[Spice-devel] [PATCH spice] gl: fix client mouse mode

[minava at t-online.de]

Am Mon, 30 Jan 2017 16:50:05 +0400 schrieb marcandre.lureau:

> From: Marc-André Lureau <marcandre.lureau at redhat.com>
>
> Since 2.8, QEMU now longer creates QXL primary surfaces when using GL.
> This change broke client-side mouse mode, because Spice server relies on
> primary surface conditions.
>
> When GL is enabled, use GL scanout informations, similar to what
> red_qxl_get_allow_client_mouse() is doing. The main difference is that
> the GL surface doesn't have mouse_mode attached (what for?).
>
> NB: this code looks like it handles only first QXL instance only, and
> uses the whole scanout/surface size for the input table size, perhaps
> monitor-configs would be a better choice.
>
> Signed-off-by: Marc-André Lureau <marcandre.lureau at redhat.com>
> ---
>  server/red-qxl.c | 2 ++
>  server/reds.c    | 8 +++++++-
>  2 files changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/server/red-qxl.c b/server/red-qxl.c index
> b6b3770b..ba7b641a 100644 --- a/server/red-qxl.c +++ b/server/red-qxl.c
> @@ -897,6 +897,8 @@ void spice_qxl_gl_scanout(QXLInstance *qxl,
>      /* FIXME: find a way to coallesce all pending SCANOUTs */
>      dispatcher_send_message(qxl_state->dispatcher,
>                              RED_WORKER_MESSAGE_GL_SCANOUT, &payload);
> +
> +    reds_update_client_mouse_allowed(qxl_state->reds);
>  }
>  
>  SPICE_GNUC_VISIBLE
> diff --git a/server/reds.c b/server/reds.c index 40c94851..a89c5e90
> 100644 --- a/server/reds.c +++ b/server/reds.c @@ -4256,10 +4256,16 @@
> void reds_update_client_mouse_allowed(RedsState *reds)
>      if (num_active_workers > 0) {
>          GListIter it;
>          QXLInstance *qxl;
> +        SpiceMsgDisplayGlScanoutUnix *gl;
>  
>          allow_now = TRUE; FOREACH_QXL_INSTANCE(reds, it, qxl) {
> -            if (red_qxl_get_primary_active(qxl)) {
> +            if ((gl = red_qxl_get_gl_scanout(qxl))) {
> +                x_res = gl->width;
> +                y_res = gl->height;
> +                red_qxl_put_gl_scanout(qxl, gl);
> +                break;
> +            } else if (red_qxl_get_primary_active(qxl)) {
>                  allow_now = red_qxl_get_allow_client_mouse(qxl, &x_res,
>                  &y_res);
>                  break;
>              }
 
 
Hi,

I have tried virgl with qemu 2.8, spice 13.3 and a fedora rawhide guest but 
the mouse pointer (usbtablet) didn't move, I was just able to get the 
context menu on the desktop using the right mouse button. Now I applied 
this patch and it works for me, thank you!


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