sourCEntral - mobile manpages

pdf

GL_GLOBALINVOCATIONI

NAME

gl_GlobalInvocationID - contains the global index of work item currently being operated on by a compute shader

DECLARATION

in uvec3 gl_GlobalInvocationID ;.SH "DESCRIPTION"

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.

VERSION SUPPORT

img

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

pdf