SDLdemo

sdldemo/Makefile

@@ -0,0 +1,12 @@
+CC ?= gcc
+CFLAGS ?= -Wall -O2 -lSDL2
+
+TARGET = main.elf
+SRC = main.c
+
+$(TARGET): $(SRC)
+	@echo CC $@
+	@$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
+
+clean:
+	rm -f $(TARGET)

sdldemo/main.c

@@ -0,0 +1,40 @@
+#include <SDL2/SDL.h>
+#include <stdio.h>
+
+int main() {
+    if (SDL_Init(SDL_INIT_VIDEO) != 0) {
+        printf("SDL_Init Error: %s\n", SDL_GetError());
+        return 1;
+    }
+
+    SDL_Window *win = SDL_CreateWindow("Simple Window", 100, 100, 640, 480, SDL_WINDOW_SHOWN);
+    if (!win) {
+        printf("SDL_CreateWindow Error: %s\n", SDL_GetError());
+        SDL_Quit();
+        return 1;
+    }
+
+    SDL_Renderer *renderer = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED);
+    if (!renderer) {
+        SDL_DestroyWindow(win);
+        printf("SDL_CreateRenderer Error: %s\n", SDL_GetError());
+        SDL_Quit();
+        return 1;
+    }
+
+    SDL_SetRenderDrawColor(renderer, 0, 0, 255, 255); // Blue background
+    SDL_RenderClear(renderer);
+
+    SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255); // Red rectangle
+    SDL_Rect rect = {100, 100, 200, 150};
+    SDL_RenderFillRect(renderer, &rect);
+
+    SDL_RenderPresent(renderer);
+
+    SDL_Delay(3000); // Wait 3 seconds
+
+    SDL_DestroyRenderer(renderer);
+    SDL_DestroyWindow(win);
+    SDL_Quit();
+    return 0;
+}