* Add support for CAL and RET shader instructions
* Remove unused stuff
* Fix a bug that could cause the wrong values to be passed to a function
* Avoid repopulating function id dictionary every time
* PR feedback
* Fix vertex shader A/B merge
* Initial transform feedback support
* Some nits and fixes
* Update ReportCounterType and Write method
* Can't change shader or TFB bindings while TFB is active
* Fix geometry shader input names with new naming
