1 files changed, 46 insertions, 0 deletions
diff --git a/tests/manual/examples/opengl/qopenglwindow/background_renderer.h b/tests/manual/examples/opengl/qopenglwindow/background_renderer.h
new file mode 100644
index 0000000000..76c0bec6a8
--- /dev/null
+++ b/tests/manual/examples/opengl/qopenglwindow/background_renderer.h
@@ -0,0 +1,46 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef FRAGMENT_TOY_H
+#define FRAGMENT_TOY_H
+
+#include <QObject>
+#include <QFile>
+#include <QDateTime>
+#if QT_CONFIG(filesystemwatcher)
+#include <QFileSystemWatcher>
+#endif
+#include <QOpenGLVertexArrayObject>
+#include <QOpenGLBuffer>
+#include <QOpenGLShaderProgram>
+#include <QOpenGLFunctions>
+
+#include <memory>
+
+class FragmentToy : public QObject, protected QOpenGLFunctions
+{
+    Q_OBJECT
+public:
+    explicit FragmentToy(const QString &fragmentSource, QObject *parent = nullptr);
+    ~FragmentToy();
+
+    void draw(const QSize &windowSize);
+
+private:
+    void fileChanged(const QString &path);
+    bool m_recompile_shaders;
+#if QT_CONFIG(filesystemwatcher)
+    QFileSystemWatcher m_watcher;
+#endif
+    QString m_fragment_file;
+    QDateTime m_fragment_file_last_modified;
+
+    std::unique_ptr<QOpenGLShaderProgram> m_program;
+    std::unique_ptr<QOpenGLShader> m_vertex_shader;
+    std::unique_ptr<QOpenGLShader> m_fragment_shader;
+    QOpenGLVertexArrayObject m_vao;
+    QOpenGLBuffer m_vertex_buffer;
+    GLuint m_vertex_coord_pos;
+};
+
+#endif //FRAGMENT_TOY_H