1 files changed, 74 insertions, 0 deletions
diff --git a/src/graphics/PBO.h b/src/graphics/PBO.h
new file mode 100644
index 0000000..51896a4
--- /dev/null
+++ b/src/graphics/PBO.h
@@ -0,0 +1,74 @@
+//
+//  libavg - Media Playback Engine. 
+//  Copyright (C) 2003-2014 Ulrich von Zadow
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2 of the License, or (at your option) any later version.
+//
+//  This library 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
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  Current versions can be found at www.libavg.de
+//
+
+#ifndef _PBO_H_
+#define _PBO_H_
+
+#include "../api.h"
+#include "TextureMover.h"
+
+#include "Bitmap.h"
+#include "OGLHelper.h"
+#include "GLTexture.h"
+
+#include "../base/GLMHelper.h"
+
+#include <boost/shared_ptr.hpp>
+
+namespace avg {
+
+class AVG_API PBO: public TextureMover {
+public:
+    PBO(const IntPoint& size, PixelFormat pf, unsigned usage);
+    virtual ~PBO();
+
+    void activate();
+
+    void moveBmpToTexture(BitmapPtr pBmp, GLTexture& tex);
+    virtual BitmapPtr moveTextureToBmp(GLTexture& tex, int mipmapLevel=0);
+
+    BitmapPtr lock();
+    void unlock();
+    void moveToTexture(GLTexture& tex);
+    void moveTextureToPBO(GLTexture& tex, int mipmapLevel=0);
+    BitmapPtr movePBOToBmp() const;
+
+    bool isReadPBO() const;
+    int getID() const;
+
+private:
+    unsigned getMemNeeded() const;
+    unsigned getStride() const;
+    unsigned getTarget() const;
+
+    unsigned m_Usage;
+    unsigned m_PBOID;
+    IntPoint m_ActiveSize;
+    int m_BufferStride;
+};
+
+typedef boost::shared_ptr<PBO> PBOPtr;
+
+}
+
+#endif
+ 
+