glIsSampler — determine if a name corresponds to a sampler object
GLboolean glIsSampler( | GLuint id); |
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.
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