1 files changed, 22 insertions, 0 deletions
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 9191b2a379..7578a3db29 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -550,6 +550,9 @@ int Surface::perform(int operation, va_list args)
     case NATIVE_WINDOW_SET_SURFACE_DAMAGE:
         res = dispatchSetSurfaceDamage(args);
         break;
+    case NATIVE_WINDOW_SET_SINGLE_BUFFER_MODE:
+        res = dispatchSetSingleBufferMode(args);
+        break;
     default:
         res = NAME_NOT_FOUND;
         break;
@@ -660,6 +663,12 @@ int Surface::dispatchSetSurfaceDamage(va_list args) {
     return NO_ERROR;
 }
 
+int Surface::dispatchSetSingleBufferMode(va_list args) {
+    bool singleBufferMode = va_arg(args, int);
+    setSingleBufferMode(singleBufferMode);
+    return NO_ERROR;
+}
+
 int Surface::connect(int api) {
     static sp<IProducerListener> listener = new DummyProducerListener();
     return connect(api, listener);
@@ -861,6 +870,19 @@ int Surface::setAsyncMode(bool async) {
     return err;
 }
 
+int Surface::setSingleBufferMode(bool singleBufferMode) {
+    ATRACE_CALL();
+    ALOGV("Surface::setSingleBufferMode (%d)", singleBufferMode);
+    Mutex::Autolock lock(mMutex);
+
+    status_t err = mGraphicBufferProducer->setSingleBufferMode(
+            singleBufferMode);
+    ALOGE_IF(err, "IGraphicsBufferProducer::setSingleBufferMode(%d) returned"
+            "%s", singleBufferMode, strerror(-err));
+
+    return err;
+}
+
 int Surface::setBuffersDimensions(uint32_t width, uint32_t height)
 {
     ATRACE_CALL();