Mesa for Linux PPC

xeno74 · Post by **xeno74** » Wed Oct 17, 2018 9:48 am

Hi All,

Mesa 18.2.2 is available.

Installation instructions:

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```
sudo cp -R mesa-18.2.2 /usr/local/
```

sudo mv /usr/lib/powerpc-linux-gnu/dri/r600_dri.so /usr/lib/powerpc-linux-gnu/dri/r600_dri.so.bak

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sudo mv /usr/lib/powerpc-linux-gnu/mesa/libGL.so.1.2.0 /usr/lib/powerpc-linux-gnu/mesa/libGL.so.1.2.0.bak

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sudo cp /usr/local/mesa-18.2.2/lib/dri/r600_dri.so /usr/lib/powerpc-linux-gnu/dri/

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sudo cp /usr/local/mesa-18.2.2/lib/libGL.so.1.2.0 /usr/lib/powerpc-linux-gnu/mesa/

PLEASE test it.

Thanks,
Christian

xeno74 · Post by **xeno74** » Sat Mar 16, 2019 12:25 am

Hi All,

I released the new Mesa 19.0.0 today.

Installation instructions for Ubuntu:

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```
sudo cp -R mesa-19.0.0 /usr/local/
```

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sudo mv /usr/lib/powerpc-linux-gnu/dri/r600_dri.so /usr/lib/powerpc-linux-gnu/dri/r600_dri.so.bak

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sudo mv /usr/lib/powerpc-linux-gnu/mesa/libGL.so.1.2.0 /usr/lib/powerpc-linux-gnu/mesa/libGL.so.1.2.0.bak

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sudo cp /usr/local/mesa-19.0.0/lib/dri/r600_dri.so /usr/lib/powerpc-linux-gnu/dri/

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sudo cp /usr/local/mesa-19.0.0/lib/libGL.so.1.2.0 /usr/lib/powerpc-linux-gnu/mesa/

Installation instructions for Fienix:

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```
su
```
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```
cp -R mesa-19.0.0 /usr/local/
```

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mv /usr/lib/powerpc-linux-gnu/dri/r600_dri.so /usr/lib/powerpc-linux-gnu/dri/r600_dri.so.bak

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mv /usr/lib/powerpc-linux-gnu/libGL.so.1.7.0 /usr/lib/powerpc-linux-gnu/libGL.so.1.7.0.bak

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cp /usr/local/mesa-19.0.0/lib/dri/r600_dri.so /usr/lib/powerpc-linux-gnu/dri/

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cp /usr/local/mesa-19.0.0/lib/libGL.so.1.2.0 /usr/lib/powerpc-linux-gnu/

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rm /usr/lib/powerpc-linux-gnu/libGL.so.1

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```
cd /usr/lib/powerpc-linux-gnu/
```
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```
ln -s libGL.so.1.2.0 libGL.so.1
```

Fienix result:

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lrwxrwxrwx 1 root root      14 Mar 16 00:38 libGL.so.1 -> libGL.so.1.2.0
-rwxr-xr-x 1 root root 2978108 Mar 16 00:33 libGL.so.1.2.0
-rw-r--r-- 1 root root  853552 Aug 10  2018 libGL.so.1.7.0.bak

PLEASE test it.

Thanks,
Christian

xeno74 · Post by **xeno74** » Thu Oct 17, 2019 1:16 am

Glxgears results (vblank_mode=0 glxgears):

AmigaOne X5000/40, 8GB RAM, Radeon HD4870 (AMD RV770), DRM 2.50, 3.0 Mesa 18.2.2, ubuntu MATE 16.04.6 LTS, kernel 5.4-rc3:

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8302 frames in 5.0 seconds = 1660.330 FPS
8272 frames in 5.0 seconds = 1654.378 FPS
8450 frames in 5.0 seconds = 1689.812 FPS
8443 frames in 5.0 seconds = 1688.426 FPS
8446 frames in 5.0 seconds = 1689.003 FPS
8397 frames in 5.0 seconds = 1679.243 FPS
8359 frames in 5.0 seconds = 1671.788 FPS
8169 frames in 5.0 seconds = 1633.711 FPS
8406 frames in 5.0 seconds = 1681.091 FPS
8348 frames in 5.0 seconds = 1669.419 FPS
8458 frames in 5.0 seconds = 1691.421 FPS

AmigaOne X1000, 8GB RAM, Radeon HD6870 (AMD BARTS), DRM 2.50, 3.1 Mesa 18.2.2, ubuntu MATE 16.04.6 LTS, kernel 5.4-rc3:

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7189 frames in 5.0 seconds = 1437.671 FPS
7373 frames in 5.0 seconds = 1474.594 FPS
7323 frames in 5.0 seconds = 1464.541 FPS
7384 frames in 5.0 seconds = 1476.643 FPS
7381 frames in 5.0 seconds = 1476.036 FPS
7390 frames in 5.0 seconds = 1477.814 FPS
7321 frames in 5.0 seconds = 1464.139 FPS
7378 frames in 5.0 seconds = 1475.435 FPS

mechanic · Post by **mechanic** » Sat Oct 26, 2019 9:21 pm

Did the install several times. Checked everything after install.
What am I missing or need to do?

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root@Fienix:/home/fienix# env
SHELL=/bin/bash
SESSION_MANAGER=local/Fienix:@/tmp/.ICE-unix/2941,unix/Fienix:/tmp/.ICE-unix/2941
WINDOWID=44040198
QT_ACCESSIBILITY=1
COLORTERM=truecolor
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
DESKTOP_SESSION=lightdm-xsession
SSH_AGENT_PID=2973
GTK_MODULES=gail:atk-bridge
XDG_SEAT=seat0
MATE_DESKTOP_SESSION_ID=this-is-deprecated
PWD=/home/fienix
XDG_SESSION_DESKTOP=lightdm-xsession
LOGNAME=fienix
XDG_SESSION_TYPE=x11
GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
XAUTHORITY=/home/fienix/.Xauthority
XDG_GREETER_DATA_DIR=/var/lib/lightdm/data/fienix
HOME=/root
LANG=en_US.UTF-8
XDG_CURRENT_DESKTOP=MATE
VTE_VERSION=5800
XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
XDG_SESSION_CLASS=user
TERM=xterm-256color
GTK_OVERLAY_SCROLLING=0
USER=fienix
DISPLAY=:0
SHLVL=2
XDG_VTNR=7
XDG_SESSION_ID=c2
LD_LIBRARY_PATH=/usr/local/mesa-19.0.0/lib/
XDG_RUNTIME_DIR=/run/user/1000
COMPIZ_CONFIG_PROFILE=mate
QT_AUTO_SCREEN_SCALE_FACTOR=0
XDG_DATA_DIRS=/usr/share/mate:/usr/local/share/:/usr/share/
PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
GDMSESSION=lightdm-xsession
INSIDE_CAJA_PYTHON=
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
MAIL=/var/mail/root
QT_SCALE_FACTOR=1
_=/usr/bin/env

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    Section "Monitor"
    Identifier "Monitor0"
    EndSection

    Section "Device"
    Identifier "Device0"
    Driver "radeon"
    BusID "PCI:01:0:0"
    EndSection

    Section "Screen"
    Identifier "Screen0"
    Device "Device0"
    Monitor "Monitor0"
    DefaultDepth 24
    SubSection "Display"
    Depth   24
    Modes "1280x1024_60.00"
    EndSubSection
    EndSection

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root@Fienix:/home/fienix# glxinfo | grep -i opengl
OpenGL vendor string: X.Org
OpenGL renderer string: AMD BARTS (DRM 2.50.0 / 5.4.0-rc2_A-EON_X1000_Nemo)
OpenGL core profile version string: 3.2 (Core Profile) Mesa 19.0.0
OpenGL core profile shading language version string: 1.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.1 Mesa 19.0.0
OpenGL shading language version string: 1.40
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 2.0 Mesa 19.0.0
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 1.0.16
OpenGL ES profile extensions:
root@Fienix:/home/fienix# video_mode=0 glxgears
306 frames in 5.0 seconds = 60.856 FPS
301 frames in 5.0 seconds = 60.020 FPS
301 frames in 5.0 seconds = 60.005 FPS

xeno74 · Post by **xeno74** » Sun Oct 27, 2019 8:41 am

mechanic wrote:Did the install several times. Checked everything after install.
What am I missing or need to do?

You have tested it with video_mode=0 glxgears.

Please try vblank_mode=0 glxgears instead.

mechanic · Post by **mechanic** » Sun Oct 27, 2019 3:16 pm

Yes. Of course it is......geez.

Note to self ** Don't do this stuff when you should be sleeping. **

xeno74 · Post by **xeno74** » Sun Oct 27, 2019 5:44 pm

FYI:

musa · Post by **musa** » Mon Dec 16, 2019 1:57 pm

xeno74 wrote:Hi All,

I released the new Mesa 19.0.0 today.

PLEASE test it.

Thanks,
Christian

Hi Christian
Will this also work on a debian bullseye / sid 64 system?
Peter

xeno74 · Post by **xeno74** » Tue Dec 17, 2019 12:17 am

musa wrote: Hi Christian
Will this also work on a debian bullseye / sid 64 system?
Peter

Hi Peter,

No, it only works on 32-bit PowerPC Linux distributions but there is a newer and better version available via the package system of your Debian Bullseye / Sid PPC64.

Cheers,
Christian

xeno74 · Post by **xeno74** » Wed Mar 03, 2021 5:05 pm

FYI:

Michael Larabel phoronix.com wrote: Radeon R600 Gallium3D Flips On OpenGL 4.5 For NIR Backend
Written by Michael Larabel in Radeon on 3 March 2021 at 06:00 AM EST. Add A Comment
RADEON --
The experimental NIR back-end for the R600 Gallium3D driver as an alternative to the default TGSI code-path has now enabled OpenGL 4.5 support for capable GPUs.

With a number of OpenGL 4.5 conformance test suite fixes that were merged on Tuesday, OpenGL 4.5 is now ultimately enabled for the NIR code path.

This OpenGL 4.5 support is enabled for all Radeon HD 5000 "Cedar" GPUs through the Radeon HD 6000 series where the R600g driver support ends. Previously and for the non-NIR code-path this is at OpenGL 4.3 support.

The enabling for OpenGL 4.5 with NIR is exciting but keep in mind the Radeon HD 5000 series is already a decade old and the usefulness will be limited in many cases. If you are engaging in any serious workloads, chances are you would be much better off upgrading to anything newer in the AMD GCN family for better performance, Vulkan support, and being on an actively maintained driver stack.

In any case it's been great seeing what Gert Wollny has been able to accomplish with NIR for R600g. It was just a few months ago that Gert was able to get compute shaders working for R600g NIR. It was just last year as well that the initial R600g NIR back-end was merged with a focus on the Radeon HD 5000/6000 series.

Trying out R600g NIR is possible with the R600_DEBUG=nir environment variable on the latest versions of Mesa - but ideally Mesa 21.1-devel for the best experience.

Link: Radeon R600 Gallium3D Flips On OpenGL 4.5 For NIR Backend

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