[Interest] How to make WARP as fallback after d3d11 fails

Yuchen Deng loaden at gmail.com
Tue Mar 21 07:14:23 CET 2017


hi, everyone, I have a question about OpenGL support on Windows. How can I
do make WARP as fallback after d3d11 fails. for now it's depends mesa's
opengl32sw if angle's d3d11 fail.

I know to change the environment variable `set QT_OPENGL=angle` and `set
QT_ANGLE_PLATFORM=warp` can do that always, but I wanna when d3d11 fails
then set WARP as fallback not depends any environment variable setup.

I'll be thankful if you can help.

Some related links:
https://msdn.microsoft.com/en-us/library/windows/desktop/gg615082(v=vs.85).aspx
http://wiki.qt.io/Qt-5-on-Windows-ANGLE-and-OpenGL
http://stackoverflow.com/questions/27704529/deploying-qt5-on-windows-witho

-- 
Best Regards
Yuchen
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