--- a/hedgewars/CCHandlers.inc	Wed Nov 11 21:54:28 2009 +0000
+++ b/hedgewars/CCHandlers.inc	Fri Nov 13 20:33:31 2009 +0000
@@ -601,10 +601,13 @@
 
 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
 {$IFDEF IPHONEOS}
-//remove these if they cause incompatibility
+// remove these if they cause incompatibility
 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
 SDL_GL_SetAttribute(SDL_GL_RETAINED_BACKING, 1);
 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);
+{$ELSE}
+// this attribute is default in 1.3
+SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, 1);
 {$ENDIF}
 
 flags:= SDL_OPENGL;// or SDL_RESIZABLE;

--- a/hedgewars/SDLh.pas	Wed Nov 11 21:54:28 2009 +0000
+++ b/hedgewars/SDLh.pas	Fri Nov 13 20:33:31 2009 +0000
@@ -474,11 +474,16 @@
 		SDL_GL_STEREO,
 		SDL_GL_MULTISAMPLEBUFFERS,
 		SDL_GL_MULTISAMPLESAMPLES,
+{$IFDEF SDL13}
 		SDL_GL_ACCELERATED_VISUAL,
 		SDL_GL_RETAINED_BACKING,
 		SDL_GL_CONTEXT_MAJOR_VERSION,
 		SDL_GL_CONTEXT_MINOR_VERSION
-		);
+{$ELSE}
+		SDL_GL_SWAP_CONTROL,
+		SDL_GL_ACCELERATED_VISUAL
+{$ENDIF}
+);
 
 {$IFDEF SDL13}
 	TSDL_ArrayByteOrder = (  // array component order, low byte -> high byte