Fix #16975 - OpenGL2 Rendering Backend with SWT
This merge request adresses the issues with #16975 (closed). It includes changes done by ChrisB.
Context switching is now handled by the java layer.
Supersedes !4784 (closed)
This merge request adresses the issues with #16975 (closed). It includes changes done by ChrisB.
Context switching is now handled by the java layer.
Supersedes !4784 (closed)