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+//
+// 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 _ShaderRegistry_H_
+#define _ShaderRegistry_H_
+
+#include "../api.h"
+
+#include <boost/shared_ptr.hpp>
+
+#include <map>
+
+namespace avg {
+
+class ShaderRegistry;
+typedef boost::shared_ptr<ShaderRegistry> ShaderRegistryPtr;
+class OGLShader;
+typedef boost::shared_ptr<OGLShader> OGLShaderPtr;
+
+class AVG_API ShaderRegistry {
+public:
+ static ShaderRegistryPtr get();
+ ShaderRegistry();
+ virtual ~ShaderRegistry();
+
+ void setShaderPath(const std::string& sLibPath);
+ void setPreprocessorDefine(const std::string& sName, const std::string& sValue);
+
+ void createShader(const std::string& sID);
+ OGLShaderPtr getShader(const std::string& sID) const;
+
+ OGLShaderPtr getCurShader() const;
+ void setCurShader(const std::string& sID);
+
+private:
+ void loadShaderString(const std::string& sFilename, std::string& sPreprocessed);
+ void preprocess(const std::string& sShaderCode, const std::string& sFileName,
+ std::string& sProcessed);
+ std::string createPrefixString(bool bFragment);
+ void throwParseError(const std::string& sFileName, int curLine);
+ typedef std::map<std::string, OGLShaderPtr> ShaderMap;
+ ShaderMap m_ShaderMap;
+ OGLShaderPtr m_pCurShader;
+ std::map<std::string, std::string> m_PreprocessorDefinesMap;
+
+ static std::string s_sLibPath;
+};
+
+void createShader(const std::string& sID);
+OGLShaderPtr getShader(const std::string& sID);
+
+
+}
+
+#endif