renderContext.h

/* Copyright (c) 2006-2016, 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/vmmlib.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, bool local ); 

    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&, const RenderContext& );
}
}

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