[Spice-devel] WDDM driver for Win7?

Frediano Ziglio fziglio at redhat.com
Mon Sep 12 16:22:15 UTC 2016


> Is there a way to get the WDDM driver to work on Win7?

> I am having annoying flicker issues with the XDDM driver, where parts of the
> display that refresh (such as a moving chart) produces seizure inducing
> flickering on just that part of the display. I am assuming its some "what
> changed" algorithm QXL driver is using to only render changed parts of the
> video memory.

> I want to test with WDDM driver fixes this.

> Just a note that no driver, or vmware svga II driver produces no flickering,
> but then spice has other troubles like with mouse lag.


There is no actual WDDM driver for Windows 7 but perhaps would be better to
fix/improve the actual driver instead of trying another one.

Are you able to try current WDDM driver with a recent version of Windows
(like Windows 10) and see if the flickering is still present?

How can we reproduce the issue? Which application are you using?
Can you post a small video of the issue?

Frediano


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