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Bug#254257: libxcursor1: Xrendered Xcursor rendering artifacts & flicker

On Sun, 2004-06-13 at 17:56 -0400, Jonathan Brandmeyer wrote:
> The latest GNOME upgrades shifted /etc/alternatives/x-cursor-theme to 
> the high-quality Industrial theme cursors.  That change exposed 
> one or more bugs in the way that XRender renders cursors on the 
> screen.
> First, the cursor will flicker whenever doing one of several drag 
> actions that causes the parent window to be redrawn: window resizing by 
> drag, resizing a window pane, and during the rendering of webpages in 
> Galeon or Mozilla.
> Second, when using Blender, the various OpenGL-drawn widgets are not 
> being updated properly when you move the mouse accross them.  Also, 
> whenever dragging a model through some movement, there is noticable 
> distortion around the area covered by the mouse.
> Finally, in a simple OpenGL program that does nothing but swap its 
> buffers (attached), the mouse will disappear entirely when it hovers 
> over the window and remains still.  As you move the mouse within the 
> window, it reappears but flickers.

Sounds like expected side effects of software cursors. If you can't live
with them, don't use ARGB cursors or use a driver that supports them in

Earthling Michel Dänzer      |     Debian (powerpc), X and DRI developer
Libre software enthusiast    |   http://svcs.affero.net/rm.php?r=daenzer

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