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GLMULTIDRAWELEMENTSB(3G)	 OpenGL Manual	      GLMULTIDRAWELEMENTSB(3G)

NAME
       glMultiDrawElementsBaseVertex - render multiple sets of primitives by
       specifying indices of array data elements and an index to apply to each
       index

C SPECIFICATION
       void glMultiDrawElementsBaseVertex(GLenum mode, const GLsizei *count,
					  GLenum type, const GLvoid **indices,
					  GLsizei primcount,
					  GLint *basevertex);

PARAMETERS
       mode
	   Specifies what kind of primitives to render. Symbolic constants
	   GL_POINTS, GL_LINE_STRIP, GL_LINE_LOOP, GL_LINES,
	   GL_LINE_STRIP_ADJACENCY, GL_LINES_ADJACENCY, GL_TRIANGLE_STRIP,
	   GL_TRIANGLE_FAN, GL_TRIANGLES, GL_TRIANGLE_STRIP_ADJACENCY,
	   GL_TRIANGLES_ADJACENCY and GL_PATCHES are accepted.

       count
	   Points to an array of the elements counts.

       type
	   Specifies the type of the values in indices. Must be one of
	   GL_UNSIGNED_BYTE, GL_UNSIGNED_SHORT, or GL_UNSIGNED_INT.

       indices
	   Specifies a pointer to the location where the indices are stored.

       primcount
	   Specifies the size of the count array.

       basevertex
	   Specifies a pointer to the location where the base vertices are
	   stored.

DESCRIPTION
       glMultiDrawElementsBaseVertex behaves identically to
       glDrawElementsBaseVertex(), except that primcount separate lists of
       elements are specifried instead.

       It has the same effect as:

	       for (int i = 0; i < primcount; i++)
		   if (count[i] > 0)
		       glDrawElementsBaseVertex(mode,
						count[i],
						type,
						indices[i],
						basevertex[i]);

NOTES
       glMultiDrawElementsBaseVertex is available only if the GL version is
       3.1 or greater.

       GL_LINE_STRIP_ADJACENCY, GL_LINES_ADJACENCY,
       GL_TRIANGLE_STRIP_ADJACENCY and GL_TRIANGLES_ADJACENCY are available
       only if the GL version is 3.2 or greater.

ERRORS
       GL_INVALID_ENUM is generated if mode is not an accepted value.

       GL_INVALID_VALUE is generated if primcount is negative.

       GL_INVALID_OPERATION is generated if a non-zero buffer object name is
       bound to an enabled array or the element array and the buffer object's
       data store is currently mapped.

SEE ALSO
       glMultiDrawElements(), glDrawElementsBaseVertex(), glDrawArrays(),
       glVertexAttribPointer()

COPYRIGHT
       Copyright © 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.  http://opencontent.org/openpub/.

AUTHORS
       opengl.org

opengl.org			  03/16/2013	      GLMULTIDRAWELEMENTSB(3G)

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