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
|
//
// Begin "3Dlabs-License.txt"
//
// Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//
// End "3Dlabs-License.txt"
uniform vec3 Color;
uniform vec3 AmbientColor;
uniform vec3 DiffuseColor;
uniform vec3 SpecularColor;
uniform vec3 EdgeColor;
uniform float Ambient;
uniform float Diffuse;
uniform float Specular;
uniform float SpecularPower;
uniform float Opacity;
uniform float PointSize;
uniform float LineWidth;
uniform int LineStipplePattern;
uniform int LineStippleRepeatFactor;
uniform int Interpolation;
uniform int Representation;
uniform int EdgeVisibility;
uniform int BackfaceCulling;
uniform int FrontfaceCulling;
uniform vec3 SurfaceColor; // (0.75, 0.75, 0.75)
uniform vec3 WarmColor; // (0.6, 0.6, 0.0)
uniform vec3 CoolColor; // (0.0, 0.0, 0.6)
uniform float DiffuseWarm; // 0.45
uniform float DiffuseCool; // 0.45
varying float NdotL;
varying vec3 ReflectVec;
varying vec3 ViewVec;
void main (void)
{
vec3 kcool = min(CoolColor + DiffuseCool * SurfaceColor, 1.0);
vec3 kwarm = min(WarmColor + DiffuseWarm * SurfaceColor, 1.0);
vec3 kfinal = mix(kcool, kwarm, NdotL);
vec3 nreflect = normalize(ReflectVec);
vec3 nview = normalize(ViewVec);
float spec = max(dot(nreflect, nview), 0.0);
spec = pow(spec, 32.0);
gl_FragColor = vec4 (min(kfinal + spec, 1.0), 1.0);
if( 0
|| AmbientColor.x!=0.75 || AmbientColor.y!=0.751 || AmbientColor.z!=0.752
|| DiffuseColor.x!=0.61 || DiffuseColor.y!=0.62 || DiffuseColor.z!=0.006
|| SpecularColor.x!=0.001 || SpecularColor.y!=0.002 || SpecularColor.z!=0.61
|| EdgeColor.x!=0.1 || EdgeColor.y!=0.2 || EdgeColor.z!=0.3
|| Ambient!=0.45
|| Diffuse!=0.451
|| Specular!=0.4
|| SpecularPower!=1.0
|| Opacity!=1.0
|| PointSize!=1.0
|| LineWidth!=1.0
|| LineStipplePattern!=0
|| LineStippleRepeatFactor!=1
|| Interpolation!=1
|| Representation!=2
|| EdgeVisibility!=0
|| BackfaceCulling!=0
|| FrontfaceCulling!=0
)
{
gl_FragColor = vec4 (1.0, 0.0, 0.0, 1.0);
}
}
|
