ImGui window doesn't show for Valheim - Vulkan

[FoxMaccloud]

Awesome to see an imgui hook example for Vulkan. This is the only example I could find! 😄

When injecting for Valheim, it appears to inject fine. However the imgui menu is not showing.

Steps to reproduce

Download Vulkan SDK.
Un-comment #define ENABLE_BACKEND_VULKAN in backend.hpp.
Open project in Visual Studio 2022.
Re-include imgui_impl_vulkan files.
Compile project.
Start Valheim using Vulkan.
Inject dll.

[bruhmoment21]

vulkan works for me so i guess you didn't force the game to use vulkan ("-force-vulkan", in the launch parameters) and it falls back to directx11

[FoxMaccloud]

I played around with it some more and found that when attempting to uninject, the allocated console doesn't disappear, but hangs around.
ReinitializeGraphicalHooks appears to be working fine (before unloading).

I'm not sure what's wrong. I tried using the -force-vulkan launch parameter, reinstalling the game and setting imgui window to the middle of the screen in case it rendered off-screen.
When using DX11 everything appears to work perfectly.

It looks like you don't have issues on your end, so I guess the issue lies with me.

[bruhmoment21]

are vulkan hooks being called? (simply place a breakpoint)

[FoxMaccloud]

The Vulkan hooks appears to be called just fine.

I don't see the window size being set anywhere. This is the 3rd time this func is called. The comment implies that 4K will be overwritten at some point?

Everything appears to be in order expect the menu not showing up...

[bruhmoment21]

what version of valheim are you playing and also what gpu do you have.

what you have posted is normal behaviour. but i still have no idea why the menu is not showing up

[FoxMaccloud]

I'm running version 2022-12-15 0.212.9 of the game and my GPU is an AMD Radeon Vega 64

[bruhmoment21]

I'm running version 2022-12-15 0.212.9 of the game and my GPU is an AMD Radeon Vega 64

put this code right here and then paste the output between "start detailed log" and "end detailed log"

LOG("start detailed log:\n");
    LOG("g_Device: %p\n", g_Device);
    LOG("called hkQueuePresentKHR() with queue: %p\n", queue);

    if (g_Device) {
        uint32_t count;
        vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, NULL);
        VkQueueFamilyProperties* queues = new VkQueueFamilyProperties[sizeof(VkQueueFamilyProperties) * count];
        vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, queues);
        for (uint32_t i = 0; i < count; ++i) {
            for (uint32_t j = 0; j < queues[i].queueCount; ++j) {
                VkQueue pQueue = VK_NULL_HANDLE;
                vkGetDeviceQueue(g_Device, i, j, &pQueue);

                LOG("\tqueue[%u][%u]: %p\n", i, j, pQueue);
            }
        }
        delete[] queues;
    }
    LOG("end detailed log.\n");

better post the whole log after injecting for the first time. (the console should be spammed with that log thing ive written)

[FoxMaccloud]

[+] Rendering backend: VULKAN
[+] Got window with name: 'Valheim'
[+] Vulkan: g_Instance: 0x000002839B37E7D0
[+] Vulkan: g_PhysicalDevice: 0x0000028372CE5A50
[+] Vulkan: g_QueueFamily: 0
[+] Vulkan: g_FakeDevice: 0x00000283B1089E30
[+] Vulkan: fnAcquireNextImageKHR: 0x00007FF9C160CB70
[+] Vulkan: fnAcquireNextImage2KHR: 0x00007FF9C160CBD0
[+] Vulkan: fnQueuePresentKHR: 0x00007FFA90B3AE60
[+] Vulkan: fnCreateSwapchainKHR: 0x00007FFA90B3A350
start detailed log:
g_Device: 00000282D81A94F0
called hkQueuePresentKHR() with queue: 00000282D81B15C0
        queue[0][0]: 00000282D81B15C0
        queue[1][0]: 0000000000000000
        queue[1][1]: 0000000000000000
        queue[2][0]: 0000000000000000
        queue[2][1]: 0000000000000000
end detailed log.
Calling Menu Render
start detailed log:
g_Device: 00000282D81A94F0
called hkQueuePresentKHR() with queue: 00000282D81B15C0
        queue[0][0]: 00000282D81B15C0
        queue[1][0]: 0000000000000000
        queue[1][1]: 0000000000000000
        queue[2][0]: 0000000000000000
        queue[2][1]: 0000000000000000
end detailed log.
Calling Menu Render
start detailed log:
g_Device: 00000282D81A94F0
called hkQueuePresentKHR() with queue: 00000282D81B15C0
        queue[0][0]: 00000282D81B15C0
        queue[1][0]: 0000000000000000
        queue[1][1]: 0000000000000000
        queue[2][0]: 0000000000000000
        queue[2][1]: 0000000000000000
```

[bruhmoment21]

i have no clue why it;s not working i guess you will have to stick to directx11
(disable all overlays maybe like discord or msi afterburner if you have any)

[FoxMaccloud]

Might be important to the issue.
On exit the dll seems to freeze the game after a few seconds.
Trying to step through to figure out why, I don't reach anything after vkDestroyInstance(g_Instance, g_Allocator); in CleanupDeviceVulkan.

[bruhmoment21]

2023-01-22.16-23-48.mp4

if you can u could try to test this on someones else pc to see if its just you. menu shows up on my screen and i have changed only the renderingbackend to vulkan thats it

[FoxMaccloud]

vulkanhook_small.mp4

Well this is how it looks for me. I'll see if I can find another PC to test on.

[bruhmoment21]

i think the game hung because you have selected text in the console.
do you have the overlay like geforce experience but for amd? (i forgot how its called)

you could even try to disable steams overlay which is here

[FoxMaccloud]

i think the game hung because you have selected text in the console.

No this happens always.

As for overlays. AMD has "AMD Adrenaline". I disabled both steam and adrenaline overlays but still all the same.

[bruhmoment21]

are you running the latest drivers and the latest win10 because i don t have a clue whats going on