Equalizer  1.4.1
seqPly/vertexBufferRoot.h
00001 
00002 /* Copyright (c) 2007, Tobias Wolf <twolf@access.unizh.ch>
00003  *               2009-2012, Stefan Eilemann <eile@equalizergraphics.com>
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions are met:
00007  *
00008  * - Redistributions of source code must retain the above copyright notice, this
00009  *   list of conditions and the following disclaimer.
00010  * - Redistributions in binary form must reproduce the above copyright notice,
00011  *   this list of conditions and the following disclaimer in the documentation
00012  *   and/or other materials provided with the distribution.
00013  * - Neither the name of Eyescale Software GmbH nor the names of its
00014  *   contributors may be used to endorse or promote products derived from this
00015  *   software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
00021  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00027  * POSSIBILITY OF SUCH DAMAGE.
00028  */
00029 
00030 
00031 #ifndef MESH_VERTEXBUFFERROOT_H
00032 #define MESH_VERTEXBUFFERROOT_H
00033 
00034 #include "vertexBufferNode.h"
00035 #include "vertexBufferData.h"
00036 
00037 namespace mesh 
00038 {
00039     /*  The class for kd-tree root nodes.  */
00040     class VertexBufferRoot : public VertexBufferNode
00041     {
00042     public:
00043         VertexBufferRoot() : VertexBufferNode(), _invertFaces(false) {}
00044 
00045         virtual void cullDraw( VertexBufferState& state ) const;
00046         virtual void draw( VertexBufferState& state ) const;
00047         
00048         void setupTree( VertexData& data );
00049         bool writeToFile( const std::string& filename );
00050         bool readFromFile( const std::string& filename );
00051         bool hasColors() const { return _data.colors.size() > 0; }
00052 
00053         void useInvertedFaces() { _invertFaces = true; }
00054 
00055         const std::string& getName() const { return _name; }
00056 
00057     protected:
00058         virtual void toStream( std::ostream& os );
00059         virtual void fromMemory( char* start );
00060         
00061     private:
00062         bool _constructFromPly( const std::string& filename );
00063         bool _readBinary( std::string filename );
00064 
00065         void _beginRendering( VertexBufferState& state ) const;
00066         void _endRendering( VertexBufferState& state ) const;
00067 
00068         VertexBufferData _data;
00069         bool             _invertFaces;
00070         std::string      _name;
00071 
00072         friend class eqPly::VertexBufferDist;
00073     };
00074     
00075     
00076 }
00077 
00078 
00079 #endif // MESH_VERTEXBUFFERROOT_H
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