enable ligatures for JDK 13+, text layout is faster there (using same logic as in JetBrains Runtime)

GitOrigin-RevId: b49fad2939e89eb3818cbf3252f0b8d296ecc648

platform/lang-impl/src/com/intellij/application/options/colors/AbstractFontOptionsPanel.java

@@ -1,6 +1,7 @@
 // Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.application.options.colors;
 
+import com.intellij.Patches;
 import com.intellij.application.options.EditorFontsConstants;
 import com.intellij.icons.AllIcons;
 import com.intellij.ide.IdeTooltipManager;
@@ -9,7 +10,6 @@ import com.intellij.openapi.application.ApplicationNamesInfo;
 import com.intellij.openapi.editor.colors.EditorColorsManager;
 import com.intellij.openapi.editor.colors.FontPreferences;
 import com.intellij.openapi.editor.colors.ModifiableFontPreferences;
-import com.intellij.openapi.util.SystemInfo;
 import com.intellij.ui.DocumentAdapter;
 import com.intellij.ui.FontComboBox;
 import com.intellij.ui.FontInfoRenderer;
@@ -125,7 +125,7 @@ public abstract class AbstractFontOptionsPanel extends JPanel implements Options
                                                ApplicationBundle.message("ligatures.jre.warning",
                                                                          ApplicationNamesInfo.getInstance().getFullProductName())));
     warningIcon.setBorder(JBUI.Borders.emptyLeft(5));
-    warningIcon.setVisible(!SystemInfo.isJetBrainsJvm);
+    warningIcon.setVisible(!areLigaturesAllowed());
     panel.add(warningIcon);
     c.gridx = 0;
     c.gridy = 4;
@@ -322,12 +322,16 @@ public abstract class AbstractFontOptionsPanel extends JPanel implements Options
     myEditorFontSizeField.setEnabled(!readOnly);
     mySizeLabel.setEnabled(!readOnly);
 
-    myEnableLigaturesCheckbox.setEnabled(!readOnly && SystemInfo.isJetBrainsJvm);
+    myEnableLigaturesCheckbox.setEnabled(!readOnly && areLigaturesAllowed());
     myEnableLigaturesCheckbox.setSelected(fontPreferences.useLigatures());
 
     myIsInSchemeChange = false;
   }
 
+  private static boolean areLigaturesAllowed() {
+    return !Patches.TEXT_LAYOUT_IS_SLOW;
+  }
+
   protected void updateCustomOptions() {
   }
 

platform/util/src/com/intellij/Patches.java

@@ -138,4 +138,9 @@ public class Patches {
    * Ultimately fixed by <a href="https://bugs.openjdk.java.net/browse/JDK-8147994">JDK-8147994</a>.
    */
   public static final boolean JDK_BUG_ID_8147994 = !(SystemInfo.isMac || SystemInfo.isJavaVersionAtLeast(8, 0, 102));
+
+  /**
+   * https://bugs.openjdk.java.net/browse/JDK-8220231
+   */
+  public static final boolean TEXT_LAYOUT_IS_SLOW = !SystemInfo.isJetBrainsJvm && !SystemInfo.isJavaVersionAtLeast(13);
 }

platform/util/src/com/intellij/openapi/util/SystemInfo.java

@@ -191,6 +191,10 @@ public class SystemInfo extends SystemInfoRt {
     }
   }
 
+  public static boolean isJavaVersionAtLeast(int major) {
+    return isJavaVersionAtLeast(major, 0, 0);
+  }
+
   public static boolean isJavaVersionAtLeast(int major, int minor, int update) {
     return JavaVersion.current().compareTo(JavaVersion.compose(major, minor, update, 0, false)) >= 0;
   }