On 2002.02.10 09:31 Gareth Hughes wrote: > ... > > These chips can read > and write arbitrary locations in system memory. For all chips that > have this feature, the only safe way to program them is from within
Which of the chips currently supported by DRI is more similar in this [DMA programming] sense to mach64 and could be looked as a reference implementation? > a DRM kernel module. Only clients that have been authenticated via > the usual (X auth) means are able to talk to such modules. There is > simply no other way to do it. You can trust the X server and the > kernel module. You CANNOT trust anything else -- a client-side 3D > driver, something masquerading as one, whatever... > > There is a reason why all the DRI drivers for commodity cards are > designed like this. It's a pain, but that's the price you pay for > a secure system. > > -- Gareth > Regards, Jose Fonseca _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
