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Bug#256936: marked as done (xfree86-common: [FAQ] add entry about flickering cursors)

Your message dated Fri, 25 Feb 2011 21:38:37 +0100
with message-id <20110225203837.GA29978@debian.org>
and subject line Re: Bug#256936: xfree86-common: [FAQ] add entry about flickering cursors
has caused the Debian Bug report #256936,
regarding xfree86-common: [FAQ] add entry about flickering cursors
to be marked as done.

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If this is not the case it is now your responsibility to reopen the
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256936: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=256936
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--- Begin Message --- 
Package: xfree86-common
Version: 4.3.0.dfsg.1-5
Severity: wishlist

Use the following to write a FAQ entry.

On Mon, 2004-06-14 at 19:46, Michel Dänzer wrote:
> On Sun, 2004-06-13 at 23:33 -0400, Jonathan Brandmeyer wrote:
> > On Sun, 2004-06-13 at 18:13, Michel Dänzer wrote:
> > > On Sun, 2004-06-13 at 17:56 -0400, Jonathan Brandmeyer wrote:
> > > > 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
> > > hardware.
> >
> > According to the function NVUseHWCursorARGB() in
> > xc/programs/Xserver/hw/xfree86/drivers/nv/nv_cursor.c, the hardware does
> > support it if the cursor size is less than 64x64 pixels.
>
> That's not the whole story. pNv->alphaCursor is only set for newer
> chipsets. Are you sure your chipset supports ARGB cursors?

Well, according to the nv_driver.c, only GeForce 2 and newer NVIDIA
chipsets support ARGB cursors.  All of the docs that I can find only say
that "True color" hardware cursors are supported, with no mention of an
alpha channel.  Sounds like its time for an upgrade :)

Thanks for your time and patience.

-- 
G. Branden Robinson                |     If the jury can count higher than
Debian GNU/Linux                   |     two, the case will fail.
branden@debian.org                 |     -- Tom Lane, on Forgent's claim of
http://people.debian.org/~branden/ |        a patent on JPEG

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--- Begin Message --- 
Branden Robinson <branden@debian.org> (29/06/2004):
> Use the following to write a FAQ entry.
> […]

Not sure it's still current, closing for now.

KiBi.

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