[Mesa-dev] dri3 flipping to fake front?

[Michel Dänzer]

On 20/06/17 10:31 PM, Thomas Hellstrom wrote:
> Michel, Eric, others
> 
> Do you know what's stopping dri3 from flipping to the fake front instead
> of copying? Like below?
> 
> The fake front will of course be "busy" until the server completes the
> present, but that doesn't really stop us from front rendering to it or
> reading from it if so desired?

You mean turn the back buffer being swapped into the new fake front
buffer, right?

I guess that could work, but I'm not sure it's quite as simple as your
patch, e.g. related to buffer age or draw->is_different_gpu.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer