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vulkan: create high-priority queues if possible

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This commit is contained in:
Julian Orth 2025-05-10 22:44:00 +02:00
parent 7a623006e2
commit 68713b2e39
9 changed files with 253 additions and 44 deletions
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113
src/gfx_apis/vulkan/device.rs
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@ -24,12 +24,12 @@ use {
physical_device_drm, queue_family_foreign,
},
khr::{
driver_properties, external_fence_fd, external_memory_fd, external_semaphore_fd,
self, driver_properties, external_fence_fd, external_memory_fd, external_semaphore_fd,
push_descriptor,
},
vk::{
self, DeviceCreateInfo, DeviceQueueCreateInfo, DeviceSize, DriverId,
ExternalSemaphoreFeatureFlags, ExternalSemaphoreHandleTypeFlags,
self, DeviceCreateInfo, DeviceQueueCreateInfo, DeviceQueueGlobalPriorityCreateInfoKHR,
DeviceSize, DriverId, ExternalSemaphoreFeatureFlags, ExternalSemaphoreHandleTypeFlags,
ExternalSemaphoreProperties, MAX_MEMORY_TYPES, MemoryPropertyFlags, MemoryType,
PhysicalDevice, PhysicalDeviceBufferDeviceAddressFeatures,
PhysicalDeviceDescriptorBufferFeaturesEXT, PhysicalDeviceDescriptorBufferPropertiesEXT,
@ -39,7 +39,7 @@ use {
PhysicalDeviceProperties2, PhysicalDeviceSynchronization2Features,
PhysicalDeviceTimelineSemaphoreFeatures,
PhysicalDeviceUniformBufferStandardLayoutFeatures, PhysicalDeviceVulkan12Properties,
Queue, QueueFlags,
Queue, QueueFamilyProperties2, QueueFlags, QueueGlobalPriorityKHR,
},
},
isnt::std_1::collections::IsntHashMap2Ext,
@ -50,6 +50,7 @@ use {
sync::Arc,
},
uapi::Ustr,
vk::QueueFamilyGlobalPriorityPropertiesKHR,
};
pub struct VulkanDevice {
@ -210,20 +211,42 @@ impl VulkanInstance {
fn find_queues(
&self,
phy_dev: PhysicalDevice,
) -> Result<(u32, Option<(u32, u32, u32)>), VulkanError> {
let props = unsafe {
) -> Result<
(
u32,
Option<(u32, u32, u32)>,
QueueGlobalPriorityKHR,
QueueGlobalPriorityKHR,
),
VulkanError,
> {
let len = unsafe {
self.instance
.get_physical_device_queue_family_properties(phy_dev)
.get_physical_device_queue_family_properties2_len(phy_dev)
};
let mut priority_props = vec![QueueFamilyGlobalPriorityPropertiesKHR::default(); len];
let mut props: Vec<_> = priority_props
.iter_mut()
.map(|p| QueueFamilyProperties2::default().push_next(p))
.collect();
unsafe {
self.instance
.get_physical_device_queue_family_properties2(phy_dev, &mut props[..])
}
let gfx_queue = props
.iter()
.position(|p| p.queue_flags.contains(QueueFlags::GRAPHICS))
.position(|p| {
p.queue_family_properties
.queue_flags
.contains(QueueFlags::GRAPHICS)
})
.ok_or(VulkanError::NoGraphicsQueue)?;
let transfer_queue = 'transfer: {
let mut transfer_only = None;
let mut compute_only = None;
let mut separate_gfx = None;
for (idx, props) in props.iter().enumerate() {
let props = &props.queue_family_properties;
if idx == gfx_queue {
continue;
}
@ -244,7 +267,7 @@ impl VulkanInstance {
if let Some(idx) = transfer_only.or(compute_only).or(separate_gfx) {
break 'transfer Some(idx);
}
if props[gfx_queue].queue_count > 1 {
if props[gfx_queue].queue_family_properties.queue_count > 1 {
break 'transfer Some(gfx_queue);
}
None
@ -252,13 +275,27 @@ impl VulkanInstance {
let mut width_mask = 0;
let mut height_mask = 0;
if let Some(idx) = transfer_queue {
let g = &props[idx].min_image_transfer_granularity;
let g = &props[idx]
.queue_family_properties
.min_image_transfer_granularity;
width_mask = g.width.wrapping_sub(1);
height_mask = g.height.wrapping_sub(1);
}
let get_priority = |idx: usize| {
let props = &priority_props[idx];
if props.priority_count > 0 {
props.priorities[props.priority_count as usize - 1]
} else {
QueueGlobalPriorityKHR::MEDIUM
}
};
Ok((
gfx_queue as _,
transfer_queue.map(|v| (v as _, width_mask, height_mask)),
get_priority(gfx_queue),
transfer_queue
.map(get_priority)
.unwrap_or(QueueGlobalPriorityKHR::MEDIUM),
))
}
@ -275,7 +312,11 @@ impl VulkanInstance {
.contains(ExternalSemaphoreFeatureFlags::IMPORTABLE)
}
pub fn create_device(self: &Rc<Self>, drm: &Drm) -> Result<Rc<VulkanDevice>, VulkanError> {
pub fn create_device(
self: &Rc<Self>,
drm: &Drm,
mut high_priority: bool,
) -> Result<Rc<VulkanDevice>, VulkanError> {
let render_node = drm
.get_render_node()
.map_err(VulkanError::FetchRenderNode)?
@ -293,7 +334,17 @@ impl VulkanInstance {
if !supports_descriptor_buffer {
log::warn!("Vulkan device does not support descriptor buffers");
}
let (graphics_queue_family_idx, transfer_queue_family) = self.find_queues(phy_dev)?;
let supports_queue_priority = extensions.contains_key(khr::global_priority::NAME);
if !supports_queue_priority && high_priority {
high_priority = false;
log::warn!("Vulkan device does not support queue priorities");
}
let (
graphics_queue_family_idx,
transfer_queue_family,
max_graphics_priority,
max_transfer_priority,
) = self.find_queues(phy_dev)?;
let mut distinct_transfer_queue_family_idx = None;
let mut transfer_granularity_mask = (0, 0);
if let Some((idx, width_mask, height_mask)) = transfer_queue_family {
@ -325,18 +376,31 @@ impl VulkanInstance {
let mut uniform_buffer_standard_layout_features =
PhysicalDeviceUniformBufferStandardLayoutFeatures::default()
.uniform_buffer_standard_layout(true);
let mut gfx_queue_device_queue_global_priority_create_info =
DeviceQueueGlobalPriorityCreateInfoKHR::default()
.global_priority(max_graphics_priority);
let mut trn_queue_device_queue_global_priority_create_info =
DeviceQueueGlobalPriorityCreateInfoKHR::default()
.global_priority(max_transfer_priority);
let mut queue_create_infos = ArrayVec::<_, 2>::new();
queue_create_infos.push(
DeviceQueueCreateInfo::default()
.queue_family_index(graphics_queue_family_idx)
.queue_priorities(&[1.0]),
);
let queue_create_info = |idx, priority_info| {
let mut info = DeviceQueueCreateInfo::default()
.queue_family_index(idx)
.queue_priorities(&[1.0]);
if high_priority {
info = info.push_next(priority_info);
}
info
};
queue_create_infos.push(queue_create_info(
graphics_queue_family_idx,
&mut gfx_queue_device_queue_global_priority_create_info,
));
if let Some((tq, _, _)) = transfer_queue_family {
queue_create_infos.push(
DeviceQueueCreateInfo::default()
.queue_family_index(tq)
.queue_priorities(&[1.0]),
);
queue_create_infos.push(queue_create_info(
tq,
&mut trn_queue_device_queue_global_priority_create_info,
));
}
let mut device_create_info = DeviceCreateInfo::default()
.push_next(&mut semaphore_features)
@ -433,6 +497,11 @@ impl VulkanInstance {
};
unsafe { device.get_device_queue(family_idx, queue_idx) }
});
if high_priority {
log::info!(
"Created queues with priorities {max_graphics_priority:?}/{max_transfer_priority:?}",
);
}
Ok(Rc::new(VulkanDevice {
physical_device: phy_dev,
render_node,