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Core in version 4.6
Core since version 4.3
Core ARB extension ARB_invalidate_subdata

glInvalidateBufferData: invalidate the content of a buffer object's data store

Function Definition

 void glInvalidateBufferData(GLuint buffer​);
The name of a buffer object whose data store to invalidate.


glInvalidateBufferData invalidates all of the content of the data store of a buffer object. After invalidation, the content of the buffer's data store becomes undefined.


GL_INVALID_VALUE is generated if buffer​ is not the name of an existing buffer object.

GL_INVALID_OPERATION is generated if any part of buffer​ is currently mapped.

Associated Gets

glGetBufferParameter with argument GL_BUFFER_SIZE

See Also

glBufferData, glInvalidateBufferSubData, glMapBufferRange, glUnmapBuffer


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.