On 10/28/2013 10:50 AM, Ian Romanick wrote: > On 10/26/2013 01:33 PM, Kenneth Graunke wrote: >> This extension is written a bit strangely. Although it introduces the >> concept of multiple transform feedback streams, it doesn't actually >> provide more than a single stream. >> >> The ARB_gpu_shader5 extension is what introduces the ability to write to >> streams other than stream #0 and increases the required number of streams. >> >> Since we don't yet support ARB_gpu_shader5, we can safely enable >> ARB_transform_feedback3 even though we only support a single stream. >> This does provide some useful functionality: applications can now use >> more than one interleaved transform feedback buffer. >> >> I believe this extension can be enabled independently from >> ARB_transform_feedback2, so I've enabled it universally on Gen7+. > > I think that's technically true, but I also think this will make our > implementation unjustly unique. That's sure to uncover app bugs that I > don't think we want to chase. I think I'd feel more comfortable only > enabling 3 when 2 is also enabled.
Agreed. I'll change it to enable all three together or nothing. Thanks, Ian. --Ken _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
