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/* -*- Mode: c++ -*- */
/***************************************************************************
* benchmarktest.cc
*
* Sun Feb 23 14:24:12 CET 2020
* Copyright 2020 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <chrono>
#include <iostream>
#include <cstdint>
#include <string>
#include <dggui/image.h>
#include <dggui/painter.h>
#include <dggui/canvas.h>
class TimedCanvas
: public GUI::Canvas
{
public:
GUI::PixelBufferAlpha& getPixelBuffer() override
{
return pixbuf;
}
void resize(std::size_t width, std::size_t height)
{
pixbuf.realloc(width, height);
}
private:
GUI::PixelBufferAlpha pixbuf{800, 600};
};
class TimedScope
{
public:
using clock_t = std::chrono::steady_clock;
TimedScope(const std::string& title, std::size_t iterations)
: title(title)
, iterations(iterations)
, begin(clock_t::now())
{}
~TimedScope()
{
clock_t::time_point end= std::chrono::steady_clock::now();
auto micro_seconds =
std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count();
micro_seconds /= iterations;
std::cout << title << ": " << micro_seconds << " µs " <<
"(" << (micro_seconds / 1000) << " ms)" << std::endl;
}
private:
std::string title;
std::size_t iterations;
clock_t::time_point begin;
};
int main()
{
TimedCanvas canvas;
GUI::Painter painter(canvas);
GUI::Image image_no_alpha(":benchmarktest_resources/image_no_alpha.png");
GUI::Image image_full_alpha(":benchmarktest_resources/image_full_alpha.png");
GUI::Image image_edge_alpha(":benchmarktest_resources/image_edge_alpha.png");
GUI::Image image_inner_alpha(":benchmarktest_resources/image_inner_alpha.png");
{
TimedCanvas canvas;
TimedScope timed("Pixelbuffer resize", 100000);
painter.setColour(GUI::Colour(1.f, 1.f, 1.f, 1.f));
for(int i = 0; i < 100000; ++i)
{
canvas.resize(i % 1000 + 100, i % 1000 + 100);
}
}
{
TimedScope timed("Filled rect, no alpha", 100000);
for(int i = 0; i < 100000; ++i)
{
painter.drawRectangle(0, 0, 800, 600);
}
}
{
TimedScope timed("Filled rect, with alpha", 100000);
painter.setColour(GUI::Colour(1.f, 1.f, 1.f, 0.5f));
for(int i = 0; i < 100000; ++i)
{
painter.drawRectangle(0, 0, 800, 600);
}
}
{
TimedScope timed("No scale, no alpha", 100000);
for(int i = 0; i < 100000; ++i)
{
painter.drawImage(0, 0, image_no_alpha);
}
}
{
TimedScope timed("No scale, full alpha", 1000);
for(int i = 0; i < 1000; ++i)
{
painter.drawImage(0, 0, image_full_alpha);
}
}
{
TimedScope timed("No scale, edge alpha", 1000);
for(int i = 0; i < 1000; ++i)
{
painter.drawImage(0, 0, image_edge_alpha);
}
}
{
TimedScope timed("No scale, inner alpha", 1000);
for(int i = 0; i < 1000; ++i)
{
painter.drawImage(0, 0, image_inner_alpha);
}
}
{
GUI::PixelBuffer wpixbuf(800, 600);
std::vector<GUI::PixelBufferAlpha*> children;
for(int i = 0; i < 100; ++i)
{
auto child = new GUI::PixelBufferAlpha(300, 300);
child->x = i * 2;
child->y = i * 2;
children.push_back(child);
}
TimedScope timed("Buffer flattening", 100);
for(int i = 0; i < 100; ++i)
{
for(auto child : children)
{
child->dirty = true;
}
wpixbuf.updateBuffer(children);
}
for(auto child : children)
{
delete child;
}
}
{
TimedScope timed("Scaled 1:1 no alpha", 1000);
for(int i = 0; i < 1000; ++i)
{
painter.drawImageStretched(0, 0, image_no_alpha, 370, 330);
}
}
{
TimedScope timed("Scaled 1:1 full alpha", 1000);
for(int i = 0; i < 1000; ++i)
{
painter.drawImageStretched(0, 0, image_full_alpha, 370, 330);
}
}
{
TimedScope timed("Scaled 1:1 edge alpha", 1000);
for(int i = 0; i < 1000; ++i)
{
painter.drawImageStretched(0, 0, image_edge_alpha, 370, 330);
}
}
{
TimedScope timed("Scaled 1:1 inner alpha", 1000);
for(int i = 0; i < 1000; ++i)
{
painter.drawImageStretched(0, 0, image_inner_alpha, 370, 330);
}
}
{
TimedScope timed("Scaled to window, no alpha", 1000);
for(int i = 0; i < 1000; ++i)
{
painter.drawImageStretched(0, 0, image_no_alpha, 800, 600);
}
}
{
TimedScope timed("Scaled to window, full alpha", 1000);
for(int i = 0; i < 1000; ++i)
{
painter.drawImageStretched(0, 0, image_full_alpha, 800, 600);
}
}
{
TimedScope timed("Scaled to window, edge alpha", 1000);
for(int i = 0; i < 1000; ++i)
{
painter.drawImageStretched(0, 0, image_edge_alpha, 800, 600);
}
}
{
TimedScope timed("Scaled to window, inner alpha", 1000);
for(int i = 0; i < 1000; ++i)
{
painter.drawImageStretched(0, 0, image_inner_alpha, 800, 600);
}
}
return 0;
}
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