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Diffstat (limited to 'source/blender/render/intern/include/RE_basicShadowBuffer.h')
| -rw-r--r-- | source/blender/render/intern/include/RE_basicShadowBuffer.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/source/blender/render/intern/include/RE_basicShadowBuffer.h b/source/blender/render/intern/include/RE_basicShadowBuffer.h new file mode 100644 index 00000000000..8d5e9237205 --- /dev/null +++ b/source/blender/render/intern/include/RE_basicShadowBuffer.h @@ -0,0 +1,94 @@ +/** + * $Id$ + * + * ***** BEGIN GPL/BL DUAL 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. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * 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/BL DUAL LICENSE BLOCK ***** + */ + +#ifndef RE_BASICSHADOWBUFFER_H +#define RE_BASICSHADOWBUFFER_H + +#include "RE_ShadowBuffer.h" + +struct LampRen; +struct Lamp; + +class RE_BasicShadowBuffer : public RE_ShadowBuffer { + + private: + + void lrectreadRectz(int x1, int y1, int x2, int y2, char *r1); + int sizeoflampbuf(struct ShadBuf *shb); + int firstreadshadbuf(struct ShadBuf *shb, int xs, int ys, int nr); + float readshadowbuf(struct ShadBuf *shb, int xs, int ys, int zs); + float readshadowbuf_halo(struct ShadBuf *shb, int xs, int ys, int zs); + float *give_jitter_tab(int samp); + + int bias; + + public: + /** + * Make a shadow buffer from these settings + */ + RE_BasicShadowBuffer(struct LampRen *lar, float mat[][4]); + + /** + * Delete and clear this buffer + */ + virtual ~RE_BasicShadowBuffer(void); + + /** + * Calculates shadowbuffers for a vector of shadow-giving lamps + * @param lar The vector of lamps + */ + void importScene(LampRen *lar); + + /** + * Determines the shadow factor for a face and lamp. There is some + * communication with global variables here. + * @param shadres The RGB shadow factors: 1.0 for no shadow, 0.0 for complete + * shadow. There must be a float[3] to write the result to. + * @param shb The shadowbuffer to find the shadow factor in. + * @param inp The inproduct between viewvector and ? + * + */ + virtual void readShadowValue(struct ShadBuf *shb, + float inp, + float* shadowResult); + + /** + * Determines the shadow factor for lamp <lar>, between <p1> + * and <p2>. (Which CS?) + */ + float shadow_halo(LampRen *lar, float *p1, float *p2); + +}; + +#endif /* RE_BASICSHADOWBUFFER_H */ + + |