lineage-rockchip/android_external_drm_hwcomposer
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Andrew Wolfers a51a43422d drm_hwcomposer: Use cached validated composition 
This change adds caching to save the most recently
validated composition. The cached value is used where
appropriate to avoid recalculating the DrmKmsPlan or
the CompositionTypeMap from ValidateDisplay again in
PresentDisplay. The cached ValidatedComposition
replaces the previously cached DrmKmsPlan, preserving
the lifecycle management requirements.

Change-Id: I59704e26ae1a6950e750d246314b2db6af2f11a0
2025-10-03 18:56:19 +00:00
.ci drm_hwcomposer: Add PipelineBindable unit tests 2025-10-02 15:06:16 +00:00
backend drm_hwcomposer: Use cached validated composition 2025-10-03 18:56:19 +00:00
bufferinfo drm_hwcomposer: Migrate to android::drm_hwcomposer namespace 2025-09-08 18:53:00 +00:00
compositor drm_hwcomposer: Don't reset callbacks in FlatteningController 2025-09-19 17:36:33 -06:00
drm drm_hwcomposer: Add GetUsablePlanes tests to DrmDisplayPipelineTest 2025-10-02 15:06:23 +00:00
hwc drm_hwcomposer: Use cached validated composition 2025-10-03 18:56:19 +00:00
hwc2_device drm_hwcomposer: Add Rect utility type 2025-09-10 13:41:51 +00:00
hwc3 drm_hwcomposer: Add tracing around validate/present paths 2025-09-24 12:11:22 -04:00
stats drm_hwcomposer: Migrate to android::drm_hwcomposer namespace 2025-09-08 18:53:00 +00:00
tests drm_hwcomposer: Migrate to android::drm_hwcomposer namespace 2025-09-08 18:53:00 +00:00
utils drm_hwcomposer: Cleanup includes for test target 2025-10-02 15:06:12 +00:00
.clang-format drm_hwcomposer: clang-format: Derive pointer alignment 2025-08-19 09:16:22 -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: Add vts job for multi-displays 2025-09-17 16:41:25 -07:00
Android.bp drm_hwcomposer: Add PipelineBindable unit tests 2025-10-02 15:06:16 +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: Add buildflag guards around libsync deps 2025-10-02 15:06:06 +00:00
meson.options drm_hwcomposer: CI: Update to Android 16 2025-08-19 14:52:08 -07:00
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!