lucaspalomodevelop/meshlab
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README.md

#Use CPU OpenGL

This is a little qmake/cmake project for windows (it won't be compiled in other platforms) that generates a binary UseCPUOpenGL.exe file with admin privileges.

This binary is useful when MeshLab cannot start due to some graphic drivers that do not implement recent versions of OpenGL. In these cases, a (slow) CPU implementation of newer OpenGL leds MeshLab at least to start.

This binary must be run inside the MeshLab folder, and:

  • it renames the file opengl32sw.dll if present inside the MeshLab folder, or
  • it generates a opengl32.dll file that will be used by MeshLab instead of the system one.

Running meshlab, if glewInit() fails, UseCPUOpenGL.exe will be executed and the new opengl32.dll file will be renamed/placed in the MeshLab folder, overriding the system one just for MeshLab.