The Wayback Machine - https://web.archive.org/web/20250219092928/https://android.googlesource.com/platform/external/drm_hwcomposer/
Clone this repo:
  1. 21a455e Upgrade drm_hwcomposer to 75855a6ab877011a2e26ae95da7ddf06dd3a04b2 by Sadaf Ebrahimi · 16 hours ago main master
  2. 75855a6 drm_hwcomposer: Check if the display is valid in setAutoLowLatencyMode by Roman Stratiienko · 5 days ago
  3. 907a51a drm_hwcomposer: Produce stable port IDs by Gil Dekel · 4 days ago
  4. c88294c drm_hwcomposer: Fix DrmPlane typos by Andrew Wolfers · 10 weeks ago
  5. 2290dc6 drm_hwcomposer: Use DUMB buffer for modeset by Roman Stratiienko · 10 days ago

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!