Cycles microdisplacement: Move call to tessellate() from addon to Cycles

By calling `tessellate()` from the mesh manager in Cycles we can do pre/post
processing or even threaded tessellation without concerning client side code
with the details.

1 files changed, 4 insertions, 5 deletions

diff --git a/intern/cycles/blender/blender_mesh.cpp b/intern/cycles/blender/blender_mesh.cpp
index 6dc26c2981b..c33bc4c263f 100644
--- a/intern/cycles/blender/blender_mesh.cpp
+++ b/intern/cycles/blender/blender_mesh.cpp
@@ -806,7 +806,10 @@ static void create_subd_mesh(Scene *scene,
 	}
 
 	/* set subd params */
-	SubdParams sdparams(mesh);
+	if(!mesh->subd_params) {
+		mesh->subd_params = new SubdParams(mesh);
+	}
+	SubdParams& sdparams = *mesh->subd_params;
 
 	PointerRNA cobj = RNA_pointer_get(&b_ob.ptr, "cycles");
 
@@ -816,10 +819,6 @@ static void create_subd_mesh(Scene *scene,
 	scene->camera->update();
 	sdparams.camera = scene->camera;
 	sdparams.objecttoworld = get_transform(b_ob.matrix_world());
-
-	/* tesselate */
-	DiagSplit dsplit(sdparams);
-	mesh->tessellate(&dsplit);
 }
 
 /* Sync */