1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54

#![allow(dead_code)]
use prelude::*;
use std::mem;
use vk;
use std::ffi::CStr;
use ::RawPtr;
use version::{EntryV1_0, InstanceV1_0};

#[derive(Clone)]
pub struct DebugReport {
    handle: vk::Instance,
    debug_report_fn: vk::DebugReportFn,
}

impl DebugReport {
    pub fn new<E: EntryV1_0, I: InstanceV1_0>(entry: &E,
                                              instance: &I)
                                              -> Result<DebugReport, Vec<&'static str>> {
        let debug_report_fn = vk::DebugReportFn::load(|name| {
            unsafe {
                mem::transmute(entry.get_instance_proc_addr(instance.handle(), name.as_ptr()))
            }
        })?;
        Ok(DebugReport {
            handle: instance.handle(),
            debug_report_fn: debug_report_fn,
        })
    }

    pub fn name() -> &'static CStr {
        CStr::from_bytes_with_nul(b"VK_EXT_debug_report\0").expect("Wrong extension string")
    }

    pub unsafe fn destroy_debug_report_callback_ext(&self, debug: vk::DebugReportCallbackEXT, allocation_callbacks: Option<&vk::AllocationCallbacks>) {
        self.debug_report_fn.destroy_debug_report_callback_ext(self.handle,
                                                               debug,
                                                               allocation_callbacks.as_raw_ptr());
    }

    pub unsafe fn create_debug_report_callback_ext(&self,
                                            create_info: &vk::DebugReportCallbackCreateInfoEXT, allocation_callbacks: Option<&vk::AllocationCallbacks>)
                                            -> VkResult<vk::DebugReportCallbackEXT> {
        let mut debug_cb = mem::uninitialized();
        let err_code = self.debug_report_fn
            .create_debug_report_callback_ext(self.handle,
                                              create_info,
                                              allocation_callbacks.as_raw_ptr(),
                                              &mut debug_cb);
        match err_code {
            vk::Result::Success => Ok(debug_cb),
            _ => Err(err_code),
        }
    }
}