C++ (Cpp) dri3_x11_connect Examples

Example #1

File: platform_x11.c Project: BNieuwenhuizen/mesa

static EGLBoolean
dri2_initialize_x11_dri3(_EGLDriver *drv, _EGLDisplay *disp)
{
   struct dri2_egl_display *dri2_dpy;

   dri2_dpy = calloc(1, sizeof *dri2_dpy);
   if (!dri2_dpy)
      return _eglError(EGL_BAD_ALLOC, "eglInitialize");

   disp->DriverData = (void *) dri2_dpy;
   if (disp->PlatformDisplay == NULL) {
      dri2_dpy->conn = xcb_connect(0, &dri2_dpy->screen);
      dri2_dpy->own_device = true;
   } else {
      Display *dpy = disp->PlatformDisplay;

      dri2_dpy->conn = XGetXCBConnection(dpy);
      dri2_dpy->screen = DefaultScreen(dpy);
   }

   if (xcb_connection_has_error(dri2_dpy->conn)) {
      _eglLog(_EGL_WARNING, "DRI3: xcb_connect failed");
      goto cleanup_dpy;
   }

   if (dri2_dpy->conn) {
      if (!dri3_x11_connect(dri2_dpy))
         goto cleanup_conn;
   }

   if (!dri2_load_driver_dri3(disp))
      goto cleanup_conn;

   dri2_dpy->extensions[0] = &dri3_image_loader_extension.base;
   dri2_dpy->extensions[1] = &use_invalidate.base;
   dri2_dpy->extensions[2] = &image_lookup_extension.base;
   dri2_dpy->extensions[3] = NULL;

   dri2_dpy->swap_available = true;
   dri2_dpy->invalidate_available = true;

   if (!dri2_create_screen(disp))
      goto cleanup_fd;

   dri2_x11_setup_swap_interval(dri2_dpy);

   if (!dri2_dpy->is_different_gpu)
      disp->Extensions.KHR_image_pixmap = EGL_TRUE;
   disp->Extensions.NOK_texture_from_pixmap = EGL_TRUE;
   disp->Extensions.CHROMIUM_sync_control = EGL_TRUE;
   disp->Extensions.EXT_buffer_age = EGL_TRUE;

#ifdef HAVE_WAYLAND_PLATFORM
   disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
#endif

   if (dri2_dpy->conn) {
      if (!dri2_x11_add_configs_for_visuals(dri2_dpy, disp, false))
         goto cleanup_configs;
   }

   dri2_dpy->loader_dri3_ext.core = dri2_dpy->core;
   dri2_dpy->loader_dri3_ext.image_driver = dri2_dpy->image_driver;
   dri2_dpy->loader_dri3_ext.flush = dri2_dpy->flush;
   dri2_dpy->loader_dri3_ext.tex_buffer = dri2_dpy->tex_buffer;
   dri2_dpy->loader_dri3_ext.image = dri2_dpy->image;
   dri2_dpy->loader_dri3_ext.config = dri2_dpy->config;

   /* Fill vtbl last to prevent accidentally calling virtual function during
    * initialization.
    */
   dri2_dpy->vtbl = &dri3_x11_display_vtbl;

   _eglLog(_EGL_INFO, "Using DRI3");

   return EGL_TRUE;

 cleanup_configs:
   _eglCleanupDisplay(disp);
   dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
   dlclose(dri2_dpy->driver);
 cleanup_fd:
   close(dri2_dpy->fd);
 cleanup_conn:
   if (disp->PlatformDisplay == NULL)
      xcb_disconnect(dri2_dpy->conn);
 cleanup_dpy:
   free(dri2_dpy);

   return EGL_FALSE;
}

Example #2

File: platform_x11.c Project: FireBurn/mesa

static EGLBoolean
dri2_initialize_x11_dri3(_EGLDriver *drv, _EGLDisplay *disp)
{
   _EGLDevice *dev;
   struct dri2_egl_display *dri2_dpy;

   dri2_dpy = calloc(1, sizeof *dri2_dpy);
   if (!dri2_dpy)
      return _eglError(EGL_BAD_ALLOC, "eglInitialize");

   dri2_dpy->fd = -1;
   if (!dri2_get_xcb_connection(drv, disp, dri2_dpy))
      goto cleanup;

   if (!dri3_x11_connect(dri2_dpy))
      goto cleanup;

   dev = _eglAddDevice(dri2_dpy->fd, false);
   if (!dev) {
      _eglError(EGL_NOT_INITIALIZED, "DRI2: failed to find EGLDevice");
      goto cleanup;
   }

   disp->Device = dev;

   if (!dri2_load_driver_dri3(disp))
      goto cleanup;

   dri2_dpy->loader_extensions = dri3_image_loader_extensions;

   dri2_dpy->swap_available = true;
   dri2_dpy->invalidate_available = true;

   if (!dri2_create_screen(disp))
      goto cleanup;

   if (!dri2_setup_extensions(disp))
      goto cleanup;

   dri2_setup_screen(disp);

   dri2_x11_setup_swap_interval(disp);

   if (!dri2_dpy->is_different_gpu)
      disp->Extensions.KHR_image_pixmap = EGL_TRUE;
   disp->Extensions.NOK_texture_from_pixmap = EGL_TRUE;
   disp->Extensions.CHROMIUM_sync_control = EGL_TRUE;
   disp->Extensions.EXT_buffer_age = EGL_TRUE;

   dri2_set_WL_bind_wayland_display(drv, disp);

   if (!dri2_x11_add_configs_for_visuals(dri2_dpy, disp, false))
      goto cleanup;

   dri2_dpy->loader_dri3_ext.core = dri2_dpy->core;
   dri2_dpy->loader_dri3_ext.image_driver = dri2_dpy->image_driver;
   dri2_dpy->loader_dri3_ext.flush = dri2_dpy->flush;
   dri2_dpy->loader_dri3_ext.tex_buffer = dri2_dpy->tex_buffer;
   dri2_dpy->loader_dri3_ext.image = dri2_dpy->image;
   dri2_dpy->loader_dri3_ext.config = dri2_dpy->config;

   /* Fill vtbl last to prevent accidentally calling virtual function during
    * initialization.
    */
   dri2_dpy->vtbl = &dri3_x11_display_vtbl;

   _eglLog(_EGL_INFO, "Using DRI3");

   return EGL_TRUE;

 cleanup:
   dri2_display_destroy(disp);
   return EGL_FALSE;
}