Re: [Qemu-devel] [PATCH] opengl rendering in the sdl window

[Jamie Lokier]

Anthony Liguori wrote:
> But copying data isn't super expensive assuming you're hitting the cpu 
> cache (which you probably are). So I don't know how much it saves in 
> real life.

Indeed.  Framebuffers are sometimes a bit big to fit in the CPU cache,
if the whole picture is being updated.  But I see what you mean when
there's a partial update.

-- Jamie