HITMAN has seen performance improvements too but Mesa 13+ is needed for proper rendering.
The Metro Last Light Redux gains are another impressive Linux gaming result.
The open-source Tesseract and Xonotic games have also seen impressive performance gains since Mesa 11.1 released at the end of 2015.
Coming up in a later article will be a larger historical look at Mesa's performance using an older Radeon card for greater compatibility. If you enjoy all the Linux hardware benchmarks at Phoronix, consider showing your support by joining Phoronix Premium.