src/windows/classes/sun/java2d/opengl/WGLGraphicsConfig.java

rev 1536 : 8147077: IllegalArgumentException thrown by api/java_awt/Component/FlipBufferStrategy/indexTGF_General
8148127: IllegalArgumentException thrown by JCK test api/java_awt/Component/FlipBufferStrategy/indexTGF_General in opengl pipeline
Reviewed-by: flar, arapte

*** 321,332 ****
       * image wrapper.
       */
      @Override
      public VolatileImage createBackBuffer(WComponentPeer peer) {
          Component target = (Component)peer.getTarget();
          return new SunVolatileImage(target,
!                                     target.getWidth(), target.getHeight(),
                                      Boolean.TRUE);
      }
  
      /**
       * Performs the native WGL flip operation for the given target Component.
--- 321,336 ----
       * image wrapper.
       */
      @Override
      public VolatileImage createBackBuffer(WComponentPeer peer) {
          Component target = (Component)peer.getTarget();
+         // it is possible for the component to have size 0x0, adjust it to
+         // be at least 1x1 to avoid IAE
+         int w = Math.max(1, target.getWidth());
+         int h = Math.max(1, target.getHeight());
          return new SunVolatileImage(target,
!                                     w, h,
                                      Boolean.TRUE);
      }
  
      /**
       * Performs the native WGL flip operation for the given target Component.