NVIDIA purchased AGEIA in order to use physX engine in its CUDA platform , which allow to accelerate physical effects in games using its own video chips. Intel company purchased Havok, and already in the past month all desiring can download developer instruments for noncommercial use.
NVIDIA will open access to physX engines for AMD company . The only condition - AMD products have to work with CUDA platform . Now AMD develop its own platform (accelerated calculations), which use video chip hardware resources .