C Specification
The prototype for the
VkDebugReportCallbackCreateInfoEXT::pfnCallback function
implemented by the application is:
// Provided by VK_EXT_debug_report
typedef VkBool32 (VKAPI_PTR *PFN_vkDebugReportCallbackEXT)(
    VkDebugReportFlagsEXT                       flags,
    VkDebugReportObjectTypeEXT                  objectType,
    uint64_t                                    object,
    size_t                                      location,
    int32_t                                     messageCode,
    const char*                                 pLayerPrefix,
    const char*                                 pMessage,
    void*                                       pUserData);Parameters
- 
flagsspecifies the VkDebugReportFlagBitsEXT that triggered this callback.
- 
objectTypeis a VkDebugReportObjectTypeEXT value specifying the type of object being used or created at the time the event was triggered.
- 
objectis the object where the issue was detected. IfobjectTypeisVK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT,objectis undefined.
- 
locationis a component (layer, driver, loader) defined value specifying the location of the trigger. This is an optional value.
- 
messageCodeis a layer-defined value indicating what test triggered this callback.
- 
pLayerPrefixis a null-terminated UTF-8 string that is an abbreviation of the name of the component making the callback.pLayerPrefixis only valid for the duration of the callback.
- 
pMessageis a null-terminated UTF-8 string detailing the trigger conditions.pMessageis only valid for the duration of the callback.
- 
pUserDatais the user data given when the VkDebugReportCallbackEXT was created.
Description
The callback must not call vkDestroyDebugReportCallbackEXT.
The callback returns a VkBool32, which is interpreted in a
layer-specified manner.
The application should always return VK_FALSE.
The VK_TRUE value is reserved for use in layer development.
object must be a Vulkan object or VK_NULL_HANDLE.
If objectType is not VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT and
object is not VK_NULL_HANDLE, object must be a Vulkan
object of the corresponding type associated with objectType as defined
in https://registry.khronos.org/vulkan/specs/latest/html/vkspec.html#debug-report-object-types.
Document Notes
For more information, see the Vulkan Specification
This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.