From 7f42a9c47c5a7f40cf02032d286d6bd62f28e650 Mon Sep 17 00:00:00 2001
From: Mathias Agopian <mathias@google.com>
Date: Mon, 23 Apr 2012 20:00:16 -0700
Subject: [PATCH] triple buffering is now controled by BoardConfig and enabled
 by default

use TARGET_DISABLE_TRIPLE_BUFFERING := true to disable
triple buffering.

Change-Id: I9875d6ddefd23c1af9e51e7ee7dec1bacd1e6799
---
 services/surfaceflinger/Android.mk | 12 ++++++------
 services/surfaceflinger/Layer.cpp  |  8 ++++----
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index d2e01101f..8b1645661 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -20,19 +20,19 @@ LOCAL_SRC_FILES:= \
 LOCAL_CFLAGS:= -DLOG_TAG=\"SurfaceFlinger\"
 LOCAL_CFLAGS += -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES
 
-ifeq ($(TARGET_HAS_WAITFORVSYNC), true)
-	LOCAL_CFLAGS += -DHAS_WAITFORVSYNC
-endif
-
 ifeq ($(TARGET_BOARD_PLATFORM), omap3)
 	LOCAL_CFLAGS += -DNO_RGBX_8888
 endif
 ifeq ($(TARGET_BOARD_PLATFORM), omap4)
 	LOCAL_CFLAGS += -DHAS_CONTEXT_PRIORITY
-	LOCAL_CFLAGS += -DUSE_TRIPLE_BUFFERING
 endif
 ifeq ($(TARGET_BOARD_PLATFORM), s5pc110)
-	LOCAL_CFLAGS += -DHAS_CONTEXT_PRIORITY -DNEVER_DEFAULT_TO_ASYNC_MODE
+	LOCAL_CFLAGS += -DHAS_CONTEXT_PRIORITY
+	LOCAL_CFLAGS += -DNEVER_DEFAULT_TO_ASYNC_MODE
+endif
+
+ifeq ($(TARGET_DISABLE_TRIPLE_BUFFERING), true)
+	LOCAL_CFLAGS += -DTARGET_DISABLE_TRIPLE_BUFFERING
 endif
 
 LOCAL_SHARED_LIBRARIES := \
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 464307144..6d77daf3a 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -110,11 +110,11 @@ void Layer::onFirstRef()
     mSurfaceTexture->setFrameAvailableListener(new FrameQueuedListener(this));
     mSurfaceTexture->setSynchronousMode(true);
 
-#ifdef USE_TRIPLE_BUFFERING
-#warning "using triple buffering"
-    mSurfaceTexture->setBufferCountServer(3);
-#else
+#ifdef TARGET_DISABLE_TRIPLE_BUFFERING
+#warning "disabling triple buffering"
     mSurfaceTexture->setBufferCountServer(2);
+#else
+    mSurfaceTexture->setBufferCountServer(3);
 #endif
 }