X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fbufferable.h;fp=source%2Fbufferable.h;h=dd7cff8e9b0a1c37b8e43416ec89ad607ccfeb45;hp=0000000000000000000000000000000000000000;hb=bd3e61a3d71a527b7b87197c2f52c5cf342aba81;hpb=ac11296dca7c7a594ff1b20bead87e1e161b4bef

diff --git a/source/bufferable.h b/source/bufferable.h
new file mode 100644
index 00000000..dd7cff8e
--- /dev/null
+++ b/source/bufferable.h
@@ -0,0 +1,37 @@
+#ifndef MSP_GL_BUFFERABLE_H_
+#define MSP_GL_BUFFERABLE_H_
+
+namespace Msp {
+namespace GL {
+
+class Buffer;
+
+class Bufferable
+{
+protected:
+	Buffer *buffer;
+	unsigned buffer_offset;
+	Bufferable *next_in_buffer;
+	Bufferable *prev_in_buffer;
+	mutable bool dirty;
+
+	Bufferable();
+public:
+	virtual ~Bufferable();
+
+	void use_buffer(Buffer *, Bufferable * = 0);
+private:
+	void unlink_from_buffer();
+
+protected:
+	virtual unsigned get_data_size() const = 0;
+	virtual const void *get_data() const = 0;
+
+	void update_buffer_offsets();
+	void update_buffer_data() const;
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif