Merge change Ie05f07df into eclair

* changes:
  fix [2170319] gmail bulk operation checkbox latency on passion

include/private/ui/SharedBufferStack.h

@@ -289,6 +289,7 @@ public:
     void setStatus(status_t status);
     status_t reallocate();
     status_t assertReallocate(int buffer);
+    int32_t getQueuedCount() const;
     
     Region getDirtyRegion(int buffer) const;
 

include/private/ui/SurfaceFlingerSynchro.h

@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-#ifndef ANDROID_SURFACE_FLINGER_SYNCHRO_H
-#define ANDROID_SURFACE_FLINGER_SYNCHRO_H
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <utils/Errors.h>
-#include <ui/ISurfaceComposer.h>
-
-namespace android {
-
-class SurfaceFlinger;
-
-class SurfaceFlingerSynchro
-{
-public:
-                // client constructor
-                SurfaceFlingerSynchro(const sp<ISurfaceComposer>& flinger);
-                ~SurfaceFlingerSynchro();
-    
-                // signal surfaceflinger for some work
-    status_t    signal();
-    
-private:
-    friend class SurfaceFlinger;
-    sp<ISurfaceComposer> mSurfaceComposer;
-};
-
-}; // namespace android
-
-#endif // ANDROID_SURFACE_FLINGER_SYNCHRO_H
-

include/ui/SurfaceComposerClient.h

@@ -153,7 +153,7 @@ private:
                 SharedClient*               mControl;
                 sp<IMemoryHeap>             mControlMemory;
                 sp<ISurfaceFlingerClient>   mClient;
-                SurfaceFlingerSynchro*      mSignalServer;
+                sp<ISurfaceComposer>        mSignalServer;
 };
 
 }; // namespace android

libs/surfaceflinger/Layer.cpp

@@ -460,8 +460,10 @@ void Layer::lockPageFlip(bool& recomputeVisibleRegions)
         }
     }
 
-    // FIXME: signal an event if we have more buffers waiting
-    // mFlinger->signalEvent();
+    if (lcblk->getQueuedCount()) {
+        // signal an event if we have more buffers waiting
+        mFlinger->signalEvent();
+    }
 
     if (!mPostedDirtyRegion.isEmpty()) {
         reloadTexture( mPostedDirtyRegion );

libs/ui/Android.mk

@@ -27,8 +27,7 @@ LOCAL_SRC_FILES:= \
 	Region.cpp \
 	SharedBufferStack.cpp \
 	Surface.cpp \
-	SurfaceComposerClient.cpp \
-	SurfaceFlingerSynchro.cpp 
+	SurfaceComposerClient.cpp
 
 LOCAL_SHARED_LIBRARIES := \
 	libcutils \

libs/ui/SharedBufferStack.cpp

@@ -394,6 +394,12 @@ status_t SharedBufferServer::reallocate()
     return NO_ERROR;
 }
 
+int32_t SharedBufferServer::getQueuedCount() const
+{
+    SharedBufferStack& stack( *mSharedStack );
+    return stack.queued;
+}
+
 status_t SharedBufferServer::assertReallocate(int buffer)
 {
     ReallocateCondition condition(this, buffer);

libs/ui/SurfaceComposerClient.cpp

@@ -42,7 +42,6 @@
 
 #include <private/ui/LayerState.h>
 #include <private/ui/SharedBufferStack.h>
-#include <private/ui/SurfaceFlingerSynchro.h>
 
 #define VERBOSE(...)	((void)0)
 //#define VERBOSE			LOGD
@@ -155,7 +154,6 @@ void SurfaceComposerClient::_init(
 {
     VERBOSE("Creating client %p, conn %p", this, conn.get());
 
-    mSignalServer = 0;
     mPrebuiltLayerState = 0;
     mTransactionOpen = 0;
     mStatus = NO_ERROR;
@@ -168,7 +166,7 @@ void SurfaceComposerClient::_init(
     }
 
     mControlMemory = mClient->getControlBlock();
-    mSignalServer = new SurfaceFlingerSynchro(sm);
+    mSignalServer = sm;
     mControl = static_cast<SharedClient *>(mControlMemory->getBase());
 }
 
@@ -225,7 +223,6 @@ void SurfaceComposerClient::dispose()
         Mutex::Autolock _lg(gLock);
         Mutex::Autolock _lm(mLock);
 
-        delete mSignalServer;
         mSignalServer = 0;
 
         if (mClient != 0) {

libs/ui/SurfaceFlingerSynchro.cpp

@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdint.h>
-
-#include <private/ui/SurfaceFlingerSynchro.h>
-
-namespace android {
-
-// ---------------------------------------------------------------------------
-
-SurfaceFlingerSynchro::SurfaceFlingerSynchro(const sp<ISurfaceComposer>& flinger)
-    : mSurfaceComposer(flinger)
-{
-}
-SurfaceFlingerSynchro::~SurfaceFlingerSynchro()
-{
-}
-
-status_t SurfaceFlingerSynchro::signal()
-{
-    mSurfaceComposer->signal();
-    return NO_ERROR;
-}
-
-// ---------------------------------------------------------------------------
-
-}; // namespace android
-