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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
768238fdc0
driFetchDrawable is only ever called from the MakeCurrent path, which means it has to handle the case of pre-GLX-1.3 Windows being named as the drawable. When it finds the drawable in the hash, it increments its refcount before returning it, so for a GLXWindow it would be 2 on first return, one from glXCreateWindow and one from glXMakeCurrent. But when it does not find the drawable and creates one for the naked Window, the reference count on first return would only be 1. As a result, if this context was then ever bound to a different drawable, the old Window's DRI drawable state (like the back buffer) would be destroyed. Fixes piglit's glx-multi-window-single-context and glx-make-current for a variety of drivers. Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/6713 Reviewed-by: Emma Anholt <emma@anholt.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17479> |
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`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library ====================================================== Source ------ This repository lives at https://gitlab.freedesktop.org/mesa/mesa. Other repositories are likely forks, and code found there is not supported. Build & install --------------- You can find more information in our documentation (`docs/install.rst <https://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://mesa3d.org/meson.html>`_): .. code-block:: sh $ mkdir build $ cd build $ meson .. $ sudo ninja install Support ------- Many Mesa devs hang on IRC; if you're not sure which channel is appropriate, you should ask your question on `OFTC's #dri-devel <irc://irc.oftc.net/dri-devel>`_, someone will redirect you if necessary. Remember that not everyone is in the same timezone as you, so it might take a while before someone qualified sees your question. To figure out who you're talking to, or which nick to ping for your question, check out `Who's Who on IRC <https://dri.freedesktop.org/wiki/WhosWho/>`_. The next best option is to ask your question in an email to the mailing lists: `mesa-dev\@lists.freedesktop.org <https://lists.freedesktop.org/mailman/listinfo/mesa-dev>`_ Bug reports ----------- If you think something isn't working properly, please file a bug report (`docs/bugs.rst <https://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.