GLContext.getRequiredVersion

void getRequiredVersion(out int major, out int minor)

Retrieves required OpenGL version set as a requirement for the context realization. It will not change even if a greater OpenGL version is supported and used after the context is realized. See [gdk.glcontext.GLContext.getVersion] for the real version in use.

See [gdk.glcontext.GLContext.setRequiredVersion].

Parameters

`major`	return location for the major version to request
`minor`	return location for the minor version to request