From 923d27f20d8cd6674e3e34fbf7730bacedf7187c Mon Sep 17 00:00:00 2001
From: Pablo Ceballos <pceballos@google.com>
Date: Mon, 19 Oct 2015 10:24:42 -0700
Subject: [PATCH] Expose setSingleBufferMode in ANativeWindow

Bug 24940410

Change-Id: Ied57f1bef1988bdd0bf4dd95572f0985c9d43c2d
---
 include/system/window.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/system/window.h b/include/system/window.h
index 508ce00ba..9f6e9514a 100644
--- a/include/system/window.h
+++ b/include/system/window.h
@@ -25,6 +25,7 @@
 #include <sys/cdefs.h>
 #include <system/graphics.h>
 #include <unistd.h>
+#include <stdbool.h>
 
 #ifndef __UNUSED
 #define __UNUSED __attribute__((__unused__))
@@ -311,6 +312,7 @@ enum {
     NATIVE_WINDOW_SET_SIDEBAND_STREAM       = 18,
     NATIVE_WINDOW_SET_BUFFERS_DATASPACE     = 19,
     NATIVE_WINDOW_SET_SURFACE_DAMAGE        = 20,   /* private */
+    NATIVE_WINDOW_SET_SINGLE_BUFFER_MODE    = 21,
 };
 
 /* parameter for NATIVE_WINDOW_[API_][DIS]CONNECT */
@@ -949,6 +951,18 @@ static inline int native_window_set_surface_damage(
             rects, numRects);
 }
 
+/*
+ * native_window_set_single_buffer_mode(..., bool singleBufferMode)
+ * Enable/disable single buffer mode
+ */
+static inline int native_window_set_single_buffer_mode(
+        struct ANativeWindow* window,
+        bool singleBufferMode)
+{
+    return window->perform(window, NATIVE_WINDOW_SET_SINGLE_BUFFER_MODE,
+            singleBufferMode);
+}
+
 __END_DECLS
 
 #endif /* SYSTEM_CORE_INCLUDE_ANDROID_WINDOW_H */