[Mesa-dev] [PATCH] texobj: add verbose api trace messages to several routines

[Jordan Justen]

On Wed, Feb 27, 2013 at 1:21 AM, Jose Fonseca <jfonseca at vmware.com> wrote:
> ----- Original Message -----
>> Jordan Justen <jordan.l.justen at intel.com> writes:
>>
>> > Motivated by wanting to see if GenTextures was called by an
>> > application while debugging another Steam overlay issue.
>>
>> Making a systematic MESA_DEBUG=api using dispatch tables and code
>> generation seems like it would be nice instead of adding it ad-hoc.  Not
>> something against this patch, just maybe a project for a janitor list if
>> we have one.
>>
>> apitrace seems like it would be to replace it, but I've seen enough apps
>> where it doesn't work (and in this case with the steam overlay it
>> definitely doesn't) that we can't just rely on that.
>
> Could you elaborate on that? I'd like to understand how apitrace would miss intercepting calls.

The Steam overlay uses LD_PRELOAD and there doesn't seem to be a way
to both use the overlay and capture a trace.

-Jordan