use crate::vk;
use crate::{Device, Instance};
use std::ffi::CStr;
use std::mem;
use std::os::raw::c_void;
#[derive(Clone)]
pub struct DeviceDiagnosticCheckpoints {
fp: vk::NvDeviceDiagnosticCheckpointsFn,
}
impl DeviceDiagnosticCheckpoints {
pub fn new(instance: &Instance, device: &Device) -> Self {
let fp = vk::NvDeviceDiagnosticCheckpointsFn::load(|name| unsafe {
mem::transmute(instance.get_device_proc_addr(device.handle(), name.as_ptr()))
});
Self { fp }
}
#[inline]
pub unsafe fn cmd_set_checkpoint(
&self,
command_buffer: vk::CommandBuffer,
p_checkpoint_marker: *const c_void,
) {
(self.fp.cmd_set_checkpoint_nv)(command_buffer, p_checkpoint_marker);
}
#[inline]
pub unsafe fn get_queue_checkpoint_data_len(&self, queue: vk::Queue) -> usize {
let mut count = 0;
(self.fp.get_queue_checkpoint_data_nv)(queue, &mut count, std::ptr::null_mut());
count as usize
}
#[inline]
pub unsafe fn get_queue_checkpoint_data(
&self,
queue: vk::Queue,
out: &mut [vk::CheckpointDataNV],
) {
let mut count = out.len() as u32;
(self.fp.get_queue_checkpoint_data_nv)(queue, &mut count, out.as_mut_ptr());
assert_eq!(count as usize, out.len());
}
#[inline]
pub const fn name() -> &'static CStr {
vk::NvDeviceDiagnosticCheckpointsFn::name()
}
#[inline]
pub fn fp(&self) -> &vk::NvDeviceDiagnosticCheckpointsFn {
&self.fp
}
}