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Diffstat (limited to 'examples/opengl/qopenglwindow/background_renderer.h')
| -rw-r--r-- | examples/opengl/qopenglwindow/background_renderer.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/examples/opengl/qopenglwindow/background_renderer.h b/examples/opengl/qopenglwindow/background_renderer.h new file mode 100644 index 0000000000..4f968325d5 --- /dev/null +++ b/examples/opengl/qopenglwindow/background_renderer.h @@ -0,0 +1,78 @@ +/**************************************************************************** +** +** 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. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef FRAGMENT_TOY_H +#define FRAGMENT_TOY_H + +#include <QtCore/QObject> +#include <QtCore/QFile> +#include <QtCore/QDateTime> +#include <QtCore/QFileSystemWatcher> +#include <QtGui/QOpenGLVertexArrayObject> +#include <QtGui/QOpenGLBuffer> +#include <QtGui/QOpenGLShaderProgram> +#include <QtGui/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 |