Imagination Technologies, makers of the PowerVR series of graphics cores found in the iPhone and iPod touch, has introduced the PowerVR SGX545, a new embedded graphics IP core that could possibly make its way into future iPhone and iPod touch models. The new core offers the ability to drive HD screens at high frame rates, and supports a wide range of graphics programming APIs, including OpenGL ES 2.x, OpenGL 3.x, and OpenCL 1.x—a standard that…