On Fri, Apr 11, 2008 at 6:17 AM, Claude Heiland-Allen < [EMAIL PROTECTED]> wrote:
> And in my experience with oldish AGP graphics cards, GPU->CPU image > copying is rather slow. PCIe may be better, I don't know. > PCIe is not really better. With GEM we can't use the asynchronous fast paths since the typical method is to read a fully rendered frame. Someone could look into using FBOs and async read back. > I don't know if there is any way to share GPU memory between independent > processes on the same machine, would be cool. > You could try to grab screen coordinates other than the active window. On OSX 10.5 there is supposedly a flag that makes your context 'read only' which allows other apps to scrape the contents into a texture. cgc
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