Hugging Face's logo

Spaces:
Yuliang
/
ICON
Runtime error

App Files Community
23
ICON
File size: 4,625 Bytes 
162943d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
160
161
162
163
164
165
166
167
168
169
170
171
172
 
#version 330

layout (location = 0) in vec3 a_Position;
layout (location = 1) in vec3 a_Normal;
layout (location = 2) in vec2 a_TextureCoord;
layout (location = 3) in vec3 a_Tangent;
layout (location = 4) in vec3 a_Bitangent;
layout (location = 5) in vec3 a_PRT1;
layout (location = 6) in vec3 a_PRT2;
layout (location = 7) in vec3 a_PRT3;
layout (location = 8) in vec3 a_Label;

out VertexData {
    vec3 Position;
    vec3 Depth;
    vec3 ModelNormal;
    vec2 Texcoord;
    vec3 Tangent;
    vec3 Bitangent;
    vec3 PRT1;
    vec3 PRT2;
    vec3 PRT3;
    vec3 Label;
} VertexOut;

uniform mat3 RotMat;
uniform mat4 NormMat;
uniform mat4 ModelMat;
uniform mat4 PerspMat;

float s_c3 = 0.94617469575; // (3*sqrt(5))/(4*sqrt(pi))
float s_c4 = -0.31539156525;// (-sqrt(5))/(4*sqrt(pi))
float s_c5 = 0.54627421529; // (sqrt(15))/(4*sqrt(pi))

float s_c_scale = 1.0/0.91529123286551084;
float s_c_scale_inv = 0.91529123286551084;

float s_rc2 = 1.5853309190550713*s_c_scale;
float s_c4_div_c3 = s_c4/s_c3;
float s_c4_div_c3_x2 = (s_c4/s_c3)*2.0;

float s_scale_dst2 = s_c3 * s_c_scale_inv;
float s_scale_dst4 = s_c5 * s_c_scale_inv;

void OptRotateBand0(float x[1], mat3 R, out float dst[1])
{
    dst[0] = x[0];
}

// 9 multiplies
void OptRotateBand1(float x[3], mat3 R, out float dst[3])
{
    // derived from  SlowRotateBand1
    dst[0] = ( R[1][1])*x[0] + (-R[1][2])*x[1] + ( R[1][0])*x[2];
    dst[1] = (-R[2][1])*x[0] + ( R[2][2])*x[1] + (-R[2][0])*x[2];
    dst[2] = ( R[0][1])*x[0] + (-R[0][2])*x[1] + ( R[0][0])*x[2];
}

// 48 multiplies
void OptRotateBand2(float x[5], mat3 R, out float dst[5])
{
    // Sparse matrix multiply
    float sh0 =  x[3] + x[4] + x[4] - x[1];
    float sh1 =  x[0] + s_rc2*x[2] +  x[3] + x[4];
    float sh2 =  x[0];
    float sh3 = -x[3];
    float sh4 = -x[1];
    
    // Rotations.  R0 and R1 just use the raw matrix columns
    float r2x = R[0][0] + R[0][1];
    float r2y = R[1][0] + R[1][1];
    float r2z = R[2][0] + R[2][1];
    
    float r3x = R[0][0] + R[0][2];
    float r3y = R[1][0] + R[1][2];
    float r3z = R[2][0] + R[2][2];
    
    float r4x = R[0][1] + R[0][2];
    float r4y = R[1][1] + R[1][2];
    float r4z = R[2][1] + R[2][2];
    
    // dense matrix multiplication one column at a time
    
    // column 0
    float sh0_x = sh0 * R[0][0];
    float sh0_y = sh0 * R[1][0];
    float d0 = sh0_x * R[1][0];
    float d1 = sh0_y * R[2][0];
    float d2 = sh0 * (R[2][0] * R[2][0] + s_c4_div_c3);
    float d3 = sh0_x * R[2][0];
    float d4 = sh0_x * R[0][0] - sh0_y * R[1][0];
    
    // column 1
    float sh1_x = sh1 * R[0][2];
    float sh1_y = sh1 * R[1][2];
    d0 += sh1_x * R[1][2];
    d1 += sh1_y * R[2][2];
    d2 += sh1 * (R[2][2] * R[2][2] + s_c4_div_c3);
    d3 += sh1_x * R[2][2];
    d4 += sh1_x * R[0][2] - sh1_y * R[1][2];
    
    // column 2
    float sh2_x = sh2 * r2x;
    float sh2_y = sh2 * r2y;
    d0 += sh2_x * r2y;
    d1 += sh2_y * r2z;
    d2 += sh2 * (r2z * r2z + s_c4_div_c3_x2);
    d3 += sh2_x * r2z;
    d4 += sh2_x * r2x - sh2_y * r2y;
    
    // column 3
    float sh3_x = sh3 * r3x;
    float sh3_y = sh3 * r3y;
    d0 += sh3_x * r3y;
    d1 += sh3_y * r3z;
    d2 += sh3 * (r3z * r3z + s_c4_div_c3_x2);
    d3 += sh3_x * r3z;
    d4 += sh3_x * r3x - sh3_y * r3y;
    
    // column 4
    float sh4_x = sh4 * r4x;
    float sh4_y = sh4 * r4y;
    d0 += sh4_x * r4y;
    d1 += sh4_y * r4z;
    d2 += sh4 * (r4z * r4z + s_c4_div_c3_x2);
    d3 += sh4_x * r4z;
    d4 += sh4_x * r4x - sh4_y * r4y;
    
    // extra multipliers
    dst[0] = d0;
    dst[1] = -d1;
    dst[2] = d2 * s_scale_dst2;
    dst[3] = -d3;
    dst[4] = d4 * s_scale_dst4;
}

void main()
{
    // normalization
    vec3 pos = (NormMat * vec4(a_Position,1.0)).xyz;

    mat3 R = mat3(ModelMat) * RotMat;
    VertexOut.ModelNormal = (R * a_Normal);
    VertexOut.Position = R * pos;
    VertexOut.Texcoord = a_TextureCoord;
    VertexOut.Tangent = (R * a_Tangent);
    VertexOut.Bitangent = (R * a_Bitangent);
    VertexOut.Label = a_Label;

    float PRT0, PRT1[3], PRT2[5];
    PRT0 = a_PRT1[0];
    PRT1[0] = a_PRT1[1];
    PRT1[1] = a_PRT1[2];
    PRT1[2] = a_PRT2[0];
    PRT2[0] = a_PRT2[1];
    PRT2[1] = a_PRT2[2];
    PRT2[2] = a_PRT3[0];
    PRT2[3] = a_PRT3[1];
    PRT2[4] = a_PRT3[2];

    OptRotateBand1(PRT1, R, PRT1);
    OptRotateBand2(PRT2, R, PRT2);

    VertexOut.PRT1 = vec3(PRT0,PRT1[0],PRT1[1]);
    VertexOut.PRT2 = vec3(PRT1[2],PRT2[0],PRT2[1]);
    VertexOut.PRT3 = vec3(PRT2[2],PRT2[3],PRT2[4]);

    gl_Position = PerspMat * ModelMat * vec4(RotMat * pos, 1.0);
    
    VertexOut.Depth = vec3(gl_Position.z / gl_Position.w);
}