GL_INSTANCEID - Online Linux Manual PageSection : 3G
Updated : 01/20/2022
Source : [FIXME: source]
Note : [FIXME: manual]

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NAMEgl_InstanceID − contains the index of the current primitive in an instanced draw command

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DECLARATIONin ​int ​gl_InstanceID ​;.SH "DESCRIPTION" gl_InstanceID is a vertex language input variable that holds the integer index of the current primitive in an instanced draw command such as glDrawArraysInstanced​. If the current primitive does not originate from an instanced draw command, the value of gl_InstanceID is zero​.

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VERSION SUPPORT OpenGL Shading Language Version Variable Name 1​.10 none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'> 1​.20 1​.30 1​.40 1​.50 3​.30 4​.00 4​.10 4​.20 4​.30 4​.40 4​.50 gl_InstanceID − − − ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔

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SEE ALSOgl_VertexID()

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COPYRIGHTCopyright © 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/​.

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COPYRIGHT
Copyright © 2011-2014 Khronos Group
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