mirror of https://github.com/axmolengine/axmol.git
155 lines
4.2 KiB
C++
155 lines
4.2 KiB
C++
/****************************************************************************
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Copyright (c) 2010-2011 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 "CCObject.h"
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#include <string>
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#include "CCGL.h"
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namespace cocos2d {
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/** OS version definitions.
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*/
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enum {
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kCCiOSVersion_3_0 = 0x03000000,
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kCCiOSVersion_3_1 = 0x03010000,
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kCCiOSVersion_3_1_1 = 0x03010100,
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kCCiOSVersion_3_1_2 = 0x03010200,
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kCCiOSVersion_3_1_3 = 0x03010300,
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kCCiOSVersion_3_2 = 0x03020000,
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kCCiOSVersion_3_2_1 = 0x03020100,
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kCCiOSVersion_4_0 = 0x04000000,
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kCCiOSVersion_4_0_1 = 0x04000100,
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kCCiOSVersion_4_1 = 0x04010000,
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kCCiOSVersion_4_2 = 0x04020000,
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kCCiOSVersion_4_3 = 0x04030000,
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kCCiOSVersion_4_3_1 = 0x04030100,
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kCCiOSVersion_4_3_2 = 0x04030200,
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kCCiOSVersion_4_3_3 = 0x04030300,
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};
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typedef enum
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{
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GLES_VER_INVALID,
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GLES_VER_1_0,
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GLES_VER_1_1,
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GLES_VER_2_0,
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} CCGlesVersion;
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/**
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@brief CCConfiguration contains some openGL variables
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@since v0.99.0
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*/
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class CC_DLL CCConfiguration : public CCObject
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{
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protected:
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GLint m_nMaxTextureSize;
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GLint m_nMaxTextureUnits;
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bool m_bSupportsPVRTC;
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bool m_bSupportsNPOT;
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bool m_bSupportsBGRA8888;
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bool m_bSupportsDiscardFramebuffer;
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bool m_bInited;
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unsigned int m_uOSVersion;
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GLint m_nMaxSamplesAllowed;
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char * m_pGlExtensions;
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private:
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CCConfiguration(void);
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public:
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CCGlesVersion getGlesVersion();
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/** OpenGL Max texture size. */
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inline int getMaxTextureSize(void)
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{
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return m_nMaxTextureSize;
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}
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/** returns the maximum texture units */
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inline int getMaxTextureUnits(void)
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{
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return m_nMaxTextureUnits;
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}
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/** Whether or not the GPU supports NPOT (Non Power Of Two) textures.
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NPOT textures have the following limitations:
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- They can't have mipmaps
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- They only accept GL_CLAMP_TO_EDGE in GL_TEXTURE_WRAP_{S,T}
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@since v0.99.2
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*/
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inline bool isSupportsNPOT(void)
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{
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return m_bSupportsNPOT;
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}
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/** Whether or not PVR Texture Compressed is supported */
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inline bool isSupportsPVRTC(void)
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{
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return m_bSupportsPVRTC;
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}
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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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inline bool isSupportsBGRA8888(void)
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{
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return m_bSupportsBGRA8888;
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}
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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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inline bool isSupportsDiscardFramebuffer(void)
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{
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return m_bSupportsDiscardFramebuffer;
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}
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/** returns the OS version.
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- On iOS devices it returns the firmware version.
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- On Mac returns the OS version
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@since v0.99.5
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*/
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inline unsigned int getOSVersion() { return m_uOSVersion; }
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/** returns whether or not an OpenGL is supported */
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bool checkForGLExtension(const std::string &searchName);
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bool init(void);
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public:
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/** returns a shared instance of the CCConfiguration */
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static CCConfiguration *sharedConfiguration(void);
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};
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}//namespace cocos2d
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#endif // __CCCONFIGURATION_H__
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