[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [30629] trunk/blender/source/blender: Fix #22661: Multires/Sculpt Segfult
Sergey Sharybin
g.ulairi at gmail.com
Thu Jul 22 13:27:54 CEST 2010
Revision: 30629
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=30629
Author: nazgul
Date: 2010-07-22 13:27:54 +0200 (Thu, 22 Jul 2010)
Log Message:
-----------
Fix #22661: Multires/Sculpt Segfult
- Show error message in multires modifier if there is no MDISPS layer
- Sculpt on basis mesh if there is no the same layer
Modified Paths:
--------------
trunk/blender/source/blender/editors/sculpt_paint/sculpt.c
trunk/blender/source/blender/modifiers/intern/MOD_multires.c
Modified: trunk/blender/source/blender/editors/sculpt_paint/sculpt.c
===================================================================
--- trunk/blender/source/blender/editors/sculpt_paint/sculpt.c 2010-07-22 11:21:21 UTC (rev 30628)
+++ trunk/blender/source/blender/editors/sculpt_paint/sculpt.c 2010-07-22 11:27:54 UTC (rev 30629)
@@ -112,8 +112,14 @@
it's the last modifier on the stack and it is not on the first level */
struct MultiresModifierData *sculpt_multires_active(Scene *scene, Object *ob)
{
+ Mesh *me= (Mesh*)ob->data;
ModifierData *md, *nmd;
-
+
+ if(!CustomData_get_layer(&me->fdata, CD_MDISPS)) {
+ /* multires can't work without displacement layer */
+ return NULL;
+ }
+
for(md= modifiers_getVirtualModifierList(ob); md; md= md->next) {
if(md->type == eModifierType_Multires) {
MultiresModifierData *mmd= (MultiresModifierData*)md;
Modified: trunk/blender/source/blender/modifiers/intern/MOD_multires.c
===================================================================
--- trunk/blender/source/blender/modifiers/intern/MOD_multires.c 2010-07-22 11:21:21 UTC (rev 30628)
+++ trunk/blender/source/blender/modifiers/intern/MOD_multires.c 2010-07-22 11:27:54 UTC (rev 30629)
@@ -38,6 +38,8 @@
#include "BKE_paint.h"
#include "BKE_particle.h"
+#include "DNA_mesh_types.h"
+
static void initData(ModifierData *md)
{
MultiresModifierData *mmd = (MultiresModifierData*)md;
@@ -66,7 +68,16 @@
int sculpting= (ob->mode & OB_MODE_SCULPT) && ss;
MultiresModifierData *mmd = (MultiresModifierData*)md;
DerivedMesh *result;
+ Mesh *me= (Mesh*)ob->data;
+ if(mmd->totlvl) {
+ if(!CustomData_get_layer(&me->fdata, CD_MDISPS)) {
+ /* multires can't work without displacement layer */
+ modifier_setError(md, "Modifier needs mesh with displacement data.");
+ return dm;
+ }
+ }
+
result = multires_dm_create_from_derived(mmd, 0, dm, ob, useRenderParams, isFinalCalc);
if(result == dm)
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