Hi all,
Recently, I've tried to enable my opengles application run on
tizen-ivi, the qt part of my application can show on tizen-ivi, but how to
enable the opengles part show on it?
My latest patch crashed again, the following sequences describe what I
do on for the opengles parts:
1. wl_display_connect(NULL) à return a global g_nativeDisplay object, I
see someone do it, so that I do it.
2. wl_display_get_registry, wl_registry_add_listener, wl_display_dispatch
-> some APIs I'm not familiar, I see someone do it, so that I do it.
3. wl_egl_window_create(NULL,1280,720) à return a nativeWindow object
which will be passed for EGL to Create Window Surface, I believe that the
"NULL"(wl_surface*) parameter lead to the crash. But I have no idea how to get
a wl_surface object.
4. eglGetDisplay, eglInitialize, eglChooseConfig, eglCreateContext,
eglCreateWindowSurface, eglMakeCurrent, eglQuerySurface, these APIs all work
fine, return no error.
5. eglSwapBuffers, lead to the crash, trace the bt, I find that it is
because wl_surface is NULL,
(gdb) bt
#0 0xb7e35a85 in wl_proxy_create () from /lib/libwayland-client.so.0
#1 0xb7e1ac10 in wl_surface_frame (wl_surface=0x0)
at /home/jacky/Apps/Wayland/include/wayland-client-protocol.h:1355
#2 0xb7e1bfbb in dri2_wl_swap_buffers_with_damage (drv=0x8730f88,
disp=0x8730300, draw=0x87cc380, rects=0x0, n_rects=0)
at platform_wayland.c:617
#3 0xb7e1c309 in dri2_wl_swap_buffers (drv=0x8730f88, disp=0x8730300,
draw=0x87cc380) at platform_wayland.c:702
#4 0xb7e19739 in dri2_swap_buffers (drv=0x8730f88, dpy=0x8730300,
surf=0x87cc380) at egl_dri2.c:1074
#5 0xb7e0cd03 in eglSwapBuffers (dpy=0x8730300, surface=0x87cc380)
at eglapi.c:811
I searched the internet but get less useful information, even now , I plan to
make some fake data to initialize the wl_surface, but I have not got the
definition for the struct "wl_surface", just a
url(http://wayland.freedesktop.org/docs/html/protocol-spec-interface-wl_surface.html
) describe how to use its function, no initialize function...
My next plan is to read the QtWayland source codes if still got no useful
information....
It is so different from X11 who only need to prepare a window passed to EGL, So
far, I've learned I need prepare a wl_egl_window and a wl_surface for EGL on
wayland, wl_egl_window need wl_surface, width and height to create, wl_surface
seems need compositor(wl_compositor_create_surface )to create, so compositor
need what to create? May I need to create a compositor firstly?
Best Regards,
Jacky Ni
CONFIDENTIALITY NOTICE: The information contained in this message may be
privileged and/or confidential. If you are not the intended recipient, or
responsible for delivering this message to the intended recipient, any review,
forwarding, dissemination, distribution or copying of this communication or any
attachment(s) is strictly prohibited. If you have received this message in
error, please notify the sender immediately, and delete it and all attachments
from your computer and network.
_______________________________________________
IVI mailing list
[email protected]
https://lists.tizen.org/listinfo/ivi
