#include <SDL2/SDL.h>
#include <SDL2/SDL2_gfxPrimitives.h>
#include <stdlib.h>

#define WIDTH (800)
#define HEIGHT (600)

int main()
{
	SDL_Window *window;
	SDL_Renderer *renderer;
	Sint16 vx[] = { 100, 300, 200 };
	Sint16 vy[] = { 100, 100, 300 };

	window = SDL_CreateWindow("SDL2 GFX", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, WIDTH, HEIGHT, SDL_WINDOW_OPENGL);
	if (!window) {
		fprintf(stderr, "error: %s\n", SDL_GetError());
		return -1;
	}

	renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
	if (!renderer) {
		fprintf(stderr, "error: %s\n", SDL_GetError());
		return -1;
	}

	filledPolygonColor(renderer, vx, vy, 3, 0xFFFF0000);

	SDL_RenderPresent(renderer);
	SDL_Delay(3000);

	SDL_DestroyRenderer(renderer);
	SDL_DestroyWindow(window);
}