fmod/studio/event_instance/
profiling.rs

1// Copyright (c) 2024 Melody Madeline Lyons
2//
3// This Source Code Form is subject to the terms of the Mozilla Public
4// License, v. 2.0. If a copy of the MPL was not distributed with this
5// file, You can obtain one at https://mozilla.org/MPL/2.0/.
6
7use std::{ffi::c_uint, mem::MaybeUninit};
8
9use fmod_sys::*;
10
11use crate::studio::{EventInstance, MemoryUsage};
12use crate::{FmodResultExt, Result};
13
14impl EventInstance {
15    /// Retrieves the event CPU usage data.
16    ///
17    /// [`crate::InitFlags::PROFILE_ENABLE`] with [`crate::SystemBuilder::build`] is required to call this function.
18    pub fn get_cpu_usage(&self) -> Result<(c_uint, c_uint)> {
19        let mut exclusive = 0;
20        let mut inclusive = 0;
21        unsafe {
22            FMOD_Studio_EventInstance_GetCPUUsage(
23                self.inner.as_ptr(),
24                &raw mut exclusive,
25                &raw mut inclusive,
26            )
27            .to_result()?;
28        }
29        Ok((exclusive, inclusive))
30    }
31
32    /// Retrieves memory usage statistics.
33    ///
34    /// Memory usage statistics are only available in logging builds, in release builds the return value will contain zero for all values this function.
35    pub fn get_memory_usage(&self) -> Result<MemoryUsage> {
36        let mut memory_usage = MaybeUninit::zeroed();
37        unsafe {
38            FMOD_Studio_EventInstance_GetMemoryUsage(
39                self.inner.as_ptr(),
40                memory_usage.as_mut_ptr(),
41            )
42            .to_result()?;
43
44            let memory_usage = memory_usage.assume_init().into();
45            Ok(memory_usage)
46        }
47    }
48}
fmod/studio/event_instance/profiling.rs

fmod/studio/event_instance/
profiling.rs
