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Core in version 4.5
Core since version 4.3
Core ARB extension KHR_debug

glObjectLabel: label a named object identified within a namespace

Function Definition

 void glObjectLabel(GLenum identifier​, GLuint name​, GLsizei length​, const char * label​);
The namespace from which the name of the object is allocated.
The name of the object to label.
The length of the label to be used for the object.
The address of a string containing the label to assign to the object.


glObjectLabel labels the object identified by name​ within the namespace given by identifier​. identifier​ must be one of GL_BUFFER, GL_SHADER, GL_PROGRAM, GL_VERTEX_ARRAY, GL_QUERY, GL_PROGRAM_PIPELINE, GL_TRANSFORM_FEEDBACK, GL_SAMPLER, GL_TEXTURE, GL_RENDERBUFFER, GL_FRAMEBUFFER, to indicate the namespace containing the names of buffers, shaders, programs, vertex array objects, query objects, program pipelines, transform feedback objects, samplers, textures, renderbuffers and frame buffers, respectively.

label​ is the address of a string that will be used to label an object. length​ contains the number of characters in label​. If length​ is negative, it is implied that label​ contains a null-terminated string. If label​ is NULL, any debug label is effectively removed from the object.


GL_INVALID_ENUM is generated if identifier​ is not one of the accepted object types.

GL_INVALID_OPERATION is generated if name​ is not the name of an existing object of the type specified by identifier​.

GL_INVALID_VALUE is generated if the number of characters in label​, excluding the null terminator when length​ is negative, is greater than the value of GL_MAX_LABEL_LENGTH.

Associated Gets

glGet with argument GL_MAX_LABEL_LENGTH.

See Also

glObjectPtrLabel, glGetObjectLabel


Copyright © 2012 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.