mirror of https://github.com/axmolengine/axmol.git
283 lines
7.8 KiB
C++
283 lines
7.8 KiB
C++
/****************************************************************************
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Copyright (c) 2010 Ricardo Quesada
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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Copyright (c) 2019-present Axmol Engine contributors (see AUTHORS.md).
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https://axmol.dev/
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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 <string>
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#include "base/Object.h"
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#include "base/Value.h"
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#include "3d/Animate3D.h"
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/**
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* @addtogroup base
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* @{
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*/
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NS_AX_BEGIN
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class EventCustom;
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/** @class Configuration
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* @brief Configuration contains some openGL variables
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* @since v0.99.0
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* @js NA
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*/
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class AX_DLL Configuration
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{
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public:
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/** Returns a shared instance of Configuration.
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*
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* @return An autoreleased Configuration object.
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*/
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static Configuration* getInstance();
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/** Purge the shared instance of Configuration.
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*/
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static void destroyInstance();
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public:
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/** Destructor
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* @js NA
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* @lua NA
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*/
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virtual ~Configuration();
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/** OpenGL Max texture size.
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*
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* @return The OpenGL Max texture size.
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*/
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int getMaxTextureSize() const;
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/** OpenGL Max Modelview Stack Depth.
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*
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* @return The OpenGL Max Modelview Stack Depth.
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*/
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int getMaxModelviewStackDepth() const;
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/** Returns the maximum texture units.
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*
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* @return The maximum texture units.
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* @since v2.0.0
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*/
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int getMaxTextureUnits() 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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*
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* @return Is true if supports NPOT.
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* @since v0.99.2
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*/
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bool supportsNPOT() const;
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/** Whether or not PVR Texture Compressed is supported.
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*
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* @return Is true if supports PVR Texture Compressed.
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*/
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bool supportsPVRTC() const;
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/** Whether or not ETC1 Texture Compressed is supported.
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*
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*
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* @return Is true if supports ETC1 Texture Compressed.
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*/
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bool supportsETC1() const;
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/** Whether or not ETC2 Texture Compressed is supported.
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*
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*
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* @return Is true if supports ETC2 Texture Compressed.
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*/
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bool supportsETC2() const;
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/** Whether or not S3TC Texture Compressed is supported.
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*
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* @return Is true if supports S3TC Texture Compressed.
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*/
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bool supportsS3TC() const;
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/** Whether or not ATITC Texture Compressed is supported.
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*
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* @return Is true if supports ATITC Texture Compressed.
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*/
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bool supportsATITC() const;
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/** Whether or not ASTC Texture Compressed is supported.
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*
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* @return Is true if supports ASTC Texture Compressed.
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*/
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bool supportsASTC() const;
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/** Whether or not BGRA8888 textures are supported.
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*
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* @return Is true if supports BGRA8888 textures.
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* @since v0.99.2
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*/
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bool supportsBGRA8888() const;
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/** Whether or not glDiscardFramebufferEXT is supported.
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* @return Is true if supports glDiscardFramebufferEXT.
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* @since v0.99.2
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*/
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bool supportsDiscardFramebuffer() const;
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/** Whether or not shareable VAOs are supported.
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*
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* @return Is true if supports shareable VAOs.
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* @since v2.0.0
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*/
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bool supportsShareableVAO() const;
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/** Whether or not OES_depth24 is supported.
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*
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* @return Is true if supports OES_depth24.
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* @since v2.0.0
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*/
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bool supportsOESDepth24() const;
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/** Whether or not OES_Packed_depth_stencil is supported.
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*
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* @return Is true if supports OES_Packed_depth_stencil.
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* @since v2.0.0
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*/
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bool supportsOESPackedDepthStencil() const;
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/** Whether or not glMapBuffer() is supported.
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*
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* On Desktop it returns `true`.
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* On Mobile it checks for the extension `GL_OES_mapbuffer`
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*
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* @return Whether or not `glMapBuffer()` is supported.
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* @since v3.13
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*/
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bool supportsMapBuffer() const;
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/** Max supported directional lights in a shader, for MeshRenderer.
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*
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* @return Maximum supported directional lights in a shader.
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* @since v3.3
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*/
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int getMaxSupportDirLightInShader() const;
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/** Max supported point lights in a shader, for MeshRenderer.
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*
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* @return Maximum supported point lights in a shader.
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* @since v3.3
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*/
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int getMaxSupportPointLightInShader() const;
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/** Max supported spot lights in a shader, for MeshRenderer.
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*
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* @return Maximum supported spot lights in a shader.
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* @since v3.3
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*/
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int getMaxSupportSpotLightInShader() const;
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/** get 3d animate quality */
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Animate3DQuality getAnimate3DQuality() const;
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/** Initialize method.
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*
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* @return Is true if initialize success.
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*/
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bool init();
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/** Returns the value of a given key as a double.
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*
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* @param key A given key.
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* @param defaultValue if not find the value, return the defaultValue.
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* @return
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*/
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const Value& getValue(std::string_view key, const Value& defaultValue = Value::Null) const;
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/** Sets a new key/value pair in the configuration dictionary.
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*
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* @param key A given key.
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* @param value A given value.
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*/
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void setValue(std::string_view key, const Value& value);
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/** Returns the Configuration info.
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*
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* @return The Configuration info.
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*/
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std::string getInfo() const;
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/** Gathers OpenGL / GPU information.
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*/
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void gatherGPUInfo();
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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
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* are added.
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*
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* @param filename Config file name.
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*/
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void loadConfigFile(std::string_view filename);
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static const char* CONFIG_FILE_LOADED;
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int getMaxAttributes() const;
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private:
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Configuration();
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static Configuration* s_sharedConfiguration;
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static std::string s_configfile;
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protected:
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int _maxModelviewStackDepth;
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bool _supportsPVRTC;
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bool _supportsETC1;
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bool _supportsETC2;
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bool _supportsS3TC;
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bool _supportsATITC;
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bool _supportsASTC;
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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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bool _supportsOESMapBuffer;
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bool _supportsOESDepth24;
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bool _supportsOESPackedDepthStencil;
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std::string _glExtensions;
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int _maxDirLightInShader; // max support directional light in shader
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int _maxPointLightInShader; // max support point light in shader
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int _maxSpotLightInShader; // max support spot light in shader
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Animate3DQuality _animate3DQuality; // animate 3d quality
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ValueMap _valueDict;
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EventCustom* _loadedEvent;
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};
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NS_AX_END
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// end of base group
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/// @}
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#endif // __CCCONFIGURATION_H__
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