[EMAIL PROTECTED] wrote: > After reading documentation (and confirming that I already know all the > acronyms) and sifting thru driver code I decided to ask on the list, while > the people who wrote this stuff can still answer ;) > > Basically I want to DMA a chunk of video ram into plain RAM. This is > useful for: video capture, VBI/closed captioning, taking screen snapshots. > > I got drm handle, size of the buffer, AGP offset and pointer to the buffer > in XFree86. What can I do with this ? At the moment I am mostly concerned > with Radeon AIW AGP, but this will spread to other (non AGP) cards. > > The docs seem to indicate that both XFree and client can use this - it > would be really fabulous if clients could just mmap the buffer.
I think it'll be hard to set up and initiate DMA transfers without proper hardware documentation. Do you have Radeon specs? -- Gareth _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
