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//! <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VK_KHR_performance_query.html>
use crate::prelude::*;
use crate::vk;
use core::mem;
use core::ptr;
impl crate::khr::performance_query::Device {
/// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkAcquireProfilingLockKHR.html>
#[inline]
pub unsafe fn acquire_profiling_lock(
&self,
info: &vk::AcquireProfilingLockInfoKHR<'_>,
) -> VkResult<()> {
(self.fp.acquire_profiling_lock_khr)(self.handle, info).result()
}
/// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkReleaseProfilingLockKHR.html>
#[inline]
pub unsafe fn release_profiling_lock(&self) {
(self.fp.release_profiling_lock_khr)(self.handle)
}
}
impl crate::khr::performance_query::Instance {
/// Retrieve the number of elements to pass to [`enumerate_physical_device_queue_family_performance_query_counters()`][Self::enumerate_physical_device_queue_family_performance_query_counters()]
#[inline]
pub unsafe fn enumerate_physical_device_queue_family_performance_query_counters_len(
&self,
physical_device: vk::PhysicalDevice,
queue_family_index: u32,
) -> VkResult<usize> {
let mut count = mem::MaybeUninit::uninit();
(self
.fp
.enumerate_physical_device_queue_family_performance_query_counters_khr)(
physical_device,
queue_family_index,
count.as_mut_ptr(),
ptr::null_mut(),
ptr::null_mut(),
)
.assume_init_on_success(count)
.map(|c| c as usize)
}
///
/// Call [`enumerate_physical_device_queue_family_performance_query_counters_len()`][Self::enumerate_physical_device_queue_family_performance_query_counters_len()] to query the number of elements to pass to `out_counters` and `out_counter_descriptions`.
/// Be sure to [`Default::default()`]-initialize these elements and optionally set their `p_next` pointer.
#[inline]
pub unsafe fn enumerate_physical_device_queue_family_performance_query_counters(
&self,
physical_device: vk::PhysicalDevice,
queue_family_index: u32,
out_counters: &mut [vk::PerformanceCounterKHR<'_>],
out_counter_descriptions: &mut [vk::PerformanceCounterDescriptionKHR<'_>],
) -> VkResult<()> {
assert_eq!(out_counters.len(), out_counter_descriptions.len());
let mut count = out_counters.len() as u32;
(self
.fp
.enumerate_physical_device_queue_family_performance_query_counters_khr)(
physical_device,
queue_family_index,
&mut count,
out_counters.as_mut_ptr(),
out_counter_descriptions.as_mut_ptr(),
)
.result()?;
assert_eq!(count as usize, out_counters.len());
assert_eq!(count as usize, out_counter_descriptions.len());
Ok(())
}
#[inline]
pub unsafe fn get_physical_device_queue_family_performance_query_passes(
&self,
physical_device: vk::PhysicalDevice,
performance_query_create_info: &vk::QueryPoolPerformanceCreateInfoKHR<'_>,
) -> u32 {
let mut num_passes = mem::MaybeUninit::uninit();
(self
.fp
.get_physical_device_queue_family_performance_query_passes_khr)(
physical_device,
performance_query_create_info,
num_passes.as_mut_ptr(),
);
num_passes.assume_init()
}
}