glIsList — determine if a name corresponds to a display list
GLboolean glIsList( | GLuint | list); |
glIsList returns GL_TRUE if list is the name
of a display list and returns GL_FALSE if it is not, or if an error occurs.
A name returned by glGenLists, but not yet associated with a display list by calling glNewList, is not the name of a display list.
GL_INVALID_OPERATION is generated if glIsList
is executed between the execution of
glBegin
and the corresponding execution of glEnd.
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