Statements following return, break, continue, goto or throw will never be executed.
Fix merge
Add 2D panel in /canvas property tree.
Fix CMake when Simgear is build with SIMGEAR_HEADLESS=ON.
Replace OpenGL 1 (glBegin/glEnd) with osg::GLBeginEndAdapter
- Align the code of the 2D panel part in src/Cockpit/ with the code in utils/fgpanel/
Fix build with GDAL
Add 2D panel in /canvas property tree.