OpenGL – Cheetah Speeds Under Leopard?
1:20 PM | Erik Day | 17 comments
According to the Apple Developer Connection website, Apple's Leopard page previews some good news for mac gamers:
OpenGL ImprovementsWhile our own Tuncer Deniz had some inside line on this, it seems that Apple is now confident enough to put the results in writing. Admittedly, there's usually a gap between lab tests and real-world performance, but when Apple unleashes Leopard next spring, fans of obscure OpenGL-using titles (like "World of Warcraft" and "Doom 3") can expect to see some major performance gains.
Apple Developer Connection – Leopard Technologies
OpenGL is the industry-standard API for developing portable, interactive 2D and 3D applications. Mac OS X has supported OpenGL from the outset and in Leopard it supports the latest OpenGL 2.1 specification which adds pixel buffer objects, color managed texture images in the sRGB color space, and improvements in the shader programming API.
Leopard also provides a dramatic increase in OpenGL performance by offloading CPU-based processing onto another thread which can then run on a separate CPU core feeding the GPU. This can increase, or in some cases, even double the performance of OpenGL-based applications.
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