glslfilewizard.cpp 6.41 KB
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
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**
** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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****************************************************************************/
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#include "glslfilewizard.h"
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#include "glsleditorconstants.h"
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#include <utils/filewizarddialog.h>
#include <utils/qtcassert.h>

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#include <QFileInfo>
#include <QTextStream>
#include <QWizard>
#include <QPushButton>
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namespace {
class GLSLFileWizardDialog : public Utils::FileWizardDialog
{
    Q_OBJECT
public:
    GLSLFileWizardDialog(QWidget *parent = 0)
        : Utils::FileWizardDialog(parent)
    {
    }
};
} // anonymous namespace

using namespace GLSLEditor;

GLSLFileWizard::GLSLFileWizard(const BaseFileWizardParameters &parameters,
                               ShaderType shaderType, QObject *parent):
    Core::BaseFileWizard(parameters, parent),
    m_shaderType(shaderType)
{
}

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Core::FeatureSet GLSLFileWizard::requiredFeatures() const
{
    return Core::FeatureSet();
}

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Core::IWizard::WizardFlags GLSLFileWizard::flags() const
{
    return Core::IWizard::PlatformIndependent;
}

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Core::GeneratedFiles GLSLFileWizard::generateFiles(const QWizard *w,
                                                 QString * /*errorMessage*/) const
{
    const GLSLFileWizardDialog *wizardDialog = qobject_cast<const GLSLFileWizardDialog *>(w);
    const QString path = wizardDialog->path();
    const QString name = wizardDialog->fileName();

    const QString fileName = Core::BaseFileWizard::buildFileName(path, name, preferredSuffix(m_shaderType));

    Core::GeneratedFile file(fileName);
    file.setContents(fileContents(fileName, m_shaderType));
    file.setAttributes(Core::GeneratedFile::OpenEditorAttribute);
    return Core::GeneratedFiles() << file;
}

QString GLSLFileWizard::fileContents(const QString &, ShaderType shaderType) const
{
    QString contents;
    QTextStream str(&contents);

    switch (shaderType) {
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    case GLSLFileWizard::VertexShaderES:
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        str << QLatin1String("attribute highp vec4 qt_Vertex;\n")
            << QLatin1String("attribute highp vec4 qt_MultiTexCoord0;\n")
            << QLatin1String("uniform highp mat4 qt_ModelViewProjectionMatrix;\n")
            << QLatin1String("varying highp vec4 qt_TexCoord0;\n")
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            << QLatin1String("\n")
            << QLatin1String("void main(void)\n")
            << QLatin1String("{\n")
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            << QLatin1String("    gl_Position = qt_ModelViewProjectionMatrix * qt_Vertex;\n")
            << QLatin1String("    qt_TexCoord0 = qt_MultiTexCoord0;\n")
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            << QLatin1String("}\n");
        break;
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    case GLSLFileWizard::FragmentShaderES:
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        str << QLatin1String("uniform sampler2D qt_Texture0;\n")
            << QLatin1String("varying highp vec4 qt_TexCoord0;\n")
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            << QLatin1String("\n")
            << QLatin1String("void main(void)\n")
            << QLatin1String("{\n")
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            << QLatin1String("    gl_FragColor = texture2D(qt_Texture0, qt_TexCoord0.st);\n")
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            << QLatin1String("}\n");
        break;
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    case GLSLFileWizard::VertexShaderDesktop:
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        str << QLatin1String("attribute vec4 qt_Vertex;\n")
            << QLatin1String("attribute vec4 qt_MultiTexCoord0;\n")
            << QLatin1String("uniform mat4 qt_ModelViewProjectionMatrix;\n")
            << QLatin1String("varying vec4 qt_TexCoord0;\n")
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            << QLatin1String("\n")
            << QLatin1String("void main(void)\n")
            << QLatin1String("{\n")
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            << QLatin1String("    gl_Position = qt_ModelViewProjectionMatrix * qt_Vertex;\n")
            << QLatin1String("    qt_TexCoord0 = qt_MultiTexCoord0;\n")
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            << QLatin1String("}\n");
        break;
    case GLSLFileWizard::FragmentShaderDesktop:
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        str << QLatin1String("uniform sampler2D qt_Texture0;\n")
            << QLatin1String("varying vec4 qt_TexCoord0;\n")
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            << QLatin1String("\n")
            << QLatin1String("void main(void)\n")
            << QLatin1String("{\n")
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            << QLatin1String("    gl_FragColor = texture2D(qt_Texture0, qt_TexCoord0.st);\n")
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            << QLatin1String("}\n");
        break;
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    default: break;
    }

    return contents;
}

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QWizard *GLSLFileWizard::createWizardDialog(QWidget *parent,
                                            const Core::WizardDialogParameters &wizardDialogParameters) const
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{
    GLSLFileWizardDialog *wizardDialog = new GLSLFileWizardDialog(parent);
    wizardDialog->setWindowTitle(tr("New %1").arg(displayName()));
    setupWizard(wizardDialog);
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    wizardDialog->setPath(wizardDialogParameters.defaultPath());
    foreach (QWizardPage *p, wizardDialogParameters.extensionPages())
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        BaseFileWizard::applyExtensionPageShortTitle(wizardDialog, wizardDialog->addPage(p));
    return wizardDialog;
}

QString GLSLFileWizard::preferredSuffix(ShaderType shaderType) const
{
    switch (shaderType) {
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    case GLSLFileWizard::VertexShaderES:
        return QLatin1String("vsh");
    case GLSLFileWizard::FragmentShaderES:
        return QLatin1String("fsh");
    case GLSLFileWizard::VertexShaderDesktop:
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        return QLatin1String("vert");
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    case GLSLFileWizard::FragmentShaderDesktop:
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        return QLatin1String("frag");
    default:
        return QLatin1String("glsl");
    }
}

#include "glslfilewizard.moc"