%mathent; ]> 2011-2014 Khronos Group gl_LocalInvocationIndex 3G gl_LocalInvocationIndex contains the local linear index of work item currently being operated on by a compute shader Declaration in uint gl_LocalInvocationIndex Description In the compute language, gl_LocalInvocationIndex is a derived input variable containing the 1-dimensional linearized index of the work invocation within the work group that the current shader is executing on. The value of gl_LocalInvocationIndex is equal to gl_LocalInvocationID.z * gl_WorkGroupSize.x * gl_WorkGroupSize.y + gl_LocalInvocationID.y * gl_WorkGroupSize.x + gl_LocalInvocationID.x. Version Support gl_LocalInvocationIndex See Also gl_NumWorkGroups, gl_WorkGroupID, gl_WorkGroupSize, 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/.