MAMEWorld Forums - EmuChat - Re: bgfx is awesome!! Got some questions...

> 1) I've had a few drivers crash with errors that start similar to below...
>
> -----------------------------------------------------
> Exception at EIP=0000000003a427fc (chain_manager::update_screen_textures(unsigned
> int, render_primitive*, osd_window&)+
> x03bc): ACCESS VIOLATION
> While attempting to read memory at ffffffffffffffff
> -----------------------------------------------------
>
> ... specifically snes, genesis, breakout. Is this likely something on my side, like
> with my video card? Or something else? (Hoping to get something up to date next
> year).

Known issue with 0.215, resolved for the upcoming 0.216 release. There are a few other issues with the BGFX backend in 0.215 that have since been resolved for 0.216:

- MAME crashes when running laserdisc games.
- If it doesn't crash, the OpenGL backend just shows a 2x2 grid of huge pixels for Laserdisc games.
- Brightness/Contrast/Gamma adjusters don't work.
- The "none" screen chain doesn't work for certain games.
- Game & Watch games are heavily glitched on the primary screen. This has not yet been fully fixed, the shadow pass still does not appear for the primary screen, but it works fine if you specify -bgfx_screen_chains none,none,none,none in order to avoid the post-processing passes.