- added the code for legacy shaders.

- force texture filtering for 2D to off when in software rendering.

src/v_video.cpp

@@ -111,6 +111,8 @@ CUSTOM_CVAR(Int, vid_rendermode, 4, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOIN
 		// [SP] Update pitch limits to the netgame/gamesim.
 		players[consoleplayer].SendPitchLimits();
 	}
+	screen->SetTextureFilterMode();
+
 	// No further checks needed. All this changes now is which scene drawer the render backend calls.
 }