Missing function calls?

[José Fonseca]

If you're not using VBOs, note that apitrace treats them specially:

https://github.com/apitrace/apitrace/blob/master/docs/BUGS.markdown#tracing

If that's the case, from what you described, it sounds like apitrace plans
to defer the call, but it never does happen. This could be a bug in the
driver (they sometimes return bogus data on glGet* , causing apitrace to go
astray), or a bug in your on application (like not setting up VBOs
properly).

Jose


On Tue, Sep 8, 2015 at 7:21 PM, Mike Blumenkrantz <
michael.blumenkrantz at gmail.com> wrote:

> Hi,
>
> I'm working on a project using opengl on linux, and I turned to apitrace
> for debugging when I encountered a problem.
>
> According to apitrace, it seems that calls to glTexCoordPointer
> and glVertexPointer are "not happening"; they do not show up in the trace
> dumps anywhere. Using gdb, however, I can verify that both functions are at
> least calling into mesa/libGL as expected, even though apitrace is not
> catching them.
>
> Is it possible for gl calls to occur and not be picked up by apitrace?
> I've tested a similar/reference implementation of what I'm working on and
> both of these calls are displayed normally in the traces, so I'm wondering
> whether this is an issue in my app or apitrace.
>
> Thanks!
>
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>
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