minimal sdl app

src/main.cpp

@@ -1,5 +1,64 @@
+#include "SDL_video.h"
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+
+#include <memory>
+#include <future>
+#include <iostream>
 
 int main(int argc, char** argv) {
+	if (SDL_Init(SDL_INIT_EVERYTHING) < 0) {
+		std::cerr << "SDL_Init failed (" << SDL_GetError() << ")\n";
+		return 1;
+	}
+	// me just messing with RAII cleanup
+	auto sdl_scope = std::async(std::launch::deferred, &SDL_Quit);
+
+
+	// more RAII
+	std::unique_ptr<SDL_Window, decltype(&SDL_DestroyWindow)> window {
+		SDL_CreateWindow("tomato", 640, 480, SDL_WINDOW_RESIZABLE),
+		&SDL_DestroyWindow
+	};
+
+	if (!window) {
+		std::cerr << "SDL_CreateWindow failed (" << SDL_GetError() << ")\n";
+		return 1;
+	}
+
+	// more RAII
+	std::unique_ptr<SDL_Renderer, decltype(&SDL_DestroyRenderer)> renderer {
+		SDL_CreateRenderer(window.get(), nullptr, 0),
+		&SDL_DestroyRenderer
+	};
+
+	if (!window) {
+		std::cerr << "SDL_CreateWindow failed (" << SDL_GetError() << ")\n";
+		return 1;
+	}
+
+	bool quit = false;
+	while (!quit) {
+		SDL_Event event;
+		while (SDL_PollEvent(&event)) {
+			if (event.type == SDL_EVENT_QUIT) {
+				quit = true;
+				break;
+			}
+		}
+		if (quit) {
+			break;
+		}
+
+		SDL_SetRenderDrawColor(renderer.get(), 0x10, 0x10, 0x10, SDL_ALPHA_OPAQUE);
+		SDL_RenderClear(renderer.get());
+
+		SDL_FRect rect{100, 100, 100, 100};
+		SDL_SetRenderDrawColor(renderer.get(), 0xff, 0x00, 0x00, SDL_ALPHA_OPAQUE);
+		SDL_RenderRect(renderer.get(), &rect);
+
+		SDL_RenderPresent(renderer.get());
+	}
 
 	return 0;
 }