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author | Jamie Gennis <jgennis@google.com> | 2012-04-30 12:57:11 -0700 |
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committer | Jamie Gennis <jgennis@google.com> | 2012-04-30 12:57:11 -0700 |
commit | 6b7adef0ef38f568099eab38d6865f402c92235b (patch) | |
tree | a4a58f8be79e259343b3432ade9cafbc5d10b889 | |
parent | 5cb1de89a905dd13c858779d73721bbc36cd4be1 (diff) | |
download | libhardware-6b7adef0ef38f568099eab38d6865f402c92235b.tar.gz |
hwcomposer: clarify vsync timestamp meaning
This change clarifies the meaning of the HWC vsync timestamp to specify that
the timestamp must be relative to the system monotonic clock.
Change-Id: I4386ce90511fd5b8f8e988917da637d84d86f026
-rw-r--r-- | include/hardware/hwcomposer.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/hardware/hwcomposer.h b/include/hardware/hwcomposer.h index 61ee736e..cb8ac9b5 100644 --- a/include/hardware/hwcomposer.h +++ b/include/hardware/hwcomposer.h @@ -322,8 +322,8 @@ typedef struct hwc_procs { * received and HWC_EVENT_VSYNC is enabled (see: hwc_event_control). * * the "zero" parameter must always be 0. - * the "timestamp" parameter is the timestamp in nanosecond of when the - * vsync event happened. + * the "timestamp" parameter is the system monotonic clock timestamp in + * nanosecond of when the vsync event happened. * * vsync() is GUARANTEED TO NOT CALL BACK into the h/w composer HAL. * |