sdl 2x scale

~/SDL/Scale2x/scale2x.c

@@ -0,0 +1,11 @@
+#define WIDTH 320
+#define HEIGHT 192
+
+#define SCALE 2
+
+SDL_Window * window = SDL_CreateWindow("SDL 2x scale",
+SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, WIDTH, HEIGHT, 0);
+SDL_Renderer * renderer = SDL_CreateRenderer(window, -1, 0);
+
+SDL_SetWindowSize(window, WIDTH * SCALE, HEIGHT * SCALE);
+SDL_RenderSetScale(renderer, SCALE, SCALE);