29 lines
829 B
Rust
29 lines
829 B
Rust
use ash::vk;
|
|
|
|
fn find_graphics_queue_family(
|
|
instance: &ash::Instance,
|
|
physical_device: vk::PhysicalDevice,
|
|
) -> u32 {
|
|
let queue_families =
|
|
unsafe { instance.get_physical_device_queue_family_properties(physical_device) };
|
|
// find the most specialized transfer queue.
|
|
for (index, queue_family) in queue_families.iter().enumerate() {
|
|
if queue_family.queue_count > 0
|
|
&& queue_family.queue_flags.contains(vk::QueueFlags::GRAPHICS)
|
|
{
|
|
return index as u32;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
pub fn get_graphics_queue(
|
|
instance: &ash::Instance,
|
|
device: &ash::Device,
|
|
physical_device: vk::PhysicalDevice,
|
|
) -> vk::Queue {
|
|
let queue_family = find_graphics_queue_family(instance, physical_device);
|
|
unsafe { device.get_device_queue(queue_family, 0) }
|
|
}
|