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
|
/****************************************************************************
**
** Copyright (C) 2014 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CUSTOM_MATERIAL_FRAG_BODY_AO_GLSLLIB
#define CUSTOM_MATERIAL_FRAG_BODY_AO_GLSLLIB
bool twoSided = false;
vec3 materialEmissive = vec3( 0.0, 0.0, 0.0 );
float materialIOR = computeIOR();
if ( gl_FrontFacing )
{
materialEmissive = computeFrontMaterialEmissive() * computeMaterialEmissiveMask();
}
else
{
materialIOR = 1.0 / materialIOR;
twoSided = evalTwoSided();
if ( twoSided )
{
normal = -normal;
materialEmissive = computeBackMaterialEmissive() * computeMaterialEmissiveMask();
}
}
vec4 rgba = vec4( materialEmissive, 0.0 );
// compute ambient occlusion
float aoFactor = customMaterialAO( );
vec3 lightAmbient, lightDiffuse, lightSpecular, L;
for ( int i=0 ; i<uNumLights ; i++ )
{
sampleLight( qLights[i], varWorldPos, L, lightAmbient, lightDiffuse, lightSpecular);
lightAmbient *= aoFactor;
lightDiffuse *= aoFactor;
//evalTemporariesPerLightSource( normal, L, lightDiffuse, lightSpecular, materialIOR );
if (gl_FrontFacing)
computeFrontLayerColor( normal, L, viewDir, lightDiffuse, lightSpecular, materialIOR, aoFactor );
else
computeBackLayerColor( normal, L, viewDir, lightDiffuse, lightSpecular, materialIOR, aoFactor );
}
for ( int i=0 ; i < uNumAreaLights; ++i )
{
if (gl_FrontFacing)
computeFrontAreaColor( i, arealights[i].diffuse, arealights[i].specular );
else
computeBackAreaColor( i, arealights[i].diffuse, arealights[i].specular );
}
if ( 0.0 < alpha )
{
if (gl_FrontFacing)
computeFrontLayerEnvironment( normal, viewDir, aoFactor );
else
computeBackLayerEnvironment( normal, viewDir, aoFactor );
}
rgba += computeLayerWeights( alpha );
#endif
|
