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# docs.GL

OpenGL 4
OpenGL 3
OpenGL ES 3

# glIsSampler

## Name

glIsSampler — determine if a name corresponds to a sampler object

## C Specification

`GLboolean glIsSampler(` | GLuint id`)`;

## Parameters

`id`

  Specifies a value that may be the name of a sampler object.

## Description

`glIsSampler` returns `GL_TRUE` if `id` is currently the name of a sampler object. If `id` is zero, or is a non-zero value that is not currently the name of a sampler object, or if an error occurs, `glIsSampler` returns `GL_FALSE`.

A name returned by glGenSamplers, is the name of a sampler object.

## Notes

`glIsSampler` is available only if the GL version is 3.3 or higher.

## Version Support

| OpenGL Version
--- | ---
Function / Feature Name | 2.0 | 2.1 | 3.0 | 3.1 | 3.2 | 3.3 | 4.0 | 4.1 | 4.2 | 4.3 | 4.4 | 4.5
`glIsSampler` | - | - | - | - | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔

## See Also

glGenSamplers, glBindSampler, glDeleteSamplers

## Copyright

Copyright © 2010-2014 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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