Struct BackdropCache 

pub struct BackdropCache {
    pub stats: BackdropCacheStats,
    /* private fields */
}

Bounded cache bookkeeping; GPU textures remain owned by each backend.

Fields

stats: BackdropCacheStats

Cumulative successfully encoded frame statistics.

Implementations

impl BackdropCache

pub fn prepare(&mut self, keys: Vec<BackdropCacheKey>, context: &[u64])

Prepare exact keys and a backend fingerprint of clear color/render settings.

pub fn invalidate(&mut self, index: usize)

Invalidate a newly allocated/replaced texture slot.

pub fn hit(&self, index: usize) -> bool

Whether the source capture and filter passes can be skipped.

pub fn start(&mut self, index: usize)

Clear the old key before overwriting its pixels, including on failed frames.

pub fn commit(&mut self, executed: &[usize])

Commit only boundaries encoded by a successfully encoded frame.

Trait Implementations

impl Default for BackdropCache

fn default() -> Self

Returns the “default value” for a type.