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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
a0a88e329d
OpenGL 3.1 is a transitional version in the progression of dropping legacy features. It does not feature a "Compatibility Profile", instead only GL_ARB_compatiblity extension is defined for it. Programs that queries GL_CONTEXT_PROFILE_MASK at runtime and call the compatibility codepath when this query doesn't exist or the query returns GL_CONTEXT_COMPATIBILITY_PROFILE_BIT will work on OpenGL implementation with a version < 3.1 or a version > 3.1, but not on implementations targetting OpenGL 3.1 and lacking GL_ARB_compatiblity. As most programmers now have hardwares and drivers targetting version > 3.1 installed, such error is hard to catch. So try the best to enable GL_ARB_compatiblity on drivers exposing exactly OpenGL 3.1 to satisfy such programs. It's still possible to use MESA_GL_VERSION_OVERRIDE=3.1FC to acquire a context w/o GL_ARB_compatiblity on such drivers. Fixes the overview functionality of kwin_wayland on panfrost with Mali-G57 (which exposes OpenGL 3.1 on current Mesa), although the problematic profile detection code is in Qt instead of KWin. Signed-off-by: Icenowy Zheng <zhengxingda@iscas.ac.cn> Reviewed-by: Marek Olšák <marek.olsak@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41298> |
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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://docs.mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://docs.mesa3d.org/meson.html>`_): .. code-block:: sh $ meson setup build $ ninja -C build/ $ sudo ninja -C build/ 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://docs.mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://docs.mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.