mirror of
https://github.com/nigels-com/glew.git
synced 2024-11-24 14:55:07 +00:00
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/* ------------------------------------------------------------------------ */
|
|
|
|
const GLubyte * GLEWAPIENTRY 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 size_t max_error = sizeof(_glewErrorString)/sizeof(*_glewErrorString) - 1;
|
|
return _glewErrorString[(size_t)error > max_error ? max_error : (size_t)error];
|
|
}
|
|
|
|
const GLubyte * GLEWAPIENTRY glewGetString (GLenum name)
|
|
{
|
|
static const GLubyte* _glewString[] =
|
|
{
|
|
(const GLubyte*)NULL,
|
|
(const GLubyte*)"GLEW_VERSION_STRING",
|
|
(const GLubyte*)"GLEW_VERSION_MAJOR_STRING",
|
|
(const GLubyte*)"GLEW_VERSION_MINOR_STRING",
|
|
(const GLubyte*)"GLEW_VERSION_MICRO_STRING"
|
|
};
|
|
const size_t max_string = sizeof(_glewString)/sizeof(*_glewString) - 1;
|
|
return _glewString[(size_t)name > max_string ? 0 : (size_t)name];
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
GLboolean glewExperimental = GL_FALSE;
|
|
|
|
GLenum GLEWAPIENTRY glewInit (void)
|
|
{
|
|
GLenum r;
|
|
r = glewContextInit();
|
|
if ( r != 0 ) return r;
|
|
#if defined(GLEW_OSMESA) || defined(__ANDROID__) || defined(__native_client__) || defined(__HAIKU__)
|
|
return r;
|
|
#elif defined(_WIN32)
|
|
return wglewInit();
|
|
#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX) /* _UNIX */
|
|
return glxewInit();
|
|
#else
|
|
return r;
|
|
#endif /* _WIN32 */
|
|
}
|