* Start adding a corner pin node
* Start gizmo support
* Correctly setup QVector2d inputs
* Missing breaks were causing incorect data to be set
* Add ability to override vertex coords
* Get perspective pin working
* Cleanup
* Add none perspective corner pin
* Small optimisation
* Improve comments, clean up and fix bug in job optimisation
* [skip ci] cornerpin: Improve description
* Move GL extension from shader to standard preamble.
* Use #version 130 for mobile GPU compatibility
* Cache half resolution
* Use built in NodeInputDragger::GetStartValue
* Pass cnst references to avoid deep copies
Co-authored-by: itsmattkc <itsmattkc@gmail.com>
