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/* ------------------------------------------------------------------------- */
static PFNWGLGETEXTENSIONSSTRINGARBPROC _wglewGetExtensionsStringARB = NULL;
static PFNWGLGETEXTENSIONSSTRINGEXTPROC _wglewGetExtensionsStringEXT = NULL;
GLboolean wglewGetExtension (const char* name)
{
GLubyte* p;
GLubyte* end;
GLuint len = _glewStrLen((const GLubyte*)name);
if (_wglewGetExtensionsStringARB == NULL)
if (_wglewGetExtensionsStringEXT == NULL)
return GL_FALSE;
else
p = (GLubyte*)_wglewGetExtensionsStringEXT();
else
p = (GLubyte*)_wglewGetExtensionsStringARB(wglGetCurrentDC());
if (0 == p) return GL_FALSE;
end = p + _glewStrLen(p);
while (p < end)
{
GLuint n = _glewStrCLen(p, ' ');
if (len == n && _glewStrSame((const GLubyte*)name, p, n)) return GL_TRUE;
p += n+1;
}
return GL_FALSE;
}
GLenum wglewContextInit (WGLEW_CONTEXT_ARG_DEF_LIST)
{
GLboolean crippled;
/* find wgl extension string query functions */
_wglewGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)glewGetProcAddress((const GLubyte*)"wglGetExtensionsStringARB");
_wglewGetExtensionsStringEXT = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)glewGetProcAddress((const GLubyte*)"wglGetExtensionsStringEXT");
/* initialize extensions */
crippled = _wglewGetExtensionsStringARB == NULL && _wglewGetExtensionsStringEXT == NULL;
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