From 3542839c6b6ac2f36b174dbd603d55d56ca02fde Mon Sep 17 00:00:00 2001
From: bw <bh@icystar.com>
Date: Jan 09 2021 10:57:19 +0000
Subject: disable multisampling for imcompatible devices


---

diff --git a/src/world.c b/src/world.c
index 5bc50ce..94d645a 100644
--- a/src/world.c
+++ b/src/world.c
@@ -460,13 +460,20 @@ static int init() {
 	
 	unsigned int flags = SDL_WINDOW_OPENGL;
 	if (resizable) flags |= SDL_WINDOW_RESIZABLE;
+	
 	window = SDL_CreateWindow(
-		title,
-		SDL_WINDOWPOS_CENTERED,
-		SDL_WINDOWPOS_CENTERED,
-		width,
-		height,
-		flags );
+		title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
+		width, height, flags );
+	
+	if (!window) {
+		// try to create window without multisampling
+		SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
+		SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);
+		window = SDL_CreateWindow(
+			title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
+			width, height, flags );
+	}
+	
 	
 	if (!window) {
 		fprintf(stderr, "helianthus: cannot create window: %s\n", SDL_GetError());