You don't need to redraw the entire framebuffer with GPU rendering, either. It's perfectly possible to do small, partial updates. See for example https://regis

You don't need to redraw the entire framebuffer with GPU rendering, either. It's perfectly possible to do small, partial updates. See for example https://registry.khronos.org/EGL/extensions/EXT/EGL_EXT_buffer_age.txt https://registry.khronos.org/EGL/extensions/EXT/EGL_EXT_buff... And https://registry.khronos.org/EGL/extensions/KHR/EGL_KHR_partial_update.txt https://registry.khronos.org/EGL/extensions/KHR/EGL_KHR_part...