[gtk/faster-resources] widget-factory: Generate resources directly

[Matthias Clasen <matthiasc src gnome org>]

commit 226e6f64b5325dd00bd468d7485519bd3204761f
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Sep 18 23:16:41 2021 -0400

    widget-factory: Generate resources directly
    
    Use a small assembler file to include the resource
    bundle into the binary. This avoids going through
    cpp and gcc with a huge input file.

 demos/widget-factory/meson.build                | 19 ++++++++++++++++---
 demos/widget-factory/widget-factory-resources.s |  6 ++++++
 2 files changed, 22 insertions(+), 3 deletions(-)
---
diff --git a/demos/widget-factory/meson.build b/demos/widget-factory/meson.build
index 1cebd4adc5..9e807848ad 100644
--- a/demos/widget-factory/meson.build
+++ b/demos/widget-factory/meson.build
@@ -3,16 +3,29 @@
 widgetfactory_resources = gnome.compile_resources('widgetfactory_resources',
   'widget-factory.gresource.xml',
   source_dir: '.',
+  extra_args: ['--external-data'],
+)
+
+custom_target('widget_factory.gresource',
+  build_by_default: true,
+  output: 'widget_factory.gresource',
+  input: ['widget-factory.gresource.xml'],
+  command: [
+    find_program('glib-compile-resources'),
+    '--generate',
+    '--target=@OUTPUT@',
+    '--sourcedir=@CURRENT_SOURCE_DIR@',
+    '@INPUT@']
 )
 
 executable('gtk4-widget-factory',
-  sources: ['widget-factory.c', widgetfactory_resources],
+  sources: ['widget-factory.c', widgetfactory_resources, 'widget-factory-resources.s'],
   c_args: common_cflags,
-  dependencies: [ libgtk_dep, demo_conf_h ],
+  dependencies: [ libgtk_dep, demo_conf_h],
   include_directories: confinc,
   gui_app: true,
   link_args: extra_demo_ldflags,
-  install: true,
+  install: true
 )
 
 # desktop file
diff --git a/demos/widget-factory/widget-factory-resources.s b/demos/widget-factory/widget-factory-resources.s
new file mode 100644
index 0000000000..31e4345af1
--- /dev/null
+++ b/demos/widget-factory/widget-factory-resources.s
@@ -0,0 +1,6 @@
+        .global widget_factory_resource_data
+widget_factory_resource_data:
+        .incbin "widget_factory.gresource"
+        .global widget_factory_resource_data_end
+widget_factory_resource_data_end:
+        .byte 0