[Gambas-user] Allocations non freed.

[Jorge Carrión]

Oh! Sorry Fabien. Now I read that you question is for Tobi, not for me.

Sorry for the noise.

Regards


2013/10/31 Fabien Bodard <gambas.fr at ...626...>

> tTemp=null to free the object But i'm not sure that solve all. You have
> tester your class as it ?
>
>
>
> 2013/10/29 Tobias Boege <taboege at ...626...>
>
> > On Mon, 28 Oct 2013, Kevin Fishburne wrote:
> > > On 10/28/2013 03:50 PM, Tobias Boege wrote:
> > > > On Mon, 28 Oct 2013, Jorge Carri?n wrote:
> > > >> I have a component who inherits from gridview.
> > > >> It's not a complicated thing, but when its included in a project
> > allways
> > > >> produced a warning in the console about allocations non freed like
> > this.
> > > >>
> > > >> gbx3: warning: 82 allocation(s) non freed.
> > > >>
> > > >> I have read that it references to variables who remains allocated in
> > ram
> > > >> after the end of the program but I don't any clue about how prevent
> > this.
> > > >>
> > > >> I've coded something like this in al close event of all parts of the
> > > >> component
> > > >>
> > > >> variableObjecA=null
> > > >> variableNumericB=0
> > > >> variableStringC=""
> > > >>
> > > >> But the warning still remains.
> > > >>
> > > >> Someone knows a way to prevent or debug this?
> > > >>
> > > >> Thanks in advance.
> > > >>
> > > > I don't really know a good way to debug it. A solution might be to
> > send your
> > > > project to this list so we could have a look.
> > > >
> > > > BTW, 82 is an impressive number! I never came above 10. :-)
> > > >
> > > > Regards,
> > > > Tobi
> > >
> > > Mine have gotten in the 800's, possibly higher, so I'd like to know
> > > what's up with that as well. In my case I think it may have something
> to
> > > do with arrays of structures where one of the structure properties is
> an
> > > array of OpenGL textures. Here are some snippets:
> > >
> >
> > Doesn't sound harmful what you describe. However, if you have any
> circular
> > references in this hierarchy (strictly speaking, if you have, it is not a
> > hierarchie anymore but let's be sloppy on this), Gambas will get problems
> > automatically freeing your objects. But IIRC, in this case, Gambas will
> > detect that you have produced circular references and tell you so.
> >
> > Also, it can be that whatever component deals with OpenGL textures (maybe
> > gb.opengl?) is buggy. Maybe it doesn't release all memory it
> allocated...?
> >
> > > Public Struct Render_Texture
> > >    Loaded As Boolean
> > >    FileName As String
> > >    ID As Integer[]
> > >    SubID As Short
> > >    Width As Short
> > >    Height As Short
> > >    Frames As Short
> > >    LastUsed As Single
> > > End Struct
> > >
> > > Public tiPWO[32768] As Struct Render_Texture
> > >
> > > Public Sub Textures_PWO_Load()
> > >
> > >    ' Load all PWO images into OpenGL textures.
> > >
> > >    ' General declarations.
> > >    Dim Counter1 As Short ' General Counter.
> > >    Dim Counter2 As Short ' General Counter.
> > >
> > >    ' Load PWO textures.
> > >    For Counter1 = 0 To 32766
> > >      ' If PWO image files exist then load them into OpenGL textures.
> > >      If Exist(BasePath & "/image/pwo/" & Counter1 & "_0.png") Then
> > >        tiPWO[Counter1].ID = Gl.GenTextures(16)
> > >        For Counter2 = 0 To 15
> > >          tTemp = Image.Load(BasePath & "/image/pwo/" & Counter1 & "_" &
> > > Counter2 & ".png")
> > >          tiPWO[Counter1].Loaded = True
> > >          tiPWO[Counter1].Height = tTemp.Height
> > >          tiPWO[Counter1].Width = tTemp.Width
> > >          Gl.BindTexture(Gl.TEXTURE_2D, tiPWO[Counter1].ID[Counter2])
> > >          Gl.TexImage2D(tTemp)
> > >          Glu.Build2DMipmaps(tTemp)
> > >          Settings_MipMap(True)
> > >          Settings_Wrap(False)
> > >        Next
> > >      Endif
> > >    Next
> > >
> > >    ' Clear temporary image.
> > >    tTemp.Clear
> > >
> > > End
> > >
> >
> > Doesn't look wrong in my eyes. But the OpenGL stuff is a black box to me.
> >
> > Regards,
> > Tobi
> >
> > --
> > "There's an old saying: Don't change anything... ever!" -- Mr. Monk
> >
> >
> >
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>
> --
> Fabien Bodard
>
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