1 files changed, 69 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/svm_wood.h b/intern/cycles/kernel/svm/svm_wood.h
new file mode 100644
index 00000000000..5c94a9fa3a2
--- /dev/null
+++ b/intern/cycles/kernel/svm/svm_wood.h
@@ -0,0 +1,69 @@
+/*
+ * 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
+
+/* Wood */
+
+__device float svm_wood(float3 p, float size, NodeWoodType type, NodeWaveType wave, NodeNoiseBasis basis, uint hard, float turb)
+{
+	float x = p.x;
+	float y = p.y;
+	float z = p.z;
+
+	if(type == NODE_WOOD_BANDS) {
+		return noise_wave(wave, (x + y + z)*10.0f);
+	}
+	else if(type == NODE_WOOD_RINGS) {
+		return noise_wave(wave, sqrt(x*x + y*y + z*z)*20.0f);
+	}
+	else if (type == NODE_WOOD_BAND_NOISE) {
+		float wi = turb*noise_basis_hard(p/size, basis, hard);
+		return noise_wave(wave, (x + y + z)*10.0f + wi);
+	}
+	else if (type == NODE_WOOD_RING_NOISE) {
+		float wi = turb*noise_basis_hard(p/size, basis, hard);
+		return noise_wave(wave, sqrt(x*x + y*y + z*z)*20.0f + wi);
+	}
+
+	return 0.0f;
+}
+
+__device void svm_node_tex_wood(KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node, int *offset)
+{
+	uint4 node2 = read_node(kg, offset);
+
+	uint type, wave, basis, hard;
+	uint co_offset, size_offset, turbulence_offset, fac_offset;
+
+	decode_node_uchar4(node.y, &type, &wave, &basis, &hard);
+	decode_node_uchar4(node.z, &co_offset, &size_offset, &turbulence_offset, &fac_offset);
+
+	float3 co = stack_load_float3(stack, co_offset);
+	float size = stack_load_float_default(stack, size_offset, node2.y);
+	float turbulence = stack_load_float_default(stack, turbulence_offset, node2.z);
+	size = nonzerof(size, 1e-5f);
+
+	float f = svm_wood(co, size, (NodeWoodType)type, (NodeWaveType)wave,
+		(NodeNoiseBasis)basis, hard, turbulence);
+
+	stack_store_float(stack, fac_offset, f);
+}
+
+CCL_NAMESPACE_END
+