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authorMattijs Korpershoek <mkorpershoek@baylibre.com>2023-08-24 14:28:32 +0200
committerMattijs Korpershoek <mkorpershoek@baylibre.com>2023-09-23 17:30:37 +0200
commit0afa6ee1075a625940a69c51ec708b64e6d1f113 (patch)
tree14d7c74f831e2ccd3157da13cd60e0ccc86878ee /src/android/frame_buffer_allocator.h
parent1d616141420d1f51e5999d758e3e0cc721a46290 (diff)
android: switch over to modern gralloc API via libui
gralloc.h is a very old API that has been deprecated at least since Android P (9). Devices are encouraged to switch over to HIDL interface named android.hardware.graphics.allocator@<VERSION>, where <VERSION> can be 2.0 ,3.0 or 4.0. This is mandatory since Android Q (10) [1] Fortunately, Android provides an abstraction on top of android.hardware.graphics.allocator which is compatible with each version. This abstraction is implemented in libui, which is available in the VNDK. Import all necessary headers from AOSP and switch over the generic_frame_buffer_allocator to use GraphicBufferAllocator. This series has been build-tested on a linux host and functionally tested on an AM62x SK EVM with Android 13. (preview and capture). [1] https://android.googlesource.com/platform/hardware/interfaces/+/refs/heads/main/compatibility_matrices/compatibility_matrix.4.xml#195 To: libcamera-devel@lists.libcamera.org Cc: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Cc: Guillaume La Roque <glaroque@baylibre.com> Cc: Mattijs Korpershoek <mkorpershoek@baylibre.com> Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> --- Changes in v4: - EDITME: describe what is new in this series revision. - EDITME: use bulletpoints and terse descriptions. - Link to v3: https://lore.kernel.org/r/20230923-gralloc-api-v4-v3-0-9a9e039284ba@baylibre.com Changes in v3: - Fixed patch 3 missing whitespace (Jacopo) - Added libui meson import build in patch 3 (more consistent) (Jacopo) - Removed member reference to GraphicBufferAllocator in patch 4 (Jacopo) - Link to v2: https://lists.libcamera.org/pipermail/libcamera-devel/2023-September/038942.html Changes in v2: - Dropped additional ; in graphic_buffer_allocator_stub.cpp. (Kieran) - Surrounded problematic includes with #pragma to avoid clang compile errors related to -Wextra-semi. (Kieran) - Link to v1: https://lists.libcamera.org/pipermail/libcamera-devel/2023-September/038927.html Tested on linux with: CC=clang CXX=clang++ meson setup build -Dandroid=enabled -Dandroid_platform=generic ninja -C build And clang version clang++ (clang 16.0.6 "clang version 16.0.6 (Fedora 16.0.6-2.fc38)") --- b4-submit-tracking --- # This section is used internally by b4 prep for tracking purposes. { "series": { "revision": 4, "change-id": "20230824-gralloc-api-v4-e3388fd364c6", "base-branch": "master", "prefixes": [], "history": { "v1": [ "20230912-gralloc-api-v4-v1-0-0f80402d8e7a@baylibre.com" ], "v2": [ "20230912-gralloc-api-v4-v2-0-e859da63f98c@baylibre.com" ], "v3": [ "20230923-gralloc-api-v4-v3-0-9a9e039284ba@baylibre.com" ] } } }
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