24 lines
811 B
Rust
24 lines
811 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) }
|
||
|
}
|