From 3dafad59b97532e8e68c0b7abca796f3a9527a6e Mon Sep 17 00:00:00 2001
From: Heikkinen Miikka <miikka.heikkinen@digia.com>
Date: Fri, 17 May 2013 12:21:40 +0300
Subject: Added datavis3d back under src
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Change-Id: I209e8b3228b2ce0085c897db6fb2ea78e93afa67
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>
---
 src/datavis3d/utils/shaderhelper_p.h | 133 +++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 src/datavis3d/utils/shaderhelper_p.h

(limited to 'src/datavis3d/utils/shaderhelper_p.h')

diff --git a/src/datavis3d/utils/shaderhelper_p.h b/src/datavis3d/utils/shaderhelper_p.h
new file mode 100644
index 00000000..83e8b981
--- /dev/null
+++ b/src/datavis3d/utils/shaderhelper_p.h
@@ -0,0 +1,133 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtDataVis3D module.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef SHADERHELPER_P_H
+#define SHADERHELPER_P_H
+
+#include "qdatavis3dglobal.h"
+#include <QOpenGLFunctions>
+
+class QOpenGLShaderProgram;
+
+QTCOMMERCIALDATAVIS3D_BEGIN_NAMESPACE
+
+class ShaderHelper
+{
+    public:
+    ShaderHelper(QObject *parent,
+                 const QString &vertexShader = QString(),
+                 const QString &fragmentShader = QString(),
+                 const QString &texture = QString(),
+                 const QString &depthTexture = QString());
+    ~ShaderHelper();
+
+    void setShaders(const QString &vertexShader, const QString &fragmentShader);
+    void setTextures(const QString &texture, const QString &depthTexture);
+
+    void initialize();
+    void bind();
+    void release();
+    void setUniformValue(GLuint uniform, const QVector3D &value);
+    void setUniformValue(GLuint uniform, const QVector4D &value);
+    void setUniformValue(GLuint uniform, const QMatrix4x4 &value);
+    void setUniformValue(GLuint uniform, GLfloat value);
+    void setUniformValue(GLuint uniform, GLint value);
+
+    GLuint MVP();
+    GLuint view();
+    GLuint model();
+    GLuint nModel();
+    GLuint depth();
+    GLuint lightP();
+    GLuint lightS();
+    GLuint ambientS();
+    GLuint shadowQ();
+    GLuint color();
+    GLuint texture();
+    GLuint shadow();
+
+    GLuint posAtt();
+    GLuint uvAtt();
+    GLuint normalAtt();
+
+    private:
+    QObject *m_caller;
+    QOpenGLShaderProgram *m_program;
+
+    QString m_vertexShaderFile;
+    QString m_fragmentShaderFile;
+
+    QString m_textureFile;
+    QString m_depthTextureFile;
+
+    GLuint m_positionAttr;
+    GLuint m_uvAttr;
+    GLuint m_normalAttr;
+
+    GLuint m_colorUniform;
+    GLuint m_viewMatrixUniform;
+    GLuint m_modelMatrixUniform;
+    GLuint m_invTransModelMatrixUniform;
+    GLuint m_depthMatrixUniform;
+    GLuint m_mvpMatrixUniform;
+    GLuint m_lightPositionUniform;
+    GLuint m_lightStrengthUniform;
+    GLuint m_ambientStrengthUniform;
+    GLuint m_shadowQualityUniform;
+    GLuint m_textureUniform;
+    GLuint m_shadowUniform;
+
+    GLboolean m_initialized;
+};
+
+QTCOMMERCIALDATAVIS3D_END_NAMESPACE
+
+#endif
-- 
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