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¶
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OpenGL Shading Language Version |
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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_GlobalInvocationID |
- |
- |
- |
- |
- |
- |
- |
- |
- |
✔ |
✔ |
✔ |
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