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¶
|
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_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
