commit ed1283a514bae8b2a7c289b994206bb7a9d5c847
author Ady Abraham <adyabr@google.com> Wed Jul 24 15:49:16 2024 -0700
committer Ady Abraham <adyabr@google.com> Thu Jul 25 16:11:35 2024 -0700
tree bc3b5d809a05d916015790aec0d55a820da8031f
parent 44e895b77c8bc9238ed7aa2aa9d6d3da8facd2ad

SF: fix a few bugs with FrameTargeter storing N fences

Bug: 267315508
Bug: 354007767
Bug: 308858993
Test: SF unit tests
Flag: com.android.graphics.surfaceflinger.flags.allow_n_vsyncs_in_targeter
Change-Id: Ib603c0fd29a3e4cb2fcd99dca59bbd5bfb55a787

services/surfaceflinger/Utils/RingBuffer.h

diff --git a/services/surfaceflinger/Utils/RingBuffer.h b/services/surfaceflinger/Utils/RingBuffer.h
index 198e7b2..215472b 100644
--- a/services/surfaceflinger/Utils/RingBuffer.h
+++ b/services/surfaceflinger/Utils/RingBuffer.h
@@ -43,8 +43,10 @@
     }
 
     T& front() { return (*this)[0]; }
+    const T& front() const { return (*this)[0]; }
 
     T& back() { return (*this)[size() - 1]; }
+    const T& back() const { return (*this)[size() - 1]; }
 
     T& operator[](size_t index) {
         return mBuffer[(static_cast<size_t>(mHead + 1) + index) % mCount];