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.

src/vulkan/utils.rs

@@ -3,7 +3,7 @@ use std::ffi::CString;
 pub fn use_layers(
     entry: &ash::Entry,
     layers_to_select: Vec<&str>,
-) -> Vec<*const std::ffi::c_char> {
+) -> Vec<CString> {
     let layers_available = get_layers_available(entry);
 
     log_layers_available(&layers_available);
@@ -14,8 +14,8 @@ pub fn use_layers(
 
     selected_layers
         .iter()
-        .map(|sl| CString::new(sl.clone().as_bytes()).unwrap().as_ptr())
-        .collect()
+        .map(|sl| CString::new(sl.clone().as_bytes()).unwrap())
+        .collect::<Vec<_>>()
 }
 
 fn get_layers_available(entry: &ash::Entry) -> Vec<ash::vk::LayerProperties> {

src/vulkan/vk_instance.rs

@@ -15,9 +15,11 @@ impl VkInstance {
 
         // 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 =
@@ -50,7 +52,7 @@ impl VkInstance {
         // Instance Info
         let create_info = vk::InstanceCreateInfo::default()
             .application_info(&appinfo)
-            .enabled_layer_names(&layers)
+            .enabled_layer_names(&layers_raw)
             .enabled_extension_names(&extension_names)
             .flags(create_flags);
 

src/vulkan/vk_physical_device.rs

@@ -1,4 +1,6 @@
+use std::fmt::{Display, Formatter};
 use ash::vk;
+use crate::display::App;
 
 pub struct VkPhysicalDevice {
     // Vulkan properties
@@ -48,4 +50,11 @@ impl VkPhysicalDevice {
 
         priority
     }
-}
+}
+
+
+impl Display for VkPhysicalDevice {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(f, "\tNom: {:?}, Priorité: {}", self.properties.device_name_as_c_str().unwrap_or_default(), self.priority())
+    }
+}