One game I cannot get to work even with flycast is Hydro Thunder. I get a black screen after the Dreamcast logo.

@oskeeeddie Re-install/Re-enable the RetroPie shares from the RetroPIe-Setup script and see if you get all 3 shares back.

@mitu alright thanks ill give that a shot

@mitu when the crash happen, i hard reset then restart the system as i can't get a tty in a freeze status.. so i go like you suggest me to get log from /dev/shm/runcommand.olg but i can't find nothing. infact as sometime get no crash i find there the log without error as a list the operation in the retropie like type of emulator rom launched etc. so crash without log or log without crash.
i can't go further..infact i can't understand what happened different when one time things go perfect ( sometime i change the kernel ... but second chances to run other rom all crash so i think is not depending on this ) i don't know if depend on using a particular type of emulator : neo geo or version of mame and i don't know, it's own configuration ( video settings, audio .. ) but i can't get log after crash ... so i dont know to proceed to fix. have a nice day and thnx for all the detailed reply.

I got this resolved on my system (Ubuntu 18.04, Intel i5-3470 iGPU) by installing and using Vulkan rendering. I did not have to download the Sys folder from the Dolphin source repo.

I must note that Vulkan is not supported on any CPU earlier than Ivy Bridge, so this may not be a viable solution for some people. Mine is the earliest possible generation chip this even works on, so I guess I got lucky.

Install Vulkan support and testing application

sudo apt install -y mesa-vulkan-drivers vulkan-utils

Test Vulkan (successful example):

vulkan-smoketest

Modify the GC and Wii cores' config files to use Vulkan renderer:

sed -i '$ i\video_driver = "vulkan"' /opt/retropie/configs/wii/retroarch.cfg sed -i '$ i\video_driver = "vulkan"' /opt/retropie/configs/gc/retroarch.cfg

After doing this, GC games worked fine. I'll come back and modify this post if necessary whenever I get around to adding Wii to my system.

I don't understand why you think there should be an Emulationstation folder in you $HOME after you install the package through the RetroPie-Setup - the installation folders for all packages are in /opt/retropie. After installation, you should be able to start Emulationstation using the RetroPie shortcut (.desktop) file added by the installer.

@mitu perfect thank you!

@mitu said in How does one make a script module for an emulator / branch:

@HoJo215 said in How does one make a script module for an emulator / branch:

DRI3 was the problem.

Isn't this a runtime settings for your X.org configuration ?

Actually I think it's part of the graphics or at least shader profile being used in mesa.
I have padoka's bleeding edge repository in use.. Otherwise known as unstable.
So things can go awry.. Like they did until I took a gander at the Makefile, saw some unused options, put 1 + 1 together and made some edits.. It worked a out beautifully.
Especially on the Flycast-Wince emu with the same Makefile edits. I'm playing Sega Rally 2 on 2x internal resolution, 2x br and a 4x pass xbr shaders without one hiccup.

Keep in mind this my first run with retropie x86. I decided to make small form factor emu box a month or so ago and gripped up a coffee lake NUC to guinea pig with. So everything is trial & error as I run with it.

To reply to my own post with more info...I believe this to be a bug with the Mednafen core and/or Retroarch. Possibly moreso Retroarch

Using the Vulkan renderer worked great for a while then all the sudden mid game my battle swirl went away and all i get now is a black screen with this as well. Same with the GL renderer as mentioned before if this is what you're reading. I replicated the same scenario with another device as well...

The swirls work fine initially then stopped working entirely for some unknown cause however i was reading this issue which had a very valid workaround:
Github-beetle

If on both OpenGL and Vulkan you want your battle swirlies and they just stopped working start the game, toggle ANY option on and off in Retroarch then resume the game and everything is fine. I cant believe i had not even tried that even by accident...

Edit: I ended up recording a video of this along with what actually works as a fix. Keep in mind there are NO core overrides and this is with stock retroarch settings which use OpenGL.

UPDATE: Thank you guys! Indeed Ubuntu was set to 4K, changed it to 1920x1080 60hz and it instantly solved the issue. Facepalm Rookie mistake! lol! I appreciate everyones help!

Thanks for the reply.
Removing the line autospawn=no enabled PulseAudio again if I'm not mistaking.

Already tried the 3rd answer on that thread with no luck.

@legion28 i have the same problem, only solution is to downgrade RA version...
In my case, when a press Xbox 360 guide button, its return to emulationstation...

@dox1842

I'm glad it's working and the resolution is expected behavior, but keep in mind that this only fixes the singular hotkey issue. While that's a positive for now, as long as you have 'save on exit' enabled and you continue to change your settings further, each system will have different configuration settings and problems like the one you just solved will begin to surface in other areas.

@mitu - Thanks for the link. I added the system environment variables mentioned in the ARCH wiki and verified the were set and showed up using vainfo. VLC itself still was accelerated (~30% CPU), emulationstation was still not @~165% cpu

pc@pc:~$ vainfo

libva info: VA-API version 1.1.0
libva info: va_getDriverName() returns 0
libva info: User requested driver 'i965'
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_1_1
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.1 (libva 2.1.0)
vainfo: Driver version: Intel i965 driver for Intel(R) CherryView - 2.1.0
vainfo: Supported profile and entrypoints
VAProfileMPEG2Simple : VAEntrypointVLD
VAProfileMPEG2Simple : VAEntrypointEncSlice
VAProfileMPEG2Main : VAEntrypointVLD
VAProfileMPEG2Main : VAEntrypointEncSlice
VAProfileH264ConstrainedBaseline: VAEntrypointVLD
VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
VAProfileH264Main : VAEntrypointVLD
VAProfileH264Main : VAEntrypointEncSlice
VAProfileH264High : VAEntrypointVLD
VAProfileH264High : VAEntrypointEncSlice
VAProfileH264MultiviewHigh : VAEntrypointVLD
VAProfileH264MultiviewHigh : VAEntrypointEncSlice
VAProfileH264StereoHigh : VAEntrypointVLD
VAProfileH264StereoHigh : VAEntrypointEncSlice
VAProfileVC1Simple : VAEntrypointVLD
VAProfileVC1Main : VAEntrypointVLD
VAProfileVC1Advanced : VAEntrypointVLD
VAProfileNone : VAEntrypointVideoProc
VAProfileJPEGBaseline : VAEntrypointVLD
VAProfileJPEGBaseline : VAEntrypointEncPicture
VAProfileVP8Version0_3 : VAEntrypointVLD
VAProfileVP8Version0_3 : VAEntrypointEncSlice
VAProfileHEVCMain : VAEntrypointVLD

@mitu good look fam.

@willindiana You can edit retroarch.cfg and set the driver. May I suggest you try also the lr-beetle-psx core ? It has Vulkan support and since you're on x86 it can be installed from the optional packages section.

@xadox said in Different Shader Versions:

Is RetroPie using special optimized shaders for the pi?

it uses a curated subset of the shaders that have been shown to work well or work at all. many shaders in the libretro repo will crash or not work right.

To be a bit more clear: when selecting a non-working preset retroarch just dumps me back to the filter selection screen without making any changes.