create StreamBuffer class for ogl upload

Source/Plugins/Plugin_VideoOGL/Src/StreamBuffer.h

@@ -0,0 +1,57 @@
+// Copyright (C) 2003 Dolphin Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+
+#ifndef STREAMBUFFER_H
+#define STREAMBUFFER_H
+
+#include "VideoCommon.h"
+#include "FramebufferManager.h"
+
+namespace OGL
+{
+enum StreamType {
+	MAP_AND_ORPHAN
+};
+
+class StreamBuffer {
+
+public:
+	StreamBuffer(u32 type, size_t size);
+	~StreamBuffer();
+	
+	size_t Upload(u8 *data, size_t size);
+	
+	u32 getBuffer() { return m_buffer; }
+	
+	void Align(u32 stride);
+	
+private:
+	void Init();
+	void Shutdown();
+	
+	StreamType m_uploadtype;
+	u32 m_buffer;
+	u32 m_buffertype;
+	size_t m_size;
+	u8 *pointer;
+	size_t m_iterator;
+};
+
+}
+
+#endif // STREAMBUFFER_H