Equalizer  1.2.1
seqPly/vertexBufferRoot.h
00001 
00002 /* Copyright (c) 2007, Tobias Wolf <twolf@access.unizh.ch>
00003  *               2009, 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 
00035 #include "vertexBufferNode.h"
00036 #include "vertexBufferData.h"
00037 
00038 
00039 namespace mesh 
00040 {
00041     /*  The class for kd-tree root nodes.  */
00042     class VertexBufferRoot : public VertexBufferNode
00043     {
00044     public:
00045         VertexBufferRoot() : VertexBufferNode(), _invertFaces(false) {}
00046 
00047         virtual void cullDraw( VertexBufferState& state ) const;
00048         virtual void draw( VertexBufferState& state ) const;
00049         
00050         void setupTree( VertexData& data );
00051         bool writeToFile( const std::string& filename );
00052         bool readFromFile( const std::string& filename );
00053         bool hasColors() const { return _data.colors.size() > 0; }
00054 
00055         void useInvertedFaces() { _invertFaces = true; }
00056 
00057         const std::string& getName() const { return _name; }
00058 
00059     protected:
00060         virtual void toStream( std::ostream& os );
00061         virtual void fromMemory( char* start );
00062         
00063     private:
00064         bool _constructFromPly( const std::string& filename );
00065         bool _readBinary( std::string filename );
00066 
00067         void _beginRendering( VertexBufferState& state ) const;
00068         void _endRendering( VertexBufferState& state ) const;
00069 
00070         VertexBufferData _data;
00071         bool             _invertFaces;
00072         std::string      _name;
00073 
00074         friend class eqPly::VertexBufferDist;
00075     };
00076     
00077     
00078 }
00079 
00080 
00081 #endif // MESH_VERTEXBUFFERROOT_H
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