Shared timeline plumbing
Add plumbing to get shared timeline data from Surface Flinger to HWUI
and back.
Bug: 162890382
Bug: 162888881
Bug: 162890407
Test: manual using ALOG messages in SF
Change-Id: I85c5eb56d2fa933889518854e7b79b1e65e29af3
diff --git a/libs/hwui/renderthread/TimeLord.cpp b/libs/hwui/renderthread/TimeLord.cpp
index 784068f..7dc36c4 100644
--- a/libs/hwui/renderthread/TimeLord.cpp
+++ b/libs/hwui/renderthread/TimeLord.cpp
@@ -19,9 +19,17 @@
namespace uirenderer {
namespace renderthread {
-TimeLord::TimeLord() : mFrameIntervalNanos(milliseconds_to_nanoseconds(16)), mFrameTimeNanos(0) {}
+TimeLord::TimeLord() : mFrameIntervalNanos(milliseconds_to_nanoseconds(16)),
+ mFrameTimeNanos(0),
+ mFrameIntendedTimeNanos(0),
+ mFrameVsyncId(-1) {}
-bool TimeLord::vsyncReceived(nsecs_t vsync) {
+bool TimeLord::vsyncReceived(nsecs_t vsync, nsecs_t intendedVsync, int64_t vsyncId) {
+ if (intendedVsync > mFrameIntendedTimeNanos) {
+ mFrameIntendedTimeNanos = intendedVsync;
+ mFrameVsyncId = vsyncId;
+ }
+
if (vsync > mFrameTimeNanos) {
mFrameTimeNanos = vsync;
return true;
@@ -36,6 +44,8 @@
if (jitterNanos >= mFrameIntervalNanos) {
nsecs_t lastFrameOffset = jitterNanos % mFrameIntervalNanos;
mFrameTimeNanos = now - lastFrameOffset;
+ // mFrameVsyncId is not adjusted here as we still want to send
+ // the vsync id that started this frame to the Surface Composer
}
return mFrameTimeNanos;
}