Lindo, unless you can provide us the code of your driver, I don't think we can debug your problem.
Regards, Le dimanche 22 novembre 2009 à 16:53 +0530, Lindo Lonappan a écrit : > Dear Lionel/All, > > A gentle remainder. Sorry for the inconvenience. > We don't get any replay for the last mail. > We are expecting some hints from you. If any one has any idea please > share with us. > > Thanks & Regards, > Lindo Lonappan. > > > -------- Original Message -------- > Dear Lionel, > > Thanks for your reply. > > We don't get the exact meaning of your question. Our observations are > given below, > > We have a gfxdriver written for DirectFB-1.0. When we use this driver > for DirectFB-1.0, we got DFB_NOVIDEOMEMORY error on video memory > underflow. > We made some modification in this driver to compatible with > DirectFB-1.4(Since we observed some changes for Data Structures (like > CoreSurface) in between these two versions.). And we are using this > driver for DirectFB-1.4. > > We expect buffer allocation is done by our gfxdriver since we got > DFB_NOVIDEOMEMORY error for DirecrFB-.10. > > Regards, > Lindo > > Lionel Landwerlin wrote: > > Does you gfxdriver implement buffer allocation ? > > > > > > On Thu, Nov 12, 2009 at 3:20 PM, Lindo Lonappan > > <li...@tataelxsi.co.in> wrote: > > Dear Lionel/All, > > > > Thanks Lionel for your response. > > > > Currently we are calling Lock() after CreateSurface(). > > But we don't get any error on Lock() after complete usage of > > video memory. > > > > We tried to call the function, > > > > surface->Clear(surface, 0 , 0, 0, 255); > > > > after calling CreateSurface(). But in that case, system hang > > on Clear() function. > > > > The surface format we used is DSPF_UYVY. > > Is there any issue for Clear() on YUV surface since there is > > no alpha value. > > > > Can any one please tell what should we do next?? > > > > Thanks a lot!!! > > > > Regards, > > Lindo. > > > > > > ------------------------------ > > > > Message: 2 > > Date: Thu, 12 Nov 2009 07:10:02 +0100 > > From: Lionel Landwerlin <llandwer...@gmail.com> > > Subject: Re: [directfb-dev] For CreateSurface, > > DFB_NOVIDEOMEMORY error > > is not getting even if there is no video > > memory( In DirectFB-1.4.2) > > To: directfb-dev@directfb.org > > Message-ID: <1258006202.24296.31.ca...@coalu.atr> > > Content-Type: text/plain; charset="UTF-8" > > > > Ok, now I remember that in directfb 1.4, buffers are > > allocated at the > > last moment. So you need to make at least one > > operation on your buffers > > to be sure they have been allocated. > > > > For example you can that : > > > > surface = SuperSurface->CreateSurface(...) > > ret = surface->Clear(...) > > /* check if ret == DFB_NOVIDEOMEMORY */ > > > > or > > surface = SuperSurface->CreateSurface(...) > > ret = surface->Lock(...) > > /* check if ret == DFB_NOVIDEOMEMORY */ > > surface->Unlock(...) > > > > > > Le jeudi 12 novembre 2009 ? 10:55 +0530, Lindo > > Lonappan a ?crit : > > > > Dear Lionel/All, > > > > Our configuration is "system=fbdev" and > > gfxdriver is a proprietary > > one. > > > > Regards, > > Lindo > > > > ------------------------------ > > > > Message: 5 > > Date: Wed, 11 Nov 2009 14:04:05 > > +0100 > > From: Lionel Landwerlin > > <llandwer...@gmail.com> > > Subject: Re: [directfb-dev] For > > CreateSurface, DFB_NOVIDEOMEMORY > > error > > is not getting even if there > > is no video memory( In > > DirectFB-1.4.2) > > To: directfb-dev@directfb.org > > Message-ID: > > <1257944645.24296.10.ca...@coalu.atr> > > Content-Type: text/plain; > > charset="UTF-8" > > > > Le mercredi 11 novembre 2009 ? 17:56 > > +0530, Lindo Lonappan a ?crit : > > > > Dear all, > > > > Our question is related to > > DirectFB-1.4.2. > > > > We are working in an > > embedded platform. > > > > We are creating > > IDirectFBSurface using > > CreateSurface() API. In the > > test application we are > > creating a lot of surfaces. > > We are using the following > > settings in > > DFBSurfaceDescription, > > .... > > surfaceDesc.flags = > > DSDESC_CAPS | ....; > > surfaceDesc.caps = > > DSCAPS_VIDEOONLY; > > .... > > > > But even after complete > > usage of video memory, the > > CreateSurface() is not > > returning any error. We > > expect an DFBResult > > DFB_NOVIDEOMEMORY in this > > scenario. We get this > > DFBResult when we test with > > DirectFB-1.0. > > > > Is this is a bug in > > DirectFB-1.4? > > > > If yes, can any one please > > tell, what should we do to > > solve this or where should > > we look? > > > > If this is not a bug, what > > should we do to know video > > memory underflow happened? > > > > > > What system/gfxdriver are you > > using ? > > > > > > > > _______________________________________________ > > directfb-dev mailing list > > directfb-dev@directfb.org > > http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev > > > _______________________________________________ > directfb-dev mailing list > directfb-dev@directfb.org > http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev -- Lionel Landwerlin _______________________________________________ directfb-dev mailing list directfb-dev@directfb.org http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev