "defaultmode", mode, LEN_MODE) < 0)
return ERR_CONFIG_FILE;
w = atoi (mode);
h = atoi (strchr (mode, 'x') + 1);
depth = atoi (strrchr (mode, '-') + 1);
if (!(__gal_screen = GAL_SetVideoMode (w, h, depth, GAL_HWPALETTE))) {
GAL_VideoQuit ();
fprintf (stderr, "NEWGAL: Set video mode failure.\n");
return ERR_GFX_ENGINE;
}
#ifdef _LITE_VERSION
if (w != __gal_screen->w || h != __gal_screen->h) {
fprintf (stderr, "The resolution specified in MiniGUI.cfg is not the same as "
"the actual resolution: %dx%d.\n"
"This may confuse the clients. Please change it.\n",
__gal_screen->w, __gal_screen->h);
GAL_VideoQuit ();
return ERR_GFX_ENGINE;
}
#endif
for (i = 0; i < 17; i++) {
SysPixelIndex [i] = GAL_MapRGB (__gal_screen->format,
SysPixelColor [i].r, SysPixelColor [i].g, SysPixelColor [i].b);
}
return 0;
}
/*
* Initialize the video subsystems -- determine native pixel format
*/
int GAL_VideoInit (const char *driver_name, Uint32 flags)
{
GAL_VideoDevice *video;
GAL_PixelFormat vformat;
Uint32 video_flags;
/* Check to make sure we don't overwrite 'current_video' */
if ( current_video != NULL ) {
GAL_VideoQuit();
}
video = GAL_GetVideo(driver_name);
if ( video == NULL ) {
return (-1);
}
video->screen = NULL;
current_video = video;
/* Initialize the video subsystem */
memset(&vformat, 0, sizeof(vformat));
if ( video->VideoInit(video, &vformat) < 0 ) {
GAL_VideoQuit();
return(-1);
}
/* Create a zero sized video surface of the appropriate format */
video_flags = GAL_SWSURFACE;
GAL_VideoSurface = GAL_CreateRGBSurface(video_flags, 0, 0,
vformat.BitsPerPixel,
vformat.Rmask, vformat.Gmask, vformat.Bmask, 0);
if ( GAL_VideoSurface == NULL ) {
GAL_VideoQuit();
return(-1);
}
GAL_VideoSurface->video = current_video;
video->info.vfmt = GAL_VideoSurface->format;
/* We're ready to go! */
return(0);
}