Modifiers: tiny optimizations for mesh deform, lattice, kdop.

3 files changed, 14 insertions, 10 deletions

diff --git a/source/blender/blenkernel/intern/lattice.c b/source/blender/blenkernel/intern/lattice.c
index 381f140ecf6..0fa20f00823 100644
--- a/source/blender/blenkernel/intern/lattice.c
+++ b/source/blender/blenkernel/intern/lattice.c
@@ -420,10 +420,11 @@ void calc_latt_deform(LatticeDeformData *lattice_deform_data, float co[3], float
 	int defgrp_index = -1;
 	float co_prev[3], weight_blend = 0.0f;
 	MDeformVert *dvert = BKE_lattice_deform_verts_get(ob);
+	float *__restrict latticedata = lattice_deform_data->latticedata;
 
 
 	if (lt->editlatt) lt = lt->editlatt->latt;
-	if (lattice_deform_data->latticedata == NULL) return;
+	if (latticedata == NULL) return;
 
 	if (lt->vgroup[0] && dvert) {
 		defgrp_index = defgroup_name_index(ob, lt->vgroup);
@@ -504,7 +505,7 @@ void calc_latt_deform(LatticeDeformData *lattice_deform_data, float co[3], float
 								idx_u = idx_v;
 							}
 
-							madd_v3_v3fl(co, &lattice_deform_data->latticedata[idx_u * 3], u);
+							madd_v3_v3fl(co, &latticedata[idx_u * 3], u);
 
 							if (defgrp_index != -1)
 								weight_blend += (u * defvert_find_weight(dvert + idx_u, defgrp_index));
diff --git a/source/blender/blenlib/intern/BLI_kdopbvh.c b/source/blender/blenlib/intern/BLI_kdopbvh.c
index b3adf3106c1..c6daae97688 100644
--- a/source/blender/blenlib/intern/BLI_kdopbvh.c
+++ b/source/blender/blenlib/intern/BLI_kdopbvh.c
@@ -513,25 +513,27 @@ static void create_kdop_hull(const BVHTree *tree, BVHNode *node, const float *co
 }
 
 /**
- * \note depends on the fact that the BVH's for each face is already build
+ * \note depends on the fact that the BVH's for each face is already built
  */
 static void refit_kdop_hull(const BVHTree *tree, BVHNode *node, int start, int end)
 {
 	float newmin, newmax;
-	float *bv = node->bv;
+	float *__restrict bv = node->bv;
 	int j;
 	axis_t axis_iter;
 
 	node_minmax_init(tree, node);
 
 	for (j = start; j < end; j++) {
+		float *__restrict node_bv = tree->nodes[j]->bv;
+
 		/* for all Axes. */
 		for (axis_iter = tree->start_axis; axis_iter < tree->stop_axis; axis_iter++) {
-			newmin = tree->nodes[j]->bv[(2 * axis_iter)];
+			newmin = node_bv[(2 * axis_iter)];
 			if ((newmin < bv[(2 * axis_iter)]))
 				bv[(2 * axis_iter)] = newmin;
 
-			newmax = tree->nodes[j]->bv[(2 * axis_iter) + 1];
+			newmax = node_bv[(2 * axis_iter) + 1];
 			if ((newmax > bv[(2 * axis_iter) + 1]))
 				bv[(2 * axis_iter) + 1] = newmax;
 		}
diff --git a/source/blender/modifiers/intern/MOD_meshdeform.c b/source/blender/modifiers/intern/MOD_meshdeform.c
index 0cd73d0ca16..4fe8942a194 100644
--- a/source/blender/modifiers/intern/MOD_meshdeform.c
+++ b/source/blender/modifiers/intern/MOD_meshdeform.c
@@ -225,8 +225,8 @@ static void meshdeform_vert_task(
 	const MDeformVert *dvert = data->dvert;
 	const int defgrp_index = data->defgrp_index;
 	const int *offsets = mmd->bindoffsets;
-	const MDefInfluence *influences = mmd->bindinfluences;
-	/*const*/ float (*dco)[3] = data->dco;
+	const MDefInfluence *__restrict influences = mmd->bindinfluences;
+	/*const*/ float (*__restrict dco)[3] = data->dco;
 	float (*vertexCos)[3] = data->vertexCos;
 	float co[3];
 	float weight, totweight, fac = 1.0f;
@@ -253,11 +253,12 @@ static void meshdeform_vert_task(
 		totweight = meshdeform_dynamic_bind(mmd, dco, co);
 	}
 	else {
-		int a;
 		totweight = 0.0f;
 		zero_v3(co);
+		int start = offsets[iter];
+		int end = offsets[iter + 1];
 
-		for (a = offsets[iter]; a < offsets[iter + 1]; a++) {
+		for (int a = start; a < end; a++) {
 			weight = influences[a].weight;
 			madd_v3_v3fl(co, dco[influences[a].vertex], weight);
 			totweight += weight;