Raspberry Pi 4 is now OpenGL ES 3.1 conformant.
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This is awesome! I cant wait to test this out. He says you have to grab the mesa drivers upstream, anyone know how to do that?
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@quicksilver Probably installing from source from https://gitlab.freedesktop.org/mesa.
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Quoted from Raspberry Pi forum :)
Igalia have done a great job on this and are still going; 3.2 is on its way
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Are there any emulators that would take advantage of openGL ES 3.2?
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Mesa 19.3.2 available for testing
Quoted:
"*We've updated Mesa to 19.3.2 to get all the new fixes and features, but this required updates to llvm-9, libclc, libdrm and libglvnd. Sometimes updating libraries like these can mess with packages which depend on them, so testers are definitely welcome."
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I'm going to try testing it out now. @dankcushions do you know if certain emulators just automatically take advantage of the glES 3.1 pathways or do additional steps need to be taken?
After install of new drivers:
Some games that used to work are now locking up and crashing. Also overclocking seems to have been removed or reduced. System wouldn't even finish booting until I removed my previously working overclock settings. -
@quicksilver If you are doing the update and your Pi is overclocked, don't forget to comment your overclock settings (gpu_freq).
Links:
RPI4 freezes at boot after update
Overclocking partially broken with DVFS firmware -
@WODAK I did that but had to remove my CPU overclock as well otherwise it still wouldn't boot.
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@quicksilver All related parameters from gpu_freq (core_freq, h264_freq, isp_freq, and v3d_freq) shoudn't be set. Only the arm_freq is working (according to forums....I didn't try it yet).
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@Darksavior said in Raspberry Pi 4 is now OpenGL ES 3.1 conformant.:
. @mitu Maybe the retropie script needs to be updated for it?
What would it need to be updated ?
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Which of the existing cores, if any, will benefit from 3.1? I know Dolphin does but that's not on Retropie.
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@mitu Emulationstation for gles3 to fix the slowdowns?
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@Darksavior said in Raspberry Pi 4 is now OpenGL ES 3.1 conformant.:
@mitu Emulationstation for gles3 to fix the slowdowns?
EmulationStation doesn't use GLES (right now) on the Pi4, only on the PI3 and below. Regardless, if this is a driver regression with the new MESA libraries, shouldn't it be corrected upstream, not in EmulationStation (if any solution could be found there) ?
I haven't had a chance to test the new MESA libraries yet, to see if any regressions have been introduced.
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@mitu I'm asking at the pi forum as well.
One thing I just noticed, if I enter retropie-setup from the ES menu, then exit to the menu, it's ~60fps. Loading a game or a reboot brings ES back to ~30fps. -
Ignoring the possible problem with ES, retroarch and the cores do need to be re-compiled for it. Retroarch's fps counter is broken and notifications are black boxes with mame2015. Mupen64plus-next is fine.
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@Darksavior said in Raspberry Pi 4 is now OpenGL ES 3.1 conformant.:
Ignoring the possible problem with ES, retroarch and the cores do need to be re-compiled for it. Retroarch's fps counter is broken and notifications are black boxes with mame2015. Mupen64plus-next is fine.
there’s no gles 3.1 compiler flags for retroarch so this sounds like another raspbian/mesa issue.
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@dankcushions I tried mame2016 a few minutes ago and it doesn't have the issues 2015 has. Glad to know it's an isolated problem. Seems that it's the emulator with the issue.
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@Darksavior there's OSD Font corruption with lr-atari800 also - unrelated to Mesa. It's a retroarch /core issue.
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I noticed when compiling RetroArch from source, it says OpenGL ES3 is disabled. I fixed this by adding --enable-opengles3 in the RetroArch build script. Maybe this should be added to RetroPie?
Also, lr-mupen64-next seems to be built for GL ES V2 (looking at the build options when building from source). I've added the build option FORCE_GLES3=1 to fix that. Maybe something that should be fixed as well?
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