Per https://registry.khronos.org/vulkan/specs/1.3-extensions/html/vkspec.html#renderpass-compatibility, we can reuse the framebuffer as long as the render passes are compatible (and the width/height haven't changed presumably).

I suspect for many frames, the previous frame's framebuffer is reusable.

We could also try to come up with a caching mechanism if this isn't sufficient.

Motivation is an internal trace of an app on a Pixel 5 device, which shows significant time spent in vkCreateFramebuffer: