Re: [Xen-devel] [PATCH] qemu sdl blitting

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

Stefano Stabellini wrote:
> Hi all,
> right now qemu takes care of converting pixels between the guest pixel 
> format and the sdl pixel format, after that qemu also memcpy the 
> converted pixels to the sdl buffer in video ram.
> This process can be improved using the SDL blit capabilities: the patch 
> I am attaching creates an SDL Surface from the Cirrus VGA framebuffer 
> and uses SDL blitting functions to convert and write pixels to video 
> ram. SDL blitting functions are optimized and can even be hardware 
> accelerated on some platforms.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

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