sandey/blender
1
0
Fork 0
forked from bartvdbraak/blender
Code Pull Requests Activity

Use OpenMP threads in bm_loop_interp_mdisps

Browse Source 
Gives approx 2x speedup on my laptop on such operations
as mesh subdivision in edit mode. Desktops with fancier
CPUs could benefit even more.

Thanks Campbell for review!
This commit is contained in:
Sergey Sharybin 2013-06-11 09:14:39 +00:00
parent e969bb207d
commit e895c8302e
1 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
source/blender/bmesh/intern/bmesh_interp.c
View File

@ -432,10 +432,8 @@ static void bm_loop_flip_disp(float source_axis_x[3], float source_axis_y[3],
static void bm_loop_interp_mdisps(BMesh *bm, BMLoop *target, BMFace *source)
{
MDisps *mdisps;
BMLoop *l_iter;
BMLoop *l_first;
float x, y, d, v1[3], v2[3], v3[3], v4[3] = {0.0f, 0.0f, 0.0f}, e1[3], e2[3];
int ix, iy, res;
float d, v1[3], v2[3], v3[3], v4[3] = {0.0f, 0.0f, 0.0f}, e1[3], e2[3];
int ix, res;
float axis_x[3], axis_y[3];
/* ignore 2-edged faces */
@ -467,10 +465,15 @@ static void bm_loop_interp_mdisps(BMesh *bm, BMLoop *target, BMFace *source)
res = (int)sqrt(mdisps->totdisp);
d = 1.0f / (float)(res - 1);
for (x = 0.0f, ix = 0; ix < res; x += d, ix++) {
#pragma omp parallel for if(res > 3)
for (ix = 0; ix < res; ix++) {
float x = d * ix, y;
int iy;
for (y = 0.0f, iy = 0; iy < res; y += d, iy++) {
BMLoop *l_iter;
BMLoop *l_first;
float co1[3], co2[3], co[3];
copy_v3_v3(co1, e1);
mul_v3_fl(co1, y);