Struct TextTextureCache 

pub struct TextTextureCache {
    map: HashMap<TextTextureKey, Arc<RenderTexture>>,
    order: VecDeque<TextTextureKey>,
    hits: u64,
    misses: u64,
}

FIFO-bounded cache of rendered text textures.

Fields

map: HashMap<TextTextureKey, Arc<RenderTexture>>

order: VecDeque<TextTextureKey>

hits: u64

misses: u64

Implementations

impl TextTextureCache

pub fn new() -> Self

Build an empty cache.

pub fn get_or_insert<F>( &mut self, key: TextTextureKey, generate: F, ) -> Arc<RenderTexture>

where F: FnOnce() -> RenderTexture,

Get the cached texture for key, generating it via generate (which is only called on a miss).

pub fn stats(&self) -> (u64, u64)

(hits, misses) since construction.

pub fn len(&self) -> usize

Number of currently-resident entries.

pub fn is_empty(&self) -> bool

True when no entries are resident.

pub fn clear(&mut self)

Drop all cached entries.

Trait Implementations

impl Debug for TextTextureCache

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for TextTextureCache

fn default() -> Self

Returns the “default value” for a type.