minimal sdl app

This commit is contained in:
Green Sky 2023-07-25 23:59:35 +02:00
parent e4d2987c54
commit a0122d38f2
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@ -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;
}