commit e57f292595bec48f65c8088b00ff6beea01217e9
author Mathias Agopian <mathias@google.com> Thu Aug 09 16:29:12 2012 -0700
committer Mathias Agopian <mathias@google.com> Fri Aug 10 17:32:33 2012 -0700
tree 2db8aac9c9056e099ad70d7ce70eb0ac7a8223ae
parent ef7b9c7eac036cc1230c64821039d18f8cbd2c1c

make multi-display more real

- displays are represented by a binder on the client side
- c++ clients can now create and modify displays

Change-Id: I203ea5b4beae0819d742ec5171c27568f4e8354b

libs/gui/ISurfaceComposer.cpp

diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 5d8f1a1..76b23f3 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -179,6 +179,23 @@
         return result;
     }
 
+    virtual sp<IBinder> createDisplay()
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        remote()->transact(BnSurfaceComposer::CREATE_DISPLAY, data, &reply);
+        return reply.readStrongBinder();
+    }
+
+    virtual sp<IBinder> getBuiltInDisplay(int32_t id)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        data.writeInt32(id);
+        remote()->transact(BnSurfaceComposer::GET_BUILT_IN_DISPLAY, data, &reply);
+        return reply.readStrongBinder();
+    }
+
     virtual void blank()
     {
         Parcel data, reply;
@@ -286,6 +303,19 @@
             reply->writeStrongBinder(connection->asBinder());
             return NO_ERROR;
         } break;
+        case CREATE_DISPLAY: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            sp<IBinder> display(createDisplay());
+            reply->writeStrongBinder(display);
+            return NO_ERROR;
+        } break;
+        case GET_BUILT_IN_DISPLAY: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            int32_t id = data.readInt32();
+            sp<IBinder> display(getBuiltInDisplay(id));
+            reply->writeStrongBinder(display);
+            return NO_ERROR;
+        } break;
         case BLANK: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
             blank();