1 files changed, 97 insertions, 0 deletions
diff --git a/src/graphics/FBO.h b/src/graphics/FBO.h
new file mode 100644
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--- /dev/null
+++ b/src/graphics/FBO.h
@@ -0,0 +1,97 @@
+//
+//  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 _FBO_H_
+#define _FBO_H_
+
+#include "../api.h"
+
+#include "GLTexture.h"
+#ifndef AVG_ENABLE_EGL
+    #include "PBO.h"
+#endif
+#include "VertexArray.h"
+
+#include "../base/GLMHelper.h"
+
+#include <boost/shared_ptr.hpp>
+
+#include <vector>
+
+namespace avg {
+
+class AVG_API FBO
+{
+public:
+    FBO(const IntPoint& size, PixelFormat pf, unsigned numTextures=1, 
+            unsigned multisampleSamples=1, bool bUsePackedDepthStencil=false,
+            bool bUseStencil=false, bool bMipmap=false);
+    virtual ~FBO();
+
+    void activate() const;
+    PixelFormat getPF() const;
+    unsigned getNumTextures() const;
+
+    void copyToDestTexture() const;
+    BitmapPtr getImage(int i=0) const;
+    void moveToPBO(int i=0) const;
+    BitmapPtr getImageFromPBO() const;
+    GLTexturePtr getTex(int i=0) const;
+    const IntPoint& getSize() const;
+    unsigned getID() const;
+
+    static bool isFBOSupported();
+    static bool isMultisampleFBOSupported();
+    static bool isPackedDepthStencilSupported();
+
+    void initCache();
+    static void deleteCache();
+    static void checkError(const std::string& sContext);
+
+private:
+    void init();
+    void throwMultisampleError();
+
+    IntPoint m_Size;
+    PixelFormat m_PF;
+    unsigned m_MultisampleSamples;
+    bool m_bUsePackedDepthStencil;
+    bool m_bUseStencil;
+    bool m_bMipmap;
+
+#ifndef AVG_ENABLE_EGL
+    PBOPtr m_pOutputPBO;
+#endif
+    unsigned m_FBO;
+    std::vector<GLTexturePtr> m_pTextures;
+    unsigned m_StencilBuffer;
+
+    // Multisample support
+    unsigned m_ColorBuffer;
+    unsigned m_OutputFBO;
+
+};
+
+typedef boost::shared_ptr<FBO> FBOPtr;
+
+}
+
+#endif