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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SCENE_CAMERA_GLWIDGET_H
#define SCENE_CAMERA_GLWIDGET_H
#include <QtWidgets/qopenglwidget.h>
#include <QtGui/qopenglfunctions.h>
#include <QtGui/qvector2d.h>
#include <QtGui/qvector4d.h>
QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram)
QT_FORWARD_DECLARE_CLASS(QOpenGLBuffer)
QT_FORWARD_DECLARE_CLASS(QOpenGLVertexArrayObject)
class SceneCameraGlWidget : public QOpenGLWidget, QOpenGLFunctions
{
Q_OBJECT
public:
explicit SceneCameraGlWidget(QWidget *parent = nullptr);
~SceneCameraGlWidget();
void setTextureOffset(const QVector4D &offset) { m_textureOffset = offset; }
void setGeometryOffset(const QVector4D &offset) { m_geometryOffset = offset; }
protected:
void initializeGL() override;
void paintGL() override;
void resizeGL(int, int) override;
private:
void cleanup();
QOpenGLShaderProgram *m_program = nullptr;
QOpenGLBuffer *m_vertexBuffer = nullptr;
QOpenGLBuffer *m_uvBuffer = nullptr;
QOpenGLVertexArrayObject *m_vao = nullptr;
GLint m_uniformTextureOffset = 0;
GLint m_uniformGeometryOffset = 0;
QVector4D m_textureOffset;
QVector4D m_geometryOffset;
};
#endif
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