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-rw-r--r--src/core/render/frontend/shaderprogram.cpp133
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diff --git a/src/core/render/frontend/shaderprogram.cpp b/src/core/render/frontend/shaderprogram.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D 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 "shaderprogram.h"
+
+#include <QDebug>
+#include <QFile>
+
+namespace Qt3D {
+
+ShaderProgram::ShaderProgram(Node *parent)
+ : Node(parent)
+ , m_vertexSourceFile()
+ , m_fragmentSourceFile()
+ , m_isLoaded(false)
+{
+}
+
+void ShaderProgram::setVertexSourceFile(const QString& vertexSourceFile)
+{
+ if (vertexSourceFile != m_vertexSourceFile) {
+ m_vertexSourceFile = vertexSourceFile;
+ m_isLoaded = false;
+ emit vertexSourceFileChanged();
+ }
+}
+
+QString ShaderProgram::vertexSourceFile() const
+{
+ return m_vertexSourceFile;
+}
+
+void ShaderProgram::setFragmentSourceFile(const QString& fragmentSourceFile)
+{
+ if (fragmentSourceFile != m_fragmentSourceFile) {
+ m_fragmentSourceFile = fragmentSourceFile;
+ m_isLoaded = false;
+ emit fragmentSourceFileChanged();
+ }
+}
+
+QString ShaderProgram::fragmentSourceFile() const
+{
+ return m_fragmentSourceFile;
+}
+
+QByteArray ShaderProgram::vertexSourceCode() const
+{
+ if (!isLoaded())
+ return QByteArray();
+
+ return m_cachedVertexCode;
+}
+
+QByteArray ShaderProgram::fragmentSourceCode() const
+{
+ if (!isLoaded())
+ return QByteArray();
+
+ return m_cachedFragmentCode;
+}
+
+bool ShaderProgram::isLoaded() const
+{
+ return m_isLoaded;
+}
+
+void ShaderProgram::load()
+{
+ if (m_isLoaded)
+ return;
+
+ m_isLoaded = true;
+
+ QFile f(m_fragmentSourceFile);
+ if (!f.exists()) {
+ qWarning() << "couldn't find shader source file:" << m_fragmentSourceFile;
+ return;
+ } else {
+ f.open(QIODevice::ReadOnly);
+ m_cachedFragmentCode = f.readAll();
+ }
+
+ QFile vs(m_vertexSourceFile);
+ if (!vs.exists()) {
+ qWarning() << "couldn't find shader source file:" << m_vertexSourceFile;
+ return;
+ } else {
+ vs.open(QIODevice::ReadOnly);
+ m_cachedVertexCode = vs.readAll();
+ }
+}
+
+} // of namespace Qt3D
+