Merge remote-tracking branch 'goog/mirror-aosp-master' into merge

The trout virtual device was broken by the recent move to HWC 2.4
as it was not able to execute the new calls in HWC 2.4; bring in
AOSP drm_hwc in order to support HWC 2.4 on trout

Bug: 202850907
Test: build and boot trout
Change-Id: I418234d51a8674ed348774a02f7b28ed6495e7ac
tree: f710c50bff91decd514af8cd690aceb802a0e231
  1. .ci/
  2. backend/
  3. bufferinfo/
  4. compositor/
  5. drm/
  6. include/
  7. tests/
  8. utils/
  9. .clang-format
  10. .clang-tidy
  11. .gitlab-ci.yml
  12. Android.bp
  13. DrmHwcTwo.cpp
  14. DrmHwcTwo.h
  15. METADATA
  16. MODULE_LICENSE_APACHE2
  17. NOTICE
  18. OWNERS
  19. presubmit.sh
  20. README.md
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-11 -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!