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Fix for redraw issues when making fast strokes with grab tool in sculpt mode

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Join redraw rectangles from previous step and current during one stroke
and reset previous rectangle when stroke is finished. This shouldn't cause problems
with viewport changes during the sculpt session and this should emulate
object boundbox merging for states "before step" and "after step".

At leastm it's more logical because boundbox could not only grow up during
stroke, but it could also shrink down.
This commit is contained in:
Sergey Sharybin 2011-04-04 15:15:45 +00:00
parent 25976b7b87
commit e8ea4411f8
1 changed files with 8 additions and 6 deletions
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14
source/blender/editors/sculpt_paint/sculpt.c
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@ -263,6 +263,8 @@ typedef struct StrokeCache {
int alt_smooth;
float plane_trim_squared;
rcti previous_r; /* previous redraw rectangle */
} StrokeCache;
/*** BVH Tree ***/
@ -3403,19 +3405,19 @@ static void sculpt_flush_update(bContext *C)
BLI_pbvh_update(ss->pbvh, PBVH_UpdateBB, NULL);
if (sculpt_get_redraw_rect(ar, CTX_wm_region_view3d(C), ob, &r)) {
//rcti tmp;
r.xmin += ar->winrct.xmin + 1;
r.xmax += ar->winrct.xmin - 1;
r.ymin += ar->winrct.ymin + 1;
r.ymax += ar->winrct.ymin - 1;
//tmp = r;
if (ss->cache) {
rcti tmp = r;
//if (!BLI_rcti_is_empty(&ss->previous_r))
// BLI_union_rcti(&r, &ss->previous_r);
if (!BLI_rcti_is_empty(&ss->cache->previous_r))
BLI_union_rcti(&r, &ss->cache->previous_r);
//ss->previous_r= tmp;
ss->cache->previous_r= tmp;
}
ss->partial_redraw = 1;
ED_region_tag_redraw_partial(ar, &r);