Renamed ShaderProgram to QShaderProgram

Change-Id: I7a9fd824f1975791ee7448023d089e06c34de69d
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 167 insertions, 0 deletions

diff --git a/src/render/frontend/qshaderprogram.cpp b/src/render/frontend/qshaderprogram.cpp
new file mode 100644
index 000000000..63abf91dc
--- /dev/null
+++ b/src/render/frontend/qshaderprogram.cpp
@@ -0,0 +1,167 @@
+/****************************************************************************
+**
+** 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 "qshaderprogram.h"
+
+#include <QDebug>
+#include <QFile>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3D {
+
+QShaderProgram::QShaderProgram(QNode *parent)
+    : QAbstractShader(parent)
+    , m_vertexSourceFile()
+    , m_fragmentSourceFile()
+    , m_isLoaded(false)
+{
+}
+
+void QShaderProgram::setVertexSourceFile(const QString& vertexSourceFile)
+{
+    if (vertexSourceFile != m_vertexSourceFile) {
+        m_vertexSourceFile = vertexSourceFile;
+        m_isLoaded = false;
+        emit vertexSourceFileChanged();
+    }
+}
+
+QString QShaderProgram::vertexSourceFile() const
+{
+    return m_vertexSourceFile;
+}
+
+void QShaderProgram::setFragmentSourceFile(const QString& fragmentSourceFile)
+{
+    if (fragmentSourceFile != m_fragmentSourceFile) {
+        m_fragmentSourceFile = fragmentSourceFile;
+        m_isLoaded = false;
+        emit fragmentSourceFileChanged();
+    }
+}
+
+QString QShaderProgram::fragmentSourceFile() const
+{
+    return m_fragmentSourceFile;
+}
+
+/*!
+ * Sets the vertexShader from raw data in \a vertexShader.
+ * Note that if vertexSourceFile is set, when load is called,
+ * the shader code will be replaced by the shader located at vertexSourceFile.
+ */
+void QShaderProgram::setVertexShader(const QByteArray &vertexShader)
+{
+    if (vertexShader != m_cachedVertexCode) {
+        m_cachedVertexCode = vertexShader;
+        m_isLoaded = false;
+        emit vertexShaderChanged();
+    }
+}
+
+/*!
+ * Sets the fragmentShader from raw data in \a fragmentShader.
+ * Note that if a fragmentSourceFile is set, when load is called,
+ * the shader code will be replaced by the shader located at fragmentSourceFile.
+ */
+void QShaderProgram::setFragmentShader(const QByteArray &fragmentShader)
+{
+    if (fragmentShader != m_cachedFragmentCode) {
+        m_cachedFragmentCode = fragmentShader;
+        m_isLoaded = false;
+        emit fragmentShaderChanged();
+    }
+}
+
+QByteArray QShaderProgram::vertexSourceCode() const
+{
+    if (!isLoaded() && m_cachedVertexCode.isEmpty())
+        return QByteArray();
+
+    return m_cachedVertexCode;
+}
+
+QByteArray QShaderProgram::fragmentSourceCode() const
+{
+    if (!isLoaded() && m_cachedFragmentCode.isEmpty())
+        return QByteArray();
+
+    return m_cachedFragmentCode;
+}
+
+bool QShaderProgram::isLoaded() const
+{
+    return m_isLoaded;
+}
+
+void QShaderProgram::load()
+{
+    if (m_isLoaded)
+        return;
+
+    m_isLoaded = true;
+
+    if (!m_fragmentSourceFile.isEmpty()) {
+        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();
+        }
+    }
+    if (!m_vertexSourceFile.isEmpty()) {
+        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
+
+QT_END_NAMESPACE