Review Request 121944: Krita - Fix crash when switching off OpenGL

René J.V. Bertin rjvbertin at gmail.com
Mon Jan 12 12:01:18 GMT 2015


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What are the steps to trigger the crash? I haven't rebuilt Krita from 2.9ß since a bit before the holidays, and switching OpenGL off and back on with an image loaded in the editor works fine for me on OS X 10.9.5 with Intel HD3000 graphics.

- René J.V. Bertin


On Jan. 12, 2015, 11:59 a.m., Stefano Bonicatti wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/121944/
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> 
> (Updated Jan. 12, 2015, 11:59 a.m.)
> 
> 
> Review request for Calligra.
> 
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> Repository: calligra
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> 
> Description
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> The wrong context was active when shaders were deleted.
> This also fix the crash when switching scaling mode or anything that deletes a KisOpenGLCanvas2.
>     
> Changed the KisOpenGL API that deal with contexts a bit, now is possible to choose between switching on the shared context or a widget one.
>     
> To avoid overhead switching on a context that is already current, i've added a check to see if the context we are trying to switch to is already current or not (the check doesn't use any gpu command).
> 
> 
> This should make everything still work on all others cards and drivers, though it is better to be tested, so i put it here.
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> This patch is now present on branch origin/krita-testing-bonicatti.
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> 
> Diffs
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> 
>   krita/plugins/extensions/dockers/lut/ocio_display_filter.cpp 4c3b9c7 
>   krita/ui/canvas/kis_canvas2.cpp 22dd4b3 
>   krita/ui/opengl/kis_opengl.h 7f68f6b 
>   krita/ui/opengl/kis_opengl.cpp 1c49f37 
>   krita/ui/opengl/kis_opengl_canvas2.cpp 154ab4f 
>   krita/ui/opengl/kis_opengl_image_textures.cpp 47eaf55 
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> Diff: https://git.reviewboard.kde.org/r/121944/diff/
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> 
> Testing
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> Tested on Linux on ATI Radeon HD5850 1GB with proprietary drivers (where the issue was present). OpenGL version string: 4.4.12968 Compatibility Profile Context 14.201.1006.1002
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> 
> Thanks,
> 
> Stefano Bonicatti
> 
>

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