Revision: 59544
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=59544
Author: gdh
Date: 2013-08-26 23:59:46 +0000 (Mon, 26 Aug 2013)
Log Message:
-----------
Added BVH adjustments for deformation blur in the refit_node() function.
This code is still untested. That's what I will be doing after I commit
this.
Modified Paths:
--------------
branches/soc-2013-cycles_mblur/intern/cycles/bvh/bvh.cpp
Modified: branches/soc-2013-cycles_mblur/intern/cycles/bvh/bvh.cpp
===================================================================
--- branches/soc-2013-cycles_mblur/intern/cycles/bvh/bvh.cpp 2013-08-26
23:37:08 UTC (rev 59543)
+++ branches/soc-2013-cycles_mblur/intern/cycles/bvh/bvh.cpp 2013-08-26
23:59:46 UTC (rev 59544)
@@ -645,6 +645,22 @@
bbox.grow(vpos[vidx[0]]);
bbox.grow(vpos[vidx[1]]);
bbox.grow(vpos[vidx[2]]);
+
+ /* If the mesh has deformation blur, we
need to take that into account. */
+ Attribute *attr =
mesh->attributes.find(ATTR_STD_DMOTION);
+ if (attr) {
+ size_t mesh_size =
mesh->verts.size();
+ size_t steps =
mesh->mblur_steps - 1;
+ float3 *vert_steps =
attr->data_float3();
+
+ /* Go through all of the steps
and grow the bounds
+ * for each step of the
triangle. */
+ for (size_t i = 0; i < steps;
i++) {
+ bbox.grow(vert_steps[i
* mesh_size + vidx[0]]);
+ bbox.grow(vert_steps[i
* mesh_size + vidx[1]]);
+ bbox.grow(vert_steps[i
* mesh_size + vidx[2]]);
+ }
+ }
}
}
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