[Mesa-dev] [PATCH 3/4] gallium: add GREMEDY_string_marker

[Rob Clark]

On Mon, Dec 7, 2015 at 1:42 PM, Emil Velikov <emil.l.velikov at gmail.com> wrote:
> On 7 December 2015 at 16:45, Rob Clark <robdclark at gmail.com> wrote:
>> From: Rob Clark <robclark at freedesktop.org>
>>
>> Only exposed w/ ST_DEBUG=gremedy.
>>
> Perhaps a bit of a silly question - why expose the extension only for
> debug mesa builds ? Afaict there isn't any noticeable performance
> implication (from infrastructural POV) is there ?
>
> If driver X performance goes down the drain, just have them
> conditionally return 0/1 for PIPE_CAP_STRING_MARKER ?

It was suggested, iirc by Ian, on the basis that apps might do
something non-performant if they see the extension (since the original
use-case was that the extension is injected by the gremedy debugger).

BR,
-R

> -Emil