77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
//
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// benchmark-io.c: measure and compare image loading times
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//
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// Copyright (c) 2021 - 2023, Přemysl Eric Janouch <p@janouch.name>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <gdk/gdk.h>
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#include <time.h>
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#include "fiv-io.h"
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static double
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timestamp(void)
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{
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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return ts.tv_sec + ts.tv_nsec / 1.e9;
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}
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static void
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one_file(const char *filename)
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{
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GFile *file = g_file_new_for_commandline_arg(filename);
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double since_us = timestamp(), us = 0;
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FivIoOpenContext ctx = {
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.uri = g_file_get_uri(file),
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.screen_dpi = 96,
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// Only using this array as a redirect.
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.warnings = g_ptr_array_new_with_free_func(g_free),
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};
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FivIoImage *loaded_by_us = fiv_io_open(&ctx, NULL);
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g_clear_object(&file);
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g_free((char *) ctx.uri);
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g_ptr_array_free(ctx.warnings, TRUE);
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if (!loaded_by_us)
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return;
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fiv_io_image_unref(loaded_by_us);
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us = timestamp() - since_us;
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double since_pixbuf = timestamp(), pixbuf = 0;
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GdkPixbuf *gdk_pixbuf = gdk_pixbuf_new_from_file(filename, NULL);
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if (gdk_pixbuf) {
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cairo_surface_t *loaded_by_pixbuf =
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gdk_cairo_surface_create_from_pixbuf(gdk_pixbuf, 1, NULL);
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g_object_unref(gdk_pixbuf);
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cairo_surface_destroy(loaded_by_pixbuf);
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pixbuf = timestamp() - since_pixbuf;
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}
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printf("%.3f\t%.3f\t%.0f%%\t%s\n", us, pixbuf, us / pixbuf * 100, filename);
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}
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int
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main(int argc, char *argv[])
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{
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// Needed for gdk_cairo_surface_create_from_pixbuf().
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gdk_init(&argc, &argv);
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for (int i = 1; i < argc; i++)
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one_file(argv[i]);
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return 0;
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}
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