1 files changed, 92 insertions, 0 deletions
diff --git a/source/blender/nodes/texture/nodes/node_texture_decompose.c b/source/blender/nodes/texture/nodes/node_texture_decompose.c
new file mode 100644
index 00000000000..312765f866e
--- /dev/null
+++ b/source/blender/nodes/texture/nodes/node_texture_decompose.c
@@ -0,0 +1,92 @@
+/*
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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.
+ *
+ * The Original Code is Copyright (C) 2005 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Robin Allen
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/nodes/texture/nodes/node_texture_decompose.c
+ *  \ingroup texnodes
+ */
+
+
+#include "node_texture_util.h"        
+#include "NOD_texture.h"
+#include <math.h>
+
+static bNodeSocketTemplate inputs[]= {
+	{ SOCK_RGBA, 1, "Color", 0.0f, 0.0f, 0.0f, 1.0f },
+	{ -1, 0, "" }
+};
+static bNodeSocketTemplate outputs[]= {
+	{ SOCK_FLOAT, 0, "Red" },
+	{ SOCK_FLOAT, 0, "Green" },
+	{ SOCK_FLOAT, 0, "Blue" },
+	{ SOCK_FLOAT, 0, "Alpha" },
+	{ -1, 0, "" }
+};
+
+static void valuefn_r(float *out, TexParams *p, bNode *UNUSED(node), bNodeStack **in, short thread)
+{
+	tex_input_rgba(out, in[0], p, thread);
+	*out = out[0];
+}
+
+static void valuefn_g(float *out, TexParams *p, bNode *UNUSED(node), bNodeStack **in, short thread)
+{
+	tex_input_rgba(out, in[0], p, thread);
+	*out = out[1];
+}
+
+static void valuefn_b(float *out, TexParams *p, bNode *UNUSED(node), bNodeStack **in, short thread)
+{
+	tex_input_rgba(out, in[0], p, thread);
+	*out = out[2];
+}
+
+static void valuefn_a(float *out, TexParams *p, bNode *UNUSED(node), bNodeStack **in, short thread)
+{
+	tex_input_rgba(out, in[0], p, thread);
+	*out = out[3];
+}
+
+static void exec(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
+{
+	tex_output(node, in, out[0], &valuefn_r, data);
+	tex_output(node, in, out[1], &valuefn_g, data);
+	tex_output(node, in, out[2], &valuefn_b, data);
+	tex_output(node, in, out[3], &valuefn_a, data);
+}
+
+void register_node_type_tex_decompose(ListBase *lb)
+{
+	static bNodeType ntype;
+	
+	node_type_base(&ntype, TEX_NODE_DECOMPOSE, "Decompose RGBA", NODE_CLASS_OP_COLOR, 0);
+	node_type_socket_templates(&ntype, inputs, outputs);
+	node_type_size(&ntype, 100, 60, 150);
+	node_type_exec(&ntype, exec);
+	
+	nodeRegisterType(lb, &ntype);
+}