am 075e4c3d: Merge "SurfaceFlinger: update orientation via transactions" into ics-mr0

* commit '075e4c3d2e6a8a9eb3506dfedc8da938fb65fb65':
  SurfaceFlinger: update orientation via transactions

include/surfaceflinger/ISurfaceComposer.h

@@ -80,6 +80,7 @@ public:
         eOrientation90          = 1,
         eOrientation180         = 2,
         eOrientation270         = 3,
+        eOrientationUnchanged   = 4,
         eOrientationSwapMask    = 0x01
     };
     
@@ -101,15 +102,8 @@ public:
     virtual sp<IMemoryHeap> getCblk() const = 0;
 
     /* open/close transactions. requires ACCESS_SURFACE_FLINGER permission */
-    virtual void setTransactionState(const Vector<ComposerState>& state) = 0;
+    virtual void setTransactionState(const Vector<ComposerState>& state,
-
+            int orientation) = 0;
-    /* [un]freeze display. requires ACCESS_SURFACE_FLINGER permission */
-    virtual status_t freezeDisplay(DisplayID dpy, uint32_t flags) = 0;
-    virtual status_t unfreezeDisplay(DisplayID dpy, uint32_t flags) = 0;
-
-    /* Set display orientation. requires ACCESS_SURFACE_FLINGER permission
-     * No flags are currently defined.  Set flags to 0. */
-    virtual int setOrientation(DisplayID dpy, int orientation, uint32_t flags) = 0;
 
     /* signal that we're done booting.
      * Requires ACCESS_SURFACE_FLINGER permission

include/surfaceflinger/SurfaceComposerClient.h

@@ -195,4 +195,3 @@ public:
 }; // namespace android
 
 #endif // ANDROID_SF_SURFACE_COMPOSER_CLIENT_H
-

libs/gui/ISurfaceComposer.cpp

@@ -78,7 +78,8 @@ public:
         return interface_cast<IMemoryHeap>(reply.readStrongBinder());
     }
 
-    virtual void setTransactionState(const Vector<ComposerState>& state)
+    virtual void setTransactionState(const Vector<ComposerState>& state,
+            int orientation)
     {
         Parcel data, reply;
         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
@@ -88,38 +89,8 @@ public:
         for ( ; b != e ; ++b ) {
             b->write(data);
         }
-        remote()->transact(BnSurfaceComposer::SET_TRANSACTION_STATE, data, &reply);
-    }
-
-    virtual status_t freezeDisplay(DisplayID dpy, uint32_t flags)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeInt32(dpy);
-        data.writeInt32(flags);
-        remote()->transact(BnSurfaceComposer::FREEZE_DISPLAY, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual status_t unfreezeDisplay(DisplayID dpy, uint32_t flags)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeInt32(dpy);
-        data.writeInt32(flags);
-        remote()->transact(BnSurfaceComposer::UNFREEZE_DISPLAY, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual int setOrientation(DisplayID dpy, int orientation, uint32_t flags)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeInt32(dpy);
         data.writeInt32(orientation);
-        data.writeInt32(flags);
+        remote()->transact(BnSurfaceComposer::SET_TRANSACTION_STATE, data, &reply);
-        remote()->transact(BnSurfaceComposer::SET_ORIENTATION, data, &reply);
-        return reply.readInt32();
     }
 
     virtual void bootFinished()
@@ -232,26 +203,8 @@ status_t BnSurfaceComposer::onTransact(
                 s.read(data);
                 state.add(s);
             }
-            setTransactionState(state);
-        } break;
-        case SET_ORIENTATION: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            DisplayID dpy = data.readInt32();
             int orientation = data.readInt32();
-            uint32_t flags = data.readInt32();
+            setTransactionState(state, orientation);
-            reply->writeInt32( setOrientation(dpy, orientation, flags) );
-        } break;
-        case FREEZE_DISPLAY: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            DisplayID dpy = data.readInt32();
-            uint32_t flags = data.readInt32();
-            reply->writeInt32( freezeDisplay(dpy, flags) );
-        } break;
-        case UNFREEZE_DISPLAY: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            DisplayID dpy = data.readInt32();
-            uint32_t flags = data.readInt32();
-            reply->writeInt32( unfreezeDisplay(dpy, flags) );
         } break;
         case BOOT_FINISHED: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);

libs/gui/SurfaceComposerClient.cpp

@@ -91,8 +91,10 @@ class Composer : public Singleton<Composer>
 
     mutable Mutex               mLock;
     SortedVector<ComposerState> mStates;
+    int                         mOrientation;
 
-    Composer() : Singleton<Composer>() { }
+    Composer() : Singleton<Composer>(),
+        mOrientation(ISurfaceComposer::eOrientationUnchanged) { }
 
     void closeGlobalTransactionImpl();
 
@@ -119,6 +121,7 @@ public:
     status_t setFreezeTint(
             const sp<SurfaceComposerClient>& client, SurfaceID id,
             uint32_t tint);
+    status_t setOrientation(int orientation);
 
     static void closeGlobalTransaction() {
         Composer::getInstance().closeGlobalTransactionImpl();
@@ -133,14 +136,18 @@ void Composer::closeGlobalTransactionImpl() {
     sp<ISurfaceComposer> sm(getComposerService());
 
     Vector<ComposerState> transaction;
+    int orientation;
 
     { // scope for the lock
         Mutex::Autolock _l(mLock);
         transaction = mStates;
         mStates.clear();
+
+        orientation = mOrientation;
+        mOrientation = ISurfaceComposer::eOrientationUnchanged;
     }
 
-   sm->setTransactionState(transaction);
+   sm->setTransactionState(transaction, orientation);
 }
 
 layer_state_t* Composer::getLayerStateLocked(
@@ -260,6 +267,12 @@ status_t Composer::setFreezeTint(const sp<SurfaceComposerClient>& client,
     return NO_ERROR;
 }
 
+status_t Composer::setOrientation(int orientation) {
+    Mutex::Autolock _l(mLock);
+    mOrientation = orientation;
+    return NO_ERROR;
+}
+
 // ---------------------------------------------------------------------------
 
 SurfaceComposerClient::SurfaceComposerClient()
@@ -427,6 +440,12 @@ status_t SurfaceComposerClient::setMatrix(SurfaceID id, float dsdx, float dtdx,
     return getComposer().setMatrix(this, id, dsdx, dtdx, dsdy, dtdy);
 }
 
+status_t SurfaceComposerClient::setOrientation(DisplayID dpy,
+        int orientation, uint32_t flags)
+{
+    return Composer::getInstance().setOrientation(orientation);
+}
+
 // ----------------------------------------------------------------------------
 
 status_t SurfaceComposerClient::getDisplayInfo(
@@ -491,21 +510,14 @@ ssize_t SurfaceComposerClient::getNumberOfDisplays()
 
 status_t SurfaceComposerClient::freezeDisplay(DisplayID dpy, uint32_t flags)
 {
-    sp<ISurfaceComposer> sm(getComposerService());
+    // This has been made a no-op because it can cause Gralloc buffer deadlocks.
-    return sm->freezeDisplay(dpy, flags);
+    return NO_ERROR;
 }
 
 status_t SurfaceComposerClient::unfreezeDisplay(DisplayID dpy, uint32_t flags)
 {
-    sp<ISurfaceComposer> sm(getComposerService());
+    // This has been made a no-op because it can cause Gralloc buffer deadlocks.
-    return sm->unfreezeDisplay(dpy, flags);
+    return NO_ERROR;
-}
-
-int SurfaceComposerClient::setOrientation(DisplayID dpy,
-        int orientation, uint32_t flags)
-{
-    sp<ISurfaceComposer> sm(getComposerService());
-    return sm->setOrientation(dpy, orientation, flags);
 }
 
 // ----------------------------------------------------------------------------
@@ -572,4 +584,3 @@ size_t ScreenshotClient::getSize() const {
 
 // ----------------------------------------------------------------------------
 }; // namespace android
-

services/surfaceflinger/SurfaceFlinger.cpp

@@ -1234,10 +1234,22 @@ uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags)
 }
 
 
-void SurfaceFlinger::setTransactionState(const Vector<ComposerState>& state) {
+void SurfaceFlinger::setTransactionState(const Vector<ComposerState>& state,
+        int orientation) {
     Mutex::Autolock _l(mStateLock);
 
     uint32_t flags = 0;
+    if (mCurrentState.orientation != orientation) {
+        if (uint32_t(orientation)<=eOrientation270 || orientation==42) {
+            mCurrentState.orientation = orientation;
+            flags |= eTransactionNeeded;
+            mResizeTransationPending = true;
+        } else if (orientation != eOrientationUnchanged) {
+            LOGW("setTransactionState: ignoring unrecognized orientation: %d",
+                    orientation);
+        }
+    }
+
     const size_t count = state.size();
     for (size_t i=0 ; i<count ; i++) {
         const ComposerState& s(state[i]);

services/surfaceflinger/SurfaceFlinger.h

@@ -167,7 +167,8 @@ public:
     virtual sp<IGraphicBufferAlloc>     createGraphicBufferAlloc();
     virtual sp<IMemoryHeap>             getCblk() const;
     virtual void                        bootFinished();
-    virtual void                        setTransactionState(const Vector<ComposerState>& state);
+    virtual void                        setTransactionState(const Vector<ComposerState>& state,
+                                                            int orientation);
     virtual status_t                    freezeDisplay(DisplayID dpy, uint32_t flags);
     virtual status_t                    unfreezeDisplay(DisplayID dpy, uint32_t flags);
     virtual int                         setOrientation(DisplayID dpy, int orientation, uint32_t flags);