wxWidgets/tests/benchmarks/graphics.cpp
Vadim Zeitlin 2a408a4bf2 Add wxGCDC benchmarks to graphics benchmark for comparison with wxDC.
Also benchmark rectangles and bitmaps in addition to lines drawing.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70759 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2012-03-01 01:05:28 +00:00

223 lines
5.9 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// 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 licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/app.h"
#include "wx/frame.h"
#include "wx/cmdline.h"
#include "wx/dcclient.h"
#include "wx/dcmemory.h"
#include "wx/dcgraph.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));
m_bitmap.Create(64, 64, 32);
Show();
SetClientSize(opts.width, opts.height);
wxClientDC dc(this);
BenchmarkLines("dc client", dc);
BenchmarkRectangles("dc client", dc);
BenchmarkBitmaps("dc client", dc);
wxGCDC gcdc( dc );
BenchmarkLines("gcdc client", gcdc);
BenchmarkRectangles("gcdc client", gcdc);
BenchmarkBitmaps("gcdc client", gcdc);
wxBitmap bmp(opts.width, opts.height);
wxMemoryDC dc2(bmp);
BenchmarkLines("dc memory", dc2);
BenchmarkRectangles("dc memory", dc2);
BenchmarkBitmaps("dc memory", dc2);
wxGCDC gcdc2( dc2 );
BenchmarkLines("gcdc memory", gcdc2);
BenchmarkRectangles("gcdc memory", gcdc2);
BenchmarkBitmaps("gcdc memory", gcdc2);
}
protected:
void OnPaint(wxPaintEvent& WXUNUSED(event))
{
wxPaintDC dc(this);
BenchmarkLines("dc paint", dc);
BenchmarkRectangles("dc paint", dc);
BenchmarkBitmaps("dc paint", dc);
wxGCDC gcdc( dc );
BenchmarkLines("gcdc paint", gcdc);
BenchmarkRectangles("gcdc paint", gcdc);
BenchmarkBitmaps("gcdc paint", gcdc);
wxTheApp->ExitMainLoop();
}
void BenchmarkLines(const char *msg, wxDC& dc)
{
if ( opts.mapMode != 0 )
dc.SetMapMode((wxMappingMode)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);
}
void BenchmarkRectangles(const char *msg, wxDC& dc)
{
if ( opts.mapMode != 0 )
dc.SetMapMode((wxMappingMode)opts.mapMode);
if ( opts.penWidth != 0 )
dc.SetPen(wxPen(*wxWHITE, opts.penWidth));
dc.SetBrush( *wxRED_BRUSH );
wxPrintf("Benchmarking %s DC: ", msg);
wxStopWatch sw;
for ( int n = 0; n < opts.numLines; n++ )
{
int x = rand() % opts.width,
y = rand() % opts.height;
dc.DrawRectangle(x, y, 32, 32);
}
const long t = sw.Time();
wxPrintf("%d rects done in %lums = %gus/rect\n",
opts.numLines, t, (1000. * t)/opts.numLines);
}
void BenchmarkBitmaps(const char *msg, wxDC& dc)
{
if ( opts.mapMode != 0 )
dc.SetMapMode((wxMappingMode)opts.mapMode);
if ( opts.penWidth != 0 )
dc.SetPen(wxPen(*wxWHITE, opts.penWidth));
wxPrintf("Benchmarking %s DC: ", msg);
wxStopWatch sw;
for ( int n = 0; n < opts.numLines; n++ )
{
int x = rand() % opts.width,
y = rand() % opts.height;
dc.DrawBitmap(m_bitmap, x, y, true);
}
const long t = sw.Time();
wxPrintf("%d bitmaps done in %lums = %gus/bitmap\n",
opts.numLines, t, (1000. * t)/opts.numLines);
}
wxBitmap m_bitmap;
};
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 },
{ wxCMD_LINE_NONE },
};
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)