isloate sdl logic to window class

CMakeLists.txt

@@ -34,6 +34,7 @@ add_executable(ouros
 target_include_directories(ouros PRIVATE
     "${CMAKE_CURRENT_SOURCE_DIR}/"
     "${CMAKE_CURRENT_SOURCE_DIR}/src"
+    "${VULKAN_PATH}/Include"
 )
 
 if(WIN32)

README.md

@@ -74,5 +74,6 @@ $ ./build/ouros --debug=0b00111111
 where each bit in the mask corresponds to a debug level, in order: unused, unused, fatal, trace, error, warning, notice, and info. `0b1111111` enables all debug messages. 
 
 ## Additional Resources
- - https://howtovulkan.com/
+ - https://howtovulkan.com/, primary guide, most up-to-date (2026, Vulkan v1.4)
+ - https://vkguide.dev/, Vulkan v1.3, but provides a lot of guidance on a more robustly architectured Vulkan app
  - Will add more as I use them

src/app/App.cpp

@@ -1,6 +1,9 @@
 
 #include "App.hpp"
 
+#include <thread>
+#include <chrono>
+
 #include "utils/utils.hpp"
 
 App::App() {
@@ -24,22 +27,25 @@ int App::run() {
 
     utils::debugPrint(__FUNCTION__, __LINE__, "Run app.", utils::DebugLevel::Trace);
 
-    bool quit = false;
-	while (!quit) {
+    SDL_Event event;
+	while (window_->open()) {
         // app loop for as long as the window is open
-        // other threads might be able to change quit to true to auto close in the future
 
-        SDL_Event event;
-        while(SDL_PollEvent(&event)) { // TODO: pass event handling to window
-            if(event.type == SDL_EVENT_QUIT ) {
-                quit = true;
-            }
+        // pass events to the window
+        while(SDL_PollEvent(&event) != 0) {
+            window_->handleEvent(event);
         }
 
         // pass vulkan handling to engine
         // call engine.render() or something
         // engine has a pointer to window so can handle pushing to the screen
 
+        if(window_->rendering()) {
+            engine_->draw();
+        } else {
+            std::this_thread::sleep_for(std::chrono::milliseconds(100)); // wait until the window is visible again
+        }
+
     }
 
     // SDL teardown handled in window destructor

src/app/App.hpp

@@ -22,4 +22,6 @@ private:
     Window* window_;
     Engine* engine_;
 
+    bool rendering_ = true;
+
 };

src/app/Window.cpp

@@ -1,6 +1,8 @@
 
 #include "Window.hpp"
 
+#include <SDL3/SDL_events.h>
+
 Window::Window() {
 
     (void)init();
@@ -18,6 +20,25 @@ int Window::init() {
 
     sdlWindow_ = SDL_CreateWindow("Ouros: Vulkan", 1280u, 720u, SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE);
 
-    return (sdlWindow_ == nullptr);
+    if(sdlWindow_ != nullptr) {
+        rendering_ = true;
+        open_ = true;
+        return 0;
+    } else {
+        return -1;
+    }
 
 }
+
+void Window::handleEvent(SDL_Event& event) {
+
+    if(event.type == SDL_EVENT_QUIT ) {
+        open_ = false;
+    }
+
+    if(event.type == SDL_EVENT_WINDOW_MINIMIZED) {
+        rendering_ = false;
+    } else if(event.type == SDL_EVENT_WINDOW_RESTORED) {
+        rendering_ = true;
+    }
+}

src/app/Window.hpp

@@ -2,7 +2,7 @@
 #pragma once
 
 #include "SDL3/SDL.h"
-#include "SDL3/SDL_Vulkan.h"
+#include "SDL3/SDL_vulkan.h"
 
 // reference: https://wiki.libsdl.org/SDL3/SDL_CreateWindow
 
@@ -13,6 +13,11 @@ public:
     Window();
     ~Window();
 
+    void handleEvent(SDL_Event& event);
+
+    bool rendering() { return rendering_; }
+    bool open() { return open_; }
+
 private:
 
     // launches window
@@ -23,4 +28,7 @@ private:
 
     SDL_Window* sdlWindow_;
 
+    bool rendering_ = false;
+    bool open_ = false;
+
 };

src/engine/Engine.cpp

@@ -36,8 +36,15 @@ void Engine::init() {
         utils::debugPrint(__FUNCTION__, __LINE__, "Error creating Vulkan instance", utils::DebugLevel::Error);
     }
 
-}
-
-void Engine::process() {
+    // next steps:
+    // device selection and setup
+    // queue creation
+    // vulkan memory allocator
+    // create vulkan surface
+    // attach surface to window
+
+}
+
+void Engine::draw() {
 
 }

src/engine/Engine.hpp

@@ -14,8 +14,8 @@ public:
 
     void init();
     
-    // process is called every render iteration in that while loop
-    void process();
+    // draw is called every render iteration in that while loop
+    void draw();
 
 private: