benchmarks: Add simple widget benchmark

2 files changed, 127 insertions, 0 deletions

diff --git a/benchmarks/meson.build b/benchmarks/meson.build
index 3705618772..d790a3d7a7 100644
--- a/benchmarks/meson.build
+++ b/benchmarks/meson.build
@@ -3,6 +3,7 @@
 gtk_benchmarks = [
   ['containers'],
   ['css'],
+  ['widget'],
 ]
 
 foreach b : gtk_benchmarks
diff --git a/benchmarks/widget.c b/benchmarks/widget.c
new file mode 100644
index 0000000000..53e20ca5d5
--- /dev/null
+++ b/benchmarks/widget.c
@@ -0,0 +1,126 @@
+#include <gtk/gtk.h>
+#include "benchmark.h"
+
+/* Command line options */
+const char *profile_benchmark_name = NULL;
+static GOptionEntry options[] = {
+  { "profile", 'p', 0, G_OPTION_ARG_STRING, &profile_benchmark_name, "Benchmark name to profile using callgrind", NULL },
+  { NULL }
+};
+
+
+static void
+set_parent_benchmark (Benchmark *b,
+                      gsize      size,
+                      gpointer   user_data)
+{
+  guint i;
+  GtkWidget *w;
+  GtkWidget **widgets;
+
+  widgets = g_malloc (sizeof (GtkWidget *) * size);
+  w = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+
+  for (i = 0; i < size; i ++)
+    {
+      widgets[i] = gtk_button_new ();
+    }
+
+  benchmark_start (b);
+  for (i = 0; i < size; i ++)
+    {
+      gtk_widget_set_parent (widgets[i], w);
+    }
+  benchmark_stop (b);
+
+
+  g_free (widgets);
+}
+
+static void
+reorder_benchmark (Benchmark *b,
+                   gsize      size,
+                   gpointer   user_data)
+{
+  guint i;
+  GtkWidget *w;
+  GtkWidget **widgets;
+
+  widgets = g_malloc (sizeof (GtkWidget *) * size);
+  w = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+
+  for (i = 0; i < size; i ++)
+    {
+      widgets[i] = gtk_button_new ();
+      gtk_widget_set_parent (widgets[i], w);
+    }
+
+  benchmark_start (b);
+  for (i = 0; i < size; i ++)
+    {
+      /* Move this child to the very end */
+      gtk_widget_insert_before (widgets[i], w, NULL);
+    }
+  benchmark_stop (b);
+
+  g_free (widgets);
+}
+
+static void
+get_size_benchmark (Benchmark *b,
+                    gsize      size,
+                    gpointer   user_data)
+{
+  guint i;
+  GtkWidget *w;
+  int width, height;
+  int button_width;
+  int button_height;
+
+  w = gtk_button_new ();
+
+  gtk_widget_measure (w, GTK_ORIENTATION_HORIZONTAL, -1, &width, NULL, NULL, NULL);
+  gtk_widget_measure (w, GTK_ORIENTATION_VERTICAL, width, &height, NULL, NULL, NULL);
+
+  button_width = 200 + width;
+  button_height = 300 + height;
+
+  gtk_widget_size_allocate (w,
+                            &(GtkAllocation){0, 0, button_width, button_height}, -1);
+
+  benchmark_start (b);
+  for (i = 0; i < size; i ++)
+    {
+      width = gtk_widget_get_width (w);
+      height = gtk_widget_get_height (w);
+    }
+  benchmark_stop (b);
+
+  g_assert_cmpint (width, <=, button_width);
+  g_assert_cmpint (height, <=, button_height);
+}
+
+int
+main (int argc, char **argv)
+{
+  BenchmarkSuite suite;
+  GOptionContext *option_context;
+  GError *error = NULL;
+
+  option_context = g_option_context_new ("");
+  g_option_context_add_main_entries (option_context, options, NULL);
+  if (!g_option_context_parse (option_context, &argc, &argv, &error))
+    {
+      g_printerr ("Option parsing failed: %s\n", error->message);
+      return 1;
+    }
+
+  benchmark_suite_init (&suite, profile_benchmark_name);
+  gtk_init ();
+
+  benchmark_suite_add (&suite, "set_parent", 10000, set_parent_benchmark, NULL);
+  benchmark_suite_add (&suite, "reorder", 10000, reorder_benchmark, NULL);
+  benchmark_suite_add (&suite, "get_size", 10000, get_size_benchmark, NULL);
+
+  return benchmark_suite_run (&suite);
+}