Squashed 'nx-X11/extras/Mesa_6.4.2/' content from commit 475b1f7

git-subtree-dir: nx-X11/extras/Mesa_6.4.2
git-subtree-split: 475b1f7b56fa36ef4f3b22a749f88a98ddc0d502

1 files changed, 138 insertions, 0 deletions

diff --git a/src/mesa/drivers/ggi/display/fbdev_visual.c b/src/mesa/drivers/ggi/display/fbdev_visual.c
new file mode 100644
index 000000000..f0c1771c7
--- /dev/null
+++ b/src/mesa/drivers/ggi/display/fbdev_visual.c
@@ -0,0 +1,138 @@
+/******************************************************************************
+
+   display-fbdev-mesa: visual handling
+
+   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 <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 MAX_DEV_LEN	63
+#define DEFAULT_FBNUM	0
+
+static char accel_prefix[] = "tgt-fbdev-";
+#define PREFIX_LEN	(sizeof(accel_prefix))
+
+typedef struct {
+	int   async;
+	char *str;
+} accel_info;
+
+static accel_info accel_strings[] = {
+	{ 0, "kgicon-generic",},	/* no accel - check for KGIcon	*/
+	{ 0, NULL },			/* Atari Blitter		*/
+};
+
+#define NUM_ACCELS	(sizeof(accel_strings)/sizeof(accel_info))
+
+
+
+static int GGIopen(ggi_visual *vis, struct ggi_dlhandle *dlh,
+                   const char *args, void *argptr, uint32 *dlret)
+{
+	int err;
+	struct fbdev_priv_mesa *priv;
+	ggifunc_getapi *oldgetapi;
+
+
+	priv->oldpriv = LIBGGI_PRIVATE(vis);  /* Hook back */
+
+	GGIMESA_PRIV(vis) = priv = malloc(sizeof(struct fbdev_priv_mesa));
+	if (priv == NULL) {
+		fprintf(stderr, "GGIMesa: Failed to allocate fbdev private data\n");
+		return GGI_ENOMEM;
+	}
+	
+	oldgetapi = vis->opdisplay->getapi;
+	vis->opdisplay->getapi = GGIMesa_fbdev_getapi;
+	changed(vis, GGI_CHG_APILIST);	
+
+	/* If the accel sublibs didn't sucessfuly hook a driver,
+	 * back up and keep looking */
+	if ((LIBGGI_MESAEXT(vis)->update_state == NULL) ||
+	    (LIBGGI_MESAEXT(vis)->setup_driver == NULL))
+	{
+		vis->opdisplay->getapi = oldgetapi;
+	}
+
+	*dlret = GGI_DL_EXTENSION;
+	return 0;
+}
+
+
+static int GGIclose(ggi_visual *vis, struct ggi_dlhandle *dlh)
+{
+	struct fbdev_priv_mesa *priv = GGIMESA_PRIV(vis);
+
+	if (priv) {
+		LIBGGI_PRIVATE(vis) = priv->oldpriv;
+		free(priv);
+	}
+
+	return 0;
+}
+
+
+int MesaGGIdl_fbdev_mesa(int func, void **funcptr)
+{
+	switch (func) {
+	case GGIFUNC_open:
+		*funcptr = GGIopen;
+		return 0;
+	case GGIFUNC_exit:
+		*funcptr = NULL;
+		return 0;
+	case GGIFUNC_close:
+		*funcptr = GGIclose;
+		return 0;
+	default:
+		*funcptr = NULL;
+	}
+        
+	return GGI_ENOTFOUND;
+}
+
+
+#include <ggi/internal/ggidlinit.h>