* Keep track mapped buffers with fixed offsets
* Started rewriting the memory manager
* Initial support for MapPhysicalMemory and UnmapPhysicalMemory, other tweaks
* MapPhysicalMemory/UnmapPhysicalMemory support, other tweaks
* Rebased
* Optimize the map/unmap physical memory svcs
* Integrate shared font support
* Fix address space reserve alignment
* Some fixes related to gpu memory mapping
* Some cleanup
* Only try uploading const buffers that are really used
* Check if memory region is contiguous
* Rebased
* Add missing count increment on IsRegionModified
* Check for reads/writes outside of the address space, optimize translation with a tail call
* Directly send host address to buffer data
* Cleanup OGLShader
* Directly copy vertex and index data too
* Revert shader bind "cache"
* Address feedback
* Query multiple pages at once with GetWriteWatch
* Allow multiple buffer types to share the same page, aways use the physical address as cache key
* Remove a variable that is no longer needed
* Call OpenGL functions directly, remove the pfifo thread, some refactoring
* Fix PerformanceStatistics calculating the wrong host fps, remove wait event on PFIFO as this wasn't exactly was causing the freezes (may replace with an exception later)
* Organized the Gpu folder a bit more, renamed a few things, address PR feedback
* Make PerformanceStatistics thread safe
* Remove unused constant
* Use unlimited update rate for better pref
