C++ (Cpp) WaylandNativeWindowBuffer::getNativeBuffer Examples

Example #1

File: wayland_window.cpp Project: aosp-hybris/libhybris

int WaylandNativeWindow::queueBuffer(BaseNativeWindowBuffer* buffer, int fenceFd)
{
    WaylandNativeWindowBuffer *wnb = (WaylandNativeWindowBuffer*) buffer;
    int ret = 0;

    HYBRIS_TRACE_BEGIN("wayland-platform", "queueBuffer", "-%p", wnb);
    lock();

    if (debugenvchecked == 0)
    {
        if (getenv("HYBRIS_WAYLAND_DUMP_BUFFERS") != NULL)
            debugenvchecked = 2;
        else
            debugenvchecked = 1;
    }
    if (debugenvchecked == 2)
    {
        HYBRIS_TRACE_BEGIN("wayland-platform", "queueBuffer_dumping_buffer", "-%p", wnb);
        hybris_dump_buffer_to_file(wnb->getNativeBuffer());
        HYBRIS_TRACE_END("wayland-platform", "queueBuffer_dumping_buffer", "-%p", wnb);

    }

#if ANDROID_VERSION_MAJOR>=4 && ANDROID_VERSION_MINOR>=2
    HYBRIS_TRACE_BEGIN("wayland-platform", "queueBuffer_waiting_for_fence", "-%p", wnb);
    if (fenceFd >= 0)
    {
        sync_wait(fenceFd, -1);
        close(fenceFd);
    }
    HYBRIS_TRACE_END("wayland-platform", "queueBuffer_waiting_for_fence", "-%p", wnb);
#endif

    HYBRIS_TRACE_COUNTER("wayland-platform", "fronted.size", "%i", fronted.size());
    HYBRIS_TRACE_END("wayland-platform", "queueBuffer", "-%p", wnb);
    unlock();

    return NO_ERROR;
}

Example #2

File: wayland_window.cpp Project: Ubuntu-ZF2/libhybris

int WaylandNativeWindow::queueBuffer(BaseNativeWindowBuffer* buffer, int fenceFd)
{
    WaylandNativeWindowBuffer *wnb = (WaylandNativeWindowBuffer*) buffer;
    int ret = 0;

    HYBRIS_TRACE_BEGIN("wayland-platform", "queueBuffer", "-%p", wnb);
    lock();
    wnb->busy = 1;
    unlock();
    /* XXX locking/something is a bit fishy here */
    HYBRIS_TRACE_BEGIN("wayland-platform", "queueBuffer_wait_for_frame_callback", "-%p", wnb);

    while (this->frame_callback && ret != -1) {
        ret = wl_display_dispatch_queue(m_display, this->wl_queue);
    }


    if (ret < 0) {
        TRACE("wl_display_dispatch_queue returned an error");
        HYBRIS_TRACE_END("wayland-platform", "queueBuffer_wait_for_frame_callback", "-%p", wnb);
        check_fatal_error(m_display);
        return ret;
    }

    HYBRIS_TRACE_END("wayland-platform", "queueBuffer_wait_for_frame_callback", "-%p", wnb);


    lock();

    if (debugenvchecked == 0)
    {
        if (getenv("HYBRIS_WAYLAND_DUMP_BUFFERS") != NULL)
            debugenvchecked = 2;
        else
            debugenvchecked = 1;
    }
    if (debugenvchecked == 2)
    {
        HYBRIS_TRACE_BEGIN("wayland-platform", "queueBuffer_dumping_buffer", "-%p", wnb);
        hybris_dump_buffer_to_file(wnb->getNativeBuffer());
        HYBRIS_TRACE_END("wayland-platform", "queueBuffer_dumping_buffer", "-%p", wnb);

    }

#if ANDROID_VERSION_MAJOR>=4 && ANDROID_VERSION_MINOR>=2
    HYBRIS_TRACE_BEGIN("wayland-platform", "queueBuffer_waiting_for_fence", "-%p", wnb);
    sync_wait(fenceFd, -1);
    close(fenceFd);
    HYBRIS_TRACE_END("wayland-platform", "queueBuffer_waiting_for_fence", "-%p", wnb);
#endif

    this->frame_callback = wl_surface_frame(m_window->surface);
    wl_callback_add_listener(this->frame_callback, &frame_listener, this);
    wl_proxy_set_queue((struct wl_proxy *) this->frame_callback, this->wl_queue);

    if (wnb->wlbuffer == NULL)
    {
        wnb->wlbuffer_from_native_handle(m_android_wlegl);
        TRACE("%p add listener with %p inside", wnb, wnb->wlbuffer);
        wl_buffer_add_listener(wnb->wlbuffer, &wl_buffer_listener, this);
        wl_proxy_set_queue((struct wl_proxy *) wnb->wlbuffer, this->wl_queue);
    }
    TRACE("%p DAMAGE AREA: %dx%d", wnb, wnb->width, wnb->height);
    HYBRIS_TRACE_BEGIN("wayland-platform", "queueBuffer_attachdamagecommit", "-resource@%i", wl_proxy_get_id((struct wl_proxy *) wnb->wlbuffer));

    wl_surface_attach(m_window->surface, wnb->wlbuffer, 0, 0);
    wl_surface_damage(m_window->surface, 0, 0, wnb->width, wnb->height);
    wl_surface_commit(m_window->surface);
    wl_display_flush(m_display);
    HYBRIS_TRACE_END("wayland-platform", "queueBuffer_attachdamagecommit", "-resource@%i", wl_proxy_get_id((struct wl_proxy *) wnb->wlbuffer));

    //--m_freeBufs;
    //pthread_cond_signal(&cond);
    fronted.push_back(wnb);
    HYBRIS_TRACE_COUNTER("wayland-platform", "fronted.size", "%i", fronted.size());

    if (fronted.size() == m_bufList.size())
    {
        HYBRIS_TRACE_BEGIN("wayland-platform", "queueBuffer_wait_for_nonfronted_buffer", "-%p", wnb);

        /* We have fronted all our buffers, let's wait for one of them to be free */
        do {
            unlock();
            ret = wl_display_dispatch_queue(m_display, this->wl_queue);
            lock();
            if (ret == -1)
            {
                check_fatal_error(m_display);
                break;
            }
            HYBRIS_TRACE_COUNTER("wayland-platform", "fronted.size", "%i", fronted.size());

            if (fronted.size() != m_bufList.size())
                break;
        } while (1);
        HYBRIS_TRACE_END("wayland-platform", "queueBuffer_wait_for_nonfronted_buffer", "-%p", wnb);
    }
    HYBRIS_TRACE_END("wayland-platform", "queueBuffer", "-%p", wnb);
    unlock();

    return NO_ERROR;
}