New subject: [Bug 49542] vkGetInstanceProcAddr shouldn't return an address for missing functions

8 Jul 2020


      https://bugs.winehq.org/show_bug.cgi?id=49542
Bug ID: 49542
           Summary: vkGetInstanceProcAddr shouldn't return an address for
                    missing functions
           Product: Wine
           Version: 5.12
          Hardware: x86-64
                OS: Mac OS X
            Status: NEW
          Severity: normal
          Priority: P2
         Component: winevulkan
          Assignee: wine-bugs@winehq.org
          Reporter: gijsvrm@gmail.com
Created attachment 67677
  --> https://bugs.winehq.org/attachment.cgi?id=67677
+vulkan log
This causes test_enumerate_physical_device2() in vulkan-1/tests/vulkan.c to
crash on macOS.
It tries to call vkGetPhysicalDeviceProperties2 which is missing from MoltenVK.
The test has a skip if it can't find vkGetPhysicalDeviceProperties2, but it
isn't triggered.
The problem I've "found" is that macdrv_vkGetInstanceProcAddr correctly returns
NULL for vkGetPhysicalDeviceProperties2, but in the test it uses
vkGetInstanceProcAddr. vkGetInstanceProcAddr goes to wine_vkGetInstanceProcAddr
and that uses wine_vk_get_instance_proc_addr. 
wine_vk_get_instance_proc_addr doesn't return NULL, because it just checks some
sort of table.
Attached is a +vulkan log.
I'm running macOS 10.14, wine compiled with mingw and the 10.13 SDK.
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[Bug 49542] New: vkGetInstanceProcAddr shouldn't return an address for missing functions