* Use DeviceState for compute and i2m
* Migrate 2D class, more comments
* Migrate DMA copy engine
* Remove now unused code
* Replace GpuState by GpuAccessorState on GpuAcessor, since compute no longer has a GpuState
* More comments
* Add logging (disabled)
* Add back i2m on 3D engine
* Silence several build warnings
* Remove fixed buffers from NVDEC struct
* Remove unused field and usings
* Fix wrong name
* Silence more warning on H264 PictureInfo
* Add new structures from official docs, start migrating GPFifo
* Finish migration to new GPFifo processor
* Implement fast constant buffer data upload
* Migrate to new GPFifo class
* XML docs