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#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;
}
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