[vtkusers] OpenGL2 using mesa

[Róbert Špir]

Hi,
I compiled mesa opengl32.dll with llvmpipe using this guide
https://wiki.qt.io/Cross_compiling_Mesa_for_Windows and I can run vtk with
opengl2 backend using software rendering. It shows that opengl error but
otherwise it runs fine (albeit slow). The error can be disabled using
vtkObject::GlobalWarningDisplayOff();
Just be sure that you set the multisampling of renderwindow to 0, otherwise
it will crash.
Robert

-----Original Message-----
From: vtkusers [mailto:vtkusers-bounces at vtk.org] On Behalf Of ianl
Sent: Tuesday, September 27, 2016 4:26 PM
To: vtkusers at vtk.org
Subject: Re: [vtkusers] OpenGL2 using mesa

Hi, yes, I am using the latest guest additions (5.1.6) and I have explicitly
set the video driver in Windows to the latest VirtualBox one (also version
5.1.6). The environment variables didn't help, I'm afraid, even after a
reboot. This probably makes sense as Mesa was built totally without
LLVMPipe. Interestingly, glview now reports that it supports OpenGL 3.3
fully, so VTK is obviously not fooled, but glview was!



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