NAME

       glIsShader - Determines if a name corresponds to a shader object

C SPECIFICATION

       GLboolean glIsShader(GLuint shader);

PARAMETERS

       shader
           Specifies a potential shader object.

DESCRIPTION

       glIsShader returns GL_TRUE if shader is the name of a shader object previously created
       with glCreateShader() and not yet deleted with glDeleteShader(). If shader is zero or a
       non-zero value that is not the name of a shader object, or if an error occurs, glIsShader
       returns GL_FALSE.

NOTES

       No error is generated if shader is not a valid shader object name.

       A shader object marked for deletion with glDeleteShader() but still attached to a program
       object is still considered a shader object and glIsShader will return GL_TRUE.

ASSOCIATED GETS

       glGetAttachedShaders() with a valid program object

       glGetShader() with arguments shader and a parameter to be queried

       glGetShaderInfoLog() with argument object

       glGetShaderSource() with argument object

VERSION SUPPORT

       ┌───────────┬───────────────────────────────────────────────────────────────────────┐
       │           │                OpenGL Version                                         │
       ├───────────┼─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┤
       │Function   │ 2.0 │ 2.1 │ 3.0 │ 3.1 │ 3.2 │ 3.3 │ 4.0 │ 4.1 │ 4.2 │ 4.3 │ 4.4 │ 4.5 │
       │/          │     │     │     │     │     │     │     │     │     │     │     │     │
       │Feature    │     │     │     │     │     │     │     │     │     │     │     │     │
       │Name       │     │     │     │     │     │     │     │     │     │     │     │     │
       ├───────────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┤
       │glIsShader │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │
       └───────────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┘

SEE ALSO

       glAttachShader(), glCompileShader(), glCreateShader(), glDeleteShader(), glDetachShader(),
       glLinkProgram(), glShaderSource()

COPYRIGHT

       Copyright © 2003-2005 3Dlabs Inc. Ltd. 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.  http://opencontent.org/openpub/.

COPYRIGHT

       Copyright © 2003-2005 3Dlabs Inc. Ltd.
       Copyright © 2010-2014 Khronos Group

[FIXME: source]                             01/03/2018                             GLISSHADER(3G)