mirror of
https://github.com/nigels-com/glew.git
synced 2024-11-22 13:55:07 +00:00
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/* ------------------------------------------------------------------------ */
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const GLubyte * GLEWAPIENTRY glewGetErrorString (GLenum error)
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{
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static const GLubyte* _glewErrorString[] =
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{
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(const GLubyte*)"No error",
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(const GLubyte*)"Missing GL version",
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(const GLubyte*)"GL 1.1 and up are not supported",
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(const GLubyte*)"GLX 1.2 and up are not supported",
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(const GLubyte*)"Unknown error"
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};
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const int max_error = sizeof(_glewErrorString)/sizeof(*_glewErrorString) - 1;
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return _glewErrorString[(int)error > max_error ? max_error : (int)error];
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}
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const GLubyte * GLEWAPIENTRY glewGetString (GLenum name)
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{
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static const GLubyte* _glewString[] =
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{
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(const GLubyte*)NULL,
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(const GLubyte*)"GLEW_VERSION_STRING",
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(const GLubyte*)"GLEW_VERSION_MAJOR_STRING",
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(const GLubyte*)"GLEW_VERSION_MINOR_STRING",
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(const GLubyte*)"GLEW_VERSION_MICRO_STRING"
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};
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const int max_string = sizeof(_glewString)/sizeof(*_glewString) - 1;
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return _glewString[(int)name > max_string ? 0 : (int)name];
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}
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/* ------------------------------------------------------------------------ */
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GLboolean glewExperimental = GL_FALSE;
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#if !defined(GLEW_MX)
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#if defined(_WIN32)
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extern GLenum GLEWAPIENTRY wglewContextInit (void);
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#elif !defined(__ANDROID__) && !defined(__native_client__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX))
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extern GLenum GLEWAPIENTRY glxewContextInit (void);
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#endif /* _WIN32 */
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GLenum GLEWAPIENTRY glewInit (void)
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{
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GLenum r;
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r = glewContextInit();
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if ( r != 0 ) return r;
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#if defined(_WIN32)
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return wglewContextInit();
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#elif !defined(__ANDROID__) && !defined(__native_client__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX)) /* _UNIX */
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return glxewContextInit();
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#else
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return r;
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#endif /* _WIN32 */
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}
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#endif /* !GLEW_MX */
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