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Determines if a name corresponds to a shader object.

C Specification[edit]

GLboolean glIsShader( GLuint shader );


shader - Specifies a potential shader object.


 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 .


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[edit]

 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[edit]

 glIsShader  2.0+

See Also[edit]

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


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.