Clone this repo:
  1. 774e5e3 drm_hwcomposer: Merge remote-tracking branch 'aosp/upstream-main' into HEAD by John Stultz · 5 weeks ago master
  2. 720f652 drm_hwcomposer: Assume premultiplied alpha for CLIENT layer by Roman Stratiienko · 6 weeks ago
  3. deb7735 drm_hwcomposer: Fix all cases which triggers an error on -Wsign-compare by Roman Stratiienko · 6 weeks ago
  4. 5621f5f drm_hwcomposer: Use gralloc0::perform API by minigbm bufferinfo getter by Roman Stratiienko · 7 weeks ago
  5. 39d8f7e drm_hwcomposer: Validate gralloc0 name for minigbm and libdrm getters by Roman Stratiienko · 7 weeks ago


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

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

  • 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-12 -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!