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#ifndef RENDER_THREAD_H
#define RENDER_THREAD_H
#include "draw.hpp"
#include <render.hpp>
#include <qobject.h>
#include <qrgb.h>
#include <qthread.h>
#include <qsemaphore.h>
#include <vector>
// https://doc.qt.io/archives/qt-4.8/qt-threads-mandelbrot-example.html
class RenderThread : public QThread {
Q_OBJECT
public:
RenderThread(Renderer r, QObject *parent = nullptr, unsigned id = 0);
// Returns 0 if successful or 1 if busy
int render(QRgb *buffer, unsigned samples);
signals:
void done(unsigned workerid);
protected:
void run();
QSemaphore m_lock;
QRgb *m_writebuffer;
unsigned m_samples;
Renderer m_render;
// Value in here means work is to be done
QSemaphore m_work;
unsigned m_id;
};
class RenderCoordinator : public QObject {
Q_OBJECT
public:
RenderCoordinator(QObject *parent, DrawWidget &target, Renderer r);
void setSamples(unsigned samples);
void render();
public slots:
void workerDone(unsigned workerid);
private:
DrawWidget &m_target;
Renderer m_renderer;
RenderThread m_worker;
unsigned m_samples;
};
#endif
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