Equivalent of "vtkOpenGLExtensionManager.h" for OpenGL2 backend
This issue was created automatically from an original Mantis Issue. Further discussion may take place here.
Porting some code to the new OpenGL backend, it seems there are no equivalent for this class.
The only code allowing to check if an extension is available seems to be only the function "IsExtensionSupported" in the "vtkXOpenGLRenderDevice.cxx".
The code I am trying to port is: