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Worked on #OpenXR #Vulkan support inside #Blender3d. After a couple of days hacking it is clear how the final solution would look like.
The rendering and displaying part is working. But need external memory to give the offscreen render result to OpenXR swapchain.
Time to add support for VK_KHR_external_memory_*.
Blender ProjectsWIP: Vulkan: OpenXR supportRef #133718
**Outline of the implementation**
The Blender's VkInstance cannot be shared with OpenXR VkInstance. The reason is a chicken and egg problem where OpenXR needs to be started before Vulkan. OpenXR can add special vulkan specific requirements (instance&device) that are only available w...