Similar to allowing a buffer to be simultaneously read by the GPU and
through the GTT, we wish to allow readback of the pages through the CPU
domain whilst they are also being read by the GPU. Domain coherency
is managed by allowing multiple readers, but only a single writer.
This is used by mesa
On Tue, 10 Apr 2012 11:52:50 +0100, Chris Wilson
wrote:
> Similar to allowing a buffer to be simultaneously read by the GPU and
> through the GTT, we wish to allow readback of the pages through the CPU
> domain whilst they are also being read by the GPU. Domain coherency
> is managed by allowing
On Tue, Apr 10, 2012 at 10:35:19PM +0100, Chris Wilson wrote:
> On Tue, 10 Apr 2012 11:52:50 +0100, Chris Wilson
> wrote:
> > Similar to allowing a buffer to be simultaneously read by the GPU and
> > through the GTT, we wish to allow readback of the pages through the CPU
> > domain whilst they ar
