blob: 1f1ecda273e035bd80a8700d81d4c2cfa97dd259 (
plain)
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
|
/****************************************************************************
**
** Copyright (C) 2015 Paul Lemire
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import Qt3D.Core 2.0
import Qt3D.Render 2.0
Viewport {
property alias camera: cameraSelector.camera
property alias window: surfaceSelector.window
RenderSurfaceSelector {
id: surfaceSelector
CameraSelector {
id: cameraSelector
StateSet {
// Enable 3 clipping planes
renderStates: [
ClipPlane { plane: 0 },
ClipPlane { plane: 1 },
ClipPlane { plane: 2 },
DepthTest { func: DepthTest.LessOrEqual }
]
// Branch 1
LayerFilter {
// Render entities with their regular material
// Fills depth buffer for entities that are clipped
layers: ["content", "visualization"]
ClearBuffer {
buffers: ClearBuffer.ColorDepthBuffer
RenderPassFilter {
includes: Annotation { name: "pass"; value: "material" }
}
}
}
// Branch 2
ClearBuffer {
// Enable and fill Stencil to later generate caps
buffers: ClearBuffer.StencilBuffer
StateSet {
// Disable depth culling
// Incr for back faces
// Decr for front faces
// No need to output color values
renderStates: [
StencilTest {
front {
func: StencilTestSeparate.Always
ref: 0; mask: 0
}
back {
func: StencilTestSeparate.Always
ref: 0; mask: 0
}
},
StencilOp {
front.stencilDepthPass: StencilOpSeparate.Decr
back.stencilDepthPass: StencilOpSeparate.Incr
},
ColorMask { red: false; green: false; blue: false; alpha: false }
]
LayerFilter {
layers: "content"
RenderPassFilter {
includes: Annotation { name: "pass"; value: "stencilFill"; }
}
}
}
}
}
// Branch 3
StateSet {
// Draw caps using stencil buffer
LayerFilter {
layers: "caps"
RenderPassFilter {
includes: Annotation { name: "pass"; value: "capping"; }
}
}
// Draw back faces - front faces -> caps
renderStates: [
StencilTest {
front {
func: StencilTestSeparate.NotEqual
ref: 0; mask: ~0
}
back {
func: StencilTestSeparate.NotEqual
ref: 0; mask: ~0
}
}
]
}
}
}
}
|
