Trying Various OpenGL 4.x Games On Linux With An Intel Skylake Core i5

With the imminent Mesa 12.0 release there is now OpenGL 4.3 compliance for Intel Broadwell graphics hardware and newer, rather than OpenGL 3.3 as was the upper limit in the Intel Mesa driver to this point. Now having OpenGL 4.x support with this open-source Intel driver, I decided to see how various OpenGL 4.x games are running with the Intel driver when using a Skylake CPU sporting HD Graphics 530...