OpenGL interoperability
| The source for this sample can be found in the Khronos Vulkan samples github repository. | 
Extensions: VK_KHR_external_memory, VK_KHR_external_semaphore
Render a procedural image using OpenGL and incorporate that rendered content into a Vulkan scene. Demonstrates using the same backing memory for a texture in both OpenGL and Vulkan and how to synchronize the APIs using shared semaphores and barriers.