(Libretro) Only call fbo_create_from_native_fbo once outside of NativeRender
(PPSSPP) Expose Prescale UV core option - speedhack - can be very
beneficial on some GPUs for games like Tekken 6
Merge remote-tracking branch 'upstream/master'
Added shader options
Added gpu reset so the options apply without the need for a restart. It causes internal resolution to reset to 1x for some reason