150 lines
3.9 KiB
C
150 lines
3.9 KiB
C
/* $Id: fbdev_visual.c,v 1.4 1999/08/24 02:03:34 jtaylor Exp $
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******************************************************************************
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display-fbdev-mesa: visual handling
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Copyright (C) 1999 Jon Taylor [taylorj@ggi-project.org]
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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******************************************************************************
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*/
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#include <ggi/internal/ggi-dl.h>
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#include <ggi/mesa/ggimesa_int.h>
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#include <ggi/mesa/display_fbdev.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#ifdef HAVE_SYS_VT_H
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#include <sys/vt.h>
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#else
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#include <linux/vt.h>
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#endif
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#ifdef HAVE_LINUX_KDEV_T_H
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#include <linux/kdev_t.h>
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#endif
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#include <linux/tty.h>
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#define MAX_DEV_LEN 63
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#define DEFAULT_FBNUM 0
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static char accel_prefix[] = "tgt-fbdev-";
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#define PREFIX_LEN (sizeof(accel_prefix))
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typedef struct {
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int async;
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char *str;
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} accel_info;
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static accel_info accel_strings[] = {
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{ 0, "kgicon-generic",}, /* no accel - check for KGIcon */
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{ 0, NULL }, /* Atari Blitter */
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};
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#define NUM_ACCELS (sizeof(accel_strings)/sizeof(accel_info))
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/* FIXME: These should really be defined in the make system */
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#define CONF_FILE "/usr/local/etc/ggi/mesa/targets/fbdev.conf"
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void *_configHandle;
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char confstub[512] = CONF_FILE;
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char *conffile = confstub;
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static int changed(ggi_visual_t vis, int whatchanged)
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{
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switch (whatchanged)
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{
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case GGI_CHG_APILIST:
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{
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char api[256];
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char args[256];
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int i;
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const char *fname;
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ggi_dlhandle *lib;
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for (i = 0; ggiGetAPI(vis, i, api, args) == 0; i++)
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{
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strcat(api, "-mesa");
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fname = ggMatchConfig(_configHandle, api, NULL);
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if (fname == NULL)
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{
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/* No special implementation for this sublib */
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continue;
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}
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lib = ggiExtensionLoadDL(vis, fname, args, NULL);
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}
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}
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break;
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}
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return 0;
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}
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int GGIdlinit(ggi_visual *vis, const char *args, void *argptr)
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{
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struct fbdev_priv_mesa *priv;
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char libname[256], libargs[256];
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int id, err;
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ggifunc_getapi *oldgetapi;
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GGIMESA_PRIVATE(vis) = priv = malloc(sizeof(struct fbdev_priv_mesa));
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if (priv == NULL) {
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fprintf(stderr, "Failed to allocate fbdev private data\n");
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return GGI_DL_ERROR;
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}
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priv->oldpriv = LIBGGI_PRIVATE(vis); // Hook back
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err = ggLoadConfig(conffile, &_configHandle);
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if (err != GGI_OK)
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{
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gl_ggiPrint("display-fbdev: Couldn't open %s\n", conffile);
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return err;
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}
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LIBGGI_MESAEXT(vis)->update_state = NULL;
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LIBGGI_MESAEXT(vis)->setup_driver = NULL;
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oldgetapi = vis->opdisplay->getapi;
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vis->opdisplay->getapi = GGIMesa_fbdev_getapi;
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changed(vis, GGI_CHG_APILIST);
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/* If the accel sublibs didn't sucessfuly hook a driver,
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* back up and keep looking */
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if ((LIBGGI_MESAEXT(vis)->update_state == NULL) ||
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(LIBGGI_MESAEXT(vis)->setup_driver == NULL))
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{
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vis->opdisplay->getapi = oldgetapi;
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}
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return 0;
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}
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int GGIdlcleanup(ggi_visual *vis)
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{
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return 0;
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}
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#include <ggi/internal/ggidlinit.h>
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