qt5base-lts/examples/opengl/qopenglwindow/background_renderer.h
Laszlo Agocs 78221fe762 Clean up the QOpenGLWindow example
1. Use includes without module prefixes, as is the custom in examples.
2. No inline functions to make it more readable.
3. Pause animation on pressing P and document our signal connection a bit more.

Change-Id: I68dc3d4c74b639cf3fec17b63b7f49626db58bdb
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>
2014-08-07 09:19:15 +02:00

79 lines
2.9 KiB
C++

/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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****************************************************************************/
#ifndef FRAGMENT_TOY_H
#define FRAGMENT_TOY_H
#include <QObject>
#include <QFile>
#include <QDateTime>
#include <QFileSystemWatcher>
#include <QOpenGLVertexArrayObject>
#include <QOpenGLBuffer>
#include <QOpenGLShaderProgram>
#include <QOpenGLFunctions>
class FragmentToy : public QObject, protected QOpenGLFunctions
{
Q_OBJECT
public:
FragmentToy(const QString &fragmentSource, QObject *parent = 0);
void draw(const QSize &windowSize);
private:
void fileChanged(const QString &path);
bool m_recompile_shaders;
#ifndef QT_NO_FILESYSTEMWATCHER
QFileSystemWatcher m_watcher;
#endif
QString m_fragment_file;
QDateTime m_fragment_file_last_modified;
QScopedPointer<QOpenGLShaderProgram> m_program;
QScopedPointer<QOpenGLShader> m_vertex_shader;
QScopedPointer<QOpenGLShader> m_fragment_shader;
QOpenGLVertexArrayObject m_vao;
QOpenGLBuffer m_vertex_buffer;
GLuint m_vertex_coord_pos;
};
#endif //FRAGMENT_TOY_H