add software renderer fallback also

Author: Pentarctagon

src/sdl/window.cpp

@@ -74,20 +74,28 @@ window::window(const std::string& title,
 
 	// try using the default
 	// if that fails, try opengl
+	// and if that fails, try software
 	PLAIN_LOG << "Available renderers: " << utils::join(video::get_available_renderers(), " ");
 	if(!SDL_CreateRendererWithProperties(props)) {
-		PLAIN_LOG << "Failed to create default renderer, checking for opengl";
+		PLAIN_LOG << "Trying opengl renderer after failing to create default renderer with error: " << SDL_GetError();
 
 		if(utils::contains(video::get_available_renderers(), "opengl")) {
 			SDL_SetHint(SDL_HINT_RENDER_DRIVER, "opengl");
 
 			if(!SDL_CreateRendererWithProperties(props)) {
-				throw exception("Failed to create an opengl SDL_Renderer object as a fallback.", true);
+				PLAIN_LOG << "Trying software renderer after failing to create opengl renderer with error: " << SDL_GetError();
+
+				if(utils::contains(video::get_available_renderers(), "software")) {
+					SDL_SetHint(SDL_HINT_RENDER_DRIVER, "software");
+
+					if(!SDL_CreateRendererWithProperties(props)) {
+						throw exception("Failed to create software renderer.", true);
+					}
+				}
 			}
 
 			PLAIN_LOG << "Failed to create default renderer but created fallback opengl renderer";
 		} else {
-			PLAIN_LOG << "Available renderers: " << utils::join(video::get_available_renderers(), " ");
 			throw exception("Failed to create default renderer and opengl fallback isn't supported.", true);
 		}
 	}