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use anyhow::Result;
use ash::{
extensions::ext::DebugUtils,
vk,
vk::{
DebugUtilsMessageSeverityFlagsEXT, DebugUtilsMessageTypeFlagsEXT,
DebugUtilsMessengerCallbackDataEXT, DebugUtilsMessengerEXT,
},
Entry,
};
use std::{borrow::Cow, ffi::CStr};
pub fn create_debug_logger(
entry: &Entry,
instance: &ash::Instance,
) -> Result<(DebugUtils, DebugUtilsMessengerEXT)> {
let debug_utils = DebugUtils::new(entry, instance);
let create_info = vk::DebugUtilsMessengerCreateInfoEXT {
message_severity: vk::DebugUtilsMessageSeverityFlagsEXT::VERBOSE
| vk::DebugUtilsMessageSeverityFlagsEXT::INFO
| vk::DebugUtilsMessageSeverityFlagsEXT::WARNING
| vk::DebugUtilsMessageSeverityFlagsEXT::ERROR,
message_type: vk::DebugUtilsMessageTypeFlagsEXT::GENERAL
| vk::DebugUtilsMessageTypeFlagsEXT::VALIDATION
| vk::DebugUtilsMessageTypeFlagsEXT::PERFORMANCE,
pfn_user_callback: Some(debug_callback),
..Default::default()
};
let debug_messenger = unsafe {
debug_utils.create_debug_utils_messenger(&create_info, None)?
};
Ok((debug_utils, debug_messenger))
}
unsafe extern "system" fn debug_callback(
message_severity: DebugUtilsMessageSeverityFlagsEXT,
message_type: DebugUtilsMessageTypeFlagsEXT,
p_callback_data: *const DebugUtilsMessengerCallbackDataEXT,
_user_data: *mut std::ffi::c_void,
) -> vk::Bool32 {
let callback_data = *p_callback_data;
let message = if callback_data.p_message.is_null() {
Cow::from("")
} else {
CStr::from_ptr(callback_data.p_message).to_string_lossy()
};
let message_id_name = if callback_data.p_message_id_name.is_null() {
Cow::from("")
} else {
CStr::from_ptr(callback_data.p_message_id_name).to_string_lossy()
};
let message_number = callback_data.message_id_number;
let raw_message = std::format!(
"Vulkan Debug Callback - {:?} :: {:?} [{} ({})]\n{}",
message_severity,
message_type,
message_id_name,
message_number,
message
);
let full_message = raw_message.replace("; ", ";\n\n");
match message_severity {
DebugUtilsMessageSeverityFlagsEXT::VERBOSE => {
log::debug!("{}", full_message);
}
DebugUtilsMessageSeverityFlagsEXT::INFO => {
log::info!("{}", full_message);
}
DebugUtilsMessageSeverityFlagsEXT::WARNING => {
log::warn!("{}", full_message);
}
DebugUtilsMessageSeverityFlagsEXT::ERROR => {
log::error!("{}", full_message);
}
_ => {
log::warn!("?? {}", full_message);
}
}
return vk::FALSE;
}