vulkano_test/src/vulkan/vk_instance.rs
Florian RICHER 4048937a6c
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Refactor VK layer handling and add logging improvements
Refactored VK layer handling by changing return type of `use_layers` to `Vec<CString>`, adjusting subsequent usage of layers. Implemented `Display` for `VkPhysicalDevice` for better logging. Enhanced application initialization with detailed window attributes. Transitioned to using `log::info` for consistent logging.
2024-11-10 11:27:45 +01:00

86 lines
No EOL
2.7 KiB
Rust

use std::ffi::CString;
use ash::{Instance, vk, Entry};
use winit::raw_window_handle::{HasDisplayHandle};
use crate::vulkan::utils::use_layers;
use crate::vulkan::VkPhysicalDevice;
pub struct VkInstance {
entry: Entry,
handle: Instance,
}
impl VkInstance {
pub fn new(window: &impl HasDisplayHandle) -> Self {
let entry = Entry::linked();
// Layers
let layers = use_layers(&entry, vec![
"VK_LAYER_KHRONOS_validation",
"VK_LAYER_MANGOHUD_overlay_x86_64",
"VK_LAYER_NV_optimus"
]);
let layers_raw = layers.iter().map(|s| s.as_ptr()).collect::<Vec<_>>();
// Extensions
let mut extension_names =
ash_window::enumerate_required_extensions(window.display_handle().expect("No display handle").as_raw())
.unwrap()
.to_vec();
#[cfg(any(target_os = "macos", target_os = "ios"))]
{
extension_names.push(ash::khr::portability_enumeration::NAME.as_ptr());
// Enabling this extension is a requirement when using `VK_KHR_portability_subset`
extension_names.push(ash::khr::get_physical_device_properties2::NAME.as_ptr());
}
// App Info
let app_name = CString::new("VulkanTriangle").unwrap();
let appinfo = vk::ApplicationInfo::default()
.application_name(app_name.as_c_str())
.application_version(0)
.engine_name(app_name.as_c_str())
.engine_version(0)
.api_version(vk::make_api_version(0, 1, 0, 0));
let create_flags = if cfg!(any(target_os = "macos", target_os = "ios")) {
vk::InstanceCreateFlags::ENUMERATE_PORTABILITY_KHR
} else {
vk::InstanceCreateFlags::default()
};
// Instance Info
let create_info = vk::InstanceCreateInfo::default()
.application_info(&appinfo)
.enabled_layer_names(&layers_raw)
.enabled_extension_names(&extension_names)
.flags(create_flags);
let instance: Instance = unsafe {
entry
.create_instance(&create_info, None)
.expect("Instance creation error")
};
Self {
entry,
handle: instance
}
}
pub fn get_physical_devices(&self) -> Vec<VkPhysicalDevice> {
let physical_devices = unsafe { self.handle.enumerate_physical_devices() };
physical_devices
.unwrap_or_default()
.iter().map(|physical_device| VkPhysicalDevice::new(&self.handle, *physical_device))
.collect()
}
}
impl Drop for VkInstance {
fn drop(&mut self) {
unsafe {
self.handle.destroy_instance(None);
}
}
}