Fixes several games which utilize clipping, such as Halo:CE which
uses clipping in multiplayer to render multiple player screens.
Research and original PoC work done by Jannik Vogel:
- JayFoxRox/xqemu-espes@c05d91b
- JayFoxRox/xqemu-espes@a254830
This patch adds an additional "retired" queue in which FIFO command
entry objects are placed after execution. This queue of objects is then
returned to the pusher's new "available" queue for re-use.
This improves the performance of the system by avoiding the costly
overhead associated with the general-purpose use of `malloc` and `free`
for previous allocation of FIFO command queue objects.
This patch does the following:
- Fixes up things for Qemu 2.x compat
- Factors out the high-level NV2A blocks into separate files
- Updates g-lru-cache for latest glib compat (github.com/chergert/glrucache@c10af24)
- Changes texture hashing algorithm from FNV to xxH v0.6.5
Matt Borgerson