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GLPRIMITIVERESTARTIN(3G) OpenGL Manual GLPRIMITIVERESTARTIN(3G)
glPrimitiveRestartIndex - specify the primitive restart index
void glPrimitiveRestartIndex(GLuint index);
Specifies the value to be interpreted as the primitive restart index.
glPrimitiveRestartIndex specifies a vertex array element that is treated specially when
primitive restarting is enabled. This is known as the primitive restart index.
When one of the Draw* commands transfers a set of generic attribute array elements to the
GL, if the index within the vertex arrays corresponding to that set is equal to the
primitive restart index, then the GL does not process those elements as a vertex. Instead,
it is as if the drawing command ended with the immediately preceding transfer, and another
drawing command is immediately started with the same parameters, but only transferring the
immediately following element through the end of the originally specified elements.
When either glDrawElementsBaseVertex(), glDrawElementsInstancedBaseVertex() or
glMultiDrawElementsBaseVertex() is used, the primitive restart comparison occurs before
the basevertex offset is added to the array index.
glPrimitiveRestartIndex is available only if the GL version is 3.1 or greater.
glDrawArrays(), glDrawElements(), glDrawElementsBaseVertex(),
Copyright (C) 2010 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.
opengl.org 06/10/2014 GLPRIMITIVERESTARTIN(3G)
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