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
|
/**
* @file alphaV.glsl
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2007, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#define INDEXED 1
#define NON_INDEXED 2
#define NON_INDEXED_NO_COLOR 3
uniform mat3 normal_matrix;
uniform mat4 texture_matrix0;
uniform mat4 projection_matrix;
uniform mat4 modelview_matrix;
uniform mat4 modelview_projection_matrix;
in vec3 position;
#ifdef USE_INDEXED_TEX
void passTextureIndex();
#endif
in vec3 normal;
#ifdef USE_VERTEX_COLOR
in vec4 diffuse_color;
#endif
in vec2 texcoord0;
#ifdef HAS_SKIN
mat4 getObjectSkinnedTransform();
#else
#ifdef IS_AVATAR_SKIN
mat4 getSkinnedTransform();
#endif
#endif
out vec3 vary_fragcoord;
out vec3 vary_position;
#ifdef USE_VERTEX_COLOR
out vec4 vertex_color;
#endif
out vec2 vary_texcoord0;
out vec3 vary_norm;
uniform float near_clip;
void main()
{
vec4 pos;
vec3 norm;
//transform vertex
#ifdef HAS_SKIN
mat4 trans = getObjectSkinnedTransform();
trans = modelview_matrix * trans;
pos = trans * vec4(position.xyz, 1.0);
norm = position.xyz + normal.xyz;
norm = normalize((trans * vec4(norm, 1.0)).xyz - pos.xyz);
vec4 frag_pos = projection_matrix * pos;
gl_Position = frag_pos;
#else
#ifdef IS_AVATAR_SKIN
mat4 trans = getSkinnedTransform();
vec4 pos_in = vec4(position.xyz, 1.0);
pos.x = dot(trans[0], pos_in);
pos.y = dot(trans[1], pos_in);
pos.z = dot(trans[2], pos_in);
pos.w = 1.0;
norm.x = dot(trans[0].xyz, normal);
norm.y = dot(trans[1].xyz, normal);
norm.z = dot(trans[2].xyz, normal);
norm = normalize(norm);
vec4 frag_pos = projection_matrix * pos;
gl_Position = frag_pos;
#else
norm = normalize(normal_matrix * normal);
vec4 vert = vec4(position.xyz, 1.0);
pos = (modelview_matrix * vert);
gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
#endif //IS_AVATAR_SKIN
#endif // HAS_SKIN
#ifdef USE_INDEXED_TEX
passTextureIndex();
#endif
vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
vary_norm = norm;
vary_position = pos.xyz;
#ifdef USE_VERTEX_COLOR
vertex_color = diffuse_color;
#endif
#ifdef HAS_SKIN
vary_fragcoord.xyz = frag_pos.xyz + vec3(0,0,near_clip);
#else
#ifdef IS_AVATAR_SKIN
vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
#else
pos = modelview_projection_matrix * vert;
vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
#endif
#endif
}
|
