X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Frenderer.h;h=1f198dae7007b00db30d4c699f0832ce06d0cca1;hp=dd9464127d025ee0ae4ba9612084f91617f8ad67;hb=5df9e64424dd157da1410b4498f53a4ac21e6aee;hpb=d41ec7dfaa635bbaea9e902d5f5c60bd4a887891

diff --git a/source/renderer.h b/source/renderer.h
index dd946412..1f198dae 100644
--- a/source/renderer.h
+++ b/source/renderer.h
@@ -114,6 +114,11 @@ public:
 	Renderer(const Camera *);
 	~Renderer();
 
+	/** Resets all internal state and restarts rendering.  There must be no
+	unpopped state in the stack.  It is permissible to call begin() multiple
+	times without an intervening end(). */
+	void begin(const Camera *);
+
 	MatrixStack &matrix_stack() { return mtx_stack; }
 
 	const Camera *get_camera() const { return camera; }
@@ -151,8 +156,9 @@ public:
 	Renderer.  DEPRECATED. */
 	void escape();
 
-	/** Ends rendering, unbinding all objects and resetting state.  There must
-	be no unpopped state in the stack. */
+	/** Unbinds all objects and resets related state.  There must be no unpopped
+	state in the stack.  Rendering with the same camera can be restarted without
+	an explicit begin() call. */
 	void end();
 
 	void exclude(const Renderable &);
@@ -163,6 +169,7 @@ public:
 
 private:
 	void apply_state();
+	void reset_state();
 };
 
 } // namespace GL