commit e8b1aeb51e1e5da64f1d4fd40f2ee1e815886fe5
author Andy McFadden <fadden@android.com> Fri Jun 13 14:05:40 2014 -0700
committer Andy McFadden <fadden@android.com> Tue Jun 17 11:13:58 2014 -0700
tree ca15a1cdd58248d967d06f3f56bd973e0f2965b7
parent 3ecdd832c77483c909fbf90d17d0e6d97ca365ee

Add two new display info fields

This adds SurfaceFlinger's app VSYNC offset and buffer deadline
values to DisplayInfo.  The values will be available to apps
through queries on a Display object (currently hidden).

Bug 14612039

Change-Id: I48760f58a9d74d99651b02a9d595f420410f2bb5

core/jni/android_view_SurfaceControl.cpp

diff --git a/core/jni/android_view_SurfaceControl.cpp b/core/jni/android_view_SurfaceControl.cpp
index c0d5221..cfc8eb8 100644
--- a/core/jni/android_view_SurfaceControl.cpp
+++ b/core/jni/android_view_SurfaceControl.cpp
@@ -61,6 +61,8 @@
     jfieldID xDpi;
     jfieldID yDpi;
     jfieldID secure;
+    jfieldID appVsyncOffsetNanos;
+    jfieldID presentationDeadlineNanos;
 } gPhysicalDisplayInfoClassInfo;
 
 static struct {
@@ -392,6 +394,10 @@
         env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.xDpi, info.xdpi);
         env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.yDpi, info.ydpi);
         env->SetBooleanField(infoObj, gPhysicalDisplayInfoClassInfo.secure, info.secure);
+        env->SetLongField(infoObj, gPhysicalDisplayInfoClassInfo.appVsyncOffsetNanos,
+                info.appVsyncOffset);
+        env->SetLongField(infoObj, gPhysicalDisplayInfoClassInfo.presentationDeadlineNanos,
+                info.presentationDeadline);
         env->SetObjectArrayElement(configArray, static_cast<jsize>(c), infoObj);
         env->DeleteLocalRef(infoObj);
     }
@@ -648,6 +654,10 @@
     gPhysicalDisplayInfoClassInfo.xDpi = env->GetFieldID(clazz, "xDpi", "F");
     gPhysicalDisplayInfoClassInfo.yDpi = env->GetFieldID(clazz, "yDpi", "F");
     gPhysicalDisplayInfoClassInfo.secure = env->GetFieldID(clazz, "secure", "Z");
+    gPhysicalDisplayInfoClassInfo.appVsyncOffsetNanos = env->GetFieldID(clazz,
+            "appVsyncOffsetNanos", "J");
+    gPhysicalDisplayInfoClassInfo.presentationDeadlineNanos = env->GetFieldID(clazz,
+            "presentationDeadlineNanos", "J");
 
     jclass rectClazz = env->FindClass("android/graphics/Rect");
     gRectClassInfo.bottom = env->GetFieldID(rectClazz, "bottom", "I");