renderContext.h

/* Copyright (c) 2006-2012, Stefan Eilemann <eile@equalizergraphics.com>
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef EQFABRIC_RENDERCONTEXT_H
#define EQFABRIC_RENDERCONTEXT_H

#include <eq/fabric/colorMask.h>        // member
#include <eq/fabric/eye.h>              // member
#include <eq/fabric/pixel.h>            // member
#include <eq/fabric/pixelViewport.h>    // member
#include <eq/fabric/range.h>            // member
#include <eq/fabric/subPixel.h>         // member
#include <eq/fabric/types.h>
#include <eq/fabric/zoom.h>             // member

#include <co/objectVersion.h>
#include <eq/fabric/api.h>

namespace eq
{
namespace fabric
{
    class RenderContext
    {
    public:
        EQFABRIC_API RenderContext();
        EQFABRIC_API void apply( const Tile& tile ); 

        Frustumf       frustum;        
        Frustumf       ortho;          

        Matrix4f       headTransform;  
        Matrix4f       orthoTransform; 

        co::ObjectVersion view;        
        uint128_t      frameID;        
        PixelViewport  pvp;            
        Pixel          pixel;          
        Vector4i       overdraw;       
        Viewport       vp;             

        Vector2i       offset;         
        Range          range;          
        SubPixel       subpixel;       
        Zoom           zoom;           

        uint32_t       buffer;         
        uint32_t       taskID;         
        uint32_t       period;         
        uint32_t       phase;          
        Eye            eye;            
        uint32_t       alignToEight;   

        ColorMask      bufferMask;     
        bool           alignDummy[28]; 
    };

    EQFABRIC_API std::ostream& operator << ( std::ostream& os,
                                             const RenderContext& ctx );
}
}

namespace lunchbox
{
template<> inline void byteswap( eq::fabric::RenderContext& value )
{
    byteswap( value.frustum );
    byteswap( value.ortho );

    byteswap( value.headTransform );
    byteswap( value.orthoTransform );

    byteswap( value.view );
    byteswap( value.frameID );
    byteswap( value.pvp );
    byteswap( value.pixel );
    byteswap( value.overdraw );
    byteswap( value.vp );

    byteswap( value.offset );
    byteswap( value.range );
    byteswap( value.subpixel );
    byteswap( value.zoom );

    byteswap( value.buffer );
    byteswap( value.taskID );
    byteswap( value.period );
    byteswap( value.phase );
    byteswap( value.eye );

    byteswap( value.bufferMask );
}
}

#endif // EQFABRIC_RENDERCONTEXT_H