[Interest] How to know bindTexture failure

Samuel Rødal samuel.rodal at digia.com
Mon Oct 8 12:34:23 CEST 2012

On 10/05/2012 05:21 PM, Calogero Mauceri wrote:
> Il 05/10/2012 17.04, Samuel Rødal ha scritto:
>> On 10/05/2012 04:46 PM, Calogero Mauceri wrote:
>>> Hi,
>>> is there a way to know programmatically whether the
>>> QGLWidget::bindTexture function fails?
>>> Sometime my bindTexture fails, I can see in the log file there is a line
>>> reporting the binding failure:
>>> texture upload failed, error code 0x500, enum: 3553 (de1)
>> Hmm, looks like the error reporting is a bit lacking. If you have your
>> own build of Qt you can uncomment the line that says #define
>> QGL_BIND_TEXTURE_DEBUG in qgl.cpp to get more detailed debug output from
>> the bind function.
> Thanks Samuel for your reply.
> We do have our own build of Qt, but I really would avoid to change them,
> it would be very difficult for us to keep our changes in sync with the
> new Qt distributions.

I didn't mean a permanent change, just a temporary one to help figure 
out what step in the texture upload that goes wrong.

If it only fails in certain circumstances, maybe you could file a bug 
about that.


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