/* Copyright 2024 Red Hat, Inc.
*
* GTK is free software ; you can redistribute it and / or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation ; either version 2 of the
* License , or ( at your option ) any later version .
*
* GTK is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the GNU
* Lesser General Public License for more details .
*
* You should have received a copy of the GNU Lesser General Public
* License along with GTK ; see the file COPYING . If not ,
* see < http : //www.gnu.org/licenses/>.
*
* Author : Benjamin Otte
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <glib/gi18n-lib.h>
#include <glib/gprintf.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "gtk-rendernode-tool.h"
#include "gtk-tool-utils.h"
static void
benchmark_node (GskRenderNode *node,
const char *renderer_name,
guint runs,
gboolean download)
{
GError *error = NULL;
GskRenderer *renderer;
guint i;
renderer = create_renderer (renderer_name, &error);
if (renderer == NULL)
{
g_printerr ("Could not benchmark renderer \" %s\": %s\n" , renderer_name, error->message);
g_clear_error (&error);
return ;
}
for (i = 0 ; i < runs; i++)
{
GdkTexture *texture;
gint64 start_time, end_time, duration;
start_time = g_get_monotonic_time ();
texture = gsk_renderer_render_texture (renderer, node, NULL);
if (download)
{
GdkTextureDownloader *downloader;
GBytes *bytes;
gsize stride;
downloader = gdk_texture_downloader_new (texture);
gdk_texture_downloader_set_format (downloader, gdk_texture_get_format (texture));
gdk_texture_downloader_set_color_state (downloader, gdk_texture_get_color_state (texture));
bytes = gdk_texture_downloader_download_bytes (downloader, &stride);
g_bytes_unref (bytes);
gdk_texture_downloader_free (downloader);
}
end_time = g_get_monotonic_time ();
duration = end_time - start_time;
g_print ("%s\t%lld.%03ds\n" ,
renderer_name,
(long long ) duration / G_USEC_PER_SEC,
(int ) ((duration * 1000 / G_USEC_PER_SEC) % 1000 ));
g_object_unref (texture);
}
gsk_renderer_unrealize (renderer);
g_object_unref (renderer);
}
void
do_benchmark (int *argc,
const char ***argv)
{
GOptionContext *context;
char **filenames = NULL;
char **renderers = NULL;
gboolean nodownload = FALSE ;
int runs = 3 ;
const GOptionEntry entries[] = {
{ "renderer" , 0 , 0 , G_OPTION_ARG_STRING_ARRAY, &renderers, N_("Add renderer to benchmark" ), N_("RENDERER" ) },
{ "runs" , 0 , 0 , G_OPTION_ARG_INT, &runs, N_("Number of runs with each renderer" ), N_("RUNS" ) },
{ "no-download" , 0 , 0 , G_OPTION_ARG_NONE, &nodownload, N_("Don’t download result/wait for GPU to finish" ), NULL },
{ G_OPTION_REMAINING, 0 , 0 , G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL, N_("FILE…" ) },
{ NULL, }
};
GskRenderNode *node;
GError *error = NULL;
gsize i;
if (gdk_display_get_default () == NULL)
{
g_printerr (_("Could not initialize windowing system\n" ));
exit (1 );
}
g_set_prgname ("gtk4-rendernode-tool benchmark" );
context = g_option_context_new (NULL);
g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
g_option_context_add_main_entries (context, entries, NULL);
g_option_context_set_summary (context, _("Benchmark rendering of a .node file." ));
if (!g_option_context_parse (context, argc, (char ***)argv, &error))
{
g_printerr ("%s\n" , error->message);
g_error_free (error);
exit (1 );
}
g_option_context_free (context);
if (filenames == NULL)
{
g_printerr (_("No .node file specified\n" ));
exit (1 );
}
if (g_strv_length (filenames) > 1 )
{
g_printerr (_("Can only benchmark a single .node file\n" ));
exit (1 );
}
if (renderers == NULL || renderers[0 ] == NULL)
renderers = g_strdupv ((char **) (const char *[]) { "gl" , "vulkan" , "cairo" , NULL });
node = load_node_file (filenames[0 ]);
for (i = 0 ; renderers[i] != NULL; i++)
{
benchmark_node (node, renderers[i], runs, !nodownload);
}
gsk_render_node_unref (node);
g_strfreev (filenames);
g_strfreev (renderers);
}
Messung V0.5 in Prozent C=100 H=91 G=95
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-07-02)
¤
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