Enhance vulkan instance and physical device display formatting

Refactor Vulkan instance and physical device formatting for better clarity. Added formatter utilities to encapsulate version and property formatting. Updated logging to use the new formatted output for improved debug readability.

src/vulkan/vk_instance.rs

@@ -1,9 +1,10 @@
 use std::ffi::{c_char, CString};
-use std::fmt::{Display, Formatter};
+use std::fmt::{Debug, Display, Formatter};
 use ash::{Instance, vk, Entry};
 use ash::khr::surface;
 use winit::raw_window_handle::{HasDisplayHandle, HasWindowHandle};
-use crate::vulkan::utils::{use_layers, LayersSelector};
+use crate::vulkan::utils::formatter::format_instance_layer;
+use crate::vulkan::utils::layers::{use_layers, LayersSelector};
 use crate::vulkan::vk_surface::VkSurface;
 use crate::vulkan::VkPhysicalDevice;
 
@@ -27,7 +28,6 @@ impl VkInstance {
                 "VK_LAYER_NV_optimus"
             ])
         );
-        log::info!("{:?}", layers);
         let layers_raw = layers.iter().map(|s| s.as_ptr()).collect::<Vec<_>>();
 
         // App Info
@@ -108,6 +108,22 @@ impl Drop for VkInstance {
 
 impl Display for VkInstance {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
-        write!(f, "Vulkan Version:")
+        writeln!(f, "")?;
+
+        let instance_layers = unsafe { self.entry.enumerate_instance_layer_properties().unwrap_or_default() };
+        writeln!(f, "Instance layers ({}) :", instance_layers.len())?;
+        for instance_layer in &instance_layers {
+            writeln!(f, "{}", format_instance_layer(instance_layer))?;
+        }
+        writeln!(f, "")?;
+
+        let physical_devices = self.get_physical_devices();
+        writeln!(f, "Physical Devices ({}) :", physical_devices.len())?;
+        for physical_device in physical_devices {
+            writeln!(f, "{physical_device}")?;
+        }
+        writeln!(f, "")?;
+
+        Ok(())
     }
 }