> Try doing a flip of the primary surface after the blit.
One more note, if the offscreen surface has double buffer you should
call Flip() with the flag DSFLIP_BLIT after RenderTo().
>
> On Thu, Nov 27, 2008 at 11:47 AM, vijay anand <[EMAIL PROTECTED]> wrote:
>>
>> Hi,
>>
>> I have created a separate surface with DFBSurfaceCapabilities flags
>> (DSCAPS_DOUBLE | DSCAPS_VIDEOONLY).
>> Please refer the attached test code which uses a separate (user) surface
>> for Blit function. After Blitting the user surface into Primary surface it
>> shows black screen instead of blitted image.
>> Any idea about this behavior? Please help to resolve this issue.
>>
>> Regards,
>> Vijay
>> ________________________________
>> From: Amarinder Singh Sethi <[EMAIL PROTECTED]>
>> To: vijay anand <[EMAIL PROTECTED]>
>> Cc: directfb-users@directfb.org
>> Sent: Thursday, 27 November, 2008 11:37:52 AM
>> Subject: Re: [directfb-users] create surface/display layer failed
>>
>> If your requirement is just to have a surface to draw something to be
>> blitted onto the primary surface later, then you don't really need a new
>> layer. You can create a new surface and do all your drawings there. After
>> this you can do a blit onto the primary surface.
>>
>> On Wed, Nov 5, 2008 at 12:52 PM, vijay anand <[EMAIL PROTECTED]>
>> wrote:
>>>
>>> Hi,
>>>
>>> In our application we are have 2 layers (primary and video layer).. I'm
>>> trying to create
>>> 3rd layer via GetDisplayLayer (or CreateSurface) for drawing images into
>>> that and later
>>> we want to blit that surface into primary surface. Please refer the below
>>> code
>>> block which we use to create user layer. But it fails. We are unable to
>>> test
>>> blit functions. kindly help to resolve this issue.
>>>
>>> CreateUserLayer
>>> ()
>>> {
>>> IDirectFBDisplayLayer
>>> *pdisplaylayer;
>>>
>>> dfb->GetDisplayLayer
>>> ( dfb, 2, &pdisplaylayer ); // this api call returns failure
>>>
>>> if (ret || !
>>> pdisplaylayer)
>>>
>>> {
>>>
>>> printf("failed to GetDisplayLayer\n");
>>> return
>>> false;
>>>
>>> }
>>> }
>>>
>>> Regards,
>>> Vijay
>>>
>>>
>>> Add more friends to your messenger and enjoy! Go to
>>> http://messenger.yahoo.com/invite/
>>>
>>> _______________________________________________
>>> directfb-users mailing list
>>> directfb-users@directfb.org
>>> http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users
>>
>>
>>
>> --
>> ---------------
>> Thanks
>> Amarinder
>>
>> ________________________________
>> Get rid of Add-Ons in your email ID. Get [EMAIL PROTECTED] Sign up
>> now!
>
>
> --
> ---------------
> Thanks
> Amarinder
>
> _______________________________________________
> directfb-users mailing list
> directfb-users@directfb.org
> http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users
>
>
--
Best Regards
Nikita Egorov
[EMAIL PROTECTED]
[EMAIL PROTECTED]
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