Name: gm110360 Date: 09/05/2001


java version "1.4.0-beta2"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta2-b77)
Java HotSpot(TM) Client VM (build 1.4.0-beta2-b77, mixed mode)

After changing display mode to full screen mode, if I don't add a delay, the
first draw to the graphics received from buffer strategy bombs, big time:

Generated log file:


An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x6D05D4A1
Function=Win32SurfaceData_GetWindow+0x95B
Library=C:\jdk1.4\jre\bin\awt.dll

Current Java thread:
at sun.awt.windows.Win32Renderer.doDrawLine(Native Method)
at sun.awt.windows.Win32Renderer.drawLine(Win32Renderer.java:51)
at sun.awt.windows.Win32DDRenderer.drawLine(Win32DDRenderer.java:142)
at sun.java2d.pipe.ValidatePipe.drawLine(ValidatePipe.java:37)
at sun.java2d.SunGraphics2D.drawLine(SunGraphics2D.java:1937)
at FullScreen.main(FullScreen.java:63)

Dynamic libraries:
0x00400000 - 0x00406000 C:\JDK1.4\bin\java.exe
0x77F80000 - 0x77FFB000 C:\WINNT\System32\ntdll.dll
0x77DB0000 - 0x77E0B000 C:\WINNT\system32\ADVAPI32.dll
0x77E80000 - 0x77F35000 C:\WINNT\system32\KERNEL32.DLL
0x77D40000 - 0x77DAC000 C:\WINNT\system32\RPCRT4.DLL
0x78000000 - 0x78046000 C:\WINNT\system32\MSVCRT.dll
0x6D330000 - 0x6D446000 C:\JDK1.4\jre\bin\client\jvm.dll
0x77E10000 - 0x77E74000 C:\WINNT\system32\USER32.dll
0x77F40000 - 0x77F7C000 C:\WINNT\system32\GDI32.DLL
0x77570000 - 0x775A0000 C:\WINNT\System32\WINMM.dll
0x75E60000 - 0x75E7A000 C:\WINNT\System32\IMM32.DLL
0x69F00000 - 0x69F14000 C:\WINNT\System32\sxgb.dll
0x690A0000 - 0x690AB000 C:\WINNT\System32\PSAPI.DLL
0x10000000 - 0x10009000 C:\WINNT\System32\SXGBSYS.DLL
0x6D1D0000 - 0x6D1D7000 C:\JDK1.4\jre\bin\hpi.dll
0x6D300000 - 0x6D30D000 C:\JDK1.4\jre\bin\verify.dll
0x6D210000 - 0x6D227000 C:\JDK1.4\jre\bin\java.dll
0x6D320000 - 0x6D32D000 C:\JDK1.4\jre\bin\zip.dll
0x6D000000 - 0x6D0F1000 C:\jdk1.4\jre\bin\awt.dll
0x77800000 - 0x7781D000 C:\WINNT\System32\WINSPOOL.DRV
0x77A50000 - 0x77B3A000 C:\WINNT\system32\ole32.dll
0x6D180000 - 0x6D1D0000 C:\jdk1.4\jre\bin\fontmanager.dll
0x6D2E0000 - 0x6D2E7000 C:\jdk1.4\jre\bin\nio.dll
0x75030000 - 0x75043000 C:\WINNT\System32\WS2_32.dll
0x75020000 - 0x75028000 C:\WINNT\System32\WS2HELP.DLL
0x6D2D0000 - 0x6D2DE000 C:\jdk1.4\jre\bin\net.dll
0x75050000 - 0x75058000 C:\WINNT\System32\WSOCK32.dll
0x51000000 - 0x51044000 C:\WINNT\System32\ddraw.dll
0x728A0000 - 0x728A6000 C:\WINNT\System32\DCIMAN32.dll
0x0AF50000 - 0x0B01A000 C:\WINNT\System32\G400ICD.DLL
0x0B0A0000 - 0x0B0B2000 C:\WINNT\System32\PDSHELL.DLL
0x0B1D0000 - 0x0B1F1000 C:\WINNT\System32\PDTOOLS.DLL
0x782F0000 - 0x78532000 C:\WINNT\system32\SHELL32.dll
0x70BD0000 - 0x70C1C000 C:\WINNT\system32\SHLWAPI.DLL
0x716F0000 - 0x7177A000 C:\WINNT\system32\COMCTL32.DLL
0x0B310000 - 0x0B335000 C:\WINNT\System32\PDESKRES.DLL
0x20420000 - 0x2042B000 C:\WINNT\TRAYHOOK.dll
0x77920000 - 0x77943000 C:\WINNT\system32\imagehlp.dll
0x72A00000 - 0x72A2D000 C:\WINNT\system32\DBGHELP.dll

Local Time = Wed Sep 05 15:22:09 2001
Elapsed Time = 2
#
# The exception above was detected in native code outside the VM
#
# Java VM: Java HotSpot(TM) Client VM (1.4.0-beta2-b77 mixed mode)
#

Code:

import java.awt.*;
import java.awt.image.*;

public class FullScreen {

  private static int counter = 0;
  private static final int MAX = 50;
  private static DisplayMode MODES[] =
    new DisplayMode[] {
      new DisplayMode(640, 480, 32, 0),
      new DisplayMode(640, 480, 16, 0),
      new DisplayMode(640, 480, 8, 0)
    };

  private static DisplayMode getBestDisplayMode(GraphicsDevice device) {
    for (int x=0, xn=MODES.length; x < xn; x++) {
      DisplayMode[] modes = device.getDisplayModes();
      for (int i=0, in=modes.length; i < in; i++) {
        if (modes[i].getWidth() == MODES[x].getWidth()
          && modes[i].getHeight() == MODES[x].getHeight()
          && modes[i].getBitDepth() == MODES[x].getBitDepth()
        ) {
          return MODES[x];
        }
      }
    }
    return null;
  }

  public static void main(String args[]) {
    GraphicsEnvironment graphicsEnvironment =
      GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice graphicsDevice =
      graphicsEnvironment.getDefaultScreenDevice();
    DisplayMode originalDisplayMode = graphicsDevice.getDisplayMode();

    try {
      Frame frame = new Frame();
      frame.setUndecorated(true);
      frame.setIgnoreRepaint(true);
      graphicsDevice.setFullScreenWindow(frame);
      if (graphicsDevice.isDisplayChangeSupported()) {
        graphicsDevice.setDisplayMode(getBestDisplayMode(graphicsDevice));
/*try {
    Thread.sleep(5000);
} catch(InterruptedException e) {
}*/
      }
      System.out.println("Before Create");
      frame.createBufferStrategy(2); // 2 buffers
      System.out.println("After Create");
      Rectangle bounds = frame.getBounds();
      System.out.println("After Get Bounds");
      BufferStrategy bufferStrategy = frame.getBufferStrategy();
      System.out.println("After Get Buffer Strategy");
      while (!done()) {
        Graphics g = null;
        try {
          g = bufferStrategy.getDrawGraphics();
          System.out.println("After Get Draw Graphics");
          g.setColor(Color.red);
          System.out.println("After Set Color");
          g.drawLine(counter, counter*5, bounds.width, bounds.height);
          System.out.println("After Draw Line");
          bufferStrategy.show();
          System.out.println("After Show");
        } finally {
          if (g != null) {
            g.dispose();
          }
        }
        try {
          Thread.sleep(250);
        } catch (InterruptedException ignored) {
        }
      }
    } finally {
      graphicsDevice.setDisplayMode(originalDisplayMode);
      graphicsDevice.setFullScreenWindow(null);
    }
    System.exit(0);
  }

  private static boolean done() {
    return (counter++ == MAX);
  }
}
(Review ID: 131422)
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