GPU - The GE Some notes about the PSP's GPU: Image formats and tricks The PSP supports a relatively wide range of image formats, and can freely "cast" between them. That means that it can render to a buffer in R5G6B5 format for example, and then texture from it as if it...Read more » The GE (Graphics Engine) At a first glance, the PSP GPU, known as the GE (graphics engine), looks like a conventional small fixed-function GPU not unlike something like the original Geforce 256 (but without multitexturing su...Read more » The GE vertex transform pipeline The GE implements something pretty similar to a standard T&L fixed function pipeline from early PC GPUs, but with some differences and additions.Read more »