commit 21d94322a3bec4b8f16010b91eb1da564c345da7
author Alec Mouri <alecmouri@google.com> Tue Oct 17 19:51:39 2023 +0000
committer Alec Mouri <alecmouri@google.com> Wed Nov 15 17:26:19 2023 +0000
tree 625742e64597343f190533807412dba2fbdeaed9
parent ecbfa07774714ed49884f8424e5d9a92826a8f9c

Assign previous release fence to previous frame ID

...as otherwise the release timestamps for EGL/Vk timing apis are
shifted by one frame.

Bug: 295456126
Bug: 301055892
Bug: 303385401
Bug: 310927247
Test: Log and inspect timestamps
Change-Id: If1d8a525053591f15b95aeec8dc0bad8a13e6833

services/surfaceflinger/Layer.h

diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index f715910..28168c3 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -138,6 +138,7 @@
         ui::Dataspace dataspace;
 
         uint64_t frameNumber;
+        uint64_t previousFrameNumber;
         // high watermark framenumber to use to check for barriers to protect ourselves
         // from out of order transactions
         uint64_t barrierFrameNumber;