_isRenderCameraDepthArray( renderContext ) {

		return renderContext.depthTexture && renderContext.depthTexture.isArrayTexture && renderContext.camera.isArrayCamera;

	}
Internal to determine if the current render target is a render target array with depth 2D array texture.

@param {RenderContext} renderContext - The render context.
@return {boolean} Whether the render target is a render target array with depth 2D array texture.

@private