From e0257cc50519539edabe524d44e9e1f6b3d36982 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sun, 13 Apr 2008 01:30:14 +0000
Subject: [PATCH] added a simple benchmark for wxDC::DrawLine() performance
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53154 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
tests/benchmarks/graphics.cpp | 142 ++++++++++++++++++++++++++++++++++
1 file changed, 142 insertions(+)
create mode 100644 tests/benchmarks/graphics.cpp
diff --git a/tests/benchmarks/graphics.cpp b/tests/benchmarks/graphics.cpp
new file mode 100644
index 0000000000..e70c6a281b
--- /dev/null
+++ b/tests/benchmarks/graphics.cpp
@@ -0,0 +1,142 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name: graphics.cpp
+// Purpose: Some benchmarks for measuring graphics operations performance
+// Author: Vadim Zeitlin
+// Created: 2008-04-13
+// RCS-ID: $Id$
+// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence: wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#include "wx/app.h"
+#include "wx/frame.h"
+#include "wx/cmdline.h"
+#include "wx/dcclient.h"
+#include "wx/dcmemory.h"
+#include "wx/stopwatch.h"
+
+struct GraphicsBenchmarkOptions
+{
+ GraphicsBenchmarkOptions()
+ {
+ mapMode = 0;
+ penWidth = 0;
+
+ width = 800;
+ height = 600;
+
+ numLines = 10000;
+ }
+
+ long mapMode,
+ penWidth,
+ width,
+ height,
+ numLines;
+} opts;
+
+class GraphicsBenchmarkFrame : public wxFrame
+{
+public:
+ GraphicsBenchmarkFrame()
+ : wxFrame(NULL, wxID_ANY, "wxWidgets Graphics Benchmark")
+ {
+ Connect(wxEVT_PAINT,
+ wxPaintEventHandler(GraphicsBenchmarkFrame::OnPaint));
+
+ Show();
+ SetClientSize(opts.width, opts.height);
+ wxClientDC dc(this);
+ BenchmarkLines("client", dc);
+
+ wxBitmap bmp(opts.width, opts.height);
+ wxMemoryDC dc2(bmp);
+ BenchmarkLines("memory", dc2);
+ }
+
+protected:
+ void OnPaint(wxPaintEvent& WXUNUSED(event))
+ {
+ wxPaintDC dc(this);
+
+ BenchmarkLines(" paint", dc);
+
+ wxTheApp->ExitMainLoop();
+ }
+
+ void BenchmarkLines(const char *msg, wxDC& dc)
+ {
+ if ( opts.mapMode != 0 )
+ dc.SetMapMode(opts.mapMode);
+ if ( opts.penWidth != 0 )
+ dc.SetPen(wxPen(*wxWHITE, opts.penWidth));
+
+ wxPrintf("Benchmarking %s DC: ", msg);
+
+ wxStopWatch sw;
+ int x = 0,
+ y = 0;
+ for ( int n = 0; n < opts.numLines; n++ )
+ {
+ int x1 = rand() % opts.width,
+ y1 = rand() % opts.height;
+
+ dc.DrawLine(x, y, x1, y1);
+
+ x = x1;
+ y = y1;
+ }
+
+ const long t = sw.Time();
+
+ wxPrintf("%d lines done in %lums = %gus/line\n",
+ opts.numLines, t, (1000. * t)/opts.numLines);
+ }
+};
+
+class GraphicsBenchmarkApp : public wxApp
+{
+public:
+ virtual void OnInitCmdLine(wxCmdLineParser& parser)
+ {
+ static const wxCmdLineEntryDesc desc[] =
+ {
+ { wxCMD_LINE_OPTION, "m", "map-mode", "", wxCMD_LINE_VAL_NUMBER },
+ { wxCMD_LINE_OPTION, "p", "pen-width", "", wxCMD_LINE_VAL_NUMBER },
+ { wxCMD_LINE_OPTION, "w", "width", "", wxCMD_LINE_VAL_NUMBER },
+ { wxCMD_LINE_OPTION, "h", "height", "", wxCMD_LINE_VAL_NUMBER },
+ { wxCMD_LINE_OPTION, "L", "lines", "", wxCMD_LINE_VAL_NUMBER },
+ };
+
+ parser.SetDesc(desc);
+ }
+
+ virtual bool OnCmdLineParsed(wxCmdLineParser& parser)
+ {
+ if ( parser.Found("m", &opts.mapMode) &&
+ (opts.mapMode < 1 || opts.mapMode > wxMM_METRIC) )
+ return false;
+ if ( parser.Found("p", &opts.penWidth) && opts.penWidth < 1 )
+ return false;
+ if ( parser.Found("w", &opts.width) && opts.width < 1 )
+ return false;
+ if ( parser.Found("h", &opts.height) && opts.height < 1 )
+ return false;
+ if ( parser.Found("L", &opts.numLines) && opts.numLines < 1 )
+ return false;
+
+ return true;
+ }
+
+ virtual bool OnInit()
+ {
+ if ( !wxApp::OnInit() )
+ return false;
+
+ new GraphicsBenchmarkFrame;
+
+ return true;
+ }
+};
+
+IMPLEMENT_APP_CONSOLE(GraphicsBenchmarkApp)
--
2.47.2