Add o3djs.DestinationBuffer to converter.

I named it o3djs.DestinationBuffer because it has nothing to do 
with O3D. It's purely part of our sample serialization example.

Review URL: http://codereview.chromium.org/149236

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@20013 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 33 insertions, 8 deletions

diff --git a/o3d/core/cross/object_base.cc b/o3d/core/cross/object_base.cc
index 36cc43f..7a91f41 100644
--- a/o3d/core/cross/object_base.cc
+++ b/o3d/core/cross/object_base.cc
@@ -44,6 +44,16 @@ ObjectBase::Class ObjectBase::class_ = {
   O3D_STRING_CONSTANT("ObjectBase"), NULL
 };
 
+const char* ObjectBase::Class::unqualified_name() const {
+  if (strncmp(
+      name_,
+      O3D_NAMESPACE O3D_NAMESPACE_SEPARATOR,
+      sizeof(O3D_NAMESPACE) + sizeof(O3D_NAMESPACE_SEPARATOR) - 2) == 0) {
+    return name_ + sizeof(O3D_NAMESPACE) + sizeof(O3D_NAMESPACE_SEPARATOR) - 2;
+  }
+  return name_;
+}
+
 ObjectBase::ObjectBase(ServiceLocator *service_locator)
     : id_(IdManager::CreateId()),
       service_locator_(service_locator) {
diff --git a/o3d/core/cross/object_base.h b/o3d/core/cross/object_base.h
index 0fa9edf..9a174c0 100644
--- a/o3d/core/cross/object_base.h
+++ b/o3d/core/cross/object_base.h
@@ -50,11 +50,12 @@
 #define O3D_STRING_CONSTANT(value)              \
   (O3D_NAMESPACE O3D_NAMESPACE_SEPARATOR value)
 
+
 // This macro declares the necessary functions for the type mechanism to work.
 // It needs to be used in each of the definition of any class that derives from
 // ObjectBase.
 // CLASS is the class being defined, BASE is its base class.
-#define O3D_DECL_CLASS(CLASS, BASE)                                      \
+#define O3D_OBJECT_BASE_DECL_CLASS(CLASS, BASE)                          \
  public:                                                                 \
   static const ObjectBase::Class *GetApparentClass() { return &class_; } \
   static const String GetApparentClassName() {                           \
@@ -72,10 +73,24 @@
 // This macro defines the class descriptor for the type mechanism. It needs to
 // be used once in the definition file of any class that derives from
 // ObjectBase.
+// CLASSNAME is the name to use to identify the class.
+// CLASS is the class being defined.
+// BASE is its base class.
+#define O3D_OBJECT_BASE_DEFN_CLASS(CLASSNAME, CLASS, BASE) \
+  ObjectBase::Class CLASS::class_ = { CLASSNAME, BASE::GetApparentClass() };
+
+// This macro declares the necessary functions for the type mechanism to work.
+// It needs to be used in each of the definition of any class that derives from
+// ObjectBase.
 // CLASS is the class being defined, BASE is its base class.
-#define O3D_DEFN_CLASS(CLASS, BASE)                           \
-  ObjectBase::Class CLASS::class_ =                           \
-  { O3D_STRING_CONSTANT(#CLASS), BASE::GetApparentClass() };
+#define O3D_DECL_CLASS(CLASS, BASE) O3D_OBJECT_BASE_DECL_CLASS(CLASS, BASE)
+
+// This macro defines the class descriptor for the type mechanism. It needs to
+// be used once in the definition file of any class that derives from
+// ObjectBase.
+// CLASS is the class being defined, BASE is its base class.
+#define O3D_DEFN_CLASS(CLASS, BASE) \
+  O3D_OBJECT_BASE_DEFN_CLASS(O3D_STRING_CONSTANT(#CLASS), CLASS, BASE)
 
 namespace o3d {
 
@@ -142,10 +157,7 @@ class ObjectBase : public RefCounted {
       return name_;
     }
 
-    const char* unqualified_name() const {
-      return name_ + sizeof(O3D_NAMESPACE) +
-          sizeof(O3D_NAMESPACE_SEPARATOR) - 2;
-    }
+    const char* unqualified_name() const;
 
    public:
     // The name of the class.
diff --git a/o3d/core/cross/stream_bank.cc b/o3d/core/cross/stream_bank.cc
index 54c5f2d..65f6b73 100644
--- a/o3d/core/cross/stream_bank.cc
+++ b/o3d/core/cross/stream_bank.cc
@@ -89,6 +89,9 @@ bool StreamBank::SetVertexStream(Stream::Semantic stream_semantic,
     O3D_ERROR(service_locator()) << "No buffer on field";
     return false;
   }
+
+  // Check that this buffer is renderable. StreamBanks are used to submit
+  // data to GPU so we can only allow GPU accessible buffers through here.
   if (!buffer->IsA(VertexBuffer::GetApparentClass())) {
     O3D_ERROR(service_locator()) << "Buffer is not a VertexBuffer";
     return false;