I've seen a similar page elsewhere on the web in the past, but a recent Apple developer mail including a link to their Technical Q&A QA1536 - Requirements for Quartz GL which also links to a page listing OpenGL capabilities of graphics cards/GPUs used in Macs. (GL feature support listing by graphics card model and OS X version - including cards going as far back as the Radeon 7000 and GeForce 2MX as well as the "software renderer".) It's updated to include OS X Leopard and GPUs like the GeForce 8600 (used in SR MacBook Pros) and ATI 2400/2600 (used in AL iMacs) but does not include the latest onboard Intel graphics used in the newer MacBooks. (The Intel GMA 950 used in earlier MacBooks and current Mini is listed.)

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