[Interest] Problem with float texture rendering in QOpenGLWidget on Ivy Bridge/Haswell Intel GPUs on Windows

Viktor Engelmann viktor.engelmann at qt.io
Wed Jun 21 14:23:23 CEST 2017

On 21.06.2017 13:22, Elvis Stansvik wrote:
> ...
> However, I was hesitant to create a Qt bug report as I'm not at all
> sure yet that it's a Qt problem. There's still a possibility that it's
> a bug in the VTK rendering engine (though it does work when VTK is
> configured to use GLEW).

I actually guess it's a driver issue, but it would be nice to have a
dedicated bug report anyways, so we'd have a central point for tracking
the knowledge on the issue (at least, we could mark said bug reports as
duplicates of the new one, improving our statistics ;-) )

> ...
> The problem only seem to occur on Windows. It's working fine on my own
> Kubuntu 16.04 laptop (HD 4400 GPU).
yes, our bug reports also only affect windows (mostly 32 bit windows 7)


Viktor Engelmann
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