Revision: 43641
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=43641
Author: mont29
Date: 2012-01-23 17:17:08 +0000 (Mon, 23 Jan 2012)
Log Message:
-----------
BMesh: Fix for previous own fix (re-enable DynamicPaint previews in Object
mode).
In fact, we have to add a CD_WEIGHT_MCOL layer (if not yet present) when
updating CD_WEIGHT_MLOOPCOL, else with modifiers modifying the topology (like
subsurf), it will sigsev.
That step should probably be done at tesselation time, though?\226?\128?\166
Modified Paths:
--------------
branches/bmesh/blender/source/blender/blenkernel/intern/DerivedMesh.c
branches/bmesh/blender/source/blender/blenkernel/intern/dynamicpaint.c
Modified: branches/bmesh/blender/source/blender/blenkernel/intern/DerivedMesh.c
===================================================================
--- branches/bmesh/blender/source/blender/blenkernel/intern/DerivedMesh.c
2012-01-23 16:46:35 UTC (rev 43640)
+++ branches/bmesh/blender/source/blender/blenkernel/intern/DerivedMesh.c
2012-01-23 17:17:08 UTC (rev 43641)
@@ -1062,8 +1062,7 @@
if (wtcol_f) {
unsigned char *wtcol_f_step = wtcol_f;
# else
- /* XXX Seems we still need to create a CD_WEIGHT_MCOL, else it sigsev...
- * Strange that we do not have that problem with DPaint VCol
preview? */
+ /* XXX We have to create a CD_WEIGHT_MCOL, else it might sigsev (after
a SubSurf mod, eg)... */
if(!dm->getTessFaceDataArray(dm, CD_WEIGHT_MCOL))
CustomData_add_layer(&dm->faceData, CD_WEIGHT_MCOL, CD_CALLOC,
NULL, numFaces);
Modified: branches/bmesh/blender/source/blender/blenkernel/intern/dynamicpaint.c
===================================================================
--- branches/bmesh/blender/source/blender/blenkernel/intern/dynamicpaint.c
2012-01-23 16:46:35 UTC (rev 43640)
+++ branches/bmesh/blender/source/blender/blenkernel/intern/dynamicpaint.c
2012-01-23 17:17:08 UTC (rev 43641)
@@ -1608,6 +1608,13 @@
MPoly *mp =
CDDM_get_polys(result);
int totpoly =
result->numPolyData;
+ /* XXX We have to
create a CD_WEIGHT_MCOL, else it might sigsev
+ * (after a SubSurf
mod, eg)... */
+
if(!result->getTessFaceDataArray(result, CD_WEIGHT_MCOL)) {
+ int numFaces =
result->getNumTessFaces(result);
+
CustomData_add_layer(&result->faceData, CD_WEIGHT_MCOL, CD_CALLOC, NULL,
numFaces);
+ }
+
/* Save preview results
to weight layer to be
* able to share same
drawing methods */
col =
CustomData_get_layer(&result->loopData, CD_WEIGHT_MLOOPCOL);
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