1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*
* 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) 2013 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup shdnodes
*/
#include "../node_shader_util.h"
namespace blender::nodes::node_shader_vector_transform_cc {
/* **************** Vector Transform ******************** */
static bNodeSocketTemplate sh_node_vect_transform_in[] = {
{SOCK_VECTOR, N_("Vector"), 0.5f, 0.5f, 0.5f, 1.0f, -10000.0f, 10000.0f, PROP_NONE}, {-1, ""}};
static bNodeSocketTemplate sh_node_vect_transform_out[] = {
{SOCK_VECTOR, N_("Vector")},
{-1, ""},
};
static void node_shader_init_vect_transform(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeShaderVectTransform *vect = MEM_cnew<NodeShaderVectTransform>("NodeShaderVectTransform");
/* Convert World into Object Space per default */
vect->convert_to = 1;
node->storage = vect;
}
static void node_shader_exec_vect_transform(void *UNUSED(data),
int UNUSED(thread),
bNode *UNUSED(node),
bNodeExecData *UNUSED(execdata),
bNodeStack **UNUSED(in),
bNodeStack **UNUSED(out))
{
}
static GPUNodeLink *get_gpulink_matrix_from_to(short from, short to)
{
switch (from) {
case SHD_VECT_TRANSFORM_SPACE_OBJECT:
switch (to) {
case SHD_VECT_TRANSFORM_SPACE_OBJECT:
return nullptr;
case SHD_VECT_TRANSFORM_SPACE_WORLD:
return GPU_builtin(GPU_OBJECT_MATRIX);
case SHD_VECT_TRANSFORM_SPACE_CAMERA:
return GPU_builtin(GPU_LOC_TO_VIEW_MATRIX);
}
break;
case SHD_VECT_TRANSFORM_SPACE_WORLD:
switch (to) {
case SHD_VECT_TRANSFORM_SPACE_WORLD:
return nullptr;
case SHD_VECT_TRANSFORM_SPACE_CAMERA:
return GPU_builtin(GPU_VIEW_MATRIX);
case SHD_VECT_TRANSFORM_SPACE_OBJECT:
return GPU_builtin(GPU_INVERSE_OBJECT_MATRIX);
}
break;
case SHD_VECT_TRANSFORM_SPACE_CAMERA:
switch (to) {
case SHD_VECT_TRANSFORM_SPACE_CAMERA:
return nullptr;
case SHD_VECT_TRANSFORM_SPACE_WORLD:
return GPU_builtin(GPU_INVERSE_VIEW_MATRIX);
case SHD_VECT_TRANSFORM_SPACE_OBJECT:
return GPU_builtin(GPU_INVERSE_LOC_TO_VIEW_MATRIX);
}
break;
}
return nullptr;
}
static int gpu_shader_vect_transform(GPUMaterial *mat,
bNode *node,
bNodeExecData *UNUSED(execdata),
GPUNodeStack *in,
GPUNodeStack *out)
{
struct GPUNodeLink *inputlink;
struct GPUNodeLink *fromto;
const char *vtransform = "direction_transform_m4v3";
const char *ptransform = "point_transform_m4v3";
const char *func_name = nullptr;
NodeShaderVectTransform *nodeprop = (NodeShaderVectTransform *)node->storage;
if (in[0].hasinput) {
inputlink = in[0].link;
}
else {
inputlink = GPU_constant(in[0].vec);
}
fromto = get_gpulink_matrix_from_to(nodeprop->convert_from, nodeprop->convert_to);
func_name = (nodeprop->type == SHD_VECT_TRANSFORM_TYPE_POINT) ? ptransform : vtransform;
if (fromto) {
/* For cycles we have inverted Z */
/* TODO: pass here the correct matrices */
if (nodeprop->convert_from == SHD_VECT_TRANSFORM_SPACE_CAMERA &&
nodeprop->convert_to != SHD_VECT_TRANSFORM_SPACE_CAMERA) {
GPU_link(mat, "invert_z", inputlink, &inputlink);
}
GPU_link(mat, func_name, inputlink, fromto, &out[0].link);
if (nodeprop->convert_to == SHD_VECT_TRANSFORM_SPACE_CAMERA &&
nodeprop->convert_from != SHD_VECT_TRANSFORM_SPACE_CAMERA) {
GPU_link(mat, "invert_z", out[0].link, &out[0].link);
}
}
else {
GPU_link(mat, "set_rgb", inputlink, &out[0].link);
}
if (nodeprop->type == SHD_VECT_TRANSFORM_TYPE_NORMAL) {
GPU_link(mat, "vector_normalize", out[0].link, &out[0].link);
}
return true;
}
} // namespace blender::nodes::node_shader_vector_transform_cc
void register_node_type_sh_vect_transform()
{
namespace file_ns = blender::nodes::node_shader_vector_transform_cc;
static bNodeType ntype;
sh_node_type_base(&ntype, SH_NODE_VECT_TRANSFORM, "Vector Transform", NODE_CLASS_OP_VECTOR);
node_type_init(&ntype, file_ns::node_shader_init_vect_transform);
node_type_socket_templates(
&ntype, file_ns::sh_node_vect_transform_in, file_ns::sh_node_vect_transform_out);
node_type_storage(
&ntype, "NodeShaderVectTransform", node_free_standard_storage, node_copy_standard_storage);
node_type_exec(&ntype, nullptr, nullptr, file_ns::node_shader_exec_vect_transform);
node_type_gpu(&ntype, file_ns::gpu_shader_vect_transform);
nodeRegisterType(&ntype);
}
|
