Nvidia has so far guarded its GPU PhysX technology behind a large CUDA-shaped wall, meaning that anyone who wants to use it has to use CUDA too. However, the company has revealed that this may not be the case in the future, as Nvidia is considering porting PhysX over to OpenCL; the API that’s also being used by AMD to accelerate Havok physics.
In a recent Q&A session to coincide with the launch of Nvidia’s APEX tools for games developers using PhysX, we took the opportunity to ask Nvidia’s director of product management for PhysX, Nadeem Mohammad, about whether there were any plans to port PhysX over to OpenCL.
Mohammad revealed that he wasn’t against the idea at all. “In the future it’s a possibility that we could use OpenCL,” Mohammad told us, but added that “at the moment CUDA works great.” Mohammad also pointed out that although Nvidia currently uses CUDA to accelerate PhysX on GPUs, the company’s “architecture allows for acceleration by other things like OpenCL.”
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