From 4348cc9581bfea05359485c5d2d074132d0271da Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Thu, 6 Aug 2020 19:21:49 +0200
Subject: Renders scenes with a single hardcoded light and green objects

---
 app/rendercoord.hpp | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 app/rendercoord.hpp

(limited to 'app/rendercoord.hpp')

diff --git a/app/rendercoord.hpp b/app/rendercoord.hpp
new file mode 100644
index 0000000..6aa8698
--- /dev/null
+++ b/app/rendercoord.hpp
@@ -0,0 +1,61 @@
+#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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