Equalizer  1.6.1
seqPly/vertexBufferNode.h
1 
2 /* Copyright (c) 2007, Tobias Wolf <twolf@access.unizh.ch>
3  * Copyright (c) 2008, Stefan Eilemann <eile@equalizergraphics.com>
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * - Redistributions of source code must retain the above copyright notice, this
9  * list of conditions and the following disclaimer.
10  * - Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  * - Neither the name of Eyescale Software GmbH nor the names of its
14  * contributors may be used to endorse or promote products derived from this
15  * software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
21  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  * POSSIBILITY OF SUCH DAMAGE.
28 
29 
30  Header file of the VertexBufferNode class.
31 */
32 
33 
34 #ifndef MESH_VERTEXBUFFERNODE_H
35 #define MESH_VERTEXBUFFERNODE_H
36 
37 
38 #include "vertexBufferBase.h"
39 
40 namespace mesh
41 {
42  /* The class for regular (non-leaf) kd-tree nodes. */
43  class VertexBufferNode : public VertexBufferBase
44  {
45  public:
46  VertexBufferNode() : _left( 0 ), _right( 0 ) {}
47  virtual ~VertexBufferNode();
48 
49  virtual void draw( VertexBufferState& state ) const;
50  virtual Index getNumberOfVertices() const
51  {return _left->getNumberOfVertices()+_right->getNumberOfVertices();}
52 
53  virtual const VertexBufferBase* getLeft() const { return _left; }
54  virtual const VertexBufferBase* getRight() const { return _right; }
55 
56  protected:
57  virtual void toStream( std::ostream& os );
58  virtual void fromMemory( char** addr, VertexBufferData& globalData );
59 
60  virtual void setupTree( VertexData& data, const Index start,
61  const Index length, const Axis axis,
62  const size_t depth,
63  VertexBufferData& globalData );
64  virtual const BoundingSphere& updateBoundingSphere();
65  virtual void updateRange();
66 
67  private:
68  VertexBufferBase* _left;
69  VertexBufferBase* _right;
70  friend class eqPly::VertexBufferDist;
71  };
72 }
73 
74 
75 #endif // MESH_VERTEXBUFFERNODE_H
co::Object to distribute a model, holds a VertexBufferBase node.