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我把QT程序移植到了kunlun linux(一个比较小的linux发行版)上,移植是成功了,但是一运行QT程序,Xorg的CPU占用率就到百分之百。看了一下系统的Xorg.0.log日志,DRI禁止了。原因是/dev/dri/card0文件不存在。 我的问题是,QT程序需要得到DRI支持吗
感觉是驱动的问题吧?
建议检查一下configure的参数
DRI 肯定是能大大提高渲染性能的。