[OpenFOAM] ParaFoam had GL version 2.1 with the gpu_shader4 extension is not suppoted error -- CFD Online Discussion Forums

December 6, 2018, 21:47	ParaFoam had GL version 2.1 with the gpu_shader4 extension is not suppoted error	#1
millie1022 New Member millie Join Date: Dec 2018 Posts: 1 Rep Power: 0	I have installed OpenFOAM 1806, compiled qt 5.9.3 and therefore paraview 5.5.2. when running the paraFoam or paraview, error would show: Error: Paraview-v5.5.2/VTK/Rendering/OpenGL2/vtkOpenGLRenderWindow.cxx, line 793 vtkOpenGLRenderWindow (0x473bc50): GL version 2.1 with the gpu_shader4 extension is not supported by your graphics driver but is required for the new OpenGL rendering backend. Please update your OpenGL driver. If you are using Mesa please make sure you have version 10.6.5 or later and make sure your driver in Mesa supports OpenGL 3.2. I tried to run "export MESA_GL_VERSION_OVERRIDE=3.2" then paraview would show blank. Thanks in advance.

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