commit dc96fdfa58260867c993fff78611220874753201
author Brian Anderson <brianderson@google.com> Mon Mar 20 16:54:25 2017 -0700
committer Brian Anderson <brianderson@google.com> Tue Apr 11 16:57:11 2017 -0700
tree debb2fb42d1c93fb6f86d6441023a7148715dcea
parent 6b376713907086c9642e7b7e66e51ddfa531b003

egl: Differentiate pending vs invalid timestamps.

Test: adb shell /data/nativetest/libgui_test/libgui_test
    --gtest_filter=*GetFrameTimestamps*

Change-Id: Iaa418ff1753a4339bfefaa68a6b03e8c96366a87

libs/nativewindow/include/system/window.h

diff --git a/libs/nativewindow/include/system/window.h b/libs/nativewindow/include/system/window.h
index 0251aed..fb67a51 100644
--- a/libs/nativewindow/include/system/window.h
+++ b/libs/nativewindow/include/system/window.h
@@ -311,6 +311,14 @@
  */
 static const int64_t NATIVE_WINDOW_TIMESTAMP_AUTO = (-9223372036854775807LL-1);
 
+/* parameter for NATIVE_WINDOW_GET_FRAME_TIMESTAMPS
+ *
+ * Special timestamp value to indicate the timestamps aren't yet known or
+ * that they are invalid.
+ */
+static const int64_t NATIVE_WINDOW_TIMESTAMP_PENDING = -2;
+static const int64_t NATIVE_WINDOW_TIMESTAMP_INVALID = -1;
+
 struct ANativeWindow
 {
 #ifdef __cplusplus