lineage-rockchip/android_external_drm_hwcomposer
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Drew Davenport b9e2bdb8f3 drm_hwcomposer: Add thread annotations for DrmAtomicStateManager 
Shared state is protected by a combination of the local mutex_ and the
global lock. This change attempts to document and enforce that more
clearly using clang-tidy thread annotations.

Change unique_lock usage to lock_guard for cases that do not require
release of the mutex such as when using a condition variable.

Temporarily add a main_lock_ mutex which mirrors how
the global lock is being used for synchronization. Lock this at the
entry point to all public methods. This lock will be removed as a part
of subsequent refactoring and it used to more cleanly break up the
following changes in this series.

Some state is not properly protected by any lock, so temporarily disable
the warnings around access to that state until the synchronization is
resolved in subsequent changes.

Change-Id: I6f4f30c4e97f266146b0879c5255d6f2432f12a3
2025-06-12 01:39:23 +00:00
.ci drm_hwcomposer: Report composition stats as vendor atoms 2025-06-10 06:59:51 +00:00
backend drm_hwcomposer: Move common files out of hwc2_device directory 2025-05-23 09:01:32 -06:00
bufferinfo drm_hwcomposer: Add adjustments for cursor plane commits 2025-03-14 13:33:39 +00:00
compositor drm_hwcomposer: Remove SetColorTransform HWC2 API 2025-05-22 13:35:37 -04:00
drm drm_hwcomposer: Add thread annotations for DrmAtomicStateManager 2025-06-12 01:39:23 +00:00
hwc drm_hwcomposer: Move common files out of hwc2_device directory 2025-05-23 09:01:32 -06:00
hwc2_device drm_hwcomposer: Move common files out of hwc2_device directory 2025-05-23 09:01:32 -06:00
hwc3 drm_hwcomposer: Use android-base/thread_annotations.h 2025-06-12 01:39:23 +00:00
stats drm_hwcomposer: Report composition stats as vendor atoms 2025-06-10 06:59:51 +00:00
tests drm_hwcomposer: Enable performance-avoid-endl clang-tidy check 2025-01-24 23:44:00 +02:00
utils drm_hwcomposer: Use android-base/thread_annotations.h 2025-06-12 01:39:23 +00:00
.clang-format drm_hwcomposer: clang-format: Preserve header blocks 2024-10-14 14:23:24 -06:00
.clang-tidy drm_hwcomposer: CI: Use aospext to provide headers for clang-tidy 2023-11-21 18:50:58 +02:00
.gitignore Add .gitignore 2024-10-14 12:32:10 -06:00
.gitlab-ci.yml drm_hwcomposer: CI: Stop duplicate pipelines 2025-06-10 14:25:29 -07:00
Android.bp drm_hwcomposer: Move atom reporter dependency 2025-06-11 22:36:26 +00:00
Makefile drm_hwcomposer: Fix build_deploy script and switch it to hwc3 2024-11-27 23:23:57 +02:00
meson.build drm_hwcomposer: Report composition stats as vendor atoms 2025-06-10 06:59:51 +00:00
MODULE_LICENSE_APACHE2 drm_hwcomposer: License NOTICE file and metadata from AOSP 2018-05-04 10:46:10 -07:00
NOTICE drm_hwcomposer: License NOTICE file and metadata from AOSP 2018-05-04 10:46:10 -07:00
README.md drm_hwcomposer: CI: Upgrade Ubuntu and clang version 2024-10-17 02:13:14 +03:00

README.md

drm_hwcomposer

Patches to drm_hwcomposer are very much welcome, we really want this to be the universal HW composer implementation for Android and similar platforms. So please bring on porting patches, bugfixes, improvements for documentation and new features.

A short list of contribution guidelines:

  • Submit changes via gitlab merge requests on gitlab.freedesktop.org.

  • drm_hwcomposer is Apache 2.0 Licensed and we require contributions to follow the developer's certificate of origin: http://developercertificate.org/.

  • When submitting new code please follow the naming conventions documented in the generated documentation. Also please make full use of all the helpers and convenience macros provided by drm_hwcomposer. The below command can help you with formatting of your patches:

    git diff | clang-format-diff-19 -p 1 -style=file

  • Hardware specific changes should be tested on relevant platforms before committing.

If you need inspiration, please checkout our TODO issues.

Happy hacking!