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884cf1d39e
`_mesa_delete_program` and `_mesa_reference_program_` both use fields in `sh` without determining whether `sh` or `arb` is valid. Herein lies the problem. I cannot see any reliable way to determine which is valid without knowing what call path you are in. There are two possible methods, but neither seems particularly reliable. We could check whether `shader_program` is `NULL`, or we could check whether `Parameters` (only used for ARB assembly shaders) is `NULL`. Instead of doing that, I chose to add a new field that captures the `is_arb_asm` parameter already passed to `_mesa_init_gl_program`. This seemed the most reliable. It is possible that more `assert(!prog->is_arb_asm)` and `assert(prog->is_arb_asm)` should be sprinkled throughout the code base. I don't know how this has not already been a problem. Starting with |
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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.