C++ (Cpp) dri3_get_back_buffer примеры использования

Пример #1

Файл: vl_winsys_dri3.c Проект: BNieuwenhuizen/mesa

static struct pipe_resource *
vl_dri3_screen_texture_from_drawable(struct vl_screen *vscreen, void *drawable)
{
   struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
   struct vl_dri3_buffer *buffer;

   assert(scrn);

   if (!dri3_set_drawable(scrn, (Drawable)drawable))
      return NULL;

   if (scrn->flushed) {
      while (scrn->special_event && scrn->recv_sbc < scrn->send_sbc)
         if (!dri3_wait_present_events(scrn))
            return NULL;
   }
   scrn->flushed = false;

   buffer = (scrn->is_pixmap) ?
            dri3_get_front_buffer(scrn) :
            dri3_get_back_buffer(scrn);
   if (!buffer)
      return NULL;

   return buffer->texture;
}

Пример #2

Файл: vl_winsys_dri3.c Проект: ChristophHaag/mesa-mesa

static struct pipe_resource *
vl_dri3_screen_texture_from_drawable(struct vl_screen *vscreen, void *drawable)
{
   struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
   struct vl_dri3_buffer *buffer;

   assert(scrn);

   if (!dri3_set_drawable(scrn, (Drawable)drawable))
      return NULL;

   buffer = (scrn->is_pixmap) ?
            dri3_get_front_buffer(scrn) :
            dri3_get_back_buffer(scrn);
   if (!buffer)
      return NULL;

   return buffer->texture;
}