commit 070492be9670c46913ee184ef3e0246a193349a4
author Ian Elliott <ianelliott@google.com> Fri Jan 20 13:18:05 2017 -0700
committer Ian Elliott <ianelliott@google.com> Mon Jan 23 11:45:15 2017 -0700
tree 156e179f2ccfa9822e638e8839fa71b43b2b09b9
parent 4228e01ff055b9fd9a196cd7ef661bcff2948118

Plumb refresh cycle duration up to VK_GOOGLE_display_timing.

Test: Manually tested with a modified cube demo, that reports the refresh
duration returned from this extension.

Change-Id: Ida765850e185f5bdf6570796534be005791a64a8

include/system/window.h

diff --git a/include/system/window.h b/include/system/window.h
index 236de8d..56c3da6 100644
--- a/include/system/window.h
+++ b/include/system/window.h
@@ -355,6 +355,7 @@
     NATIVE_WINDOW_SET_AUTO_REFRESH          = 22,
     NATIVE_WINDOW_ENABLE_FRAME_TIMESTAMPS   = 23,
     NATIVE_WINDOW_GET_FRAME_TIMESTAMPS      = 24,
+    NATIVE_WINDOW_GET_REFRESH_CYCLE_PERIOD  = 25,
 };
 
 /* parameter for NATIVE_WINDOW_[API_][DIS]CONNECT */
@@ -1039,6 +1040,14 @@
             outDisplayRetireTime, outDequeueReadyTime, outReleaseTime);
 }
 
+static inline int native_window_get_refresh_cycle_period(
+        struct ANativeWindow* window,
+        int64_t* outMinRefreshDuration, int64_t* outMaxRefreshDuration)
+{
+    return window->perform(window, NATIVE_WINDOW_GET_REFRESH_CYCLE_PERIOD,
+            outMinRefreshDuration, outMaxRefreshDuration);
+}
+
 
 __END_DECLS