/* ------------------------------------------------------------------------ */ | |
const GLubyte* glewGetErrorString (GLenum error) | |
{ | |
static const GLubyte* _glewErrorString[] = | |
{ | |
(const GLubyte*)"No error", | |
(const GLubyte*)"Missing GL version", | |
(const GLubyte*)"GL 1.1 and up are not supported", | |
(const GLubyte*)"GLX 1.2 and up are not supported", | |
(const GLubyte*)"Unknown error" | |
}; | |
const int max_error = sizeof(_glewErrorString)/sizeof(*_glewErrorString) - 1; | |
return _glewErrorString[(int)error > max_error ? max_error : (int)error]; | |
} | |
const GLubyte* glewGetString (GLenum name) | |
{ | |
static const GLubyte* _glewString[] = | |
{ | |
(const GLubyte*)NULL, | |
(const GLubyte*)"GLEW_VERSION_STRING" | |
}; | |
const int max_string = sizeof(_glewString)/sizeof(*_glewString) - 1; | |
return _glewString[(int)name > max_string ? 0 : (int)name]; | |
} | |
/* ------------------------------------------------------------------------ */ | |
GLboolean glewExperimental = GL_FALSE; | |
#if !defined(GLEW_MX) | |
#if defined(_WIN32) | |
extern GLenum wglewContextInit (void); | |
#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX) /* _UNIX */ | |
extern GLenum glxewContextInit (void); | |
#endif /* _WIN32 */ | |
GLenum glewInit () | |
{ | |
GLenum r; | |
if ( (r = glewContextInit()) ) return r; | |
#if defined(_WIN32) | |
return wglewContextInit(); | |
#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX) /* _UNIX */ | |
return glxewContextInit(); | |
#else | |
return r; | |
#endif /* _WIN32 */ | |
} | |
#endif /* !GLEW_MX */ |