1 /*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public License
4 * as published by the Free Software Foundation; either version 2
5 * of the License, or (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software Foundation,
14 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
15 *
16 * The Original Code is Copyright (C) 2005 Blender Foundation.
17 * All rights reserved.
18 */
19
20 /** \file
21 * \ingroup texnodes
22 */
23
24 #include "NOD_texture.h"
25 #include "node_texture_util.h"
26 #include <math.h>
27
28 static bNodeSocketTemplate inputs[] = {
29 {SOCK_RGBA, N_("Color"), 0.0f, 0.0f, 0.0f, 1.0f},
30 {-1, ""},
31 };
32 static bNodeSocketTemplate outputs[] = {
33 {SOCK_FLOAT, N_("Red")},
34 {SOCK_FLOAT, N_("Green")},
35 {SOCK_FLOAT, N_("Blue")},
36 {SOCK_FLOAT, N_("Alpha")},
37 {-1, ""},
38 };
39
valuefn_r(float * out,TexParams * p,bNode * UNUSED (node),bNodeStack ** in,short thread)40 static void valuefn_r(float *out, TexParams *p, bNode *UNUSED(node), bNodeStack **in, short thread)
41 {
42 tex_input_rgba(out, in[0], p, thread);
43 *out = out[0];
44 }
45
valuefn_g(float * out,TexParams * p,bNode * UNUSED (node),bNodeStack ** in,short thread)46 static void valuefn_g(float *out, TexParams *p, bNode *UNUSED(node), bNodeStack **in, short thread)
47 {
48 tex_input_rgba(out, in[0], p, thread);
49 *out = out[1];
50 }
51
valuefn_b(float * out,TexParams * p,bNode * UNUSED (node),bNodeStack ** in,short thread)52 static void valuefn_b(float *out, TexParams *p, bNode *UNUSED(node), bNodeStack **in, short thread)
53 {
54 tex_input_rgba(out, in[0], p, thread);
55 *out = out[2];
56 }
57
valuefn_a(float * out,TexParams * p,bNode * UNUSED (node),bNodeStack ** in,short thread)58 static void valuefn_a(float *out, TexParams *p, bNode *UNUSED(node), bNodeStack **in, short thread)
59 {
60 tex_input_rgba(out, in[0], p, thread);
61 *out = out[3];
62 }
63
exec(void * data,int UNUSED (thread),bNode * node,bNodeExecData * execdata,bNodeStack ** in,bNodeStack ** out)64 static void exec(void *data,
65 int UNUSED(thread),
66 bNode *node,
67 bNodeExecData *execdata,
68 bNodeStack **in,
69 bNodeStack **out)
70 {
71 tex_output(node, execdata, in, out[0], &valuefn_r, data);
72 tex_output(node, execdata, in, out[1], &valuefn_g, data);
73 tex_output(node, execdata, in, out[2], &valuefn_b, data);
74 tex_output(node, execdata, in, out[3], &valuefn_a, data);
75 }
76
register_node_type_tex_decompose(void)77 void register_node_type_tex_decompose(void)
78 {
79 static bNodeType ntype;
80
81 tex_node_type_base(&ntype, TEX_NODE_DECOMPOSE, "Separate RGBA", NODE_CLASS_OP_COLOR, 0);
82 node_type_socket_templates(&ntype, inputs, outputs);
83 node_type_exec(&ntype, NULL, NULL, exec);
84
85 nodeRegisterType(&ntype);
86 }
87