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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
0ca0d2d450
llvmpipe doesn't define atomics, and therefore, gallium uses half of the available SSBOs as atomic buffers. When virgl runs with llvmpipe as GLES host we also report no atomic buffers to the guest so as to lower atomics to SSBOs to work around ARB_shader_counter_ops not being available on GLES. With the current value of 16 SSBOs in llvmpipe, only eight SSBOs and eight atomic shader buffers are reported and with virglrenderer not reporting atomics these numbers will be reduced to four, being below the required minimum for ARB_compute_shaders. By doubling the number of available SSBOs in llvmpipe, this limitation is worked around and using llvmpipe as GLES host for virgl in the CI allows testing ARB_compute_shaders and ARB_shader_counter_ops properly. Signed-off-by: Gert Wollny <gert.wollny@collabora.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17979> |
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| README.rst | ||
| VERSION | ||
`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.