Equalizer 1.0

share/Equalizer/examples/eVolve/channel.h

00001 
00002 /* Copyright (c) 2006-2011, Stefan Eilemann <eile@equalizergraphics.com>
00003  *               2007-2009, Maxim Makhinya
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 #ifndef EVOLVE_CHANNEL_H
00031 #define EVOLVE_CHANNEL_H
00032 
00033 #include "eVolve.h"
00034 #include "frameData.h"
00035 
00036 #include <eq/eq.h>
00037 #include <eq/types.h>
00038 
00039 namespace eVolve
00040 {
00041     class InitData;
00042 
00043     class Channel : public eq::Channel
00044     {
00045     public:
00046         Channel( eq::Window* parent );
00047 
00048     protected:
00049         virtual ~Channel() {}
00050 
00051         virtual bool configInit( const eq::uint128_t& initID );
00052 
00053         virtual void frameStart( const eq::uint128_t& frameID, 
00054                                  const uint32_t frameNumber );
00055 
00056         virtual void frameDraw( const eq::uint128_t& frameID );
00057         virtual void frameAssemble( const eq::uint128_t& frameID );
00058         virtual void frameReadback( const eq::uint128_t& frameID );
00059         virtual void frameViewFinish( const eq::uint128_t& frameID );
00060 
00061         virtual bool useOrtho() const;
00062 
00063         void clearViewport( const eq::PixelViewport &pvp );
00064 
00065         void frameClear( const eq::uint128_t& frameID );
00066 
00067     private:
00068         void _startAssemble();
00069 
00070         void _orderFrames( eq::Frames& frames );
00071 
00072         void _calcMVandITMV( eq::Matrix4f& modelviewM, 
00073                              eq::Matrix3f& modelviewITM ) const;
00074 
00075         const FrameData& _getFrameData() const;
00076 
00077         void _drawLogo();
00078         void _drawHelp();
00079 
00080         eq::Vector3f _bgColor; 
00081         eq::Frame _frame;     
00082         eq::Range _drawRange; 
00083     };
00084 
00085 }
00086 
00087 #endif // EVOLVE_CHANNEL_H
00088 
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