examples: add render-pass-ext exmaple

examples/render-pass-ext/meson.build

@@ -0,0 +1,26 @@
+gles2_sources = []
+pixman_sources = []
+vulkan_sources = []
+
+ if features.get('gles2-renderer')
+ 	subdir('gles2')
+ endif
+
+subdir('pixman')
+
+# if features.get('vulkan-renderer')
+# 	subdir('vulkan')
+# endif
+
+executable(
+	'render-pass-ext',
+	[
+		'triangle_pass.c',
+		'render-pass-ext.c',
+		gles2_sources,
+		pixman_sources,
+		vulkan_sources,
+	],
+	dependencies: [wlroots, libdrm_header],
+	build_by_default: get_option('examples'),
+)