https://bugs.freedesktop.org/show_bug.cgi?id=77260
--- Comment #2 from Rohit Nandan <[email protected]> --- EGL 1.4, ubuntu 12.04 ,x64. Had no info of shell and registry On Thu, Apr 10, 2014 at 11:51 AM, <[email protected]> wrote: > *Comment # 1 <https://bugs.freedesktop.org/show_bug.cgi?id=77260#c1> on > bug 77260 <https://bugs.freedesktop.org/show_bug.cgi?id=77260> from Pekka > Paalanen <[email protected]> * > > I am puzzled about your question. > > To create an EGLSurface, you will need to create a wl_surface as the first > step. You cannot do that without creating a wl_registry, binding to > wl_compositor, and sending a wl_compositor request to create the wl_surface. > > Furthermore, the wl_surface will not be mapped until you tell the server what > it is. You are creating a top-level window, so you have to use wl_shell or > xdg_shell to say it is a top-level window. To access wl_shell or xdg_shell, > you > again need wl_registry. > > If you do not tell the server what the wl_surface is for, the surface will > never be mapped, and hence wl_surface.frame callbacks will never fire. EGL > will > internally wait for the frame callback of the previous eglSwapBuffers, if you > have swap interval greater than 0. So, without mapping a surface, EGL can > indeed get stuck, because the frames you render will never get to screen. > > But I still do not understand how you could ever work without wl_registry. Are > you not telling the whole story, like are you using a toolkit of some kind? Or > are you trying to do off-screen rendering without a real window? > > What EGL implementation are you using? On what platform? > > What do you mean by blocked, exactly? Have a gdb backtrace? > > ------------------------------ > You are receiving this mail because: > > - You are on the CC list for the bug. > - You reported the bug. > > -- You are receiving this mail because: You are the assignee for the bug.
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