<DIV>Hi,</DIV>
<DIV> I wrote a video driver in Xorg 1.3 in Fedora 7. I implement hardware acceleration of 2D </DIV>
<DIV>operation. I use software cursor in my driver. There is a problem with the cursor. You can </DIV>
<DIV>see how to reproduce the problem as following.<BR> 1. open a window, for example a terminal<BR> 2. click the window title bar with the left button of the mouse(do not release the button) </DIV>
<DIV>and continuously drag the window to other places in the screen randomly<BR> 3. release the left button of the mouse<BR> Now you can see the window of the terminal is corrupted. Among the window rectangular </DIV>
<DIV>region, there are several cursor images which cover the window image. You can see the screen </DIV>
<DIV>shot in the attach files.<BR> Normally if I move the cursor from one place to another(not dragging a window), everything </DIV>
<DIV>is OK.<BR> Then I do some further test. In my driver I implement ScreenToScreenCopy acceleration. </DIV>
<DIV>If I disable ScreenToScreenCopy acceleration, the problem disappears.<BR> Can you give me some comments about my problem? If you need some more information, please </DIV>
<DIV>let me know.</DIV>
<DIV> Harry<BR></DIV>