kicad/3d-viewer/3d_rendering/3d_render_raytracing/raypacket.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015-2016 Mario Luzeiro <mrluzeiro@ua.pt>
* Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file raypacket.h
* @brief
*/
#ifndef _RAYPACKET_H_
#define _RAYPACKET_H_
#include "ray.h"
#include "cfrustum.h"
#include "../ccamera.h"
#define RAYPACKET_DIM (1 << 3)
#define RAYPACKET_MASK (unsigned int)( (RAYPACKET_DIM - 1))
#define RAYPACKET_INVMASK (unsigned int)(~(RAYPACKET_DIM - 1))
#define RAYPACKET_RAYS_PER_PACKET (RAYPACKET_DIM * RAYPACKET_DIM)
struct RAYPACKET
{
CFRUSTUM m_Frustum;
RAY m_ray[RAYPACKET_RAYS_PER_PACKET];
RAYPACKET( const CCAMERA &aCamera,
const SFVEC2I &aWindowsPosition );
RAYPACKET( const CCAMERA &aCamera,
const SFVEC2I &aWindowsPosition,
const SFVEC3F &aDirectionDisplacementFactor );
RAYPACKET( const CCAMERA &aCamera,
const SFVEC2I &aWindowsPosition,
unsigned int aPixelMultiple );
RAYPACKET( const CCAMERA &aCamera,
const SFVEC2F &aWindowsPosition );
RAYPACKET( const CCAMERA &aCamera,
const SFVEC2F &aWindowsPosition,
const SFVEC2F &a2DWindowsPosDisplacementFactor );
};
void RAYPACKET_InitRays( const CCAMERA &aCamera,
const SFVEC2F &aWindowsPosition,
RAY *aRayPck );
void RAYPACKET_InitRays_with2DDisplacement( const CCAMERA &aCamera,
const SFVEC2F &aWindowsPosition,
const SFVEC2F &a2DWindowsPosDisplacementFactor,
RAY *aRayPck );
#endif // _RAYPACKET_H_