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fe0ec41c4d
Put the uncached GTT type at a higher index than the visible VRAM type, rather than having GTT first. When we don't have dedicated VRAM, we don't have a non-visible VRAM type, and the property flags for GTT and visible VRAM are identical. According to the spec, for types with identical flags, we should give the one with better performance a lower index. Previously, apps which follow the spec guidance for choosing a memory type would have picked the GTT type in preference to visible VRAM (all Feral games will do this), and end up with lower performance. On a Ryzen 5 2500U laptop (Raven Ridge), this improves average FPS in the Rise of the Tomb Raider benchmark by up to ~30%. Tested a couple of other (Feral) games and saw similar improvement on those as well. Signed-off-by: Alex Smith <asmith@feralinteractive.com> Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com> Cc: 19.2 <mesa-stable@lists.freedesktop.org> (Bas: CCing this to 19.2-rc due to high impact and limited complexity) |
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| README.rst | ||
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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 email mailing-lists for patches submission, review and discussions.