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50
51#ifndef FRAGMENT_TOY_H
52#define FRAGMENT_TOY_H
53
54#include <QObject>
55#include <QFile>
56#include <QDateTime>
57#if QT_CONFIG(filesystemwatcher)
58#include <QFileSystemWatcher>
59#endif
60#include <QOpenGLVertexArrayObject>
61#include <QOpenGLBuffer>
62#include <QOpenGLShaderProgram>
63#include <QOpenGLFunctions>
64
65#include <memory>
66
67class FragmentToy : public QObject, protected QOpenGLFunctions
68{
69 Q_OBJECT
70public:
71 explicit FragmentToy(const QString &fragmentSource, QObject *parent = nullptr);
72 ~FragmentToy();
73
74 void draw(const QSize &windowSize);
75
76private:
77 void fileChanged(const QString &path);
78 bool m_recompile_shaders;
79#if QT_CONFIG(filesystemwatcher)
80 QFileSystemWatcher m_watcher;
81#endif
82 QString m_fragment_file;
83 QDateTime m_fragment_file_last_modified;
84
85 std::unique_ptr<QOpenGLShaderProgram> m_program;
86 std::unique_ptr<QOpenGLShader> m_vertex_shader;
87 std::unique_ptr<QOpenGLShader> m_fragment_shader;
88 QOpenGLVertexArrayObject m_vao;
89 QOpenGLBuffer m_vertex_buffer;
90 GLuint m_vertex_coord_pos;
91};
92
93#endif //FRAGMENT_TOY_H
94