On Wed, Jun 25, 2014 at 02:26:52PM +0100, Tvrtko Ursulin wrote: > >That's a good question to ask a GL team. In the light of sparse > >textures I think the region idea would be better. > > > >We would need to define what the coordinates mean, for instance: > > - 2D view of the buffer, and the kernel takes care of translating what > > it means for the underlying pages? > > - See the buffer object as an array of pages, and those numbers define > > a region of pages. > > This would mean kernel has to know about all possible tiling > formats? Would that be asking a bit too much (of the kernel)? Not if we see the buffer as an (2D) array of pages. > How (im)possible would it be to allocate backing store on demand, on > page by page basis, on write rather than on binding into address > space? I think Chris would be very upset to lose the performance benefit of pre-faulting the correct pages? -- Damien _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
