move ui loop out of hw/pvr
vk: implement multi-rendering, delay swap. Load fb before render pass
fps counter now counts frames, not renders
vk: force ignoreTexAlpha for 565 texture in case the supporting texture
has an alpha channel (RTT). Fixes Alone in the Dark cinematic scenes.
pvr: better detection of frame swapping (FB_R_SOF/FB_W_SOF)
pvr: synchronous rendering now always waits for render in progress
(speed measurement not reliable, render skipped when multi-rendering)
vk: limit swap chain size to 2
fix aw lightgun trigger virtual key with new lightgun map
delay maple dma int when maple bus occupy is set for a lightgun.
raise maple int at vblank in if off screen
nudge reported position to avoid registering as off screen
Fixes missing half-screen in Wacky Races (PAL), Buzz Lightyear of Star Command (PAL),
Tom Clancy's Rainbow Six - Rogue Spear + Mission Pack - Urban Operations (PAL), Sega Worldwide Soccer 2000 (PAL)
Input record and replay support for test automation