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authorBent Bisballe Nyeng <deva@aasimon.org>2020-02-23 15:28:41 +0100
committerBent Bisballe Nyeng <deva@aasimon.org>2020-03-07 19:07:00 +0100
commit0ea8c2f03ffacecb1b02aad4416ae52eb69aa5a1 (patch)
tree25d1fb447b5792db34533805b5d09d004537f351 /test/uitests/benchmarktest.cc
parentca4c3e6006c112503fe9be957353b4aa3bddfe69 (diff)
Add UI benchmark test.
Diffstat (limited to 'test/uitests/benchmarktest.cc')
-rw-r--r--test/uitests/benchmarktest.cc108
1 files changed, 108 insertions, 0 deletions
diff --git a/test/uitests/benchmarktest.cc b/test/uitests/benchmarktest.cc
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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 <image.h>
+#include <painter.h>
+#include <canvas.h>
+
+class TimedCanvas
+ : public GUI::Canvas
+{
+public:
+ GUI::PixelBufferAlpha& GetPixelBuffer() override
+ {
+ return pixbuf;
+ }
+
+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(":resources/bg.png");
+
+ {
+ TimedScope timed("No scale", 10000);
+ for(int i = 0; i < 10000; ++i)
+ {
+ painter.drawImage(0, 0, image);
+ }
+ }
+
+ {
+ TimedScope timed("Scaled 1:1", 2000);
+ for(int i = 0; i < 2000; ++i)
+ {
+ painter.drawImageStretched(0, 0, image, 370, 330);
+ }
+ }
+
+ {
+ TimedScope timed("Scaled to window", 1000);
+ for(int i = 0; i < 1000; ++i)
+ {
+ painter.drawImageStretched(0, 0, image, 800, 6000);
+ }
+ }
+
+ return 0;
+}