1 files changed, 63 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/svm_stucci.h b/intern/cycles/kernel/svm/svm_stucci.h
new file mode 100644
index 00000000000..be8883b6388
--- /dev/null
+++ b/intern/cycles/kernel/svm/svm_stucci.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2011, Blender Foundation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+CCL_NAMESPACE_BEGIN
+
+/* Stucci */
+
+__device float svm_stucci(NodeStucciType type, NodeNoiseBasis basis, int hard, float turbulence, float size, float3 p)
+{
+	p /= size;
+
+	float b2 = noise_basis_hard(p, basis, hard);
+	float ofs = turbulence/200.0f;
+
+	if(type != NODE_STUCCI_PLASTIC)
+		ofs *= b2*b2;
+	
+	float r = noise_basis_hard(make_float3(p.x, p.y, p.z+ofs), basis, hard);
+
+	if(type == NODE_STUCCI_WALL_OUT)
+		r = 1.0f - r;
+	
+	return fmaxf(r, 0.0f);
+}
+
+__device void svm_node_tex_stucci(KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node, int *offset)
+{
+	uint4 node2 = read_node(kg, offset);
+
+	uint type, basis, hard;
+	uint size_offset, turbulence_offset, co_offset, fac_offset;
+
+	decode_node_uchar4(node.y, &type, &basis, &hard, NULL);
+	decode_node_uchar4(node.z, &size_offset, &turbulence_offset, &co_offset, &fac_offset);
+
+	float3 co = stack_load_float3(stack, co_offset);
+	float size = stack_load_float_default(stack, size_offset, node2.x);
+	float turbulence = stack_load_float_default(stack, turbulence_offset, node2.y);
+	size = nonzerof(size, 1e-5f);
+
+	float f = svm_stucci((NodeStucciType)type, (NodeNoiseBasis)basis, hard,
+		turbulence, size, co);
+
+	stack_store_float(stack, fac_offset, f);
+}
+
+CCL_NAMESPACE_END
+