X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Frenderable.h;h=78879a3d8030fb15fcd41136c16ec7c831541972;hb=18878df418035445ba5146fcde3d647d7aa8c054;hp=b83fdb0dfc59747400d63434372299188015cec1;hpb=61f90f1680884b02e783d2d419f9326e5d6f397b;p=libs%2Fgl.git

diff --git a/source/renderable.h b/source/renderable.h
index b83fdb0d..78879a3d 100644
--- a/source/renderable.h
+++ b/source/renderable.h
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GL_RENDERABLE_H_
 #define MSP_GL_RENDERABLE_H_
 
@@ -14,6 +7,12 @@ Distributed under the LGPL
 namespace Msp {
 namespace GL {
 
+class Renderer;
+
+/**
+Base class for renderable objects.  All Renderables must support rendering with
+a Renderer, and may optionally provide support for standalone rendering.
+*/
 class Renderable
 {
 protected:
@@ -21,8 +20,11 @@ protected:
 public:
 	virtual ~Renderable() { }
 
-	virtual bool has_pass(const Tag &tag) const =0;
-	virtual void render(const Tag &tag=Tag()) const =0;
+	/** Returns a key used for grouping Renderables in an InstanceScene. */
+	virtual long get_instance_key() const { return 0; }
+
+	virtual void render(const Tag & = Tag()) const;
+	virtual void render(Renderer &, const Tag & = Tag()) const = 0;
 };
 
 } // namespace Msp