LineageOS/android_hardware_libhardware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

hwcomposer: clarify vsync timestamp meaning

Browse Source 
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
This commit is contained in:
Jamie Gennis
2012-04-30 12:57:11 -07:00
parent 5cb1de89a9
commit 6b7adef0ef
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/hardware/hwcomposer.h
View File

@@ -322,8 +322,8 @@ typedef struct hwc_procs {
* received and HWC_EVENT_VSYNC is enabled (see: hwc_event_control). * received and HWC_EVENT_VSYNC is enabled (see: hwc_event_control).
* *
* the "zero" parameter must always be 0. * the "zero" parameter must always be 0.
* the "timestamp" parameter is the timestamp in nanosecond of when the * the "timestamp" parameter is the system monotonic clock timestamp in
* vsync event happened. * nanosecond of when the vsync event happened.
* *
* vsync() is GUARANTEED TO NOT CALL BACK into the h/w composer HAL. * vsync() is GUARANTEED TO NOT CALL BACK into the h/w composer HAL.
* *