CI pre-compiled dependencies

Files information

File name	Target OS	Date - commit
swiftshader-ubuntu18.04-20210325.zip	Ubuntu 18.04	2021-03-25 - google/swiftshader@d4550ab
swiftshader-ubuntu20.04-20210728.zip	Ubuntu 20.04	2021-07-28 - google/swiftshader@4466040
swiftshader-ubuntu20.04-20211002.zip	Ubuntu 20.04	2021-10-02 - google/swiftshader@f43b9df

SwiftShader compilation instructions

docker run -it ubuntu:20.04 /bin/bash

apt update
apt install -y git build-essential python3 python wget zlib1g-dev libx11-dev xvfb libxext-dev

wget https://github.com/Kitware/CMake/releases/download/v3.21.3/cmake-3.21.3-linux-x86_64.sh
chmod +x cmake-3.21.3-linux-x86_64.sh
./cmake-3.21.3-linux-x86_64.sh --prefix=/usr/local --exclude-subdir

git clone https://swiftshader.googlesource.com/SwiftShader
cd SwiftShader/build
cmake ..
cmake --build . -j6 # --parallel option takes more than 20GB Ram on my machine