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explicit performance tests variants

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This commit is contained in:
Sean Barrett 2014-09-13 06:53:53 -07:00
parent c9600c012f
commit 972456cb63
1 changed files with 19 additions and 6 deletions
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25
tests/resample_test.cpp
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@ -145,15 +145,28 @@ static void performance(int argc, char **argv)
{
unsigned char* input_pixels;
unsigned char* output_pixels;
int w, h;
int w, h, count;
int n, i;
int out_w, out_h;
int out_w, out_h, srgb=1;
input_pixels = stbi_load(argv[1], &w, &h, &n, 0);
out_w = w/4;
out_h = h/4;
#if 0
out_w = w/4; out_h h/4; count=100; // 1
#elif 0
out_w = w*2; out_h = h/4; count=20; // 2 // note this is structured pessimily, would be much faster to downsample vertically first
#elif 0
out_w = w/4; out_h = h*2; count=50; // 3
#elif 0
out_w = w*3; out_h = h*3; count=5; srgb=0; // 4
#else
out_w = w*3; out_h = h*3; count=3; // 5 // this is dominated by linear->sRGB conversion
#endif
output_pixels = (unsigned char*) malloc(out_w*out_h*n);
for (i=0; i < 100; ++i)
stbir_resize_uint8_srgb(input_pixels, w, h, 0, output_pixels, out_w, out_h, 0, n, -1,0);
for (i=0; i < count; ++i)
if (srgb)
stbir_resize_uint8_srgb(input_pixels, w, h, 0, output_pixels, out_w, out_h, 0, n, -1,0);
else
stbir_resize_uint8(input_pixels, w, h, 0, output_pixels, out_w, out_h, 0, n);
exit(0);
}