125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
/*
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* rendercore_ext.h
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*
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* $Id$
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*
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#ifndef RENDERCORE_H
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#define RENDERCORE_H
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#include "render_types.h"
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/* vector defines */
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#define CROSS(dest, a, b) dest[0]= a[1] * b[2] - a[2] * b[1]; dest[1]= a[2] * b[0] - a[0] * b[2]; dest[2]= a[0] * b[1] - a[1] * b[0]
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#define VECMUL(dest, f) dest[0]*= f; dest[1]*= f; dest[2]*= f
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struct HaloRen;
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struct ShadeInput;
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typedef struct ShadeResult
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{
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float diff[3];
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float spec[3];
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float alpha;
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} ShadeResult;
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typedef struct PixStr
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{
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struct PixStr *next;
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int vlak0, vlak;
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unsigned int z;
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unsigned int mask;
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short aantal, ronde;
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} PixStr;
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/* ------------------------------------------------------------------------- */
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typedef struct PixStrMain
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{
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struct PixStr *ps;
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struct PixStrMain *next;
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} PixStrMain;
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float mistfactor(float zcor, float *co); /* dist and height, return alpha */
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void add_halo_flare(void);
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void shade_input_set_coords(ShadeInput *shi, float u, float v, int i1, int i2, int i3);
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void shade_color(struct ShadeInput *shi, ShadeResult *shr);
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void shade_lamp_loop(struct ShadeInput *shi, ShadeResult *shr);
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float fresnel_fac(float *view, float *vn, float fresnel, float fac);
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void calc_R_ref(struct ShadeInput *shi);
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float spec(float inp, int hard);
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/* -------- ray.c ------- */
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extern void ray_shadow(ShadeInput *, LampRen *, float *);
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extern void ray_trace(ShadeInput *, ShadeResult *);
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extern void ray_ao(ShadeInput *, World *, float *);
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/**
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* Do z buffer and shade
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*/
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void zbufshade(void);
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/**
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* zbuffer and shade, anti aliased
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*/
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void zbufshadeDA(void); /* Delta Accum Pixel Struct */
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/**
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* Also called in: zbuf.c
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*/
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void *shadepixel(float x, float y, int vlaknr, int mask, float *col);
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/**
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* A cryptic but very efficient way of counting the number of bits that
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* is set in the unsigned short.
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*/
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int count_mask(unsigned short mask);
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/* These defines are only used internally :) */
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/* dirty hack: pointers are negative, indices positive */
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/* pointers should be converted to positive numbers */
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#define IS_A_POINTER_CODE(a) ((a)<0)
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#define POINTER_FROM_CODE(a) ((void *)(-(a)))
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#define POINTER_TO_CODE(a) (-(long)(a))
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#endif /* RENDER_EXT_H */
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