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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
e488773b29
Instead of doing a slow depth clear, we can do depth fast clear in vkClearAttachments. Sascha Willems occlusionquery demo shows more than 2% perf boost with this series. On Felix's Tigerlake with the GPU at fixed frequency, this patch improves performance of RoTR by +0.5%. v2: (Nanley Chery) - Clear stencil surface along with depth. - Check for multilayer resources. - Lookout for state.attachments. - Fallback on slow clear for BDW and CHV if conditional rendering enabled. - Keep flush in same function. v3: (Nanley Chery) - Return immediately after fast clearing. - Remove unnecessary comment. v4: (Nanley Chery) - Add assertion for BLORP_BATCH_NO_EMIT_DEPTH_STENCIL. - Remove unnecessary local variable. - Add 3DSTATE_WM_HZ_OP comment. v5: (Nanley Chery) - Fix comments. - Don't take fast depth clear path if BLORP_BATCH_PREDICATE_ENABLE set. - Refactor code in can_hiz_clear_att. Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com> Reviewed-by: Nanley Chery <nanley.g.chery@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20175> |
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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://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.