Make the performance testcase more general

Reuse the performance test for layout and snapshot timings.

testsuite/css/performance/meson.build

@@ -1,10 +1,15 @@
 if get_option ('profiler')
-  test_css_performance = executable('test-css-performance', 'test-css-performance.c',
-                                    dependencies: [profiler_dep, platform_gio_dep, libm])
 
-  test('performance', test_css_performance,
-       args: [ join_paths(meson.current_build_dir(), '../../../demos/widget-factory/gtk4-widget-factory') ],
+  test('performance-adwaita', test_performance,
+       args: [ '--mark', 'style', join_paths(meson.current_build_dir(), '../../../demos/widget-factory/gtk4-widget-factory') ],
        env: [ 'GTK_THEME=Adwaita',
               'GSETTINGS_SCHEMA_DIR=@0@'.format(gtk_schema_build_dir) ],
        suite: [ 'css' ])
+
+  test('performance-empty', test_performance,
+       args: [ '--mark', 'style', join_paths(meson.current_build_dir(), '../../../demos/widget-factory/gtk4-widget-factory') ],
+       env: [ 'GTK_THEME=Empty',
+              'GSETTINGS_SCHEMA_DIR=@0@'.format(gtk_schema_build_dir) ],
+       suite: [ 'css' ])
+
 endif

testsuite/gtk/meson.build

@@ -186,3 +186,22 @@ if get_option('install-tests')
 
 endif
 
+if get_option ('profiler')
+
+  test('performance-layout', test_performance,
+       args: [ '--mark', 'layout', join_paths(meson.current_build_dir(), '../../demos/widget-factory/gtk4-widget-factory') ],
+       env: [ 'GTK_THEME=Empty',
+              'GSETTINGS_SCHEMA_DIR=@0@'.format(gtk_schema_build_dir) ],
+       suite: [ 'css' ])
+
+endif
+
+if get_option ('profiler')
+
+  test('performance-snapshot', test_performance,
+       args: [ '--mark', 'snapshot', join_paths(meson.current_build_dir(), '../../demos/widget-factory/gtk4-widget-factory') ],
+       env: [ 'GTK_THEME=Empty',
+              'GSETTINGS_SCHEMA_DIR=@0@'.format(gtk_schema_build_dir) ],
+       suite: [ 'css' ])
+
+endif

testsuite/meson.build

@@ -6,6 +6,7 @@ installed_test_datadir = join_paths(gtk_datadir, 'installed-tests', 'gtk-4.0')
 # otherwise we're going to have failures down the line
 diff = find_program('diff', required: true)
 
+subdir('performance')
 subdir('gdk')
 subdir('gsk')
 subdir('gtk')

testsuite/performance/meson.build

@@ -0,0 +1,4 @@
+if get_option ('profiler')
+  test_performance = executable('test-performance', 'test-performance.c',
+                                dependencies: [profiler_dep, platform_gio_dep, libm])
+endif