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) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: For any questions to Digia, please use the contact form at
** http://qt.digia.com/
**
** This file is part of the examples of the Qt Enterprise Embedded.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "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 Digia Plc and its Subsidiary(-ies) 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
** OWNER 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "shaderfilereader.h"
#include <QtCore/QFile>
#include <QtCore/QTextStream>
ShaderFileReader::ShaderFileReader(QObject* parent)
: QObject(parent)
{
if (qEnvironmentVariableIsEmpty("QT_SHADER_PATH"))
setenv("QT_SHADER_PATH", "/data/user/qt/Qt5Everywhere/demos/shaders/",1);
}
ShaderFileReader::~ShaderFileReader()
{
}
void ShaderFileReader::setFragmentShaderFilename(const QString &name)
{
m_fragmentShaderFilename = name;
Q_EMIT fragmentShaderFilenameChanged();
}
void ShaderFileReader::setVertexShaderFilename(const QString &name)
{
m_vertexShaderFilename = name;
Q_EMIT vertexShaderFilenameChanged();
}
QString ShaderFileReader::fragmentShader() const
{
return readShaderFile(m_fragmentShaderFilename);
}
QString ShaderFileReader::vertexShader() const
{
return readShaderFile(m_vertexShaderFilename);
}
QString ShaderFileReader::readShaderFile(const QString &fileName) const
{
QString content;
QString path = qgetenv("QT_SHADER_PATH");
QFile file(path.append(fileName));
if (file.open(QIODevice::ReadOnly)) {
QTextStream stream(&file);
content = stream.readAll();
file.close();
}
return content;
}
|
