Struct TimingQuery 

pub struct TimingQuery { /* private fields */ }

A GPU timer query for measuring dispatch duration.

Implementations

impl TimingQuery

pub fn create(gl: &Context) -> Self

Create a new timing query.

pub fn begin(&mut self, gl: &Context)

Begin the timer query.

pub fn end(&mut self, gl: &Context)

End the timer query.

pub fn is_available(&self, gl: &Context) -> bool

Check if the result is available (non-blocking).

pub fn result_ns(&mut self, gl: &Context) -> u64

Retrieve the elapsed time in nanoseconds (blocks until available).

pub fn last_result_ns(&self) -> u64

Get the last retrieved result without re-querying.

pub fn last_result_ms(&self) -> f64

Last result in milliseconds.

pub fn is_active(&self) -> bool

Whether a query is currently active (between begin/end).

pub fn destroy(self, gl: &Context)

Destroy the query.