commit d7971e757171823f9c9e46d98f8239b30dccd55c
author Carlos Martinez Romero <carlosmr@google.com> Mon Feb 27 23:51:52 2023 +0000
committer Carlos Martinez Romero <carlosmr@google.com> Fri Mar 10 00:35:54 2023 +0000
tree f433fa09f5d76173eaa3d707c3190c1299134c0c
parent f515de9517346f3b6cb8ce0a66bffd00e1d0bdfa

Update the frameCallback postAt time.

Bug: 260089749
Test: Manual
Change-Id: I3a37c2a482c461f3347cc47601246afb25823866

libs/hwui/renderthread/RenderThread.cpp

diff --git a/libs/hwui/renderthread/RenderThread.cpp b/libs/hwui/renderthread/RenderThread.cpp
index 7a7f1ab..0afd949 100644
--- a/libs/hwui/renderthread/RenderThread.cpp
+++ b/libs/hwui/renderthread/RenderThread.cpp
@@ -135,7 +135,9 @@
         !mFrameCallbackTaskPending) {
         ATRACE_NAME("queue mFrameCallbackTask");
         mFrameCallbackTaskPending = true;
-        nsecs_t runAt = (frameTimeNanos + mDispatchFrameDelay);
+
+        nsecs_t timeUntilDeadline = frameDeadline - frameTimeNanos;
+        nsecs_t runAt = (frameTimeNanos + (timeUntilDeadline * 0.25f));
         queue().postAt(runAt, [=]() { dispatchFrameCallbacks(); });
     }
 }
@@ -257,7 +259,6 @@
 void RenderThread::setupFrameInterval() {
     nsecs_t frameIntervalNanos = DeviceInfo::getVsyncPeriod();
     mTimeLord.setFrameInterval(frameIntervalNanos);
-    mDispatchFrameDelay = static_cast<nsecs_t>(frameIntervalNanos * .25f);
 }
 
 void RenderThread::requireGlContext() {

libs/hwui/renderthread/RenderThread.h

diff --git a/libs/hwui/renderthread/RenderThread.h b/libs/hwui/renderthread/RenderThread.h
index 0a89e5e..c77cd41 100644
--- a/libs/hwui/renderthread/RenderThread.h
+++ b/libs/hwui/renderthread/RenderThread.h
@@ -235,7 +235,6 @@
     bool mFrameCallbackTaskPending;
 
     TimeLord mTimeLord;
-    nsecs_t mDispatchFrameDelay = 4_ms;
     RenderState* mRenderState;
     EglManager* mEglManager;
     WebViewFunctorManager& mFunctorManager;