Route startup resources through app core

src/app.cpp

@@ -143,11 +143,6 @@ void apply_app_scissor_test(bool enabled)
         LOG("OpenGL scissor test failed: %s", status.message);
 }
 
-[[nodiscard]] GLint rgba8_internal_format() noexcept
-{
-    return static_cast<GLint>(pp::renderer::gl::rgba8_internal_format());
-}
-
 [[nodiscard]] GLenum linear_texture_filter() noexcept
 {
     return static_cast<GLenum>(pp::renderer::gl::linear_texture_filter());
@@ -450,12 +445,16 @@ void App::init()
             LOG("App startup persistence failed: %s", persistence_status.message);
     }
 
-    initShaders();
-    initAssets();
-    initLayout();
-    title_update();
-
-    uirtt.create(width, height, -1, rgba8_internal_format(), true);
+    const auto startup_resources = pp::app::plan_app_startup_resources(width, height);
+    if (!startup_resources) {
+        LOG("App startup resource plan failed: %s", startup_resources.status().message);
+    } else {
+        const auto resource_status = pp::panopainter::execute_legacy_app_startup_resources(
+            *this,
+            startup_resources.value());
+        if (!resource_status.ok())
+            LOG("App startup resources failed: %s", resource_status.message);
+    }
 
     if (startup_plan) {
         const auto startup_status = pp::panopainter::execute_legacy_app_startup_runtime_plan(