Cycles: svn merge -r41225:41232 ^/trunk/blender
[blender.git] / intern / cycles / kernel / osl / nodes / node_texture_coordinate.osl
1 /*
2  * Copyright 2011, Blender Foundation.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  */
18
19 #include "stdosl.h"
20
21 shader node_texture_coordinate(
22         normal Normal = N,
23         int is_background = 0,
24         string bump_offset = "center",
25
26         output point Generated = point(0.0, 0.0, 0.0),
27         output point UV = point(0.0, 0.0, 0.0),
28         output point Object = point(0.0, 0.0, 0.0),
29         output point Camera = point(0.0, 0.0, 0.0),
30         output point Window = point(0.0, 0.0, 0.0),
31         output point Reflection = point(0.0, 0.0, 0.0))
32 {
33         if(is_background) {
34                 Generated = P;
35                 UV = point(0.0, 0.0, 0.0);
36                 Object = P;
37                 point Pcam = transform("camera", "world", point(0, 0, 0));
38                 Camera = transform("camera", P + Pcam);
39                 Window = transform("NDC", P + Pcam);
40                 Reflection = I;
41         }
42         else {
43                 getattribute("std::generated", Generated); 
44                 getattribute("std::uv", UV);
45                 Object = transform("object", P);
46                 Camera = transform("camera", P);
47                 Window = transform("NDC", P);
48                 Reflection = reflect(I, Normal);
49         }
50
51         if(bump_offset == "dx") {
52                 Generated += Dx(Generated);
53                 UV += Dx(UV);
54                 Object += Dx(Object);
55                 Camera += Dx(Camera);
56                 Window += Dx(Window);
57         }
58         else if(bump_offset == "dy") {
59                 Generated += Dy(Generated);
60                 UV += Dy(UV);
61                 Object += Dy(Object);
62                 Camera += Dy(Camera);
63                 Window += Dy(Window);
64         }
65 }
66