(In reply to comment #54) > vincent, it seems you applied the patch to master already. I cannot find any > difference with perl boy demo. Can someone provide me a link to heaven 3.0? > I can only find 4.0 which requires opengl 3.3... http://downloads.guru3d.com/Unigine-Heaven-DX11-Benchmark-3.0-Linux-download-2875.html The patch - doesn't apply maybe it's the wrong one - 0001-R600-Use-a-refined-heuristic-to-choose-when-switchin.patch