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Prevent memory corruption when using fixed texture and fast strokes with

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big spacing. Not sure if it's the best solution or it should be fixed when
calculating new areas.

It'll be cool if somebody else familiar with this area will check this.
This commit is contained in:
Sergey Sharybin 2011-03-08 20:31:45 +00:00
parent 1dc1b01c2a
commit a193b14c25
1 changed files with 6 additions and 0 deletions
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6
source/blender/blenkernel/intern/brush.c
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@ -732,6 +732,12 @@ static void brush_painter_do_partial(BrushPainter *painter, ImBuf *oldtexibuf, i
dotexold = (oldtexibuf != NULL);
/* not sure if it's actually needed or it's a mistake in coords/sizes
calculation in brush_painter_fixed_tex_partial_update(), but without this
limitation memory gets corrupted at fast strokes with quite big spacing (sergey) */
w = MIN2(w, ibuf->x);
h = MIN2(h, ibuf->y);
if (painter->cache.flt) {
for (; y < h; y++) {
bf = ibuf->rect_float + (y*ibuf->x + origx)*4;