Removed direct OpenGL calls in the SDL Window module

src/modules/graphics/opengl/Graphics.cpp

@@ -127,6 +127,9 @@ bool Graphics::setMode(int width, int height, bool fullscreen, bool vsync, int f
 
 	initializeContext();
 
+	// Make sure antialiasing works when set elsewhere
+	glEnable(GL_MULTISAMPLE);
+
 	// Enable blending
 	glEnable(GL_BLEND);
 
@@ -138,6 +141,10 @@ bool Graphics::setMode(int width, int height, bool fullscreen, bool vsync, int f
 	glEnable(GL_POINT_SMOOTH);
 	glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
 
+	// Auto-generated mipmaps should be the best quality possible
+	if (GLEE_VERSION_1_4 || GLEE_SGIS_generate_mipmap)
+		glHint(GL_GENERATE_MIPMAP_HINT, GL_NICEST);
+
 	// Enable textures
 	glEnable(GL_TEXTURE_2D);
 	setActiveTextureUnit(0);

src/modules/graphics/opengl/wrap_Graphics.cpp

@@ -1391,7 +1391,7 @@ extern "C" int luaopen_love_graphics(lua_State *L)
 		{
 			instance = new Graphics();
 		}
-		catch(Exception &e)
+		catch (love::Exception &e)
 		{
 			return luaL_error(L, e.what());
 		}