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Re: [Openev-discuss] "gv_view_area_get_share_list" function failed on OpenEV2 Windows environment
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From: s d. <syl...@ya...> - 2008-12-27 19:55:22
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Hi Sanak,
OK, thanks for the feedback.
So this whole pixmap trick might be overkill!
Bellow is a patch to capture the spirit of both of your patchs.
It's a bit higher in the GTK food chain. It basically grab the
glcontext for share_list at realize time. No need for
gv_view_area_get_share_list() then.
But I can't test it on Windows ..
Sylvain.
------------>8------------------------
--- gvviewarea.c.orig 2008-12-27 13:50:40.000000000 -0500
+++ gvviewarea.c.new 2008-12-27 14:14:19.000000000 -0500
@@ -363,19 +363,19 @@
klass->view_state_changed = NULL;
}
+static GdkGLContext *_share_list = NULL;
+
static void
gv_view_area_init(GvViewArea *view)
{
- GdkGLContext *glcontext = NULL;
- GdkGLConfig *glconfig;
-
- /* ---- Obtain shared GL context ---- */
- glcontext = gv_view_area_get_share_list(view);
- glconfig = gdk_gl_context_get_gl_config(glcontext);
-
+ GdkGLConfig *glconfig = gdk_gl_config_new_by_mode (GDK_GL_MODE_RGB |
+ GDK_GL_MODE_DEPTH |
+ GDK_GL_MODE_DOUBLE);
+
/* ---- Enable GL capability ---- */
gtk_widget_set_gl_capability (GTK_WIDGET(view), glconfig,
- glcontext, TRUE, GDK_GL_RGBA_TYPE);
+ _share_list, TRUE, GDK_GL_RGBA_TYPE);
+
view->state.tx = view->state.ty = view->state.rot = 0.0;
view->state.zoom = 0.0;
@@ -1992,6 +1992,10 @@
g_return_if_fail(GTK_WIDGET_REALIZED(widget));
+ if (NULL==_share_list && gtk_widget_is_gl_capable(widget)) {
+ _share_list = gtk_widget_get_gl_context(widget);
+ }
+
/* Make gl area current so layers can create gl handles */
if (!gv_view_area_make_current(view)) return;
--- On Sat, 12/27/08, Sanak <geo...@gm...> wrote:
> From: Sanak <geo...@gm...>
> Subject: Re: [Openev-discuss] "gv_view_area_get_share_list" function failed on OpenEV2 Windows environment
> To: ope...@li..., syl...@ya...
> Date: Saturday, December 27, 2008, 6:24 PM
> Hi Sylvain,
>
> I had checked linked gv.lib, and the dependency
> libraries(GTK+), but the
> result was the same.
>
> I think that the better way is that the pending code is
> used for only
> recovery from failure of the
> "gv_view_area_get_share_list" function.
>
> After apply the following modification, testmain and openev
> works fine on my
> Windows environment.
>
> ===================================================================
> --- gvviewarea.c (revision 104)
> +++ gvviewarea.c (working copy)
> @@ -371,7 +371,14 @@
>
> /* ---- Obtain shared GL context ---- */
> glcontext = gv_view_area_get_share_list(view);
> - glconfig = gdk_gl_context_get_gl_config(glcontext);
> + if (glcontext != NULL) {
> + glconfig =
> gdk_gl_context_get_gl_config(glcontext);
> + } else {
> + g_print("couldn't get share list. use old
> mode.\n");
> + glconfig = gdk_gl_config_new_by_mode
> (GDK_GL_MODE_RGB |
> +
> GDK_GL_MODE_DEPTH |
> +
> GDK_GL_MODE_DOUBLE);
> + }
>
> /* ---- Enable GL capability ---- */
> gtk_widget_set_gl_capability (GTK_WIDGET(view),
> glconfig,
>
> ===================================================================
>
> Regards,
>
> Sanak.
>
> 2008/12/26 s duclos <syl...@ya...>
>
> > Hi,
> >
> > I had the same errors as you in:
> > OpenEV2_2008122501_svn-trunk_r104.PNG (44KB),
> >
> > Do you have "ldd" or something equivalent ..
> I used that
> > to find the libraries dependency. This is how I found
> that my own
> > version of testmain was linking to gtk-1.2 as well as
> gtk-2.0.
> >
> > Maybe your testmain is using an old libgv.so!
> >
> >
> > I just made a fresh build from svn openev2/trunk, my
> testmain output
> > is the same as you in:
> > OpenEV2_2008122501_apply_pending_source.PNG (29KB)
> >
> >
> > This what I did to the Makefiles so that it compile on
> my machine:
> >
> > openev2/trunk/src/lib/gv/Makefile:
> > -removed gv_override.c \
> > -add CC += -fPIC
> >
> > openev2/trunk/resource/mklocal/Linux:
> > -remove -levtess (in your case this would be in
> CYGWIN..)
> >
> >
> >
> >
> > Then I went into openev2/trunk/src and run 'make
> install'
> >
> > I putted libgv.so in LD_LIBRARY_PATH:
> > $sudo cp ../output/lib/lib.Linux/libgv.so
> /usr/local/lib
> >
> > Then I just run testmain:
> > $ ../output/bin/bin.Linux/testmain
> >
> >
> >
> > This is not a final solution .. but it might give us
> clue as of
> > what is going wrong on your side.
> >
> > I tought that GTK2 (and so OpenEV2) added some sort of
> 'nativeness'
> > to openev on win32 .. so this puzzling!
> >
> >
> > Thanks,
> >
> > Sylvain.
> >
> >
> > --- On Thu, 12/25/08, Sanak <geo...@gm...>
> wrote:
> >
> > > From: Sanak <geo...@gm...>
> > > Subject: Re: [Openev-discuss]
> "gv_view_area_get_share_list" function
> > failed on OpenEV2 Windows environment
> > > To: ope...@li...
> > > Date: Thursday, December 25, 2008, 10:15 AM
> > > Hi,
> > >
> > > I had build and executed the
> src/cc/testmain/testmain.c on
> > > my Windows
> > > environment, and the result was the same.(see
> attach
> > > images)
> > >
> > > I don't know that the cause is the graphic
> board
> > > problem, or the GtkGLExt
> > > Windows version's problem.
> > >
> > > My environment details is as follows.
> > >
> > > CPU: Intel Core2 Quad Q9450
> > > OS: Windows XP SP3
> > > Graphic board: NVIDIA GeForce 9800 GT
> > > Compiler: Microsoft Visual Studio.NET 2003 SP1
> > > Gtk+: 2.12.9-win32-2 (include GtkGLExt)
> > > Gdal: 1.6.0
> > > Python: 2.5.1
> > > PyCairo: 1.4.12-1.win32-py25
> > > PyGObject: 2.14.1-1.win32-py2.5
> > > PyGtk: 2.12.1-2.win32-py25
> > > Numpy: 1.2.1-win32-superpack-python25
> > >
> > > Regards,
> > >
> > > Sanak.
> > >
> > > 2008/12/25 Mario Beauchamp
> <st...@gm...>
> > >
> > > > Hi Sylvain,
> > > >
> > > > On Wed, Dec 24, 2008 at 11:43 AM, s duclos
> > > <syl...@ya...>
> > > > wrote:
> > > > >
> > > > > Wait! try building
> openev2/trunk/src/cc/testmain
> > > (you might need
> > > > > to fix the config in resource/, for
> instance I
> > > had to remove -ltess
> > > > > and also fix the include path when
> building
> > > libgv.so)
> > > >
> > > > Sorry, I didn't touch the makefiles... I
> find it
> > > easier to manage the
> > > > build/install process with setup.py.
> > > > I'll be glad to commit any modifications
> you make.
> > > >
> > > > > Then run ./testmain to see what happen
> .. if
> > > nothing goes wrong then
> > > > > the problem is in the libs deps above
> libgv.so.
> > > >
> > > > Also, I figured that libgv.so (does anyone
> link to
> > > it?) was not
> > > > necessary for OpenEV that's why setup.py
> only
> > > builds _gv.so.
> > > > Again, if any changes are necessary in the
> makefiles
> > > to make that
> > > > work, pass them along.
> > > >
> > > > > For instance, I was pulling somehow
> libgtk-1.2.so
> > > and GTK got all
> > > > > confused in
> gv_view_area_get_share_list() and
> > > going the old way
> > > > > didn't fix the problem.
> > > >
> > > > Ah I see! Maybe that was the problem right
> from the
> > > start!
> > > >
> > > > > Testmain sit right above libgv.so and
> it does a
> > > gv_view_area_new() call
> > > > > right from the start. This call, in
> turn, trigger
> > > Mario's hack to pull a
> > > > > glcontext from a pixmap in a platform
> neutral way
> > > (petty cool in fact:).
> > > >
> > > > Actually, that was Vexcell's hack which
> they found
> > > on gtkglext ml ;)
> > > >
> > > > > Anyway I can confirm that testmain in
> svn trunk
> > > work on a fairly recent
> > > > > Ubuntu AMD 64.
> > > >
> > > > Cool! I'm also running it on a x86_64.
> > > >
> > > > Thanks for jumping in Sylvain!
> > > >
> > > > cheers
> > > > --
> > > > Mario B.
> > > >
> > >
> >
> ------------------------------------------------------------------------------
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> > > Openev-discuss mailing list
> > > Ope...@li...
> > >
> https://lists.sourceforge.net/lists/listinfo/openev-discuss
> >
> >
> >
> >
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