Am 17.05.2016 um 20:21 schrieb Roman Lebedev:
On Tue, May 17, 2016 at 9:13 PM, Ulrich Pegelow
<ulrich.pege...@tongareva.de> wrote:
Hi,
I can confirm your issue. You are running with OpenCL enabled? It looks like
I have introduced an issue when porting xtrans demosaicing to OpenCL.
Are you really sure?
No, not sure. You are probably right, the issue has been introduced
lately. If I go back in time a few days (commit
1b955380447ac717674ce05f3e9c6e6f0a3b8cc6) all seems good.
Unfortunately I cannot bisect as my gcc 4.8.3 has issues compiling
in-between commits.
Maybe you can try to do that. At least here the problem can be quickly
reproduced when quickly wheel-scrolling a few times over the exposure
slider in the exposure module.
Best wishes
Ulrich
I'm somewhat expecting this to be due to
https://github.com/darktable-org/darktable/commit/a083e4c0f9ffc0423613f3a75e5e3457aa11430c
and
https://github.com/darktable-org/darktable/commit/5590478c7bede4061ab06b013d8d227135d08005
but i do not understand what is missing...
FWIW i was able to reproduce the issue without opencl, and only rarely,
when loading image in darkroom and just only changing colorzones once.
What I
see are spurious color distortions (typically towards magenta) when quickly
changing some slider value like the exposure compensation. At the moment I
cannot really say why we have these intermittent errors. This needs some in
depth investigations.
Ulrich
Roman.
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