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/*
* Copyright (C) 2007 Benjamin Zores <ben@geexbox.org>
* Vidix drivers registry handler.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include "vidixlib.h"
#include "../config.h"
#include "../libavutil/common.h"
#include "../mpbswap.h"
VDXDriver *first_driver = NULL;
extern VDXDriver cyberblade_drv;
extern VDXDriver mach64_drv;
extern VDXDriver mga_drv;
extern VDXDriver mga_crtc2_drv;
extern VDXDriver nvidia_drv;
extern VDXDriver pm3_drv;
extern VDXDriver radeon_drv;
extern VDXDriver rage128_drv;
extern VDXDriver savage_drv;
extern VDXDriver sis_drv;
extern VDXDriver unichrome_drv;
static void vidix_register_driver (VDXDriver *drv)
{
VDXDriver **d;
d = &first_driver;
while (*d != NULL)
d = &(*d)->next;
*d = drv;
drv->next = NULL;
}
void vidix_register_all_drivers (void)
{
vidix_register_driver (&cyberblade_drv);
vidix_register_driver (&mach64_drv);
vidix_register_driver (&mga_drv);
vidix_register_driver (&mga_crtc2_drv);
vidix_register_driver (&nvidia_drv);
vidix_register_driver (&pm3_drv);
vidix_register_driver (&radeon_drv);
vidix_register_driver (&rage128_drv);
vidix_register_driver (&savage_drv);
vidix_register_driver (&sis_drv);
vidix_register_driver (&unichrome_drv);
}
static int vidix_probe_driver (VDXContext *ctx, VDXDriver *drv,
unsigned int cap, int verbose)
{
vidix_capability_t vid_cap;
if (verbose)
printf ("vidixlib: PROBING: %s\n", drv->name);
if (!drv->probe || drv->probe (verbose, PROBE_NORMAL) != 0)
return 0;
if (!drv->get_caps || drv->get_caps (&vid_cap) != 0)
return 0;
if ((vid_cap.type & cap) != cap)
{
if (verbose)
printf ("vidixlib: Found %s but has no required capability\n",
drv->name);
return 0;
}
if (verbose)
printf ("vidixlib: %s probed o'k\n", drv->name);
ctx->drv = drv;
return 1;
}
static void vidix_list_drivers (void)
{
VDXDriver *drv;
printf ("Available VIDIX drivers:\n");
drv = first_driver;
while (drv)
{
vidix_capability_t cap;
drv->get_caps (&cap);
printf (" * %s - %s\n", drv->name, cap.name);
drv = drv->next;
}
}
int vidix_find_driver (VDXContext *ctx, const char *name,
unsigned int cap, int verbose)
{
VDXDriver *drv;
if (name && !strcmp (name, "help"))
{
vidix_list_drivers ();
ctx->drv = NULL;
return 0;
}
drv = first_driver;
while (drv)
{
if (name) /* forced driver */
{
if (!strcmp (drv->name, name))
{
if (vidix_probe_driver (ctx, drv, cap, verbose))
return 1;
else
{
ctx->drv = NULL;
return 0;
}
}
}
else /* auto-probe */
{
if (vidix_probe_driver (ctx, drv, cap, verbose))
return 1;
}
drv = drv->next;
}
if (verbose)
printf ("vidixlib: No suitable driver can be found.\n");
ctx->drv = NULL;
return 0;
}
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