glIsSampler — determine if a name corresponds to a sampler object
Specifies a value that may be the name of a sampler object.
id is currently the name of a sampler object.
id is zero, or is a non-zero value that is not currently the
name of a sampler object, or if an error occurs,
A name returned by glGenSamplers, is the name of a sampler object.
|OpenGL ES API Version|
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