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Add benchmarks of drawing horizontal and vertical lines

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Drawing horizontal and vertical lines may be done in a specific (optimized) way so it would be good to have separate benchmarks for such operations.
This commit is contained in:
Artur Wieczorek 2019-10-05 20:43:34 +02:00
parent 51adb388a4
commit 80d0496689
1 changed files with 47 additions and 5 deletions
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52
tests/benchmarks/graphics.cpp
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@ -409,23 +409,65 @@ private:
fflush(stdout);
wxStopWatch sw;
int x = 0,
y = 0;
int x0 = 0,
y0 = 0;
for ( int n = 0; n < opts.numIters; n++ )
{
int x1 = rand() % opts.width,
y1 = rand() % opts.height;
dc.DrawLine(x, y, x1, y1);
dc.DrawLine(x0, y0, x1, y1);
x = x1;
y = y1;
x0 = x1;
y0 = y1;
}
const long t = sw.Time();
wxPrintf("%ld lines done in %ldms = %gus/line\n",
opts.numIters, t, (1000. * t)/opts.numIters);
// Horizontal lines
wxPrintf("Benchmarking %s: ", msg);
fflush(stdout);
sw.Start();
x0 = 0;
for ( int n = 0; n < opts.numIters; n++ )
{
int x1 = rand() % opts.width;
int y = rand() % opts.height;
dc.DrawLine(x0, y, x1, y);
x0 = x1;
}
const long t2 = sw.Time();
wxPrintf("%ld horizontal lines done in %ldms = %gus/line\n",
opts.numIters, t2, (1000. * t2) / opts.numIters);
// Vertical lines
wxPrintf("Benchmarking %s: ", msg);
fflush(stdout);
sw.Start();
y0 = 0;
for ( int n = 0; n < opts.numIters; n++ )
{
int x = rand() % opts.width;
int y1 = rand() % opts.height;
dc.DrawLine(x, y0, x, y1);
y0 = y1;
}
const long t3 = sw.Time();
wxPrintf("%ld vertical lines done in %ldms = %gus/line\n",
opts.numIters, t3, (1000. * t3) / opts.numIters);
}