![]() That’s why we can run GiMark ( OpenGL 3.3 test) and now TessMark ( OpenGL 4.0) under OS X. But Apple has added some features of OpenGL 3.3 and OpenGL 4.0 in OS X. OS X 10.7 and 10.8 officially support OpenGL 3.2 only (more details HERE). The current state of OpenGL 4 tessellation on Mac OS X 10.8 can be found here: I didn’t test TessMark with a Radeon card and then, if you have such a card (HD 5000/6000/7000), let me know how it works (by posting in the comments section of this article or in GpuTest forum). ![]() TessMark: OpenGL 4 tessellation under Mac OSX with the Intel HD Graphics 4000: incorrect rendering TessMark: OpenGL 4 tessellation under Mac OSX with the NVIDIA GeForce GT 650M: correct rendering TessMark works fine with the GeForce GT 650M while the rendering is a bit perturbed with the HD Graphics 4000 as you can see on the following pictures: Apple has added in OS X more OpenGL 4 support than I thought, which is pretty cool. I must say that I was rather suprised when I saw TessMark running smoothly on my Macbook Pro Retina (Intel HD Graphics 4000 and NVIDIA GeForce GT 650M) with OSX 10.8.3, after having removed all checks I usually do in the initialization of an OpenGL demo. The version 0.4.0 of GpuTest is available and this time, OS X users can taste OpenGL 4 tessellation on their Mac systems. GpuTest comes with several OpenGL tests including FurMark (OpenGL 3.2), TessMark (OpenGL 4.0) as well as new ones like GiMark (geometry instancing) or PixMark (heavy pixel shaders). GpuTest is a 64-bit cross-platform OpenGL benchmarking utility for Windows, Mac OS X and Linux. TessMark: OpenGL 4 tessellation under Mac OSX
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