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NAME
       gl_NumWorkGroups - contains the number of workgroups that have been dispatched to a
       compute shader


DECLARATION
       in uvec3 gl_NumWorkGroups ;.SH "DESCRIPTION"

       In the compute language, gl_NumWorkGroups contains the total number of work groups that
       will execute the compute shader. The components of gl_NumWorkGroups are equal to the
       num_groups_x, num_groups_y, and num_groups_z parameters passed to the glDispatchCompute
       command.


VERSION SUPPORT
       ┌─────────────────┬───────────────────────────────────────────────────────────────────────────────────┐
       │                 │        OpenGL Shading Language Version                                            │
       ├─────────────────┼──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┤
       │Variable         │ 1.10 │ 1.20 │ 1.30 │ 1.40 │ 1.50 │ 3.30 │ 4.00 │ 4.10 │ 4.20 │ 4.30 │ 4.40 │ 4.50 │
       │Name             │      │      │      │      │      │      │      │      │      │      │      │      │
       ├─────────────────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┤
       │gl_NumWorkGroups │  -   │  -   │  -   │  -   │  -   │  -   │  -   │  -   │  -   │  ✔   │  ✔   │  ✔   │
       └─────────────────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┘


SEE ALSO
       gl_WorkGroupSize(), gl_WorkGroupID(), gl_LocalInvocationID()


COPYRIGHT
       Copyright © 2011-2014 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 © 2012-2014 Khronos Group

[FIXME: source]                             07/22/2015                       GL_NUMWORKGROUPS(3G)