[vtk-developers] OpenGL backend - 1.1 vs 2.0

[Ben Boeckel]

On Wed, May 10, 2017 at 03:14:44 -0700, Vladimir Engelgardt wrote:
> Is there any workaround for this problem, i.e. detect GL version at runtime
> and use 1.1 or 2.0? If no, we are going to switch for OpenGL 1.1.

Note that the 1 vs. 2 meaning is a VTK-ism. The OpenGL2 backend requires
features from OpenGL 3.2 (at least). The "2" comes from the fact that
it's the second OpenGL backend, not the version of OpenGL.

--Ben