vmsilo fork of mesa 3d
1ee08415cd
To count primitives generated when primitive restart is enabled, we need to dispatch a precomp shader with dimensions that depend on the indirect draw count. For this, we need some kind of precomp dispatch mechanism where the dimensions are determined at execution time. The standard shape for this would be an "indirect precomp" dispatch which reads dimensions from memory, but in this case that would be a little awkward because the draw count is min(*draw_count_buffer, max_draw_count). So to implement that with a typical indirect dispatch mechanism, we would need to read the buffer, compare it with the max draw count, and then write it back to scratch memory, just to read it again. To simplify this, I went for a precomp dispatch mechanism where it just reading the dimensions from the JOB_SIZE registers set by the caller, which can use whatever CS code it wants to calculate them. Signed-off-by: Olivia Lee <olivia.lee@collabora.com> Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38547> |
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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.