prepareTimestampBuffer( renderContext ) {

		if ( ! this.disjoint || ! this.trackTimestamp ) return;

		const type = renderContext.isComputeNode ? 'compute' : 'render';
		const timestampQueryPool = this.timestampQueryPool[ type ];

		timestampQueryPool.endQuery( renderContext );

	}
Prepares the timestamp buffer.

@param {RenderContext} renderContext - The render context.