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Fix T79769, T79768: crash tweaking volume settings with Cycles viewport render 

Refitting the BVH does not work in this case, it needs to be fully rebuilt.
This commit is contained in:
Brecht Van Lommel 2020-08-14 13:41:42 +02:00
parent cb578ca104
commit 690d76c624
Notes: blender-bot 2023-02-14 05:53:42 +01:00 
Referenced by issue #79768, Viewport shading in Cycles rendered mode and multiple changes in VDB Clipping causes crash
Referenced by issue #79769, Viewport shading in Cycles rendered mode with VDB object in scene and change VDB cache frame causes crash. (Blender 2.90.0 Beta)
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intern/cycles/render/mesh_volume.cpp
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@ -540,6 +540,7 @@ void GeometryManager::create_volume_mesh(Mesh *mesh, Progress &progress)
mesh->clear(true);
mesh->reserve_mesh(vertices.size(), indices.size() / 3);
mesh->used_shaders.push_back(volume_shader);
mesh->need_update_rebuild = true;
for (size_t i = 0; i < vertices.size(); ++i) {
mesh->add_vertex(vertices[i]);