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Fix T49324: True displacement crashes when shader returns NaN

This commit is contained in:
Sergey Sharybin 2017-05-15 15:44:09 +02:00
parent 1f96dd2e0b
commit ef8ad66aa2
Notes: blender-bot 2023-02-14 11:07:28 +01:00 
Referenced by issue #49324, Displacement > True crash blender in this file
1 changed files with 2 additions and 0 deletions
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2
intern/cycles/render/mesh_displace.cpp
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@ -169,6 +169,8 @@ bool MeshManager::displace(Device *device, DeviceScene *dscene, Scene *scene, Me
if(!done[t.v[j]]) {
done[t.v[j]] = true;
float3 off = float4_to_float3(offset[k++]);
/* Avoid illegal vertex coordinates. */
off = ensure_finite3(off);
mesh->verts[t.v[j]] += off;
if(attr_mP != NULL) {
for(int step = 0; step < mesh->motion_steps - 1; step++) {