[Mesa-dev] [PATCH RFC 4/4] dri: Turn of a couple of glx extensions for gnome-shell on vmwgfx.

[Michel Dänzer]

On 05/05/17 11:02 PM, Thomas Hellstrom wrote:
> Increases performance on vmwgfx since we're avoiding full buffer damage and
> since we can't sync to vertical retrace anyway.
> 
> Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>
> ---
>  src/mesa/drivers/dri/common/drirc | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/src/mesa/drivers/dri/common/drirc b/src/mesa/drivers/dri/common/drirc
> index 14d7713..a8f2ccf 100644
> --- a/src/mesa/drivers/dri/common/drirc
> +++ b/src/mesa/drivers/dri/common/drirc
> @@ -137,4 +137,11 @@ TODO: document the other workarounds.
>              <option name="glsl_zero_init" value="true"/>
>          </application>
>      </device>
> +    <!-- vmwgfx doesn't like full buffer swaps and can't sync to vertical retraces.-->
> +    <device driver="vmwgfx">
> +        <application name="gnome-shell" executable="gnome-shell">
> +            <option name="glx_disable_ext_buffer_age" value="true" />
> +            <option name="glx_disable_oml_sync_control" value="true" />
> +        </application>
> +    </device>
>  </driconf>
> 

Why restrict this to gnome-shell? Wouldn't any application using these
extensions be affected by the same issues?


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer