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by Michael Koch
Import upstream version 0.5.6 |
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//
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// C++ Interface: ShaderManager
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//
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// Description:
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//
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//
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// Author: Alexey Torkhov <atorkhov@gmail.com>, (C) 2009
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.//
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//
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#ifndef EMBEROGRE_SHADERMANAGER_H
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#define EMBEROGRE_SHADERMANAGER_H
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#include "framework/ConsoleObject.h" |
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#include "services/config/ConfigListener.h" |
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#include <string> |
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#include <map> |
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#include <sigc++/signal.h> |
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namespace EmberOgre { |
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/**
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* @brief Utility class for setup shaders
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*
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* Utility class for setup shaders. It checks a set of materials and selects
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* best sheme they work at. Then it performs setup of auxilary things like
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* shadows.
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*
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* @author Alexey Torkhov <atorkhov@gmail.com>
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*/
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class ShaderManager : public Ember::ConsoleObject, public Ember::ConfigListenerContainer |
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{
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public: |
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/**
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* Enumeration of graphics levels
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*/
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enum GraphicsLevel { |
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// Default scheme is when no scheme specified, very simple textured models
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LEVEL_DEFAULT, |
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// Low level, shader model 2
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LEVEL_LOW, |
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// Medium level, shader model 3
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LEVEL_MEDIUM, |
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// High level, shader model 4
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LEVEL_HIGH, |
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// Experimental level
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LEVEL_EXPERIMENTAL, |
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};
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/**
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* Constructor.
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*/
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ShaderManager(); |
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/**
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* Destructor.
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*/
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~ShaderManager(); |
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/**
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* Shaders initialization
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*/
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void init(); |
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/**
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* Gets current graphics level
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*/
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GraphicsLevel getGraphicsLevel(); |
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/**
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* Sets current graphics level
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*/
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GraphicsLevel setGraphicsLevel(GraphicsLevel newLevel); |
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/**
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* Reimplements the ConsoleObject::runCommand method
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*/
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virtual void runCommand(const std::string &command, const std::string &args); |
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/**
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* Sets graphics level at runtime
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*/
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const Ember::ConsoleCommandWrapper SetLevel; |
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/**
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* Returns level id by its name
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*/
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GraphicsLevel getLevelByName(const std::string &level); |
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/**
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* @brief Emitted when the graphical level is changed.
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*/
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sigc::signal<void> EventLevelChanged; |
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private: |
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/**
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* Current graphics level
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*/
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GraphicsLevel mGraphicsLevel; |
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/**
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* Best graphics level supported, determined at initialization time
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*/
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GraphicsLevel mBestGraphicsLevel; |
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/**
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* Map of levels and schemes. Also used to convert levels to strings
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*/
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std::map<GraphicsLevel, std::string> mGraphicSchemes; |
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/**
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* Checks whether material is supported in current scheme
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*/
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bool checkMaterial(const std::string& materialName, const std::string& schemeName); |
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/**
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* Setups PSSM shadows
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*/
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void setPSSMShadows(); |
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/**
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* Disables shadows
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*/
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void setNoShadows(); |
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/**
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* @brief Called when the varconf setting for the graphics level changes. This will in turn call setGraphicsLevel.
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* @param section
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* @param key
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* @param variable
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*/
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void Config_Level(const std::string& section, const std::string& key, varconf::Variable& variable); |
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};
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}
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#endif
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