From Wang Rui, new native binary/ascii format infrastructure and wrappers.

From Robert Osfield, refactor of Wang Rui's original osg2 into 3 parts - parts placed into osgDB, the ReaderWriter placed into src/osg/Plugin/osg and wrappers into src/osgWrappers/serializers/osg

src/osgWrappers/serializers/osg/Texture2DArray.cpp

@@ -0,0 +1,44 @@
+#include <osg/Texture2DArray>
+#include <osgDB/ObjectWrapper>
+#include <osgDB/InputStream>
+#include <osgDB/OutputStream>
+
+static bool checkImages( const osg::Texture2DArray& tex )
+{
+    return tex.getNumImages()>0;
+}
+
+static bool readImages( osgDB::InputStream& is, osg::Texture2DArray& tex )
+{
+    unsigned int size = 0; is >> size >> osgDB::BEGIN_BRACKET;
+    for ( unsigned int i=0; i<size; ++i )
+    {
+        osg::Image* image = is.readImage();
+        if ( image ) tex.setImage( i, image );
+    }
+    is >> osgDB::END_BRACKET;
+    return true;
+}
+
+static bool writeImages( osgDB::OutputStream& os, const osg::Texture2DArray& tex )
+{
+    unsigned int size = tex.getNumImages();
+    os << size << osgDB::BEGIN_BRACKET << std::endl;
+    for ( unsigned int i=0; i<size; ++i )
+    {
+        os << tex.getImage(i);
+    }
+    os << osgDB::END_BRACKET << std::endl;
+    return true;
+}
+
+REGISTER_OBJECT_WRAPPER( Texture2DArray,
+                         new osg::Texture2DArray,
+                         osg::Texture2DArray,
+                         "osg::Object osg::StateAttribute osg::Texture osg::Texture2DArray" )
+{
+    ADD_USER_SERIALIZER( Images );  // _images
+    ADD_INT_SERIALIZER( TextureWidth, 0 );  // _textureWidth
+    ADD_INT_SERIALIZER( TextureHeight, 0 );  // _textureHeight
+    ADD_INT_SERIALIZER( TextureDepth, 0 );  // _textureDepth
+}