Struct MetalDctToWaveletStageAccelerator 

pub struct MetalDctToWaveletStageAccelerator { /* private fields */ }

Optional Metal accelerator for j2k-transcode transform stages.

Implementations

impl MetalDctToWaveletStageAccelerator

pub const fn new_explicit() -> Self

Create an accelerator that treats unsupported Metal dispatch as an error.

pub const fn for_auto() -> Self

Create an accelerator that falls back to scalar CPU for small or unsupported jobs.

pub const fn with_auto_min_samples(self, min_samples: usize) -> Self

Override the minimum component sample count used before Auto mode dispatches non-reversible projection jobs to Metal.

pub const fn with_auto_dwt97_min_samples(self, min_samples: usize) -> Self

Override the minimum component sample count used before Auto mode dispatches 9/7 transform jobs to Metal.

pub const fn with_auto_dwt97_batch_thresholds( self, min_jobs: usize, min_samples: usize, ) -> Self

Override the 9/7 batch thresholds used before Auto mode dispatches a same-geometry batch to Metal.

pub const fn with_auto_reversible_min_samples(self, min_samples: usize) -> Self

Override the minimum component sample count used before Auto mode dispatches single reversible 5/3 jobs to Metal.

pub const fn with_auto_reversible_batch_thresholds( self, min_jobs: usize, min_samples: usize, ) -> Self

Override the reversible 5/3 batch thresholds used before Auto mode dispatches a same-geometry batch to Metal.

pub const fn reversible_dwt53_attempts(&self) -> usize

Number of reversible integer 5/3 jobs offered to this accelerator.

pub const fn reversible_dwt53_dispatches(&self) -> usize

Number of reversible integer 5/3 jobs handled by Metal.

pub const fn reversible_dwt53_batch_attempts(&self) -> usize

Number of reversible integer 5/3 batches offered to this accelerator.

pub const fn reversible_dwt53_batch_dispatches(&self) -> usize

Number of reversible integer 5/3 batches handled by Metal.

pub const fn dwt53_attempts(&self) -> usize

Number of 5/3 projection jobs offered to this accelerator.

pub const fn dwt53_dispatches(&self) -> usize

Number of 5/3 projection jobs handled by Metal.

pub const fn dwt97_attempts(&self) -> usize

Number of 9/7 transform jobs offered to this accelerator.

pub const fn dwt97_dispatches(&self) -> usize

Number of 9/7 transform jobs handled by Metal.

pub const fn dwt97_batch_attempts(&self) -> usize

Number of 9/7 transform batches offered to this accelerator.

pub const fn dwt97_batch_dispatches(&self) -> usize

Number of 9/7 transform batches handled by Metal.

pub const fn htj2k97_codeblock_batch_attempts(&self) -> usize

Number of 9/7 code-block-ready batches offered to this accelerator.

pub const fn htj2k97_codeblock_batch_dispatches(&self) -> usize

Number of 9/7 code-block-ready batches handled by Metal.

pub const fn last_dwt97_batch_stage_timings( &self, ) -> Option<Dwt97BatchStageTimings>

Backend stage timings for the most recent 9/7 batch dispatch.

pub fn dct_grid_to_reversible_dwt53_batch( &mut self, jobs: &[DctGridToReversibleDwt53Job<'_>], ) -> Result<Option<Vec<ReversibleDwt53FirstLevel>>, TranscodeStageError>

Dispatch a same-geometry batch of reversible integer 5/3 DCT-grid projection jobs.

Trait Implementations

impl Clone for MetalDctToWaveletStageAccelerator

fn clone(&self) -> MetalDctToWaveletStageAccelerator

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MetalDctToWaveletStageAccelerator

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

Formats the value using the given formatter.

impl Default for MetalDctToWaveletStageAccelerator

fn default() -> Self

Returns the “default value” for a type.