extensions/nv: Add VK_NV_low_latency2 extension (#802)

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Marijn Suijten 2023-10-25 20:02:19 +02:00 committed by GitHub
parent 11647de859
commit 2d2aeac84a
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4 changed files with 109 additions and 1 deletions

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@ -25,6 +25,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Added `VK_EXT_vertex_input_dynamic_state` device extension (#784) - Added `VK_EXT_vertex_input_dynamic_state` device extension (#784)
- Added `VK_KHR_sampler_ycbcr_conversion` device extension (#785) - Added `VK_KHR_sampler_ycbcr_conversion` device extension (#785)
- Added `VK_EXT_swapchain_maintenance1` device extension (#786) - Added `VK_EXT_swapchain_maintenance1` device extension (#786)
- Added `VK_NV_low_latency2` device extension (#802)
### Changed ### Changed

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@ -518,7 +518,7 @@ impl Device {
self.handle, self.handle,
memory_requirements, memory_requirements,
&mut count, &mut count,
std::ptr::null_mut(), ptr::null_mut(),
); );
count as usize count as usize
} }

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@ -0,0 +1,105 @@
use crate::prelude::*;
use crate::vk;
use crate::RawPtr;
use crate::{Device, Instance};
use std::ffi::CStr;
use std::mem;
use std::ptr;
/// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/VK_NV_low_latency2.html>
#[derive(Clone)]
pub struct LowLatency2 {
handle: vk::Device,
fp: vk::NvLowLatency2Fn,
}
impl LowLatency2 {
pub fn new(instance: &Instance, device: &Device) -> Self {
let handle = device.handle();
let fp = vk::NvLowLatency2Fn::load(|name| unsafe {
mem::transmute(instance.get_device_proc_addr(handle, name.as_ptr()))
});
Self { handle, fp }
}
/// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkSetLatencySleepModeNV.html>
#[inline]
pub unsafe fn set_latency_sleep_mode(
&self,
swapchain: vk::SwapchainKHR,
sleep_mode_info: Option<&vk::LatencySleepModeInfoNV<'_>>,
) -> VkResult<()> {
(self.fp.set_latency_sleep_mode_nv)(self.handle, swapchain, sleep_mode_info.as_raw_ptr())
.result()
}
/// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkLatencySleepNV.html>
#[inline]
pub unsafe fn latency_sleep(
&self,
swapchain: vk::SwapchainKHR,
sleep_info: &vk::LatencySleepInfoNV<'_>,
) -> VkResult<()> {
(self.fp.latency_sleep_nv)(self.handle, swapchain, sleep_info).result()
}
/// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkSetLatencyMarkerNV.html>
#[inline]
pub unsafe fn set_latency_marker(
&self,
swapchain: vk::SwapchainKHR,
latency_marker_info: &vk::SetLatencyMarkerInfoNV<'_>,
) {
(self.fp.set_latency_marker_nv)(self.handle, swapchain, latency_marker_info)
}
/// Retrieve the number of elements to pass to [`get_latency_timings()`][Self::get_latency_timings()]
#[inline]
pub unsafe fn get_latency_timings_len(&self, swapchain: vk::SwapchainKHR) -> usize {
let mut count = 0;
(self.fp.get_latency_timings_nv)(self.handle, swapchain, &mut count, ptr::null_mut());
count as usize
}
/// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkGetLatencyTimingsNV.html>
///
/// Call [`get_latency_timings_len()`][Self::get_latency_timings_len()] to query the number of elements to pass to `latency_marker_info`.
/// Be sure to [`Default::default()`]-initialize these elements and optionally set their `p_next` pointer.
#[inline]
pub unsafe fn get_latency_timings(
&self,
swapchain: vk::SwapchainKHR,
latency_marker_info: &mut [vk::GetLatencyMarkerInfoNV<'_>],
) {
let mut count = latency_marker_info.len() as u32;
(self.fp.get_latency_timings_nv)(
self.handle,
swapchain,
&mut count,
latency_marker_info.as_mut_ptr(),
);
assert_eq!(count as usize, latency_marker_info.len());
}
/// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkQueueNotifyOutOfBandNV.html>
#[inline]
pub unsafe fn queue_notify_out_of_band(
&self,
queue: vk::Queue,
queue_type_info: &vk::OutOfBandQueueTypeInfoNV<'_>,
) {
(self.fp.queue_notify_out_of_band_nv)(queue, queue_type_info)
}
pub const NAME: &'static CStr = vk::NvLowLatency2Fn::NAME;
#[inline]
pub fn fp(&self) -> &vk::NvLowLatency2Fn {
&self.fp
}
#[inline]
pub fn device(&self) -> vk::Device {
self.handle
}
}

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@ -1,6 +1,7 @@
pub use self::coverage_reduction_mode::CoverageReductionMode; pub use self::coverage_reduction_mode::CoverageReductionMode;
pub use self::device_diagnostic_checkpoints::DeviceDiagnosticCheckpoints; pub use self::device_diagnostic_checkpoints::DeviceDiagnosticCheckpoints;
pub use self::device_generated_commands_compute::DeviceGeneratedCommandsCompute; pub use self::device_generated_commands_compute::DeviceGeneratedCommandsCompute;
pub use self::low_latency2::LowLatency2;
pub use self::memory_decompression::MemoryDecompression; pub use self::memory_decompression::MemoryDecompression;
pub use self::mesh_shader::MeshShader; pub use self::mesh_shader::MeshShader;
pub use self::ray_tracing::RayTracing; pub use self::ray_tracing::RayTracing;
@ -8,6 +9,7 @@ pub use self::ray_tracing::RayTracing;
mod coverage_reduction_mode; mod coverage_reduction_mode;
mod device_diagnostic_checkpoints; mod device_diagnostic_checkpoints;
mod device_generated_commands_compute; mod device_generated_commands_compute;
mod low_latency2;
mod memory_decompression; mod memory_decompression;
mod mesh_shader; mod mesh_shader;
mod ray_tracing; mod ray_tracing;