Re: [PATCH] kvm tools, ui: Optimize SDL updates

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* Pekka Enberg <penberg@xxxxxxxxxx> wrote:

> This patch optimizes SDL updates by keeping track of which parts of the guest
> screen have been written since last update and calling SDL_BlitSurface() and
> SDL_UpdateRect() for only changed parts of the screen.
> 
> Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxx>
> Cc: John Floren <john@xxxxxxxxxxx>
> Cc: Sasha Levin <levinsasha928@xxxxxxxxx>
> Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx>

I tried this one and updates got a bit faster.

We really need accelerated scrolling support though, i.e. framebuffer 
combined with virtio-fb for operations such as scrolling. Could we 
merge the repo up to v3.0-rc1 and write virtio-fb based on the 
virtio-gl patch?

Thanks,

	Ingo
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