C++ (Cpp) dri3_free_front_buffer Exemples

Exemple #1

Fichier : vl_winsys_dri3.c Projet : airlied/mesa

static bool
dri3_set_drawable(struct vl_dri3_screen *scrn, Drawable drawable)
{
   xcb_get_geometry_cookie_t geom_cookie;
   xcb_get_geometry_reply_t *geom_reply;
   xcb_void_cookie_t cookie;
   xcb_generic_error_t *error;
   xcb_present_event_t peid;
   bool ret = true;

   assert(drawable);

   if (scrn->drawable == drawable)
      return true;

   scrn->drawable = drawable;

   geom_cookie = xcb_get_geometry(scrn->conn, scrn->drawable);
   geom_reply = xcb_get_geometry_reply(scrn->conn, geom_cookie, NULL);
   if (!geom_reply)
      return false;

   scrn->width = geom_reply->width;
   scrn->height = geom_reply->height;
   scrn->depth = geom_reply->depth;
   free(geom_reply);

   if (scrn->special_event) {
      xcb_unregister_for_special_event(scrn->conn, scrn->special_event);
      scrn->special_event = NULL;
   }

   scrn->is_pixmap = false;
   peid = xcb_generate_id(scrn->conn);
   cookie =
      xcb_present_select_input_checked(scrn->conn, peid, scrn->drawable,
                      XCB_PRESENT_EVENT_MASK_CONFIGURE_NOTIFY |
                      XCB_PRESENT_EVENT_MASK_COMPLETE_NOTIFY |
                      XCB_PRESENT_EVENT_MASK_IDLE_NOTIFY);

   error = xcb_request_check(scrn->conn, cookie);
   if (error) {
      if (error->error_code != BadWindow)
         ret = false;
      else {
         scrn->is_pixmap = true;
         if (scrn->front_buffer) {
            dri3_free_front_buffer(scrn, scrn->front_buffer);
            scrn->front_buffer = NULL;
         }
      }
      free(error);
   } else
      scrn->special_event =
         xcb_register_for_special_xge(scrn->conn, &xcb_present_id, peid, 0);

   dri3_flush_present_events(scrn);

   return ret;
}

Exemple #2

Fichier : vl_winsys_dri3.c Projet : BNieuwenhuizen/mesa

static void
vl_dri3_screen_destroy(struct vl_screen *vscreen)
{
   struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
   int i;

   assert(vscreen);

   dri3_flush_present_events(scrn);

   if (scrn->front_buffer) {
      dri3_free_front_buffer(scrn, scrn->front_buffer);
      scrn->front_buffer = NULL;
      return;
   }

   for (i = 0; i < BACK_BUFFER_NUM; ++i) {
      if (scrn->back_buffers[i]) {
         dri3_free_back_buffer(scrn, scrn->back_buffers[i]);
         scrn->back_buffers[i] = NULL;
      }
   }

   if (scrn->special_event)
      xcb_unregister_for_special_event(scrn->conn, scrn->special_event);
   scrn->base.pscreen->destroy(scrn->base.pscreen);
   pipe_loader_release(&scrn->base.dev, 1);
   FREE(scrn);

   return;
}

Exemple #3

Fichier : vl_winsys_dri3.c Projet : ChristophHaag/mesa-mesa

static void
vl_dri3_screen_destroy(struct vl_screen *vscreen)
{
   struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
   int i;

   assert(vscreen);

   dri3_flush_present_events(scrn);

   if (scrn->front_buffer) {
      dri3_free_front_buffer(scrn, scrn->front_buffer);
      scrn->front_buffer = NULL;
   }

   for (i = 0; i < BACK_BUFFER_NUM; ++i) {
      if (scrn->back_buffers[i]) {
         dri3_free_back_buffer(scrn, scrn->back_buffers[i]);
         scrn->back_buffers[i] = NULL;
      }
   }

   if (scrn->special_event) {
      xcb_void_cookie_t cookie =
         xcb_present_select_input_checked(scrn->conn, scrn->eid,
                                          scrn->drawable,
                                          XCB_PRESENT_EVENT_MASK_NO_EVENT);

      xcb_discard_reply(scrn->conn, cookie.sequence);
      xcb_unregister_for_special_event(scrn->conn, scrn->special_event);
   }
   scrn->pipe->destroy(scrn->pipe);
   scrn->base.pscreen->destroy(scrn->base.pscreen);
   pipe_loader_release(&scrn->base.dev, 1);
   FREE(scrn);

   return;
}