1 files changed, 106 insertions, 0 deletions
diff --git a/src/quick/scenegraph/util/qsgshadersourcebuilder.cpp b/src/quick/scenegraph/util/qsgshadersourcebuilder.cpp
new file mode 100644
index 0000000000..c7dd1a9799
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+++ b/src/quick/scenegraph/util/qsgshadersourcebuilder.cpp
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQuick module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+** GNU Lesser General Public License Usage
+** 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
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsgshadersourcebuilder_p.h"
+
+#include <QtGui/qopenglshaderprogram.h>
+
+#include <QtCore/qdebug.h>
+#include <QtCore/qfile.h>
+
+QT_BEGIN_NAMESPACE
+
+QSGShaderSourceBuilder::QSGShaderSourceBuilder()
+{
+}
+
+void QSGShaderSourceBuilder::initializeProgramFromFiles(QOpenGLShaderProgram *program,
+                                                        const QString &vertexShader,
+                                                        const QString &fragmentShader)
+{
+    Q_ASSERT(program);
+    program->removeAllShaders();
+
+    QSGShaderSourceBuilder builder;
+
+    builder.appendSourceFile(vertexShader);
+    program->addShaderFromSourceCode(QOpenGLShader::Vertex, builder.source());
+    builder.clear();
+
+    builder.appendSourceFile(fragmentShader);
+    program->addShaderFromSourceCode(QOpenGLShader::Fragment, builder.source());
+}
+
+QByteArray QSGShaderSourceBuilder::source() const
+{
+    return m_source;
+}
+
+void QSGShaderSourceBuilder::clear()
+{
+    m_source.clear();
+}
+
+void QSGShaderSourceBuilder::appendSource(const QByteArray &source)
+{
+    m_source += source;
+}
+
+void QSGShaderSourceBuilder::appendSourceFile(const QString &fileName)
+{
+    const QString resolvedFileName = resolveShaderPath(fileName);
+    QFile f(fileName);
+    if (!f.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        qWarning() << "Failed to find shader" << resolvedFileName;
+        return;
+    }
+    m_source += f.readAll();
+}
+
+QString QSGShaderSourceBuilder::resolveShaderPath(const QString &path) const
+{
+    // For now, just return the path unaltered.
+    // TODO: Resolve to more specific filename based upon OpenGL profile and
+    // version, platform, GPU type etc
+    return path;
+}
+
+QT_END_NAMESPACE