[bug #13593] The windows are drawed slowly on remote displays

[anonymous-27]

URL:
  <http://savannah.gnu.org/bugs/?func=detailitem&item_id=13593>

                 Summary: The windows are drawed slowly on remote displays
                 Project: GNUstep
            Submitted by: fedor
            Submitted on: Fri 07/01/2005 at 00:49
                Category: Application
                Severity: 3 - Normal
              Item Group: Bug
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open

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Details:

Package: libgnustep-gui0.9
Version: 0.9.5-1
Tags: forwarded

[If you reply, please keep the CC to nnn@...]

When I tried to use the GNUstep application remotely on a diskless X
terminal I noticed that the contents of the windows is drawed very
slowly - pixel by pixel, row by row, so that the whole process of
drawing is clearly visible.  The non-GNUstep windows draw fast.

If I try to select a few files in the Viewer (in Icon mode) by enclosing
them in a rectangle (with the mouse) the rectangle resizes unacceptably
slow.  Notice that the rectangle in the root window of Window Maker
draws very fast.




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[anonymous-27]

Follow-up Comment #1, bug #13593 (project gnustep):

2 points,
- ps ops over network
- a mechanism to cache bitmap in the backend.

i think gnustep should try not to pass the bitmap over network.
a seperated server is required  so we can pass only ps ops around.
and bitmap image representation should be cached in -back
some how. may be we can have a special bitmap representation
that allow a mechanism to annouce changes onto the bitmap data
so we can copy neccessary part over network?

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[Paolo Bonzini-2]

Update of bug #13593 (project gnustep):

                Category:             Application => Backend                


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[Paolo Bonzini-2]

Update of bug #13593 (project gnustep):

                  Status:                    None => Works For Me          

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Follow-up Comment #2:

Adam, does this still happen? I export display and xlib. While it is clearly
slower than other non-gnustep apps, I do not experience it "so extreme" as you
describe.
I used to experience it that bad on 256 color displays before faster rawing
was implemented by some kind soul.

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