Hi,
> I am trying to port DirectFB to an embedded system.
> In my system, the layer has a viewport and an attached surface. In my
> Initlayer function, I associate the layer with its surface.
> When an application creates a primary surface, and draws something to it,
> how should I get the data from that surface
> to the surface associated with the viewport?
>
this is intternally managed by DirectFB.
if you make a look at:
*static DFBResult*
*IDirectFB_CreateSurface( IDirectFB *thiz,*
* const DFBSurfaceDescription *desc,*
* IDirectFBSurface **interface )*
*
*
in the file "src/idrectfb.c", there is this check:
if (caps & DSCAPS_PRIMARY) {
.
.
inside that check there is:
switch (data->level) {
.
.
.
case DFSCL_FULLSCREEN:
case DFSCL_EXCLUSIVE: {
all what you asked for happens there.
HtH.
> I haven't understood how the primary surface relates to the surface
> associated with the layer.
> Thanks for your patience,
>
> Regards
> Bobby
>
>
>
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>
>
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*
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