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GL_LOCALINVOCATIONIN(3G) [FIXME: manual] GL_LOCALINVOCATIONIN(3G)

NAME

gl_LocalInvocationIndex - contains the local linear index of work item currently being operated on by a compute shader

DECLARATION

in uint gl_LocalInvocationIndex ;.SH "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

OpenGL Shading Language Version
Variable Name 1.10 1.20 1.30 1.40 1.50 3.30 4.00 4.10 4.20 4.30 4.40 4.50
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/.

COPYRIGHT

Copyright © 2012-2014 Khronos Group

04/12/2021 [FIXME: source]