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Similar to surfaceless context in OpenGL can we do it in Vulkan.
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Offscreen rendering lets you obtain the content of a BrowserWindow in a bitmap, so it can be rendered anywhere, for example, on texture in a 3D scene. The offscreen rendering in Electron uses a similar approach to that of the Chromium Embedded Framework project.
This infrastructure is known as the swapchain and must be created explicitly in Vulkan. The swapchain is essentially a queue of images that are waiting to be presented to the screen. Our application will acquire such an image to draw to it, and then return it to the queue.
Sure it's even designed to do so from the start.
Instead of getting your images from a swapchain, create them and allocate and bind memory for it yourself.
Getting the result back will then require a copy into a host-visible readback buffer after the render.
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