Enabled gl30 by default, will likely crash on certain devices...

android/src/mindustry/android/AndroidLauncher.java

@@ -180,6 +180,7 @@ public class AndroidLauncher extends AndroidApplication{
         }, new AndroidApplicationConfiguration(){{
             useImmersiveMode = true;
             hideStatusBar = true;
+            useGL30 = true;
         }});
         checkFiles(getIntent());
 

core/src/mindustry/world/consumers/ConsumeLiquids.java

@@ -8,7 +8,6 @@ import mindustry.ui.*;
 import mindustry.world.*;
 import mindustry.world.meta.*;
 
-//TODO test!
 public class ConsumeLiquids extends Consume{
     public final LiquidStack[] liquids;
 

desktop/src/mindustry/desktop/DesktopLauncher.java

@@ -41,10 +41,8 @@ public class DesktopLauncher extends ClientLauncher{
                 maximized = true;
                 width = 900;
                 height = 700;
-                //enable gl3 with command-line argument
-                if(Structs.contains(arg, "-gl3")){
-                    gl30 = true;
-                }
+                //gl30 now default, disable with argument.
+                gl30 = !Structs.contains(arg, "-gl2");
                 if(Structs.contains(arg, "-antialias")){
                     samples = 16;
                 }

ios/src/mindustry/ios/IOSLauncher.java

@@ -177,7 +177,9 @@ public class IOSLauncher extends IOSApplication.Delegate{
                 forced = false;
                 UINavigationController.attemptRotationToDeviceOrientation();
             }
-        }, new IOSApplicationConfiguration());
+        }, new IOSApplicationConfiguration(){{
+            useGL30 = true;
+        }});
     }
 
     @Override