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.Mohammad told us, but added thatMohammad also pointed out that although Nvidia currently uses CUDA to accelerate PhysX on GPUs, the company’ssaid Mohammad, explaining thatWhat’s more, later on, Mohammad also described Nvidia’s future plans for PhysX by sayingwhich implies little doubt that Nvidia is seriously considering this as an option.So would this mean that owners of ATI cards could also take advantage of PhysX? Theoretically, yes. Of course, Nvidia has publicly said that it will work with ATI on CUDA-accelerated PhysX for over a year, but it’s an offer that ATI has yet to accept. However, by using an open-standard API such as OpenCL, it’s possible that ATI cards could support PhysX and miss out CUDA altogether.Commenting on this possibility, Mohammad said that “He also added that one good aspect of Nvidia using CUDA is that the company only needs toHe also then emphasised thatNvidia is clearly still committed to accelerating PhysX on GPUs via CUDA in the near future, but it looks as though a port to OpenCL is a very real possibility. Should Nvidia port PhysX over to OpenCL, or would that result in unfair quality-control complications? Let us know your thoughts in the forums