[Mesa-dev] [PATCH] i965/aub: Dump a final bitmap from DestroyContext.

[Ian Romanick]

On 03/30/2012 03:12 AM, Jose Fonseca wrote:
>
> ----- Original Message -----
>> Certain applications don't call SwapBuffers before exiting.  Yet,
>> we'd
>> really like to see a bitmap containing the final rendered image even
>> if
>> they choose never to present it.
>>
>> In particular, Piglit tests (at least with -auto -fbo) fall into this
>> category.  Many of them failed to dump any images at all.
>>
>> Dumping one final image at context destruction time seems to solve
>> the
>> issue.
>
> Another alternative would be for piglit and mesa should use/implement http://www.opengl.org/registry/specs/GREMEDY/frame_terminator.txt , so that the whole stack has a precise knowledge of where frames are.

Would having the piglit framework call glFrameTerminatorGREMEDY after 
calling piglit_display be sufficient?  That ought to be easy enough.

One the Mesa side, I think most apps only use glFrameTerminatorGREMEDY 
in debug builds, so it might not be that helpful here.

*shrug*