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The following new fields are added to tess shader info: * `tcs_cross_invocation_inputs_read` * `tcs_cross_invocation_outputs_read` These are I/O masks that are a subset of inputs_read and outputs_read and they contain which per-vertex inputs and outputs are read cross-invocation. Additionall, the following new fields are added to shader_info: * `inputs_read_indirectly` * `outputs_accessed_indirectly` * `patch_inputs_read_indirectly` * `patch_outputs_accessed_indirectly` These new fields can be used for optimizing TCS in a back-end compiler. If you can be sure that the TCS doesn't use cross-invocation inputs or outputs, you can choose a different strategy for storing VS and TCS outputs. However, such optimizations might need to be disabled when the inputs/outputs are accessed indirectly due to backend limitations, so this information is also collected. Example: RADV currently has to store all VS and TCS outputs in LDS, but for shaders when only inputs and/or outputs belonging to the current invocation ID are used, it could skip storing these in LDS entirely. Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Rhys Perry <pendingchaos02@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4165> |
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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.html <https://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.html <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 `Freenode's #dri-devel <irc://chat.freenode.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.html <https://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.html <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.