Slow emulation of StretchBlt

Andrea mariofutire at
Wed Apr 19 15:54:53 CDT 2017

On 19/04/17 12:03, Huw Davies wrote:
> On Mon, Apr 17, 2017 at 10:05:37PM -0700, Roderick Colenbrander wrote:
>> Depending on source, destination format and some other things it may
>> get accelerated e.g. by winex11.drv to xrender. Assuming xrender is
>> picked, it could be that your drivers are not accelerating this
>> situation.
> By default this won't happen and the stretching will be done in the
> dibdrv.  If you're running with the X11 driver, you could try adding
> the registry key
> [HKCU\\Software\\Wine\\X11 Driver]
> "ClientSideGraphics"="N"
> Huw.
It does indeed make a difference.

CPU usage goes from 25% to 15%

I will look at the next bottleneck.
Is there any drawback to setting N always?


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