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use core::{self, Device, Fence};
use std::cmp::Ordering;
use std::hash::{Hash, Hasher};
use std::ptr;
use vks;
use {TryDestroyError, TryDestroyErrorKind, VulkanObject};
use khr_swapchain;
#[derive(Debug, Clone)]
pub struct Queue {
handle: vks::VkQueue,
device: Device,
}
unsafe impl Send for Queue { }
unsafe impl Sync for Queue { }
impl PartialEq for Queue {
#[inline]
fn eq(&self, other: &Self) -> bool {
self.handle == other.handle
}
}
impl Eq for Queue { }
impl PartialOrd for Queue {
#[inline]
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
self.handle.partial_cmp(&other.handle)
}
}
impl Ord for Queue {
#[inline]
fn cmp(&self, other: &Self) -> Ordering {
self.handle.cmp(&other.handle)
}
}
impl Hash for Queue {
#[inline]
fn hash<H: Hasher>(&self, state: &mut H) {
self.handle.hash(state);
}
}
impl VulkanObject for Queue {
type NativeVulkanObject = vks::VkQueue;
#[inline]
fn as_native_vulkan_object(&self) -> Self::NativeVulkanObject {
self.handle
}
fn try_destroy(self) -> Result<(), TryDestroyError<Self>> {
Err(TryDestroyError::new(self, TryDestroyErrorKind::Unsupported))
}
}
impl Queue {
pub(crate) fn new(handle: vks::VkQueue, device: Device) -> Self {
Queue {
handle: handle,
device: device,
}
}
pub(crate) fn loader(&self) -> &vks::DeviceProcAddrLoader {
self.device.loader()
}
pub fn submit(&self, submits: Option<&[core::SubmitInfo]>, fence: Option<Fence>) -> Result<(), core::Error> {
#[allow(unused_variables)]
let (submits_count, vk_submits_ptr, vk_submits, submits_wrappers) = match submits {
Some(submits) => {
let submits_wrappers: Vec<_> = submits.iter().map(|s| core::VkSubmitInfoWrapper::new(s, true)).collect();
let vk_submits: Vec<vks::VkSubmitInfo> = submits_wrappers.iter().map(|s| s.vks_struct).collect();
(submits.len() as u32, vk_submits.as_ptr(), Some(vk_submits), Some(submits_wrappers))
}
None => (0, ptr::null(), None, None),
};
let fence = fence.as_ref().map_or(ptr::null_mut(), Fence::handle);
let res = unsafe {
(self.loader().core.vkQueueSubmit)(self.handle, submits_count, vk_submits_ptr, fence)
};
if res == vks::VK_SUCCESS {
Ok(())
}
else {
Err(res.into())
}
}
pub fn wait_idle(&self) -> Result<(), core::Error> {
let res = unsafe {
(self.loader().core.vkQueueWaitIdle)(self.handle)
};
if res == vks::VK_SUCCESS {
Ok(())
}
else {
Err(res.into())
}
}
pub fn bind_sparse(&self, bind_infos: Option<&[core::BindSparseInfo]>, fence: Option<Fence>) -> Result<(), core::Error> {
#[allow(unused_variables)]
let (bind_infos_count, vk_bind_infos_ptr, vk_bind_infos, bind_infos_wrappers) = match bind_infos {
Some(bind_infos) => {
let bind_infos_wrappers: Vec<_> = bind_infos.iter().map(|b| core::VkBindSparseInfoWrapper::new(b, true)).collect();
let vk_bind_infos: Vec<vks::VkBindSparseInfo> = bind_infos_wrappers.iter().map(|b| b.vks_struct).collect();
(bind_infos.len() as u32, vk_bind_infos.as_ptr(), Some(vk_bind_infos), Some(bind_infos_wrappers))
}
None => (0, ptr::null(), None, None),
};
let fence = fence.as_ref().map_or(ptr::null_mut(), Fence::handle);
let res = unsafe {
(self.loader().core.vkQueueBindSparse)(self.handle, bind_infos_count, vk_bind_infos_ptr, fence)
};
if res == vks::VK_SUCCESS {
Ok(())
}
else {
Err(res.into())
}
}
pub fn queue_present_khr(&self, present_info: &mut khr_swapchain::PresentInfoKhr) -> Result<khr_swapchain::QueuePresentResultKhr, core::Error> {
let present_info_wrapper = khr_swapchain::VkPresentInfoKHRWrapper::new(present_info, true);
let res = unsafe {
(self.loader().khr_swapchain.vkQueuePresentKHR)(self.handle, &present_info_wrapper.vks_struct)
};
if let Some(ref mut results) = present_info.results {
results.clear();
for &result in &present_info_wrapper.results.unwrap() {
match result {
vks::VK_SUCCESS => results.push(Ok(khr_swapchain::QueuePresentResultKhr::Ok)),
vks::VK_SUBOPTIMAL_KHR => results.push(Ok(khr_swapchain::QueuePresentResultKhr::Suboptimal)),
_ => results.push(Err(result.into())),
}
}
}
match res {
vks::VK_SUCCESS => Ok(khr_swapchain::QueuePresentResultKhr::Ok),
vks::VK_SUBOPTIMAL_KHR => Ok(khr_swapchain::QueuePresentResultKhr::Suboptimal),
_ => Err(res.into()),
}
}
}