GL_INSTANCEID(3G)

    .SH "NAME" gl_InstanceID - contains the instance number of the current primitive in an instanced draw command
    .SH "DECLARATION"

            in highp
            int
            gl_InstanceID
        ;

    .SH "DESCRIPTION"
        .PP gl_InstanceID is a vertex language input variable that holds the integer instance number of the current primitive in an instanced draw command such as glDrawArraysInstanced. If the current primitive does not originate from an instanced draw command, the value of gl_InstanceID is zero.

    .SH "VERSION SUPPORT"
        .TS allbox tab(:); l l l l l. T{ gl_InstanceID T}:T{ T}:T{ T}:T{ T}:T{ T}

    .SH "SEE ALSO"
        .PP gl_VertexID()

    .SH "COPYRIGHT"
        .PP Copyright © 2011-2015 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.

COPYRIGHT
Copyright © 2011-2015 Khronos Group