1 files changed, 114 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/svm_magic.h b/intern/cycles/kernel/svm/svm_magic.h
new file mode 100644
index 00000000000..65d37937e1e
--- /dev/null
+++ b/intern/cycles/kernel/svm/svm_magic.h
@@ -0,0 +1,114 @@
+/*
+ * 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
+
+/* Magic */
+
+__device_noinline float3 svm_magic(float3 p, int n, float distortion)
+{
+	float x = sinf((p.x + p.y + p.z)*5.0f);
+	float y = cosf((-p.x + p.y - p.z)*5.0f);
+	float z = -cosf((-p.x - p.y + p.z)*5.0f);
+
+	if(n > 0) {
+		x *= distortion;
+		y *= distortion;
+		z *= distortion;
+		y = -cosf(x-y+z);
+		y *= distortion;
+
+		if(n > 1) {
+			x= cosf(x-y-z);
+			x *= distortion;
+
+			if(n > 2) {
+				z= sinf(-x-y-z);
+				z *= distortion;
+
+				if(n > 3) {
+					x= -cosf(-x+y-z);
+					x *= distortion;
+
+					if(n > 4) {
+						y= -sinf(-x+y+z);
+						y *= distortion;
+
+						if(n > 5) {
+							y= -cosf(-x+y+z);
+							y *= distortion;
+
+							if(n > 6) {
+								x= cosf(x+y+z);
+								x *= distortion;
+
+								if(n > 7) {
+									z= sinf(x+y-z);
+									z *= distortion;
+
+									if(n > 8) {
+										x= -cosf(-x-y+z);
+										x *= distortion;
+
+										if(n > 9) {
+											y= -sinf(x-y+z);
+											y *= distortion;
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+
+	if(distortion != 0.0f) {
+		distortion *= 2.0f;
+		x /= distortion;
+		y /= distortion;
+		z /= distortion;
+	}
+
+	return make_float3(0.5f - x, 0.5f - y, 0.5f - z);
+}
+
+__device void svm_node_tex_magic(KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node, int *offset)
+{
+	uint depth;
+	uint scale_offset, distortion_offset, co_offset, fac_offset, color_offset;
+
+	decode_node_uchar4(node.y, &depth, &color_offset, &fac_offset, NULL);
+	decode_node_uchar4(node.z, &co_offset, &scale_offset, &distortion_offset, NULL);
+
+	uint4 node2 = read_node(kg, offset);
+	float3 co = stack_load_float3(stack, co_offset);
+	float scale = stack_load_float_default(stack, scale_offset, node2.x);
+	float distortion = stack_load_float_default(stack, distortion_offset, node2.y);
+
+	float3 color = svm_magic(co*scale, depth, distortion);
+
+	if(stack_valid(fac_offset))
+		stack_store_float(stack, fac_offset, average(color));
+	if(stack_valid(color_offset))
+		stack_store_float3(stack, color_offset, color);
+}
+
+CCL_NAMESPACE_END
+