1 files changed, 91 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_mixRgb.c b/source/blender/nodes/shader/nodes/node_shader_mixRgb.c
new file mode 100644
index 00000000000..a89faa66fc0
--- /dev/null
+++ b/source/blender/nodes/shader/nodes/node_shader_mixRgb.c
@@ -0,0 +1,91 @@
+/*
+ * $Id: SHD_mixRgb.c 36593 2011-05-10 11:19:26Z lukastoenne $
+ *
+ * ***** 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): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/nodes/shader/nodes/node_shader_mixRgb.c
+ *  \ingroup shdnodes
+ */
+
+
+#include "node_shader_util.h"
+
+/* **************** MIX RGB ******************** */
+static bNodeSocketTemplate sh_node_mix_rgb_in[]= {
+	{	SOCK_FLOAT, 1, "Fac",			0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+	{	SOCK_RGBA, 1, "Color1",			0.5f, 0.5f, 0.5f, 1.0f},
+	{	SOCK_RGBA, 1, "Color2",			0.5f, 0.5f, 0.5f, 1.0f},
+	{	-1, 0, ""	}
+};
+static bNodeSocketTemplate sh_node_mix_rgb_out[]= {
+	{	SOCK_RGBA, 0, "Color"},
+	{	-1, 0, ""	}
+};
+
+static void node_shader_exec_mix_rgb(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
+{
+	/* stack order in: fac, col1, col2 */
+	/* stack order out: col */
+	float col[3];
+	float fac;
+	float vec[3];
+
+	nodestack_get_vec(&fac, SOCK_FLOAT, in[0]);
+	CLAMP(fac, 0.0f, 1.0f);
+	
+	nodestack_get_vec(col, SOCK_VECTOR, in[1]);
+	nodestack_get_vec(vec, SOCK_VECTOR, in[2]);
+
+	ramp_blend(node->custom1, col, col+1, col+2, fac, vec);
+	VECCOPY(out[0]->vec, col);
+}
+
+static int gpu_shader_mix_rgb(GPUMaterial *mat, bNode *node, GPUNodeStack *in, GPUNodeStack *out)
+{
+	static const char *names[] = {"mix_blend", "mix_add", "mix_mult", "mix_sub",
+		"mix_screen", "mix_div", "mix_diff", "mix_dark", "mix_light",
+		"mix_overlay", "mix_dodge", "mix_burn", "mix_hue", "mix_sat",
+		"mix_val", "mix_color", "mix_soft", "mix_linear"};
+
+	return GPU_stack_link(mat, names[node->custom1], in, out);
+}
+
+
+void register_node_type_sh_mix_rgb(ListBase *lb)
+{
+	static bNodeType ntype;
+
+	node_type_base(&ntype, SH_NODE_MIX_RGB, "Mix", NODE_CLASS_OP_COLOR, NODE_OPTIONS);
+	node_type_socket_templates(&ntype, sh_node_mix_rgb_in, sh_node_mix_rgb_out);
+	node_type_size(&ntype, 100, 60, 150);
+	node_type_label(&ntype, node_blend_label);
+	node_type_exec(&ntype, node_shader_exec_mix_rgb);
+	node_type_gpu(&ntype, gpu_shader_mix_rgb);
+
+	nodeRegisterType(lb, &ntype);
+}
+