[Paraview] Minimum system requirement for PV 4.3 volume rendering?

[Xu, Ruqing]

Hello,

I've installed PV 4.3 on a few PCs, all of them running Win 7 64-bit. What
I've found is that volume rendering, curiously, works on some of them and
fails on others. The error messages I got look like this:
=========================================
ERROR: In
C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\VolumeOpenGL\vtkOpenGLProjectedTetrahedraMapper.cxx,
line 188

vtkOpenGLProjectedTetrahedraMapper (0000000013AB80B0): The required
extensions are not supported.



Warning: In
C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkOpenGLExtensionManager.cxx,
line 781

vtkOpenGLExtensionManager (0000000013567D60): Attempting to load
GL_ARB_multitexture, which is not supported.



ERROR: In
C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkOpenGLExtensionManager.cxx,
line 787

vtkOpenGLExtensionManager (0000000013567D60): Extension GL_ARB_multitexture
could not be loaded.

===============================================

This seems to only happen to the relatively old PCs (~ 4 or 5 years old).
For example one of them has graphics card of ATI Radeon HD 3450 (Microsoft
Corporation WDDM 1.1), driver version 7.14.10.0018; another laptop has
Intel HD graphics, driver version 8.15.10.2559. - I'm wondering if these
are considered insufficient for volume rendering to work with PV 4.3.

More curiously, volume rendering seems to run OK with PV 4.2 on these
machines.

Thanks,

-Ruq
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