[Interest] Problems with graphics library auto-detect on Windows

[Thiago Macieira]

On terça-feira, 10 de maio de 2016 10:41:52 PDT Michael R Nelson wrote:
> Hi all,
> 
> Our app is QML based and uses Qt Quick Controls. We build for Windows, OS X,
> iOS, and Android.
> 
> As you know, Qt auto-selects a graphics library at startup (OpenGL, ANGLE,
> or Mesa llvmpipe). About 1 in 15 of our users report our app fails during
> this auto-detect process on Windows. Most failures appear to be poor OpenGL
> support in the card/drivers, but sometimes the issue is "vsprintf_s" export
> not found error, when running on XP. Updating drivers is rarely a fix for
> these scenarios.
> 
> We are coming to the conclusion we should force the use of ANGLE on Windows
> 7 and above, and force SoftOpenGL on XP. Have others also come to this
> conclusion? Does anyone have any helpful tips to share on this issue?

Hello Mike

Can you create bug reports with as much information you've got about the 
systems where the OpenGL driver was bad and yet Qt picked the native driver? 
We can adjust the detection heuristics.

As for Windows XP, it's up to you. It's not supported anymore.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center