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  1. JDK
  2. JDK-8235147

Release HDC from passiveDCList sooner

    Details

    • Subcomponent:
      2d
    • Resolved In Build:
      b13
    • OS:
      windows

      Description

      When a DC becomes unused, it is moved from activeDCList to passiveDCList to be released later. It will stay in the passiveDCList until a new DC is requested for the same window or the window is destroyed.

      In a scenario where several windows are created, shown, and then hidden, the stale DCs will be in the passiveDCList for quite a while. These DC will never be used again, they will be released sooner or later.

      Thus we can release all DC from passiveDCList when a request for a new DC is received. It will reduce Java usage of GDI resources.

        Attachments

        1. ManyFramesTest.java
          1 kB
        2. printHDC.diff
          4 kB
        3. printHDC.log
          12 kB

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              • Assignee:
                aivanov Alexey Ivanov
                Reporter:
                aivanov Alexey Ivanov
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                • Created:
                  Updated:
                  Resolved: