function bp_core_set_avatar_globals() {
	$bp = buddypress();

	$bp->avatar        = new stdClass;
	$bp->avatar->thumb = new stdClass;
	$bp->avatar->full  = new stdClass;

	// Dimensions.
	$bp->avatar->thumb->width  = BP_AVATAR_THUMB_WIDTH;
	$bp->avatar->thumb->height = BP_AVATAR_THUMB_HEIGHT;
	$bp->avatar->full->width   = BP_AVATAR_FULL_WIDTH;
	$bp->avatar->full->height  = BP_AVATAR_FULL_HEIGHT;

	// Upload maximums.
	$bp->avatar->original_max_width    = BP_AVATAR_ORIGINAL_MAX_WIDTH;
	$bp->avatar->original_max_filesize = BP_AVATAR_ORIGINAL_MAX_FILESIZE;

	// Defaults.
	$bp->avatar->thumb->default = bp_core_avatar_default_thumb();
	$bp->avatar->full->default  = bp_core_avatar_default();

	// These have to be set on page load in order to avoid infinite filter loops at runtime.
	$bp->avatar->upload_path = bp_core_avatar_upload_path();
	$bp->avatar->url = bp_core_avatar_url();

	// Cache the root blog's show_avatars setting, to avoid unnecessary
	// calls to switch_to_blog().
	$bp->avatar->show_avatars = (bool) BP_SHOW_AVATARS;

	// Backpat for pre-1.5.
	if ( ! defined( 'BP_AVATAR_UPLOAD_PATH' ) )
		define( 'BP_AVATAR_UPLOAD_PATH', $bp->avatar->upload_path );

	// Backpat for pre-1.5.
	if ( ! defined( 'BP_AVATAR_URL' ) )
		define( 'BP_AVATAR_URL', $bp->avatar->url );

	/**
	 * Fires at the end of the core avatar globals setup.
	 *
	 * @since 1.5.0
	 */
	do_action( 'bp_core_set_avatar_globals' );
}