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# docs.GL

GLSL 4

# EmitStreamVertex

## Name

EmitStreamVertex — emit a vertex to a specified stream

## Declaration

`void EmitStreamVertex(` | int stream`)`;

## Parameters

`stream`

  Specifies the stream upon which the vertex will be emitted.

## Description

Available only in the Geometry Shader, `EmitStreamVertex` emits the current values of output variables to the current output primitive on stream `stream`. The argument `stream` must be a constant integral expression. On return from this call, the value of all output variables for all streams are undefined.

## 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
EmitStreamVertex | - | - | - | - | - | - | ✔ | ✔ | ✔ | ✔ | ✔ | ✔

## See Also

EmitVertex, EndStreamPrimitive, EndPrimitive

## 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. https://opencontent.org/openpub/.

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