commit 25f0bdaea6d1a34aae3faf6688cad4fbebcca969
author Mathias Agopian <mathias@google.com> Fri May 21 14:19:50 2010 -0700
committer Mathias Agopian <mathias@google.com> Fri May 21 14:34:32 2010 -0700
tree 8600372f2cb6f54254d2c7e0f7018c039e07c4b6
parent 4f5f2786b2c850ad0d772c7707ddbe55c3b7adf6

added native_window_set_buffer_count()

this method can be used to change the number of buffers
associated to a native window. the default is two.

Change-Id: I608b959e6b29d77f95edb23c31dc9b099a758f2f

libs/surfaceflinger_client/SharedBufferStack.cpp

diff --git a/libs/surfaceflinger_client/SharedBufferStack.cpp b/libs/surfaceflinger_client/SharedBufferStack.cpp
index 5deeabb..e2e1591 100644
--- a/libs/surfaceflinger_client/SharedBufferStack.cpp
+++ b/libs/surfaceflinger_client/SharedBufferStack.cpp
@@ -463,6 +463,9 @@
     if (uint32_t(bufferCount) >= SharedBufferStack::NUM_BUFFER_MAX)
         return BAD_VALUE;
 
+    if (uint32_t(bufferCount) < SharedBufferStack::NUM_BUFFER_MIN)
+        return BAD_VALUE;
+
     RWLock::AutoWLock _wr(mLock);
 
     status_t err = ipc(bufferCount);