SurfaceFlinger: Shared timeline plumbing

Add plumbing to get shared timeline data from Surface Flinger to HWUI
and back.

Bug: 162890382
Bug: 162888881

Test: SF unit tests
Change-Id: Ifb76e6bf28d43c051e6c8ff568437ec9a106b865

1 files changed, 15 insertions, 1 deletions

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 9d35a3fca6..51107d31da 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -5001,7 +5001,8 @@ status_t SurfaceFlinger::CheckTransactCodeCredentials(uint32_t code) {
         // captureLayers and captureDisplay will handle the permission check in the function
         case CAPTURE_LAYERS:
         case CAPTURE_DISPLAY:
-        case SET_DISPLAY_BRIGHTNESS: {
+        case SET_DISPLAY_BRIGHTNESS:
+        case SET_FRAME_TIMELINE_VSYNC: {
             return OK;
         }
 
@@ -6333,6 +6334,19 @@ void SurfaceFlinger::onFrameRateFlexibilityTokenReleased() {
     }));
 }
 
+status_t SurfaceFlinger::setFrameTimelineVsync(const sp<IGraphicBufferProducer>& surface,
+                                               int64_t frameTimelineVsyncId) {
+    Mutex::Autolock lock(mStateLock);
+    if (!authenticateSurfaceTextureLocked(surface)) {
+        ALOGE("Attempt to set frame timeline vsync on an unrecognized IGraphicBufferProducer");
+        return BAD_VALUE;
+    }
+
+    sp<Layer> layer = (static_cast<MonitoredProducer*>(surface.get()))->getLayer();
+    layer->setFrameTimelineVsync(frameTimelineVsyncId);
+    return NO_ERROR;
+}
+
 void SurfaceFlinger::enableRefreshRateOverlay(bool enable) {
     static_cast<void>(schedule([=] {
         std::unique_ptr<RefreshRateOverlay> overlay;