commit 8d7e31ee6aab919aeb1ef8bbb520cff2afc7e5d7
author Fabien Sanglard <sanglardf@google.com> Tue Mar 14 13:16:30 2017 -0700
committer Fabien Sanglard <sanglardf@google.com> Wed Mar 15 14:33:52 2017 -0700
tree 3d8c5dd71ce265312907887e07afeaa395eb183c
parent dc314a30ee814ed40b308375c8ff8b60a98a7661

Create present timestamp offset for SF

Change-Id: Ic6435cca06739f749c6041c0925ca235dcc7f51e

configstore/1.0/default/SurfaceFlingerConfigs.cpp

diff --git a/configstore/1.0/default/SurfaceFlingerConfigs.cpp b/configstore/1.0/default/SurfaceFlingerConfigs.cpp
index 035479c..86e9b35 100644
--- a/configstore/1.0/default/SurfaceFlingerConfigs.cpp
+++ b/configstore/1.0/default/SurfaceFlingerConfigs.cpp
@@ -69,6 +69,16 @@
     return Void();
 }
 
+Return<void> SurfaceFlingerConfigs::presentTimeOffsetFromVSyncNs(presentTimeOffsetFromVSyncNs_cb _hidl_cb) {
+#ifdef PRESENT_TIME_OFFSET_FROM_VSYNC_NS
+      _hidl_cb({true, PRESENT_TIME_OFFSET_FROM_VSYNC_NS});
+      LOG(INFO) << "SurfaceFlinger presentTimeStampOffsetNs =  " << PRESENT_TIME_OFFSET_FROM_VSYNC_NS;
+#else
+      _hidl_cb({false, 0});
+#endif
+      return Void();
+}
+
 // Methods from ::android::hidl::base::V1_0::IBase follow.
 
 ISurfaceFlingerConfigs* HIDL_FETCH_ISurfaceFlingerConfigs(const char* /* name */) {

configstore/1.0/default/SurfaceFlingerConfigs.h

diff --git a/configstore/1.0/default/SurfaceFlingerConfigs.h b/configstore/1.0/default/SurfaceFlingerConfigs.h
index aa7fb8b..8378383 100644
--- a/configstore/1.0/default/SurfaceFlingerConfigs.h
+++ b/configstore/1.0/default/SurfaceFlingerConfigs.h
@@ -30,6 +30,7 @@
     Return<void> useContextPriority(useContextPriority_cb _hidl_cb) override;
     Return<void> hasWideColorDisplay(hasWideColorDisplay_cb _hidl_cb) override;
     Return<void> hasHDRDisplay(hasHDRDisplay_cb _hidl_cb) override;
+    Return<void> presentTimeOffsetFromVSyncNs(presentTimeOffsetFromVSyncNs_cb _hidl_cb) override;
 
     // Methods from ::android::hidl::base::V1_0::IBase follow.
 

configstore/1.0/default/surfaceflinger.mk

diff --git a/configstore/1.0/default/surfaceflinger.mk b/configstore/1.0/default/surfaceflinger.mk
index 8ee3686..d824072 100644
--- a/configstore/1.0/default/surfaceflinger.mk
+++ b/configstore/1.0/default/surfaceflinger.mk
@@ -29,3 +29,8 @@
     LOCAL_CFLAGS += -DHAS_HDR_DISPLAY
 endif
 
+ifneq ($(PRESENT_TIME_OFFSET_FROM_VSYNC_NS),)
+    LOCAL_CFLAGS += -DPRESENT_TIME_OFFSET_FROM_VSYNC_NS=$(PRESENT_TIME_OFFSET_FROM_VSYNC_NS)
+else
+    LOCAL_CFLAGS += -DPRESENT_TIME_OFFSET_FROM_VSYNC_NS=0
+endif