GL_GLOBALINVOCATIONI(3G)

    .SH "NAME" gl_GlobalInvocationID - contains the global index of work item currently being operated on by a compute shader
    .SH "DECLARATION"

            in
            uvec3
            gl_GlobalInvocationID
        ;

    .SH "DESCRIPTION"
        .PP In the compute language, gl_GlobalInvocationID is a derived input variable containing the n-dimensional index of the work invocation within the global work group that the current shader is executing on. The value of gl_GlobalInvocationID is equal to gl_WorkGroupID * gl_WorkGroupSize + gl_LocalInvocationID.

    .SH "VERSION SUPPORT"

        .TS allbox tab(:); l l l l l. T{ gl_GlobalInvocationID T}:T{ T}:T{ T}:T{ T}:T{ T}

    .SH "SEE ALSO"
        .PP gl_NumWorkGroups(), gl_WorkGroupID(), gl_WorkGroupSize(), gl_LocalInvocationID()

    .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