Activity for Patrick Chevalley
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Patrick Chevalley posted a comment on discussion Lazarus
Hi Pavel, Thank you to apply the change! I use GLScene only for the Virtual Moon Atlas software and I am very happy I can continue to provide both Windows and Linux packages. My other software like Skychart or CCDciel use only basic bitmap display to make them more easy to run on screenless computer attached at the telescope.
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Hmm, I use GLscene successfully with Lazarus on Linux for 15 years now. This problem affect every texture, not only BitmapFont, it appear progressively this last years, affecting some driver but working with other. It not work at all since Mesa 20.0. Recently I find the culprit: the progressive implementation of the extension GL_EXT_direct_state_access in the Linux OpenGL drivers. To bypass the problem and make the GLScene texture to work normally it is sufficient to disable the detection of this...
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Thank you!
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Thank you for this patch Michael! I was testing my application with Lazarus 2.2.0 RC2 and experienced the Lazarus crash after installing the GLScene package. With your patch everything work fine. Any chance someone can commit that to the GLScene Lazarus branch? BTW I also found that with this version of Lazarus I have to change the application main form DoubleBuffered property to False, otherwise the OpenGL content is overridden by the form color. This need to be applied to the example and demo.
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