Bug 1799747 Comment 8 Edit History

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Original comment by
on 
bug 1756459 should still work for nvidia-vaapi-driver.

Maybe something like the following logic at the beginning of [vaapitest()](https://searchfox.org/mozilla-central/rev/e35e7107299a46a696b8aa8a4a5c03a39458ac21/toolkit/xre/glxtest.cpp#1116)?
if [dl_iterate_phdr](https://gist.github.com/kinichiro/66191f27963c9efe25d0) (bug 1804974 comment 2) finds "[..]vdpau_drv_video.so" {
record_warning("VA-API force-disabled: Please uninstall deprecated libva-vdpau-driver "
                           "which doesn't support vaGetDisplayDRM and most likely crashes");
return;
}

I assume bug 1804974 occured due to force-enabling: Would force-enabling be reliably prevented by [this code](https://searchfox.org/mozilla-central/rev/e35e7107299a46a696b8aa8a4a5c03a39458ac21/widget/gtk/GfxInfo.cpp#926-927)?
Revision 1 by
on 
bug 1756459 should still work for nvidia-vaapi-driver.

Would something like the following logic at the beginning of [vaapitest()](https://searchfox.org/mozilla-central/rev/e35e7107299a46a696b8aa8a4a5c03a39458ac21/toolkit/xre/glxtest.cpp#1116) work?
if [dl_iterate_phdr](https://gist.github.com/kinichiro/66191f27963c9efe25d0) (bug 1804974 comment 2) finds "[..]vdpau_drv_video.so" {
record_warning("VA-API force-disabled: Please uninstall deprecated libva-vdpau-driver "
                           "which doesn't support vaGetDisplayDRM and most likely crashes");
return;
}

I assume bug 1804974 occured due to force-enabling: Would force-enabling be reliably prevented by [this code](https://searchfox.org/mozilla-central/rev/e35e7107299a46a696b8aa8a4a5c03a39458ac21/widget/gtk/GfxInfo.cpp#926-927)?

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