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| GL_VERTEXID(3G) | [FIXME: manual] | GL_VERTEXID(3G) |
NAME¶
gl_VertexID - contains the index of the current vertex
DECLARATION¶
in int gl_VertexID ;.SH "DESCRIPTION"
gl_VertexID is a vertex language input variable that holds an integer index for the vertex. The index is impliclty generated by glDrawArrays and other commands that do not reference the content of the GL_ELEMENT_ARRAY_BUFFER, or explicitly generated from the content of the GL_ELEMENT_ARRAY_BUFFER by commands such as glDrawElements.
VERSION SUPPORT¶
| OpenGL Shading Language Version | ||||||||||||
| Function 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_VertexID | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
SEE ALSO¶
gl_InstanceID()
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 © 2011-2014 Khronos Group
| 05/21/2015 | [FIXME: source] |