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Contains the number of workgroups that have been dispatched to a compute shader.



In the compute language,gl_NumWorkGroupscontains the total number of work groups that will execute the compute shader. The components ofgl_NumWorkGroupsare equal to the num_groups_x , num_groups_y , and num_groups_z parameters passed to theglDispatchComputecommand.

Version Support[edit]

gl_NumWorkGroups 4.3+

See Also[edit]

 gl_WorkGroupSize , gl_WorkGroupID , gl_LocalInvocationID 


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.