f4dc04ecbf
sampling have been activated for UI. Check the pictures here: http://www.blender.org/bf/filters/index2.html I also did do tests with anti-aliased shadowbuffers: http://www.blender.org/bf/filters/index3.html But this needs more thinking over still...
98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
/*
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* $Id$
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*
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* ***** BEGIN GPL 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.
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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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* Full recode: 2004-2006 Blender Foundation
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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 ZBUF_H
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#define ZBUF_H
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struct RenderPart;
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struct RenderLayer;
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struct LampRen;
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struct VlakRen;
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struct ListBase;
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void fillrect(int *rect, int x, int y, int val);
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/**
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* Converts a world coordinate into a homogenous coordinate in view
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* coordinates.
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*/
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void projectvert(float *v1, float winmat[][4], float *adr);
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void projectverto(float *v1, float winmat[][4], float *adr);
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int testclip(float *v);
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void set_part_zbuf_clipflag(struct RenderPart *pa);
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void zbuffer_shadow(struct Render *re, struct LampRen *lar, int *rectz, int size, float jitx, float jity);
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void zbuffer_solid(struct RenderPart *pa, unsigned int layer, short layflag);
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void zbuffer_transp_shade(struct RenderPart *pa, struct RenderLayer *rl, float *pass);
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void convert_zbuf_to_distbuf(struct RenderPart *pa, struct RenderLayer *rl);
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typedef struct APixstr {
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unsigned short mask[4]; /* jitter mask */
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int z[4]; /* distance */
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int p[4]; /* index */
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struct APixstr *next;
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} APixstr;
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typedef struct APixstrMain
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{
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struct APixstrMain *next, *prev;
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struct APixstr *ps;
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} APixstrMain;
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/* span fill in method, is also used to localize data for zbuffering */
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typedef struct ZSpan {
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int rectx, recty; /* range for clipping */
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int miny1, maxy1, miny2, maxy2; /* actual filled in range */
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float *minp1, *maxp1, *minp2, *maxp2; /* vertex pointers detect min/max range in */
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float *span1, *span2;
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float zmulx, zmuly, zofsx, zofsy; /* transform from hoco to zbuf co */
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int *rectz, *arectz; /* zbuffers, arectz is for transparant */
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int *rectp; /* polygon index buffer */
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APixstr *apixbuf, *curpstr; /* apixbuf for transparent */
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struct ListBase *apsmbase;
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int polygon_offset; /* offset in Z */
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int mask, apsmcounter; /* in use by apixbuf */
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void (*zbuffunc)(struct ZSpan *, int, float *, float *, float *, float *);
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void (*zbuflinefunc)(struct ZSpan *, int, float *, float *);
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} ZSpan;
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/* exported for evil edge render... */
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void zbufclip(struct ZSpan *zspan, int zvlnr, float *f1, float *f2, float *f3, int c1, int c2, int c3);
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void zbuf_alloc_span(ZSpan *zspan, int rectx, int recty);
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void zbufclipwire(ZSpan *zspan, int zvlnr, struct VlakRen *vlr);
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#endif
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