NAME
cgIsContext - determine if a context handle references a valid context
SYNOPSIS
#include <Cg/cg.h> CGbool cgIsContext( CGcontext context );PARAMETERS
- context
The context handle to check.
RETURN VALUES
Returns CG_TRUE if context references a valid context.
Returns CG_FALSE otherwise.
DESCRIPTION
cgIsContext returns CG_TRUE if context references a valid context, CG_FALSE otherwise.
EXAMPLES
CGcontext context = NULL; cgIsContext(context); /* returns CG_FALSE */ context = cgCreateContext(); cgIsContext(context); /* returns CG_TRUE if create succeeded */ cgDestroyContext(context); cgIsContext(context); /* returns CG_FALSE */ERRORS
None.
HISTORY
cgIsContext was introduced in Cg 1.1.
SEE ALSO