> Or a wrapper trapping SVGAlib calls to SDL/SDL2. That works for programs limiting their operations to SVGAlib calls. As I mentioned, but you omitted in the

> Or a wrapper trapping SVGAlib calls to SDL/SDL2. That works for programs limiting their operations to SVGAlib calls. As I mentioned, but you omitted in the citation: > SVGAlib apps frequently performed direct hardware access requiring root ... How do you trap those directly accessing VGA IO ports via inb/outb instructions? I clearly recall writing modex routines in assembly for SVGAlib demos, and I'm pretty sure I wasn't the only ex-DOS graphics coder doing that to make things happen on Linux in the 90s.