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Italo Nicola d7b9da2673 mesa/main: allow readpix/teximage to read from implicitly multisampled fbos
The GL_EXT_multisampled_render_to_texture spec explicitly allow reading
from these FBOs.

"Similarly, for ReadPixels:
 'An INVALID_OPERATION error is generated if the value of READ_-
FRAMEBUFFER_BINDING (see section 9) is non-zero, the read framebuffer is
framebuffer complete, and the value of SAMPLE_BUFFERS for the read
framebuffer is one.'

 These errors do not apply to textures and renderbuffers that have
associated multisample data specified by the mechanisms described in
this extension, i.e., the above operations are allowed even when
SAMPLE_BUFFERS is non-zero for renderbuffers created via Renderbuffer-
StorageMultisampleEXT or textures attached via FramebufferTexture2D-
MultisampleEXT."

Signed-off-by: Italo Nicola <italonicola@collabora.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10747>
2023-08-01 21:22:28 +00:00
.ci-farms Revert "ci: Disable nouveau CI" 2023-08-01 18:19:40 +00:00
.ci-farms-disabled Revert "ci: Disable nouveau CI" 2023-08-01 18:19:40 +00:00
.github/workflows
.gitlab gitlab: prefill MR template with first multiline commit message 2023-06-01 01:16:38 +00:00
.gitlab-ci meson,ci: bump meson req for rusticl to 1.2 2023-08-01 13:16:55 +00:00
android
bin bin/ci_run_n_monitor: get git sha from pipeline if specified, instead of requiring --rev to match 2023-07-28 13:10:41 +00:00
build-support
docs mesa: Implement and advertise GL_MESA_sampler_objects 2023-08-01 14:52:10 +00:00
include dri: Support 1555/4444 formats 2023-07-28 12:44:01 +01:00
src mesa/main: allow readpix/teximage to read from implicitly multisampled fbos 2023-08-01 21:22:28 +00:00
subprojects
.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 clang-format: enforce formatting of egl 2023-07-07 23:00:06 +00:00
.dir-locals.el
.editorconfig
.git-blame-ignore-revs clang-format: Ignore original panfrost commit 2023-07-31 18:56:34 +00:00
.gitattributes
.gitignore
.gitlab-ci.yml ci: build kernel in gfx-ci/linux and just use binaries in Mesa3D CI 2023-07-16 02:11:23 +02:00
.graphqlrc.yml
.mailmap .mailmap: add an alias for Christian Gmeiner 2023-06-08 09:16:25 +00:00
CODEOWNERS CODEOWNERS: add r300 driver 2023-06-09 19:31:20 +00:00
meson.build meson,ci: bump meson req for rusticl to 1.2 2023-08-01 13:16:55 +00:00
meson_options.txt meson: clarify description of opengl option 2023-07-12 12:24:43 +00:00
README.rst
VERSION VERSION: bump to 23.3.0-devel 2023-07-12 11:13:17 -07:00

`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://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.