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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
bc202553e9
this works by tracking 1024-member arrays of images and textures using idalloc for indexing. each idalloc id is an index into the array that is returned as a handle, and this handle is used to index into the array in shaders. in the driver, VK_EXT_descriptor_indexing features are used to enable updates on the live bindless descriptor set and leave unused members of the arrays unbound, which works as long as no member is updated while it is in use. to avoid this, idalloc ids must cycle through a batch once the image/texture handle is destroyed before being returned to the available pool in shaders, bindless ops come in one of two types: - i/o variables - bindless instructions for i/o, the image/texture variables have to be rewritten back to the integer handles which represent them so that the successive shader stage utilizing them can perform the indexing for instructions, the src representing the image/texture has to be rewritten as a deref into the bindless image/texture array Reviewed-by: Dave Airlie <airlied@redhat.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12855> |
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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.