From 41ea2d8f94043d49fc26aaaa8030a73dcfdc2da9 Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Sun, 24 Jan 2021 18:13:44 +0100
Subject: Create rust project

---
 app/rendercoord.cpp | 220 ----------------------------------------------------
 1 file changed, 220 deletions(-)
 delete mode 100644 app/rendercoord.cpp

(limited to 'app/rendercoord.cpp')

diff --git a/app/rendercoord.cpp b/app/rendercoord.cpp
deleted file mode 100644
index 00a6437..0000000
--- a/app/rendercoord.cpp
+++ /dev/null
@@ -1,220 +0,0 @@
-#include "rendercoord.hpp"
-#include <algorithm>
-#include <qobject.h>
-#include <iostream>
-#include <qrgb.h>
-
-#include <qsemaphore.h>
-#include <render.hpp>
-#include <sstream>
-
-uint32_t colorToUint32(const Color &c) {
-    Color cnew = Color(c);
-    cnew.clamp();
-    return (0xFF << 24) + 
-        (cnew.r() << 16) +
-        (cnew.g() << 8) +
-        cnew.b();
-}
-
-// Run by main thread
-RenderThread::RenderThread(Renderer r, unsigned threads, const Config &conf, QObject *parent, unsigned id) 
-    : QThread(parent),
-    m_lock(1),
-    m_render(r),
-    m_conf(conf),
-    m_pause(1)
-{
-    m_id = id;
-    m_workers = threads;
-}
-
-// Run on new thread
-void RenderThread::run() {
-    while (1) {
-        // Wait for work
-        m_work.acquire();
-
-        // Very expensive, but necesary to get live rendering
-        Color *sum = new Color[m_render.m_width * m_render.m_height];
-
-        m_current_samples = 0;
-
-        for (int sample = 0; sample < m_samples; sample++) {
-            m_current_samples = sample;
-            // Probably not that smart
-            m_pause.acquire();
-            m_pause.release();
-
-            for (unsigned y = m_id; y < m_render.m_height; y += m_workers) {
-                for (unsigned x = 0; x < m_render.m_width; x++) {
-                    auto index = x + y * m_render.m_width;
-                    sum[index] += m_render.render(m_render.m_width - x, m_render.m_height - y, 1);
-
-                    m_writebuffer[index] = colorToUint32(sum[index] / (sample+1));
-                }
-            }
-
-        }
-
-        // Signal done
-        m_lock.release();
-        emit done(m_id);
-    }
-}
-
-void RenderThread::pause() {
-    m_pause.acquire();
-}
-
-void RenderThread::resume() {
-    m_pause.release();
-}
-
-int RenderThread::render(QRgb *buffer, unsigned samples) {
-    // Check if already running
-    if (!m_lock.tryAcquire()) {
-        return 1;
-    }
-    m_writebuffer = buffer;
-    m_samples = samples;
-    m_work.release();
-    std::cout << samples << std::endl;
-
-    return 0;
-}
-
-unsigned RenderThread::stop() {
-    stopAt(m_current_samples);
-    return m_current_samples;
-}
-
-void RenderThread::stopAt(int at) {
-    m_samples = at;
-}
-
-// Running on main thread
-unsigned RenderThread::current_samples() {
-    // No sync should not be a problem here.
-    return m_current_samples;
-}
-
-RenderCoordinator::RenderCoordinator(QObject *parent, DrawWidget &target, Renderer r, const Config &conf, QLabel *status) 
-    : QObject(parent),
-    m_target(target),
-    m_renderer(r),
-    m_timer(this),
-    m_conf(conf)
-{
-    m_status = status;
-
-    // Create and start workers
-    for (unsigned i = 0; i < conf.m_workers; i++) {
-        auto thread = new RenderThread(m_renderer, conf.m_workers, conf, this, i);
-
-        thread->start();
-        QObject::connect(thread, &RenderThread::done, this, &RenderCoordinator::workerDone);
-
-        m_workers.push_back(thread);
-    }
-
-    render();
-
-}
-
-void RenderCoordinator::render() {
-    m_started = 0;
-    for (auto thd : m_workers) {
-        thd->render(m_target.m_drawbuffer, m_conf.m_samples);
-        m_started++;
-    }
-
-    m_state = running;
-    updateUi();
-
-    QObject::connect(&m_timer, &QTimer::timeout, this, &RenderCoordinator::updateUi);
-
-    m_timer.start(1000.0 / m_conf.m_framerate);
-}
-
-void RenderCoordinator::stop() {
-    unsigned max = 0;
-    for (auto thd : m_workers) {
-        thd->pause();
-
-        auto val = thd->current_samples();
-        if (val>max) {
-            max = val;
-        }
-    }
-
-    std::cout << max << std::endl;
-
-    for (auto thd : m_workers) {
-        thd->stopAt(max+1);
-        thd->resume();
-    }
-
-    m_state = stopping;
-    updateUi();
-}
-
-void RenderCoordinator::workerDone(unsigned workerid) {
-    std::cout << "Worker " << workerid << " done!" << std::endl;
-    if (--m_started) {
-        return;
-    }
-    std::cout << "All done :-)" << std::endl;
-
-    // All workers are done
-    m_state = stopped;
-    m_timer.stop();
-    updateUi();
-}
-
-unsigned RenderCoordinator::calcStats(unsigned *max, unsigned *min, double *avg) {
-    unsigned count = 0;
-    unsigned sum = 0;
-    for (auto thd : m_workers) {
-        auto val = thd->current_samples();
-        if (min && (val < *min || !count)) {
-            *min = val;
-        }
-        if (max && (val > *max || !count)) {
-            *max = val;
-        }
-
-        sum += val;
-        count++;
-    }
-
-    if (avg) {
-        *avg = (double)sum / count;
-    }
-
-    return count;
-}
-
-
-void RenderCoordinator::updateUi() {
-    m_target.repaint();
-
-    if (!m_status) {
-        return;
-    }
-
-    // Gather statictics from workers
-    unsigned max;
-    unsigned min;
-    double avg;
-    unsigned count = calcStats(&max, &min, &avg);
-
-    std::ostringstream status;
-    status << states[m_state] << 
-        " Threads: " << count <<
-        " Max: " << max << " samples" <<
-        " Min: " << min << " samples" <<
-        " Avg: " << avg << " samples";
-
-    m_status->setText(QString::fromStdString(status.str()));
-}
-- 
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