#### 再次重申！我们是团队，企业级团队出品的系统，不要拿个人作品来和我们比较。

![openfans](../images/openfans.png)    ![amatfan.png](../images/amatfan.png)

        [OPENFANS开源社区](http://www.openfans.org)        [树莓派爱好者基地](http://rpifans.cn/)            **荣誉出品 ！！**

----

#### GLES2

```shell
apt install libgles2-mesa-dev
apt install libgles2-mesa
```

#### /etc/modules-load.d/modules.conf

```shell
fbtft
````

#### Disable cgroup

In cmdline.txt remove defined cgoup args and add:

```shell
cgroup_disable=cpuset,cpuacct,blkio,memory,devices,freezer,net_cls,perf_event,net_prio,pids
```

#### ssh glxinfo

```shell
export DISPLAY=:0
export XAUTHORITY=/var/lib/lightdm/.Xauthority
glxinfo -B
env vblank_mode=0 __GL_SYNC_TO_VBLANK=0 glxgears
```

#### initrd

```shell
apt update ; apt install initramfs-tools -y
mkinitramfs -o /boot/initrd.img-$(uname -r)
      
#### /var/log/Xorg.0.log

```shell
(WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
sudo apt install xfonts-cyrillic
```

#### chromium

```shell
rm -rf /usr/sbin/chromium_mod-xface.sh 2>/dev/null;\
cat <<EOF >/usr/sbin/chromium_mod-xface.sh
#!/bin/bash
export PICHROMIUMMODS='/etc/chromium.d/pi-mods'
touch \$PICHROMIUMMODS 2>/dev/null
echo 'CHROMIUM_FLAGS=' > \$PICHROMIUMMODS
sed -i 's/CHROMIUM_FLAGS=/CHROMIUM_FLAGS="\$CHROMIUM_FLAGS --enable-gpu-rasterization --enable-native-gpu-memory-buffers --disable-quic --enable-checker-imaging --enable-tcp-fast-open --enable-fast-unload --enable-experimental-canvas-features --enable-scroll-prediction --enable-simple-cache-backend --answers-in-suggest --max-tiles-for-interest-area=512 --num-raster-threads=4 --default-tile-height=512 --disk-cache-size=0 --use-gl=egl --gles --enable-zero-copy"/g' \$PICHROMIUMMODS
EOF
sudo chmod +x /usr/sbin/chromium_mod-xface.sh

## --disable-gpu-compositing to use vc4 ??
## --disable-gpu-compositing 
```

#### libGL.so armhf

```shell
apt install libgl1-mesa-dri:armhf libgl1-mesa-glx:armhf glx-alternative-mesa:armhf
```

### glmark2 build

```shell
apt-get install libgegl-0.2-0 libgfortran3 libgimp2.0 libgl1-mesa-dev \
libgles2-mesa-dev libglew-dev libglew1.10 libglib2.0-bin libglib2.0-data \
libglib2.0-dev libglu1-mesa-dev 
apt install libpng-dev libx11-dev pkg-config libjpeg-dev libudev-dev libpng++-dev
sudo git clone https://github.com/LeMaker/glmark2.git
cd glmark2
sudo ./waf configure --with-flavors=x11-gl,x11-glesv2
sudo ./waf
sudo ./waf install
```