On Sat, 12 Apr 2008 01:53:16 -0400 Jose Gonzalez <[EMAIL PROTECTED]> babbled:
> Carsten wrote: > > >> But what I was curious about was what exactly you had in mind > >> with your: > >> > >> typedef struct _Evas_Native_Surface Evas_Native_Surface; > >> /**< A generic datatype for engine specific > >> native surface information */ > >> > >> EAPI void > >> evas_object_image_native_surface_set(Evas_Object *obj, > >> Evas_Native_Surface *surf); > >> EAPI Evas_Native_Surface * > >> evas_object_image_native_surface_get(Evas_Object *obj); > >> > > > > for example. if it's the GL engine u can set a GL texture ID directly as the > > image native surface (u will need to provide extra info like width/height, > > has alpha etc. in a small wrapper struct), or a pixmap / xrender picture > > for x11 (again need to provide some extra info like visual, format etc.). > > so evas will > > Yeah, that's what I thought you meant - though there are other > interpretations possible (eg. make a gl texture native surface work > even with a software-x11 canvas, if glx is available, etc.). > > > > then take the target-specific "native surface" and just use it as if evas > > owned/created it itself. this is how u'd do a composite manager - xrender > > engine, you pass it pixmaps/xrender pictures for native sruface as images, > > you swallow images into containers and control them. on damage events u add > > update regions to the image. evas does the rest. > > > > > What do you do if such a native surface is set and one asks > for the argb data? What do you do about users setting native surfaces > which don't match with the display targets somehow (differing x > resources for example). > I'd say - restrict native surface api to only have a 'get' > func, ie. evas provides a suitable surface for you to draw to, > but not for you to 'set' one such...? that would preclude evas ever being useful for a composite manager - as X itself provides you with the pixmap of the composited window. you don't have a choice there. -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) [EMAIL PROTECTED] ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ enlightenment-devel mailing list enlightenment-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
