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/*
* texture_ext.h
*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef TEXTURE_EXT_H
#define TEXTURE_EXT_H
#define BRICONT texres->tin= (texres->tin-0.5)*tex->contrast+tex->bright-0.5; \
if(texres->tin<0.0) texres->tin= 0.0; else if(texres->tin>1.0) texres->tin= 1.0;
#define BRICONTRGB texres->tr= tex->rfac*((texres->tr-0.5)*tex->contrast+tex->bright-0.5); \
if(texres->tr<0.0) texres->tr= 0.0; \
texres->tg= tex->gfac*((texres->tg-0.5)*tex->contrast+tex->bright-0.5); \
if(texres->tg<0.0) texres->tg= 0.0; \
texres->tb= tex->bfac*((texres->tb-0.5)*tex->contrast+tex->bright-0.5); \
if(texres->tb<0.0) texres->tb= 0.0;
struct HaloRen;
struct ShadeInput;
struct TexResult;
struct Tex;
struct Image;
struct ImBuf;
/* texture.h */
void do_halo_tex(struct HaloRen *har, float xn, float yn, float *colf);
void do_sky_tex(float *rco, float *lo, float *dxyview, float *hor, float *zen, float *blend, int skyflag);
void do_material_tex(struct ShadeInput *shi);
void do_lamp_tex(LampRen *la, float *lavec, struct ShadeInput *shi, float *colf, int effect);
void init_render_textures(Render *re);
void render_realtime_texture(struct ShadeInput *shi, struct Image *ima);
/* imagetexture.h */
int imagewraposa(struct Tex *tex, struct Image *ima, struct ImBuf *ibuf, float *texvec, float *dxt, float *dyt, struct TexResult *texres);
int imagewrap(struct Tex *tex, struct Image *ima, struct ImBuf *ibuf, float *texvec, struct TexResult *texres);
void image_sample(struct Image *ima, float fx, float fy, float dx, float dy, float *result);
#endif /* TEXTURE_EXT_H */
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