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Extend benchmarks of drawing bitmaps on wxMemoryDC

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Extended tests to determine speed of drawing RGB/ARGB bitmaps on target
bitmaps with different colour depths (RGB/0RGB/ARGB/system default).

See #16766.
This commit is contained in:
Artur Wieczorek
2015-12-06 13:16:48 +01:00
committed by Vadim Zeitlin
parent 3fa5d92bc2
commit 7ddb522ec2
1 changed files with 51 additions and 8 deletions
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59
tests/benchmarks/graphics.cpp
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@@ -137,7 +137,9 @@ public:
Connect(wxEVT_SIZE, wxSizeEventHandler(GraphicsBenchmarkFrame::OnSize)); Connect(wxEVT_SIZE, wxSizeEventHandler(GraphicsBenchmarkFrame::OnSize));
m_bitmap.Create(64, 64, 32); m_bitmapARGB.Create(64, 64, 32);
m_bitmapARGB.UseAlpha(true);
m_bitmapRGB.Create(64, 64, 24);
Show(); Show();
} }
@@ -228,10 +230,33 @@ private:
if ( opts.useMemory ) if ( opts.useMemory )
{ {
wxBitmap bmp(opts.width, opts.height); {
wxMemoryDC dc(bmp); wxBitmap bmp(opts.width, opts.height);
wxGCDC gcdc(dc); wxMemoryDC dc(bmp);
BenchmarkDCAndGC("memory", dc, gcdc); wxGCDC gcdc(dc);
BenchmarkDCAndGC("default memory", dc, gcdc);
}
{
wxBitmap bmp(opts.width, opts.height, 24);
wxMemoryDC dc(bmp);
wxGCDC gcdc(dc);
BenchmarkDCAndGC("RGB memory", dc, gcdc);
}
{
wxBitmap bmp(opts.width, opts.height, 32);
bmp.UseAlpha(false);
wxMemoryDC dc(bmp);
wxGCDC gcdc(dc);
BenchmarkDCAndGC("0RGB memory", dc, gcdc);
}
{
wxBitmap bmp(opts.width, opts.height, 32);
bmp.UseAlpha(true);
wxMemoryDC dc(bmp);
wxGCDC gcdc(dc);
BenchmarkDCAndGC("ARGB memory", dc, gcdc);
}
} }
wxTheApp->ExitMainLoop(); wxTheApp->ExitMainLoop();
@@ -337,13 +362,30 @@ private:
int x = rand() % opts.width, int x = rand() % opts.width,
y = rand() % opts.height; y = rand() % opts.height;
dc.DrawBitmap(m_bitmap, x, y, true); dc.DrawBitmap(m_bitmapARGB, x, y, true);
} }
const long t = sw.Time(); const long t = sw.Time();
wxPrintf("%ld bitmaps done in %ldms = %gus/bitmap\n", wxPrintf("%ld ARGB bitmaps done in %ldms = %gus/bitmap\n",
opts.numIters, t, (1000. * t)/opts.numIters); opts.numIters, t, (1000. * t)/opts.numIters);
wxPrintf("Benchmarking %s: ", msg);
fflush(stdout);
sw.Start();
for ( int n = 0; n < opts.numIters; n++ )
{
int x = rand() % opts.width,
y = rand() % opts.height;
dc.DrawBitmap(m_bitmapRGB, x, y, true);
}
const long t2 = sw.Time();
wxPrintf("%ld RGB bitmaps done in %ldms = %gus/bitmap\n",
opts.numIters, t2, (1000. * t2)/opts.numIters);
} }
void BenchmarkImages(const wxString& msg, wxDC& dc) void BenchmarkImages(const wxString& msg, wxDC& dc)
@@ -422,7 +464,8 @@ private:
} }
wxBitmap m_bitmap; wxBitmap m_bitmapARGB;
wxBitmap m_bitmapRGB;
#if wxUSE_GLCANVAS #if wxUSE_GLCANVAS
wxGLCanvas* m_glCanvas; wxGLCanvas* m_glCanvas;
wxGLContext* m_glContext; wxGLContext* m_glContext;