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Diffstat (limited to 'source/blender/render/intern/include/shadowBuffer.h')
-rw-r--r-- | source/blender/render/intern/include/shadowBuffer.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/source/blender/render/intern/include/shadowBuffer.h b/source/blender/render/intern/include/shadowBuffer.h new file mode 100644 index 00000000000..4df95c20674 --- /dev/null +++ b/source/blender/render/intern/include/shadowBuffer.h @@ -0,0 +1,79 @@ +/** + * $Id$ + * + * ***** 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 SHADOWBUFFER_H +#define SHADOWBUFFER_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef RE_SHADOWBUFFERHANDLE +#define RE_SHADOWBUFFERHANDLE +#define RE_DECLARE_HANDLE(name) typedef struct name##__ { int unused; } *name +RE_DECLARE_HANDLE(RE_ShadowBufferHandle); +#endif + + struct ShadBuf; + struct LampRen; + +/** + * Calculates shadowbuffers for a vector of shadow-giving lamps + * @param lar The vector of lamps + * @returns a handle to the buffer + */ + extern void RE_buildShadowBuffer(RE_ShadowBufferHandle dsbh, + struct LampRen *lar); + +/** + * Determines the shadow factor for a face and lamp. There is some + * communication with global variables here? Should be made explicit... + * @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 ? + * + */ + void RE_testshadowbuf(RE_ShadowBufferHandle dsbh, + struct ShadBuf* shbp, + float inp, + float* shadres); + +/** + * Determines a shadow factor for halo-shadows. + */ + +#ifdef __cplusplus +} +#endif + +#endif /* SHADOWBUFFER_H */ |