diff options
Diffstat (limited to 'source/blender/render/intern/include/zbuf_int.h')
| -rw-r--r-- | source/blender/render/intern/include/zbuf_int.h | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/source/blender/render/intern/include/zbuf_int.h b/source/blender/render/intern/include/zbuf_int.h deleted file mode 100644 index 59a394d2908..00000000000 --- a/source/blender/render/intern/include/zbuf_int.h +++ /dev/null @@ -1,197 +0,0 @@ -/* - * zbuf_int.h - * internal interface for zbuf.h (ie. functions that are not used - * anywhere else) - * - * $Id$ - * - * ***** 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 ZBUF_INT_H -#define ZBUF_INT_H - -#include "render_types.h" -#include "zbuf_types.h" - -/** - * Convert a homogenous coordinate to a z buffer coordinate. The - * function makes use of Zmulx, Zmuly, the x and y scale factors for - * the screen, and Zjitx, Zjity, the pixel offset. (These are declared - * in render.c) The normalised z coordinate must fall on [0, 1]. - * @param zco [3, 4 floats] pointer to the resulting z buffer coordinate - * @param hoco [4 floats] pointer to the homogenous coordinate of the - * vertex in world space. - */ -void hoco_to_zco(float *zco, float *hoco); - -/** - * Fill the z buffer for alpha? - * - * This is one of the z buffer fill functions called in zbufclip() and - * zbufwireclip(). - * - * @param v1 [4 floats, world coordinates] first vertex - * @param v2 [4 floats, world coordinates] second vertex - * @param v3 [4 floats, world coordinates] third vertex - */ -void zbufinvulAc(float *v1, float *v2, float *v3); - -/** - * Fill the z buffer, but invert z order, and add the face index to - * the corresponing face buffer. - * - * This is one of the z buffer fill functions called in zbufclip() and - * zbufwireclip(). - * - * @param v1 [4 floats, world coordinates] first vertex - * @param v2 [4 floats, world coordinates] second vertex - * @param v3 [4 floats, world coordinates] third vertex - */ -void zbufinvulGLinv(float *v1, float *v2, float *v3); - -/** - * Fill the z buffer, and add the face index to - * the corresponing face buffer. Writes into R.rectz and R.rectot. It - * assumes that Zvlnr is set to the face index of the face under - * consideration. Zvlnr is written into R.rectot. R.rectz - * - * This is one of the z buffer fill functions called in zbufclip() and - * zbufwireclip(). - * - * @param v1 [4 floats, world coordinates] first vertex - * @param v2 [4 floats, world coordinates] second vertex - * @param v3 [4 floats, world coordinates] third vertex - */ -void zbufinvulGL(float *v1, float *v2, float *v3); - -/** - * Fill the z buffer. The face buffer is not operated on! - * - * This is one of the z buffer fill functions called in zbufclip() and - * zbufwireclip(). - * - * @param v1 [4 floats, world coordinates] first vertex - * @param v2 [4 floats, world coordinates] second vertex - * @param v3 [4 floats, world coordinates] third vertex - */ -void zbufinvulGL_onlyZ(float *v1, float *v2, float *v3); - -/** - * Prints 3 unlabelled floating point values to stdout. Used for diagnostics. - * @param v1 any float - * @param v2 any float - * @param v3 any float - */ -void print3floats(float *v1, float *v2, float *v3); - -/** - * Checks labda and uses this to make decision about clipping the line - * segment from v1 to v2. labda is the factor by which the vector is - * cut. ( calculate s + l * ( t - s )). The result is appended to the - * vertex list of this face. - * Note: uses globals. - * (arguments: one int, one pointer to int... why?) - * @param v1 start coordinate s - * @param v2 target coordinate t - * @param b1 - * @param b2 - * @param clve vertex vector. - */ -static void maakvertpira(float *v1, float *v2, int *b1, int b2, int *clve); - -/** - * Sets labda: flag, and parametrize the clipping of vertices in - * viewspace coordinates. labda = -1 means no clipping, labda in [0, - * 1] means a clipping. - * Note: uses globals. - * @param v1 start coordinate s - * @param v2 target coordinate t - * @param b1 - * @param b2 - * @param b3 - * @param a index for coordinate (x, y, or z) - */ -static void clipp(float *v1, float *v2, int b1, int *b2, int *b3, int a); - -/** - * Tests whether this coordinate is 'inside' or 'outside' of the view - * volume? By definition, this is in [0, 1]. - * @param p vertex z difference plus coordinate difference? - * @param q origin z plus r minus some coordinate? - * @param u1 [in/out] clip fraction for ? - * @param u2 [in/out] - * @return 0 if point is outside, or 1 if the point lies on the clip - * boundary - */ -static short cliptestf(float p, float q, float *u1, float *u2); - - -/* not documented yet */ -/* not sure if these should stay static... */ - -static int clipline(float *v1, float *v2); - -/** - * Provide book-keeping for the z buffer data lists. - */ -APixstr *addpsmainA(void); -void freepsA(void); -APixstr *addpsA(void); - -/** - * Fill function for the z buffer (fills lines) - */ -void zbuflineAc(float *vec1, float *vec2); -void zbufline(float *vec1, float *vec2); - - -/** - * Copy results from the solid face z buffering to the transparent - * buffer. - */ -void copyto_abufz(int sample); - -/** - * Do accumulation z buffering. - */ -void zbuffer_abuf(void); - -/** - * Shade this face at this location in SCS. - */ -void shadetrapixel(float x, float y, int vlak, int mask, unsigned short *shortcol); - -/** - * Determine the distance to the camera of this halo, in ZCS. - */ -unsigned int calcHaloDist(HaloRen *har); - -#endif /* ZBUF_INT_H */ - |