Linux XRender配置步骤如下:
libxrender相关包,如Ubuntu/Debian用sudo apt-get install libxrender-dev x11proto-render-dev,RHEL/CentOS用sudo yum install libXrender-devel,Arch Linux用sudo pacman -S libxrender。xdpyinfo | grep XRender,若输出含“XRender”字样,则支持。/etc/X11/xorg.conf或/etc/X11/xorg.conf.d/20-xrender.conf,在Section "Extensions"中添加Option "Composite" "Enable"和Option "RENDER" "Enable"。backend = xrender。~/.bashrc等文件中添加export GDK_USE_XFT=1、export GDK_RENDERING=subpixel等,优化渲染。gcc xrender_test.c -o xrender_test -lXrender -lX11,运行./xrender_test,查看输出确认功能。