commit 14a0e58074f2698829b6554f578e6762c377caa3
author Grace Kloba <klobag@google.com> Thu Jun 23 21:21:47 2011 -0700
committer Grace Kloba <klobag@google.com> Thu Jun 23 21:21:47 2011 -0700
tree ba2608c3ce979fc9d19b03d87f25089f098c1e9a
parent f415c1e6029324f8716c4c6dd76ca5c186450e44

Add allowSynchronousMode to SurfaceTexture constructor.

Change-Id: I54f30a3c16bbe6b813f3bcd1d389da5627531304

libs/gui/SurfaceTexture.cpp

diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp
index 3cecdb4..37e6d11 100644
--- a/libs/gui/SurfaceTexture.cpp
+++ b/libs/gui/SurfaceTexture.cpp
@@ -78,7 +78,7 @@
 
 static void mtxMul(float out[16], const float a[16], const float b[16]);
 
-SurfaceTexture::SurfaceTexture(GLuint tex) :
+SurfaceTexture::SurfaceTexture(GLuint tex, bool allowSynchronousMode) :
     mDefaultWidth(1),
     mDefaultHeight(1),
     mPixelFormat(PIXEL_FORMAT_RGBA_8888),
@@ -91,7 +91,8 @@
     mCurrentTimestamp(0),
     mNextTransform(0),
     mTexName(tex),
-    mSynchronousMode(false) {
+    mSynchronousMode(false),
+    mAllowSynchronousMode(allowSynchronousMode) {
     LOGV("SurfaceTexture::SurfaceTexture");
     sp<ISurfaceComposer> composer(ComposerService::getComposerService());
     mGraphicBufferAlloc = composer->createGraphicBufferAlloc();
@@ -371,6 +372,9 @@
     Mutex::Autolock lock(mMutex);
 
     status_t err = OK;
+    if (!mAllowSynchronousMode && enabled)
+        return err;
+
     if (!enabled) {
         // going to asynchronous mode, drain the queue
         while (mSynchronousMode != enabled && !mQueue.isEmpty()) {