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#[repr(i32)]
#[non_exhaustive]
pub enum PresentMode {
    Immediate,
    Mailbox,
    Fifo,
    FifoRelaxed,
}
Expand description

The way presenting a swapchain is accomplished.

Variants (Non-exhaustive)

This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Immediate

Immediately shows the image to the user. May result in visible tearing.

Mailbox

The action of presenting an image puts it in wait. When the next vertical blanking period happens, the waiting image is effectively shown to the user. If an image is presented while another one is waiting, it is replaced.

Fifo

The action of presenting an image adds it to a queue of images. At each vertical blanking period, the queue is popped and an image is presented.

Guaranteed to be always supported.

This is the equivalent of OpenGL’s SwapInterval with a value of 1.

FifoRelaxed

Same as Fifo, except that if the queue was empty during the previous vertical blanking period then it is equivalent to Immediate.

This is the equivalent of OpenGL’s SwapInterval with a value of -1.

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Performs the conversion.

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=.

The type returned in the event of a conversion error.

Performs the conversion.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.