mirror of https://github.com/axmolengine/axmol.git
162 lines
4.8 KiB
C++
162 lines
4.8 KiB
C++
/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2010 Ricardo Quesada
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __CCCONFIGURATION_H__
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#define __CCCONFIGURATION_H__
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#include "cocoa/CCObject.h"
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#include "CCGL.h"
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#include "cocoa/CCString.h"
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#include <string>
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NS_CC_BEGIN
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typedef enum _ccConfigurationType {
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ConfigurationError,
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ConfigurationString,
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ConfigurationInt,
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ConfigurationDouble,
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ConfigurationBoolean
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} ccConfigurationType;
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/**
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* @addtogroup global
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* @{
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*/
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/**
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@brief Configuration contains some openGL variables
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@since v0.99.0
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*/
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class CC_DLL Configuration : public Object
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{
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public:
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/** returns a shared instance of Configuration */
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static Configuration *sharedConfiguration(void);
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/** purge the shared instance of Configuration */
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static void purgeConfiguration(void);
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public:
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virtual ~Configuration(void);
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/** OpenGL Max texture size. */
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int getMaxTextureSize(void) const;
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/** OpenGL Max Modelview Stack Depth. */
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int getMaxModelviewStackDepth(void) const;
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/** returns the maximum texture units
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@since v2.0.0
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*/
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int getMaxTextureUnits(void) const;
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/** Whether or not the GPU supports NPOT (Non Power Of Two) textures.
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OpenGL ES 2.0 already supports NPOT (iOS).
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@since v0.99.2
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*/
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bool supportsNPOT(void) const;
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/** Whether or not PVR Texture Compressed is supported */
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bool supportsPVRTC(void) const;
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/** Whether or not BGRA8888 textures are supported.
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@since v0.99.2
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*/
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bool supportsBGRA8888(void) const;
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/** Whether or not glDiscardFramebufferEXT is supported
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@since v0.99.2
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*/
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bool supportsDiscardFramebuffer(void) const;
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/** Whether or not shareable VAOs are supported.
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@since v2.0.0
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*/
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bool supportsShareableVAO(void) const;
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/** returns whether or not an OpenGL is supported */
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bool checkForGLExtension(const std::string &searchName) const;
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bool init(void);
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/** returns the value of a given key as a string.
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If the key is not found, it will return the default value */
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const char* getCString( const char *key, const char *default_value=NULL ) const;
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/** returns the value of a given key as a boolean.
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If the key is not found, it will return the default value */
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bool getBool( const char *key, bool default_value=false ) const;
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/** returns the value of a given key as a double.
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If the key is not found, it will return the default value */
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double getNumber( const char *key, double default_value=0.0 ) const;
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/** returns the value of a given key as a double */
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Object * getObject( const char *key ) const;
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/** sets a new key/value pair in the configuration dictionary */
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void setObject( const char *key, Object *value );
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/** dumps the current configuration on the console */
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void dumpInfo(void) const;
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/** gathers OpenGL / GPU information */
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void gatherGPUInfo( void );
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/** Loads a config file. If the keys are already present, then they are going to be replaced. Otherwise the new keys are added. */
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void loadConfigFile( const char *filename );
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private:
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Configuration(void);
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static Configuration *s_gSharedConfiguration;
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static std::string s_sConfigfile;
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protected:
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GLint _maxTextureSize;
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GLint _maxModelviewStackDepth;
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bool _supportsPVRTC;
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bool _supportsNPOT;
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bool _supportsBGRA8888;
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bool _supportsDiscardFramebuffer;
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bool _supportsShareableVAO;
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GLint _maxSamplesAllowed;
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GLint _maxTextureUnits;
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char * _glExtensions;
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Dictionary *_valueDict;
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};
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// end of global group
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/// @}
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NS_CC_END
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#endif // __CCCONFIGURATION_H__
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