C++ (Cpp) find_driver_for_device Beispiele

Beispiel #1

Datei: plugin.c Projekt: pkt/pkt-plymouth

static bool
load_driver (ply_renderer_backend_t *backend)
{
  char *driver_name;
  int device_fd;

  driver_name = find_driver_for_device (backend->device_name);
  ply_trace ("Attempting to load driver '%s'", driver_name);
  device_fd = drmOpen (driver_name, NULL);

  if (device_fd < 0)
    {
      ply_trace ("drmOpen failed");
      free (driver_name);
      return false;
    }

  if (strcmp (driver_name, "i915") == 0)
    {
      backend->driver_interface = ply_renderer_i915_driver_get_interface ();
      backend->driver_supports_mapping_console = true;
    }
  else if (strcmp (driver_name, "radeon") == 0)
    {
      backend->driver_interface = ply_renderer_radeon_driver_get_interface ();
      backend->driver_supports_mapping_console = false;
    }
  else if (strcmp (driver_name, "nouveau") == 0)
    {
      backend->driver_interface = ply_renderer_nouveau_driver_get_interface ();
      backend->driver_supports_mapping_console = false;
    }
  free (driver_name);

  if (backend->driver_interface == NULL)
    {
      close (device_fd);
      return false;
    }

  backend->driver = backend->driver_interface->create_driver (device_fd);

  if (backend->driver == NULL)
    {
      close (device_fd);
      return false;
    }

  backend->device_fd = device_fd;

  return true;
}

Beispiel #2

Datei: plugin.c Projekt: AtsKiYsPoYl/plymouth

static bool
load_driver (ply_renderer_backend_t *backend)
{
  char *driver_name;
  int device_fd;

  driver_name = find_driver_for_device (backend->device_name);
  ply_trace ("Attempting to load driver '%s'", driver_name);
  device_fd = drmOpen (driver_name, NULL);

  if (device_fd < 0)
    {
      ply_trace ("drmOpen failed");
      free (driver_name);
      return false;
    }
  backend->driver_interface = NULL;

/* Try intel driver first if we're supporting the legacy GDM transition
 * since it can map the kernel console, which gives us the ability to do
 * a more seamless transition when plymouth quits before X starts
 */
#if defined(PLY_ENABLE_DEPRECATED_GDM_TRANSITION) && defined(PLY_ENABLE_LIBDRM_INTEL)
  if (backend->driver_interface == NULL && strcmp (driver_name, "i915") == 0)
    {
      backend->driver_interface = ply_renderer_i915_driver_get_interface ();
      backend->driver_supports_mapping_console = true;
    }
#endif

  if (backend->driver_interface == NULL)
    {
      backend->driver_interface = ply_renderer_generic_driver_get_interface (device_fd);
      backend->driver_supports_mapping_console = false;
    }

#ifdef PLY_ENABLE_LIBDRM_INTEL
  if (backend->driver_interface == NULL && strcmp (driver_name, "i915") == 0)
    {
      backend->driver_interface = ply_renderer_i915_driver_get_interface ();
      backend->driver_supports_mapping_console = true;
    }
#endif
#ifdef PLY_ENABLE_LIBDRM_RADEON
  if (backend->driver_interface == NULL && strcmp (driver_name, "radeon") == 0)
    {
      backend->driver_interface = ply_renderer_radeon_driver_get_interface ();
      backend->driver_supports_mapping_console = false;
    }
#endif
#ifdef PLY_ENABLE_LIBDRM_NOUVEAU
  if (backend->driver_interface == NULL && strcmp (driver_name, "nouveau") == 0)
    {
      backend->driver_interface = ply_renderer_nouveau_driver_get_interface ();
      backend->driver_supports_mapping_console = false;
    }
#endif

  free (driver_name);

  if (backend->driver_interface == NULL)
    {
#ifdef PLY_ENABLE_LIBKMS
      backend->driver_interface = ply_renderer_libkms_driver_get_interface ();
      backend->driver_supports_mapping_console = false;
#else
      close (device_fd);
      return false;
#endif
    }

  backend->driver = backend->driver_interface->create_driver (device_fd);

  if (backend->driver == NULL)
    {
      close (device_fd);
      return false;
    }

  backend->device_fd = device_fd;

  return true;
}