X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbufferable.h;h=f47ef4cabf17c1664838195778910886fcda778b;hb=180b20bee11425a776c5ead05afcf6a63945d3b2;hp=f157c6281d2197d17b56bd78a7d61cd1754ee186;hpb=6c525eff3eaaa617648a869449ed3bddf9c1936d;p=libs%2Fgl.git

diff --git a/source/bufferable.h b/source/bufferable.h
index f157c628..f47ef4ca 100644
--- a/source/bufferable.h
+++ b/source/bufferable.h
@@ -37,7 +37,6 @@ private:
 protected:
 	mutable bool dirty;
 
-protected:
 	Bufferable();
 public:
 	virtual ~Bufferable();
@@ -47,16 +46,20 @@ public:
 	void use_buffer(Buffer *buf, Bufferable *prev = 0);
 
 	/** Uploads new data into the buffer if necessary. */
-	void refresh() const { if(dirty) update_buffer(); }
+	void refresh() const { if(buffer && dirty) update_buffer(); }
 
 	AsyncUpdater *refresh_async() const;
 
 private:
 	void unlink_from_buffer();
 
+public:
+	/** Returns the buffer in which the data is stored. */
+	const Buffer *get_buffer() const { return buffer; }
+
 protected:
 	/** Returns the buffer in which the data is stored. */
-	Buffer *get_buffer() const { return buffer; }
+	Buffer *get_mutable_buffer() const { return buffer; }
 
 	/** Returns the amount of data to be stored in the buffer, in bytes. */
 	virtual unsigned get_data_size() const = 0;