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Juan A. Suarez Romero c84be162a1 Revert "v3d: never replace a mapped bo"
This reverts commit 0b85476d86.

When mapping a BO in v3d, the map keeps forever until freeing the BO. If
later the map is required again, we reuse the map instead of doing the
map from scratch.

This saves calling map/unmap continuously, as well as a mechanism to
keep control of the map usage, like a reference count.

Thus, when reallocating a BO, if it is mapped it just means the map was
used in the past, but not necessarily it is in use right now.

The reverted commit was causing performance regressions in multiple
applications, reducing from 60fps to 5fps.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/11783
Backport-to: 24.2
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31049>
2024-09-12 14:36:56 +00:00
.ci-farms Revert "ci: take igalia farm offline" 2024-08-29 09:13:26 +00:00
.ci-farms-disabled Revert "ci: take igalia farm offline" 2024-08-29 09:13:26 +00:00
.github/workflows add zink to macos ci 2022-11-22 19:04:13 +00:00
.gitlab gitlab: Reference hang debugging documenttion 2024-05-16 09:47:53 +00:00
.gitlab-ci ci: Disable building OMX driver 2024-09-09 18:14:49 +00:00
android android: Extract version from llvm-project instead of hardcoding it 2024-08-17 21:11:08 +00:00
bin meson/megadriver: Add megadriver_libdir argument 2024-09-11 08:07:20 +00:00
build-support meson: move tsan-blacklist.txt to build-support with the other build support files 2024-05-01 07:05:12 +00:00
docs radv: promote VK_NV_compute_shader_derivatives -> VK_KHR_compute_shader_derivatives 2024-09-11 08:37:46 +00:00
include vulkan: Update XML and headers to 1.3.295 2024-09-10 18:22:42 +00:00
src Revert "v3d: never replace a mapped bo" 2024-09-12 14:36:56 +00:00
subprojects subprojects: perfetto uprev to v47.0 2024-08-08 19:29:00 +00:00
.clang-format meson: enable the clang-format target 2023-05-29 11:57:08 +00:00
.clang-format-ignore ci: enforce formatting for RADV & ACO 2023-06-16 19:59:52 +00:00
.clang-format-include teflon: Initial commit 2024-01-24 10:02:10 +00:00
.dir-locals.el dir-locals.el: Adds White Space support 2016-11-14 19:17:49 +02:00
.editorconfig glsl: Fixes ident issue in glsl_parser.yy and update editorconfig for it 2022-12-16 19:02:17 +00:00
.git-blame-ignore-revs freedreno: Add reformatting commits to .git-blame-ignore-revs 2023-09-22 02:07:36 +00:00
.gitattributes gitlab: Highlight .cl as C 2023-11-02 11:37:46 +00:00
.gitignore .gitignore: add .cache folder 2024-05-13 14:32:12 +00:00
.gitlab-ci.yml ci: merge build-x86_64 & build-misc 2024-08-29 14:33:15 +00:00
.graphqlrc.yml ci/bin: Add utility to find jobs dependencies 2022-08-03 23:10:37 +00:00
.mailmap mailmap: update rohan's primary email address 2024-06-19 09:06:15 +00:00
.mr-label-maker.yml mr-label-maker: Add panvk 2024-09-09 15:59:52 +00:00
CODEOWNERS CODEOWNERS: update Imagination maintainers 2024-01-19 10:26:15 +00:00
meson.build Remove OMX 2024-09-09 18:14:49 +00:00
meson_options.txt Remove OMX 2024-09-09 18:14:49 +00:00
README.rst docs: Match README installation guide with meson.rst 2024-07-27 11:53:53 +00:00
VERSION VERSION: bump to 24.3 2024-07-19 16:37:23 +00:00

`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://docs.mesa3d.org/install.html>`_), but the recommended way is to use
Meson (`docs/meson.rst <https://docs.mesa3d.org/meson.html>`_):

.. code-block:: sh

  $ meson setup build
  $ ninja -C build/
  $ sudo ninja -C build/ 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://docs.mesa3d.org/bugs.html>`_).


Contributing
------------

Contributions are welcome, and step-by-step instructions can be found in our
documentation (`docs/submittingpatches.rst
<https://docs.mesa3d.org/submittingpatches.html>`_).

Note that Mesa uses gitlab for patches submission, review and discussions.