# currentRenderPassDescriptor A render pass descriptor to draw into the current drawable. ``` var currentRenderPassDescriptor: MTLRenderPassDescriptor? { get } ``` ## Discussion Reading this property creates and returns a new render pass descriptor to render into the current drawable’s texture. [`MTKView`](/documentation/MetalKit/MTKView) doesn’t use this descriptor, and there’s no requirement for your application to use it. This property is `nil` if the view’s [`device`](/documentation/MetalKit/MTKView/device) property isn’t set or if [`currentDrawable`](/documentation/MetalKit/MTKView/currentDrawable) is `nil`. Your app should check that [`currentRenderPassDescriptor`](/documentation/MetalKit/MTKView/currentRenderPassDescriptor) isn’t `nil` before attempting to use it. The view configures the render pass as follows: - If multisampling isn’t enabled—The color attachment at index 0 of the render pass descriptor points to the texture assigned to the current drawable, with a load action of and a store action of . - If you’ve enabled multisampling—The color attachment at index 0 of the render pass descriptor points to the multisample texture, the resolve texture points to the texture assigned to the current drawable, and the attachment has a load action of and a store action of . - If you’ve specified a depth or stencil target—The render pass configures the appropriate targets, with a load action of and a store action of . --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)