[Bug 99715] Don't print: "Note: Buggy applications may crash, if they do please report to vendor"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99715

--- Comment #5 from Rene Lindsay <rjklindsay at hotmail.com> ---
Hi programmerjake,

Thank you for the patch.  I do like the new wording on the Note:

vulkan: No DRI3 support detected - required for presentation
Note: DRI2 support detected, you can probably enable DRI3 in /etc/X11/xorg.conf

The new message is much more helpful, thank you.  :)

I applied the patch, and tested on my work-PC (Intel Skylake + NVidia 660 Ti), 
but unfortunately, I don't think the DRI2 detection is working as intended.

When I run the desktop on Intel Mesa, my Vulkan test app runs with no error
messages, but when I switch to proprietary NVidia drivers, it still prints the
error. (Both lines)  It looks like the code was supposed to print only the
first line when using the proprietary NVidia driver?

It seems NVidia shows up as running on DRI2.

Btw. I enable DRI3 by adding a file, called 20-intel.conf to folder
/etc/X11/xorg.conf.d, which contains the following text:

Section "Device"
        Identifier  "Intel Graphics"
        Driver      "intel"
        Option      "AccelMethod"  "sna"
        Option      "DRI" "3"
EndSection

The /etc/X11/xorg.conf file seems to get auto-regenerated regularly, with
NVidia-specific settings. Adding the DRI3 option there, seems to have no
effect.

Here's a good URL on how to enable DRI3:
http://askubuntu.com/questions/817226/how-to-enable-dri3-on-ubuntu-16-04

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