Properties
				
				
					
					Protected _depthStencilTexture
					
					
				
				
				
					
					Protected _hasOffScreenAttachments
					_hasOffScreenAttachments: boolean = false
					
				
				
					
					Protected _hasOnScreenAttachments
					_hasOnScreenAttachments: boolean = false
					
				
				
					
					Protected _height
					_height: number = 1
					
				
				
					
					Protected _nativeHeight
					_nativeHeight: number = 1
					
				
				
					
					Protected _nativeWidth
					_nativeWidth: number = 1
					
				
				
				
					
					Protected _shouldSyncSizeWithSwapchain
					_shouldSyncSizeWithSwapchain: boolean = false
					
				
				
					
					Protected _swapchainBufferIndices
					_swapchainBufferIndices: number = 0
					
				
				
					
					Protected _title
					_title: string = ""
					
				
				
					
					Protected _width
					_width: number = 1
					
				
			
			 
渲染窗口代表了一个渲染目标,可以是离屏的帧缓冲,也可以是屏幕缓冲