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image redraw broken with git sources

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image redraw broken with git sources Michael Natterer 02 Oct 21:09
  524D4DDA.7080601@gimp.org 03 Oct 11:11
   image redraw broken with git sources Elle Stone 03 Oct 11:11
    image redraw broken with git sources Michael Natterer 03 Oct 11:25
  image redraw broken with git sources Helmut Jarausch 03 Oct 08:40
1380735354.11545.0@numa-be 03 Oct 08:40
Michael Natterer
2013-10-02 21:09:22 UTC (over 10 years ago)

image redraw broken with git sources

On 10/02/2013 07:35 PM, Helmut Jarausch wrote:

Hi,

I've built gegl and gimp from GIT sources. The speed of displaying a new image has much improved recently.
Unfortunately, image updating due to scrolling or a redraw event scrambles the image completely.

Is it only here (Gentoo Linux, bleeding edge, gcc-4.7.3) or is it a known bug?

You are probably suffering from a cairo issue, either too old cairo, or you are running cairo with the xcb backend.

--Mitch

Helmut Jarausch
2013-10-03 08:40:04 UTC (over 10 years ago)

image redraw broken with git sources

On 10/02/2013 11:09:22 PM, Michael Natterer wrote:

On 10/02/2013 07:35 PM, Helmut Jarausch wrote:

Hi,

I've built gegl and gimp from GIT sources. The speed of displaying a new image
has much improved recently.
Unfortunately, image updating due to scrolling or a redraw event scrambles the
image completely.

Is it only here (Gentoo Linux, bleeding edge, gcc-4.7.3) or is it a known bug?

You are probably suffering from a cairo issue, either too old cairo, or you
are running cairo with the xcb backend.

Many thanks, Michael! That solved the problem, indeed. It's just unfortunate that I had to remove the awesome window manager since on my
(Gentoo) system, awesome needs cairo with xcb enabled.

Helmut.

Elle Stone
2013-10-03 11:11:16 UTC (over 10 years ago)

image redraw broken with git sources

I'm using cairo-1.12.14-r4 with use flags

+ + xcb : Support the X C-language Binding, a replacement for Xlib - - xlib-xcb : Use XCB renderer backend for acceleration over xlib

Would things draw faster to the screen if I enabled xlib-xcb? Or would drawing to the screen break?

cairo-1.12.16 is available in gentoo but masked. Helmut, which version of cairo are you using? Mitch, what version of cairo do you recommend?

Elle Stone
http://ninedegreesbelow.com

Just because it's a standard, doesn't mean it's right.
Michael Natterer
2013-10-03 11:25:40 UTC (over 10 years ago)

image redraw broken with git sources

On 10/03/2013 01:11 PM, Elle Stone wrote:

I'm using cairo-1.12.14-r4 with use flags

+ + xcb : Support the X C-language Binding, a replacement for Xlib - - xlib-xcb : Use XCB renderer backend for acceleration over xlib

Would things draw faster to the screen if I enabled xlib-xcb? Or would drawing to the screen break?

cairo-1.12.16 is available in gentoo but masked. Helmut, which version of cairo are you using? Mitch, what version of cairo do you recommend?

Hi Elle,

I use git master without any configure options except --prefix.

That's not really a recommendation, but it works for me :)

Regards, --Mitch