X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fobjectinstance.h;h=6094517b6d5c062ca220b14e686e5dade8802335;hb=ee31badbd85f64eaca16c3a2e9db217465992a69;hp=5911dae57fb6f173210ea18936a8e353c11c9f54;hpb=f14435e58bfa0fa697a06ba9a454bb30cd37d9d8;p=libs%2Fgl.git

diff --git a/source/objectinstance.h b/source/objectinstance.h
index 5911dae5..6094517b 100644
--- a/source/objectinstance.h
+++ b/source/objectinstance.h
@@ -11,9 +11,12 @@ class Object;
 class ProgramData;
 
 /**
-Represents a single instance of an Object.  An application can derive another
-class from this and overload the hook functions to specify location and other
-instance-specific parameters for the rendered objects.
+Represents a single instance of an Object.  A derived class can overload the
+hook functions to specify a model matrix and other instance-specific parameters
+for the rendered objects.
+
+ObjectInstances can benefit from being put in an InstanceScene, which will
+render all instances of the same object consecutively.
 */
 class ObjectInstance: public Renderable
 {
@@ -38,7 +41,7 @@ public:
 	anything. */
 	virtual void finish_render(Renderer &, const Tag &) const { }
 
-	virtual unsigned get_level_of_detail() const { return 0; }
+	virtual unsigned get_level_of_detail(const Renderer &) const { return 0; }
 };
 
 } // namespace GL