Karl Rasche wrote: > I'm interested in getting the DrawPixels path in mgapixel.c up and going > again (but i'll make the disclaimer that I'm fairly dri naive..) > > In one case, the draw happens directly from a buffer in agp land. > Presumable this happens after various ioctls to export a buffer to the > drawer. > > What is the proper sequence to return an approprate buffer to the user? > With DRM_IOCTL_AGP_*? Or am I way off base...
You have access to some agp memory: the dma buffers. The most appropriate way to do this is with a single copy from the user's data to a dma buffer and then fire off the blit from agp->screen. When that's working, you can consider fancy stuff to get agp memory to the user. Keith _______________________________________________________________ Don't miss the 2002 Sprint PCS Application Developer's Conference August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
