katz1

Thanks for the quick response. My properties tab does claim that Core is the default, it looks like this:  I did try setting the ContextProfile manually like this: ```...

I also tried making the control from code behind instead of xaml, but I experience the same issue: ``` var conv = new Khronos.KhronosVersionConverter(); var version = (Khronos.KhronosVersion)conv.ConvertFromString("3.3"); var glControl...

Thanks for the response. Unfortunately I do not receive any exception until the _ActiveTexture_ call. WPF should not mask exceptions normally, but the WindowsFormsHost control may have some strange behaviour....

I would love to use this feature in `Send to Disk` mode as well.

Strangely I am not always getting the same validation errors. Sometimes I have this one as well: `[Vulkan] Validation Error: [ VUID-VkSemaphoreTypeCreateInfo-timelineSemaphore-03252 ] | MessageID = 0x396b5439 | vkCreateSemaphore(): pCreateInfo->semaphoreType...

Thanks for responding! Yes, removing line 124 in `Pipeline.cpp` did fix the `VkGraphicsPipelineCreateInfo` issues. I didn't realize you are not using timeline semaphores, I guess this also comes from the...

Commenting out `return BeginFrameResult::SkipRender;` as you suggested fixed the swapchain error. The sample is fully functional now on my setup, thanks for your help! I have lots of validation errors...

It looks like `useSemaphores` is always `true` in my case, so that if-block is always executed.

I tried the `/*frameState.shouldRender &&*/` change you suggested. I still have render output in both headset and mirrorview. The validation issues are still there it seems: ``` [Vulkan] Validation Error:...

I pulled and reverted my changes. Sadly I have an `Access Violation` error now at line: `XrResult result = xrEnumerateInstanceExtensionProperties(nullptr, 0u, &instanceExtensionCount, nullptr);` I guess this is the first XR...