https://bugs.freedesktop.org/show_bug.cgi?id=77260
--- Comment #1 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 the assignee for the bug.
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