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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
c87f7c13fa
From the spec:
"Resources can be bound at some defined (sparse block) granularity."
"The sparse block size in bytes for sparse buffers and
fully-resident images is reported as
VkMemoryRequirements::alignment. alignment represents both the
memory alignment requirement and the binding granularity (in bytes)
for sparse resources."
Not only the upper layer (the Spec) doesn't allow this, the lower
layers (both the vm_bind ioctl and TR-TT) also work on a granularity.
Just check for this case and return an error.
Before this check, what would happen was:
- for the vm_bind backend, the vm_bind ioctl would fail
- for the TR-TT backend, we'd understimate l1_binds_capacity and
fail an assertion, or we'd just silently bind 64kb instead of the
original size
Currently, some Zink tests such as piglit/arb_sparse_buffer-basic can
trigger this behavior, but we're working to fix Zink for this case
(and that commit may be merged before this one).
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26454>
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| VERSION | ||
`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.