Label a sync object identified by a pointer.
||-||A pointer identifying a sync object.|
||-||The length of the label to be used for the object.|
||-||The address of a string containing the label to assign to the object.|
glObjectPtrLabel labels the sync object identified by
label is the address of a string that will be used to label the object.
length contains the number of characters in
length is negative, it is implied that
label contains a null-terminated string. If
NULL, any debug label is effectively removed from the object.
GL_INVALID_VALUE is generated if
ptr is not a valid sync object.
GL_INVALID_VALUE is generated if the number of characters in
label, excluding the null terminator when
length is negative, is greater than the value of
glGet with argument
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