commit 59751dbf7d8f12aeb5c4c07719b7dbbf1f9b5d4b
author Mathias Agopian <mathias@google.com> Fri May 07 15:58:44 2010 -0700
committer Mathias Agopian <mathias@google.com> Wed May 12 17:28:20 2010 -0700
tree a1f1d7119a8109d06cfc2f24b26284ff7627de7a
parent 9f2c4fd9a14ea79e4cbbd3ab8925794711a6411c

SharedBufferStack now can grow up to 16 buffers.

there is a new resize() api, which currently only allows growing.

Change-Id: Ia37b81b73be466d2491ffed7f3a23cd8e113c6fe

libs/surfaceflinger_client/ISurface.cpp

diff --git a/libs/surfaceflinger_client/ISurface.cpp b/libs/surfaceflinger_client/ISurface.cpp
index bb86199..c5d0c0e 100644
--- a/libs/surfaceflinger_client/ISurface.cpp
+++ b/libs/surfaceflinger_client/ISurface.cpp
@@ -83,6 +83,16 @@
         return buffer;
     }
 
+    virtual status_t setBufferCount(int bufferCount)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurface::getInterfaceDescriptor());
+        data.writeInt32(bufferCount);
+        remote()->transact(SET_BUFFER_COUNT, data, &reply);
+        status_t err = reply.readInt32();
+        return err;
+    }
+
     virtual status_t registerBuffers(const BufferHeap& buffers)
     {
         Parcel data, reply;
@@ -146,6 +156,13 @@
                 return BAD_VALUE;
             return reply->write(*buffer);
         }
+        case SET_BUFFER_COUNT: {
+            CHECK_INTERFACE(ISurface, data, reply);
+            int bufferCount = data.readInt32();
+            status_t err = setBufferCount(bufferCount);
+            reply->writeInt32(err);
+            return NO_ERROR;
+        }
         case REGISTER_BUFFERS: {
             CHECK_INTERFACE(ISurface, data, reply);
             BufferHeap buffer;