Protocol

MTLDrawable

A displayable resource that can be rendered or written to.

Declaration

protocol MTLDrawable

Topics

Presenting the Drawable

func present()

Presents the drawable on the screen as soon as possible.

Required.

func present(afterMinimumDuration: CFTimeInterval)

Presents the drawable on the screen after waiting for the previous drawable to meet the minimum display time.

Required.

func present(at: CFTimeInterval)

Presents the drawable on the screen at a specific host time.

Required.

func addPresentedHandler(MTLDrawablePresentedHandler)

Registers a block of code that is called immediately after the drawable has been presented on the screen.

Required.

typealias MTLDrawablePresentedHandler

A block of code invoked when a drawable has been presented.

Identifying the Drawable

var drawableID: Int

A positive integer that identifies the drawable.

Required.

var presentedTime: CFTimeInterval

The host time, in seconds, when the drawable was displayed on the screen.

Required.

Relationships

Inherits From

Inherited By

See Also

Metal Drawables

Obtaining, Presenting, and Releasing Drawables

Hold drawables as briefly as possible to avoid blocking your own work.

protocol CAMetalDrawable

A displayable resource that can be rendered or written to by Metal.

Beta Software

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