diff options
Diffstat (limited to 'source/blender')
-rw-r--r-- | source/blender/blenkernel/intern/navmesh_conversion.c | 3 | ||||
-rw-r--r-- | source/blender/blenkernel/intern/particle_system.c | 21 | ||||
-rw-r--r-- | source/blender/blenlib/BLI_sort.h | 41 | ||||
-rw-r--r-- | source/blender/blenlib/CMakeLists.txt | 2 | ||||
-rw-r--r-- | source/blender/blenlib/intern/sort.c | 160 |
5 files changed, 215 insertions, 12 deletions
diff --git a/source/blender/blenkernel/intern/navmesh_conversion.c b/source/blender/blenkernel/intern/navmesh_conversion.c index 1d662ae3116..68564a1e298 100644 --- a/source/blender/blenkernel/intern/navmesh_conversion.c +++ b/source/blender/blenkernel/intern/navmesh_conversion.c @@ -38,6 +38,7 @@ #include "BLI_utildefines.h" #include "BLI_math.h" +#include "BLI_sort.h" #include "BKE_navmesh_conversion.h" #include "BKE_cdderivedmesh.h" @@ -340,7 +341,7 @@ int buildNavMeshData(const int nverts, const float *verts, trisMapping[i] = i; context.recastData = recastData; context.trisToFacesMap = trisToFacesMap; - recast_qsort(trisMapping, ntris, sizeof(int), &context, compareByData); + BLI_qsort_r(trisMapping, ntris, sizeof(int), &context, compareByData); /* search first valid triangle - triangle of convex polygon */ validTriStart = -1; diff --git a/source/blender/blenkernel/intern/particle_system.c b/source/blender/blenkernel/intern/particle_system.c index ee3f3332ec3..8cb9404a647 100644 --- a/source/blender/blenkernel/intern/particle_system.c +++ b/source/blender/blenkernel/intern/particle_system.c @@ -70,6 +70,7 @@ #include "BLI_blenlib.h" #include "BLI_kdtree.h" #include "BLI_kdopbvh.h" +#include "BLI_sort.h" #include "BLI_threads.h" #include "BLI_linklist.h" @@ -1010,12 +1011,11 @@ static void *distribute_threads_exec_cb(void *data) return 0; } -/* not thread safe, but qsort doesn't take userdata argument */ -static int *COMPARE_ORIG_INDEX = NULL; -static int distribute_compare_orig_index(const void *p1, const void *p2) +static int distribute_compare_orig_index(void *user_data, const void *p1, const void *p2) { - int index1 = COMPARE_ORIG_INDEX[*(const int *)p1]; - int index2 = COMPARE_ORIG_INDEX[*(const int *)p2]; + int *orig_index = (int *) user_data; + int index1 = orig_index[*(const int *)p1]; + int index2 = orig_index[*(const int *)p2]; if (index1 < index2) return -1; @@ -1332,20 +1332,19 @@ static int distribute_threads_init_data(ParticleThread *threads, Scene *scene, D /* For hair, sort by origindex (allows optimization's in rendering), */ /* however with virtual parents the children need to be in random order. */ if (part->type == PART_HAIR && !(part->childtype==PART_CHILD_FACES && part->parents!=0.0f)) { - COMPARE_ORIG_INDEX = NULL; + int *orig_index = NULL; if (from == PART_FROM_VERT) { if (dm->numVertData) - COMPARE_ORIG_INDEX= dm->getVertDataArray(dm, CD_ORIGINDEX); + orig_index = dm->getVertDataArray(dm, CD_ORIGINDEX); } else { if (dm->numTessFaceData) - COMPARE_ORIG_INDEX= dm->getTessFaceDataArray(dm, CD_ORIGINDEX); + orig_index = dm->getTessFaceDataArray(dm, CD_ORIGINDEX); } - if (COMPARE_ORIG_INDEX) { - qsort(particle_element, totpart, sizeof(int), distribute_compare_orig_index); - COMPARE_ORIG_INDEX = NULL; + if (orig_index) { + BLI_qsort_r(particle_element, totpart, sizeof(int), orig_index, distribute_compare_orig_index); } } diff --git a/source/blender/blenlib/BLI_sort.h b/source/blender/blenlib/BLI_sort.h new file mode 100644 index 00000000000..9e533aac758 --- /dev/null +++ b/source/blender/blenlib/BLI_sort.h @@ -0,0 +1,41 @@ +/* + * ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2013 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): Benoit Bolsee, + * Sergey Sharybin. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#ifndef __BLI_SORT_H__ +#define __BLI_SORT_H__ + +/** \file BLI_sort.h + * \ingroup bli + */ + +/* Quick sort reentrant */ +typedef int (*BLI_sort_cmp_t)(void *ctx, const void *a, const void *b); + +void BLI_qsort_r(void *a, size_t n, size_t es, void *thunk, BLI_sort_cmp_t cmp); + +#endif /* __BLI_SORT_H__ */ diff --git a/source/blender/blenlib/CMakeLists.txt b/source/blender/blenlib/CMakeLists.txt index 8b604e41824..70665521ca8 100644 --- a/source/blender/blenlib/CMakeLists.txt +++ b/source/blender/blenlib/CMakeLists.txt @@ -86,6 +86,7 @@ set(SRC intern/rct.c intern/scanfill.c intern/smallhash.c + intern/sort.c intern/stack.c intern/storage.c intern/string.c @@ -147,6 +148,7 @@ set(SRC BLI_rect.h BLI_scanfill.h BLI_smallhash.h + BLI_sort.h BLI_stack.h BLI_string.h BLI_string_cursor_utf8.h diff --git a/source/blender/blenlib/intern/sort.c b/source/blender/blenlib/intern/sort.c new file mode 100644 index 00000000000..5ba608e5ec2 --- /dev/null +++ b/source/blender/blenlib/intern/sort.c @@ -0,0 +1,160 @@ +/* + * ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2013 Blender Foundation + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): Benoit Bolsee, + * Sergey Sharybin. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/blenlib/intern/sort.c + * \ingroup bli + */ + +#include "BLI_utildefines.h" + +#include "BLI_sort.h" + +/* **** qsort based on FreeBSD source (libkern\qsort.c) **** */ +BLI_INLINE char *med3(char *, char *, char *, BLI_sort_cmp_t, void *); +BLI_INLINE void swapfunc(char *, char *, int, int); + +#define min(a, b) (a) < (b) ? a : b +#define swapcode(TYPE, parmi, parmj, n) \ +{ \ + long i = (n) / sizeof(TYPE); \ + TYPE *pi = (TYPE *) (parmi); \ + TYPE *pj = (TYPE *) (parmj); \ + do { \ + TYPE t = *pi; \ + *pi++ = *pj; \ + *pj++ = t; \ + } while (--i > 0); \ +} +#define SWAPINIT(a, es) swaptype = ((char *)a - (char *)0) % sizeof(long) || \ + es % sizeof(long) ? 2 : es == sizeof(long)? 0 : 1; + +BLI_INLINE void swapfunc(char* a, char* b, int n, int swaptype) +{ + if(swaptype <= 1) + swapcode(long, a, b, n) + else + swapcode(char, a, b, n) +} + +#define swap(a, b) \ + if (swaptype == 0) { \ + long t = *(long *)(a); \ + *(long *)(a) = *(long *)(b);\ + *(long *)(b) = t; \ + } else \ + swapfunc(a, b, es, swaptype) + +#define vecswap(a, b, n) if ((n) > 0) swapfunc(a, b, n, swaptype) +#define CMP(t, x, y) (cmp((t), (x), (y))) + +BLI_INLINE char *med3(char *a, char *b, char *c, BLI_sort_cmp_t cmp, void *thunk) +{ + return CMP(thunk, a, b) < 0 ? + (CMP(thunk, b, c) < 0 ? b : (CMP(thunk, a, c) < 0 ? c : a )) + :(CMP(thunk, b, c) > 0 ? b : (CMP(thunk, a, c) < 0 ? a : c )); +} + +void BLI_qsort_r(void *a, size_t n, size_t es, void *thunk, BLI_sort_cmp_t cmp) +{ + char *pa, *pb, *pc, *pd, *pl, *pm, *pn; + int d, r, swaptype, swap_cnt; + +loop: + SWAPINIT(a, es); + swap_cnt = 0; + if (n < 7) { + for (pm = (char *)a + es; pm < (char *)a + n * es; pm += es) + for (pl = pm; + pl > (char *)a && CMP(thunk, pl - es, pl) > 0; + pl -= es) + swap(pl, pl - es); + return; + } + pm = (char *)a + (n / 2) * es; + if (n > 7) { + pl = (char *)a; + pn = (char *)a + (n - 1) * es; + if (n > 40) { + d = (n / 8) * es; + pl = med3(pl, pl + d, pl + 2 * d, cmp, thunk); + pm = med3(pm - d, pm, pm + d, cmp, thunk); + pn = med3(pn - 2 * d, pn - d, pn, cmp, thunk); + } + pm = med3(pl, pm, pn, cmp, thunk); + } + swap((char *)a, pm); + pa = pb = (char *)a + es; + + pc = pd = (char *)a + (n - 1) * es; + for (;;) { + while (pb <= pc && (r = CMP(thunk, pb, a)) <= 0) { + if (r == 0) { + swap_cnt = 1; + swap(pa, pb); + pa += es; + } + pb += es; + } + while (pb <= pc && (r = CMP(thunk, pc, a)) >= 0) { + if (r == 0) { + swap_cnt = 1; + swap(pc, pd); + pd -= es; + } + pc -= es; + } + if (pb > pc) + break; + swap(pb, pc); + swap_cnt = 1; + pb += es; + pc -= es; + } + if (swap_cnt == 0) { /* Switch to insertion sort */ + for (pm = (char *)a + es; pm < (char *)a + n * es; pm += es) + for (pl = pm; + pl > (char *)a && CMP(thunk, pl - es, pl) > 0; + pl -= es) + swap(pl, pl - es); + return; + } + + pn = (char *)a + n * es; + r = min(pa - (char *)a, pb - pa); + vecswap((char *)a, pb - r, r); + r = min(pd - pc, pn - pd - es); + vecswap(pb, pn - r, r); + if ((r = pb - pa) > es) + BLI_qsort_r(a, r / es, es, thunk, cmp); + if ((r = pd - pc) > es) { + /* Iterate rather than recurse to save stack space */ + a = pn - r; + n = r / es; + goto loop; + } +} |