Re: [PATCH v2 2/8] ui/egl: Add egl helpers to help with synchronization

[Gerd Hoffmann]

  Hi,

> +void egl_dmabuf_create_fence(QemuDmaBuf *dmabuf)
> +{
> +    if (dmabuf->sync) {
> +        dmabuf->fence_fd = eglDupNativeFenceFDANDROID(qemu_egl_display,
> +                                                      dmabuf->sync);
> +        eglDestroySyncKHR(qemu_egl_display, dmabuf->sync);
> +        dmabuf->sync = NULL;
> +    }
> +}

> +void egl_dmabuf_wait_sync(QemuDmaBuf *dmabuf)
> +{

Hmm, still the blocking wait.  Can't you do something like
"qemu_set_fd_handler(dmabuf->fence_fd, ...)" to avoid the
eglClientWaitSyncKHR() completely?

take care,
  Gerd