我最近在 Ubuntu 15.04 上下载了 steam 并购买了军团要塞 2 和 Garry's mod。然后出现了错误
Could not find required OpenGL entry point 'glGetError'! Either your video card is unsupported, or your OpenGL drivers need to be updated.
电脑规格：
Memory: 1.9GB
Processor:Intel Pentium Dual CPU E2180 2.00Ghz x 2
Graphics: Intel G33
OS Type: 64 Bit
Disk: 243.8GB