54 lines
2.1 KiB
Rust
54 lines
2.1 KiB
Rust
use ash::vk;
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use tracing::{Level, event};
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/// # Safety
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/// `str` must be a valid null-terminated C string or null.
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unsafe fn str_from_raw_parts<'a>(str: *const i8) -> std::borrow::Cow<'a, str> {
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use std::{borrow::Cow, ffi};
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if str.is_null() {
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Cow::from("")
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} else {
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unsafe { ffi::CStr::from_ptr(str).to_string_lossy() }
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}
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}
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pub(super) unsafe extern "system" fn debug_callback(
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message_severity: vk::DebugUtilsMessageSeverityFlagsEXT,
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message_type: vk::DebugUtilsMessageTypeFlagsEXT,
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callback_data: *const vk::DebugUtilsMessengerCallbackDataEXT<'_>,
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user_data: *mut core::ffi::c_void,
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) -> vk::Bool32 {
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_ = user_data;
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// SAFETY:
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// - `callback_data` is a valid pointer to `DebugUtilsMessengerCallbackDataEXT`.
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// - `p_message_id_name` is a valid null-terminated C string or NULL.
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// - `p_message` is a valid null-terminated C string or NULL.
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let (message_id_number, message_id_name, message) = unsafe {
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let callback_data = &*callback_data;
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let message_id_number = callback_data.message_id_number;
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let message_id_name = str_from_raw_parts(callback_data.p_message_id_name);
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let message = str_from_raw_parts(callback_data.p_message);
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(message_id_number, message_id_name, message)
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};
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match message_severity {
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vk::DebugUtilsMessageSeverityFlagsEXT::ERROR => {
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event!(target: "VK::DebugUtils", Level::ERROR, "{message_type:?} [{message_id_name}({message_id_number})]: {message}");
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}
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vk::DebugUtilsMessageSeverityFlagsEXT::VERBOSE => {
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event!(target: "VK::DebugUtils", Level::TRACE, "{message_type:?} [{message_id_name}({message_id_number})]: {message}");
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}
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vk::DebugUtilsMessageSeverityFlagsEXT::INFO => {
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event!(target: "VK::DebugUtils", Level::INFO, "{message_type:?} [{message_id_name}({message_id_number})]: {message}");
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}
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vk::DebugUtilsMessageSeverityFlagsEXT::WARNING => {
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event!(target: "VK::DebugUtils", Level::WARN, "{message_type:?} [{message_id_name}({message_id_number})]: {message}");
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}
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_ => unreachable!(),
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}
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vk::FALSE
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}
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