44 lines
895 B
Rust
44 lines
895 B
Rust
use crate::timestep::get_micros;
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pub struct Profiler {
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interval_us: u64,
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last_measure_us: u64,
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frametime_sum_us: u64,
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measure_frames: u64,
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time_start_us: u64,
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}
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impl Profiler {
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pub fn new(interval_ms: u64) -> Self {
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Self {
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frametime_sum_us: 0,
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interval_us: interval_ms * 1000,
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last_measure_us: 0,
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measure_frames: 0,
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time_start_us: 0,
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}
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}
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pub fn start(&mut self) {
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self.time_start_us = get_micros();
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}
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pub fn end(&mut self) {
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let cur_micros = get_micros();
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let frametime = cur_micros - self.time_start_us;
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self.measure_frames += 1;
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self.frametime_sum_us += frametime;
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if self.last_measure_us + self.interval_us < cur_micros {
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log::debug!(
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"avg frametime: {:.3}ms",
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(self.frametime_sum_us / self.measure_frames) as f32 / 1000.0
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);
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self.last_measure_us = cur_micros;
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self.frametime_sum_us = 0;
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self.measure_frames = 0;
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}
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}
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}
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