diff options
Diffstat (limited to 'src/mesa/drivers/ggi/default/genkgi_visual.c')
| -rw-r--r-- | src/mesa/drivers/ggi/default/genkgi_visual.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/mesa/drivers/ggi/default/genkgi_visual.c b/src/mesa/drivers/ggi/default/genkgi_visual.c new file mode 100644 index 00000000000..17ef9679bb8 --- /dev/null +++ b/src/mesa/drivers/ggi/default/genkgi_visual.c @@ -0,0 +1,190 @@ +/* $Id: genkgi_visual.c,v 1.7 2000/06/11 20:11:55 jtaylor Exp $ +****************************************************************************** + + genkgi_visual.c: visual handling for the generic KGI helper + + Copyright (C) 1999 Jon Taylor [taylorj@ggi-project.org] + + Permission is hereby granted, free of charge, to any person obtaining a + copy of this software and associated documentation files (the "Software"), + to deal in the Software without restriction, including without limitation + the rights to use, copy, modify, merge, publish, distribute, sublicense, + and/or sell copies of the Software, and to permit persons to whom the + Software is furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + THE AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +****************************************************************************** +*/ + +#include <ggi/internal/ggi-dl.h> +#include <ggi/mesa/ggimesa_int.h> +#include <ggi/mesa/display_fbdev.h> +#include <ggi/mesa/debug.h> +#include "genkgi.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <errno.h> +#include <unistd.h> +#include <fcntl.h> +#include <sys/stat.h> + +#ifdef HAVE_SYS_VT_H +#include <sys/vt.h> +#else +#include <linux/vt.h> +#endif +#ifdef HAVE_LINUX_KDEV_T_H +#include <linux/kdev_t.h> +#endif +#include <linux/tty.h> + +#define DEFAULT_FBNUM 0 + +static char accel_prefix[] = "tgt-fbdev-kgicon-"; +#define PREFIX_LEN (sizeof(accel_prefix)) + +typedef struct { + int async; + char *str; +} accel_info; + +static accel_info accel_strings[] = +{ + { 0, "d3dim" }, /* Direct3D Immediate Mode */ +}; + +#define NUM_ACCELS (sizeof(accel_strings)/sizeof(accel_info)) + +/* FIXME: These should be defined in the makefile system */ +#define CONF_FILE "/usr/local/etc/ggi/mesa/targets/genkgi.conf" +void *_configHandle; +char confstub[512] = CONF_FILE; +char *conffile = confstub; + +static int changed(ggi_visual_t vis, int whatchanged) +{ + GGIMESADPRINT_CORE("Entered ggimesa_genkgi_changed\n"); + + switch (whatchanged) + { + case GGI_CHG_APILIST: + { + char api[256]; + char args[256]; + int i; + const char *fname; + ggi_dlhandle *lib; + + for (i = 0; ggiGetAPI(vis, i, api, args) == 0; i++) + { + strcat(api, "-mesa"); + GGIMESADPRINT_CORE("ggimesa_genkgi_changed: api=%s, i=%d\n", api, i); + fname = ggMatchConfig(_configHandle, api, NULL); + if (fname == NULL) + { + /* No special implementation for this sublib */ + continue; + } + + lib = ggiExtensionLoadDL(vis, fname, args, NULL); + } + } + break; + } + return 0; +} + +static int GGIdlinit(ggi_visual *vis, struct ggi_dlhandle *dlh, + const char *args, void *argptr, uint32 *dlret) +{ + struct genkgi_priv_mesa *priv; + char libname[256], libargs[256]; + int id, err; + struct stat junk; + ggifunc_getapi *oldgetapi; + + GGIMESADPRINT_CORE("display-fbdev-kgicon-mesa: GGIdlinit start\n"); + + GENKGI_PRIV_MESA(vis) = priv = malloc(sizeof(struct genkgi_priv_mesa)); + if (priv == NULL) + { + fprintf(stderr, "Failed to allocate genkgi private data\n"); + return GGI_DL_ERROR; + } + + priv->oldpriv = GENKGI_PRIV(vis); +#if 0 + err = ggLoadConfig(conffile, &_configHandle); + if (err != GGI_OK) + { + gl_ggiPrint("display-fbdev-kgicon-mesa: Couldn't open %s\n", conffile); + return err; + } + + /* Hack city here. We need to probe the KGI driver properly for + * suggest-strings to discover the acceleration type(s). + */ + priv->have_accel = 0; + + if (stat("/proc/gfx0", &junk) == 0) + { + sprintf(priv->accel, "%s%s", accel_prefix, "d3dim"); + priv->have_accel = 1; + GGIMESADPRINT_CORE("display-fbdev-kgicon-mesa: Using accel: \"%s\"\n", priv->accel); + } + + /* Mode management */ + vis->opdisplay->getapi = GGIMesa_genkgi_getapi; + ggiIndicateChange(vis, GGI_CHG_APILIST); + + /* Give the accel sublibs a chance to set up a driver */ + if (priv->have_accel == 1) + { + oldgetapi = vis->opdisplay->getapi; + vis->opdisplay->getapi = GGIMesa_genkgi_getapi; + changed(vis, GGI_CHG_APILIST); + /* If the accel sublibs didn't produce, back up + * and keep looking */ + if ((LIBGGI_MESAEXT(vis)->update_state == NULL) || + (LIBGGI_MESAEXT(vis)->setup_driver == NULL)) + vis->opdisplay->getapi = oldgetapi; + } + + LIBGGI_MESAEXT(vis)->update_state = genkgi_update_state; + LIBGGI_MESAEXT(vis)->setup_driver = genkgi_setup_driver; +#endif + GGIMESADPRINT_CORE("display-fbdev-kgicon-mesa: GGIdlinit finished\n"); + + *dlret = GGI_DL_OPDRAW; + return 0; +} + +int MesaGGIdl_fbdev(int func, void **funcptr) +{ + switch (func) { + case GGIFUNC_open: + *funcptr = GGIopen; + return 0; + case GGIFUNC_exit: + case GGIFUNC_close: + *funcptr = NULL; + return 0; + default: + *funcptr = NULL; + } + return GGI_ENOTFOUND; +} + +#include <ggi/internal/ggidlinit.h> |