How it works...

Almost all the typical work done in 3D rendering applications is performed using device-level functions. They are used to create buffers, images, samplers, or shaders. We use device-level functions to create pipeline objects, synchronization primitives, framebuffers, and many other resources. And, most importantly, they are used to record operations that are later submitted (using device-level functions too) to queues, where these operations are processed by the hardware. This all is done with device-level functions.

Device-level functions, like all other Vulkan functions, can be loaded using the vkGetInstanceProcAddr() function, but this approach is not optimal. Vulkan is designed to be a flexible API. It gives the option ...

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