gl_InstanceID — contains the index of the current primitive in an instanced draw command
in int gl_InstanceID;
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.
Variable | Version 1.10 | Version 1.20 | Version 1.30 | Version 1.40 | Version 1.50 | Version 3.30 | Version 4.00 | Version 4.10 |
---|---|---|---|---|---|---|---|---|
gl_InstanceID | - | - | - | Y | Y | Y | Y | Y |
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