diff --git a/private/sdl_gpu_test/0_triangle_with_texcoords/app.cpp b/private/sdl_gpu_test/0_triangle_with_texcoords/app.cpp
index 96b8033..c6c8e99 100644
--- a/private/sdl_gpu_test/0_triangle_with_texcoords/app.cpp
+++ b/private/sdl_gpu_test/0_triangle_with_texcoords/app.cpp
@@ -12,7 +12,7 @@ struct Vertex
     glm::vec2 texCoord;
 };
 
-void TriangleWithTexcoordsApp::init(std::span<const char*> args)
+void TriangleWithTexcoordsApp::init(const AppInitArgs& args)
 {
     Application::init(args);
 
@@ -88,9 +88,9 @@ void TriangleWithTexcoordsApp::init(std::span<const char*> args)
     uploadVertexData(mVertexBuffer, std::span(vertices.begin(), vertices.end()));
 }
 
-void TriangleWithTexcoordsApp::update()
+void TriangleWithTexcoordsApp::update(const AppUpdateArgs& args)
 {
-    Application::update();
+    Application::update(args);
 
     sdlpp::GPUCommandBuffer cmdBuffer = mDevice.acquireCommandBuffer();
     Uint32 swapchainWidth = 0, swapchainHeight = 0;
diff --git a/private/sdl_gpu_test/0_triangle_with_texcoords/app.hpp b/private/sdl_gpu_test/0_triangle_with_texcoords/app.hpp
index e3eccf8..c952273 100644
--- a/private/sdl_gpu_test/0_triangle_with_texcoords/app.hpp
+++ b/private/sdl_gpu_test/0_triangle_with_texcoords/app.hpp
@@ -14,8 +14,8 @@ private:
     sdlpp::GPUBuffer mVertexBuffer;
     sdlpp::GPUGraphicsPipeline mPipeline;
 public:
-    void init(std::span<const char*> args) override;
-    void update() override;
+    void init(const AppInitArgs& args) override;
+    void update(const AppUpdateArgs& args) override;
 };
 } // namespace sdl_gpu_test
 
diff --git a/private/sdl_gpu_test/application.cpp b/private/sdl_gpu_test/application.cpp
index a515045..46ded9a 100644
--- a/private/sdl_gpu_test/application.cpp
+++ b/private/sdl_gpu_test/application.cpp
@@ -6,7 +6,7 @@
 
 namespace sdl_gpu_test
 {
-void Application::init(std::span<const char*> args)
+void Application::init(const AppInitArgs& args)
 {
     mWindow.create({
         .title = "SDL_gpu Test",
@@ -19,22 +19,24 @@ void Application::init(std::span<const char*> args)
     });
     mDevice.claimWindow(mWindow);
 
-    fs::path executablePath = fs::absolute(fs::path(args[0])).parent_path();
+    fs::path executablePath = fs::absolute(fs::path(args.programArgs[0])).parent_path();
     mFileSystem.emplaceAdapter<mijin::RelativeFileSystemAdapter<mijin::OSFileSystemAdapter>>(executablePath.parent_path() / "assets");
 }
 
-void Application::cleanup()
+void Application::cleanup(const AppCleanupArgs&)
 {
 }
 
-void Application::update()
+void Application::update(const AppUpdateArgs&)
 {
 
 }
 
 void Application::run(std::span<const char*> args)
 {
-    init(args);
+    init({
+        .programArgs = args
+    });
     while (mRunning)
     {
         std::optional<sdlpp::sdl_event_t> event;
@@ -45,9 +47,9 @@ void Application::run(std::span<const char*> args)
                     [](const auto&) {} // default handler
             }, *event);
         }
-        update();
+        update({});
     }
-    cleanup();
+    cleanup({});
 }
 
 
diff --git a/private/sdl_gpu_test/application.hpp b/private/sdl_gpu_test/application.hpp
index 988142b..883e953 100644
--- a/private/sdl_gpu_test/application.hpp
+++ b/private/sdl_gpu_test/application.hpp
@@ -14,6 +14,21 @@
 
 namespace sdl_gpu_test
 {
+struct AppInitArgs
+{
+    std::span<const char*> programArgs;
+};
+
+struct AppCleanupArgs
+{
+
+};
+
+struct AppUpdateArgs
+{
+
+};
+
 class Application
 {
 protected:
@@ -24,9 +39,9 @@ protected:
 public:
     virtual ~Application() noexcept = default;
 
-    virtual void init(std::span<const char*> args);
-    virtual void cleanup();
-    virtual void update();
+    virtual void init(const AppInitArgs& args);
+    virtual void cleanup(const AppCleanupArgs& args);
+    virtual void update(const AppUpdateArgs& args);
 
     void run(std::span<const char*> args);