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bh=OLUVdXP2FV6oVY2GVzSlffIYDJOXIoNyEi5o8vks5f0=; b=akl0jodhYmz5lsLXzKqqC+UY5fuigQAtybhRy5cdC6wIywA2xi5k4wMsbzkhMi/ioQ+d9G C8wXbt1nLosJHjmoOK9pVXffV9r1K79z2IZm5C5OXXLl+GVRpTi4IwvRakcaLWp3HOp+In aMSH2AxDt2Km0yTB5VGTrdeeQ7ElK6E= X-MC-Unique: h1tvKncnOc6Ayfp4L4ZMYQ-1 From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 17/24] ui: check hw requirements during DCL registration Date: Fri, 5 Feb 2021 07:56:13 +0100 Message-Id: <20210205065620.1726554-18-kraxel@redhat.com> In-Reply-To: <20210205065620.1726554-1-kraxel@redhat.com> References: <20210205065620.1726554-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.351, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Michael S. Tsirkin" , Cleber Rosa , Wainer dos Santos Moschetta , Alex Williamson , Gerd Hoffmann , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Marc-Andr=C3=A9 Lureau Signed-off-by: Marc-Andr=C3=A9 Lureau Message-Id: <20210204105232.834642-14-marcandre.lureau@redhat.com> Signed-off-by: Gerd Hoffmann --- ui/console.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/ui/console.c b/ui/console.c index a645418adad5..d8cc640c28db 100644 --- a/ui/console.c +++ b/ui/console.c @@ -1476,12 +1476,37 @@ static bool displaychangelistener_has_dmabuf(Displa= yChangeListener *dcl) return false; } =20 +static bool dpy_compatible_with(QemuConsole *con, + DisplayChangeListener *dcl, Error **errp) +{ + ERRP_GUARD(); + int flags; + + flags =3D con->hw_ops->get_flags ? con->hw_ops->get_flags(con->hw) : 0; + + if (flags & GRAPHIC_FLAGS_GL && + !console_has_gl(con)) { + error_setg(errp, "The console requires a GL context."); + return false; + + } + + if (flags & GRAPHIC_FLAGS_DMABUF && + !displaychangelistener_has_dmabuf(dcl)) { + error_setg(errp, "The console requires display DMABUF support."); + return false; + } + + return true; +} + void register_displaychangelistener(DisplayChangeListener *dcl) { static const char nodev[] =3D "This VM has no graphic display device."; static DisplaySurface *dummy; QemuConsole *con; + Error *err =3D NULL; =20 assert(!dcl->ds); =20 @@ -1496,6 +1521,11 @@ void register_displaychangelistener(DisplayChangeLis= tener *dcl) dcl->con->gl =3D dcl; } =20 + if (dcl->con && !dpy_compatible_with(dcl->con, dcl, &err)) { + error_report_err(err); + exit(1); + } + trace_displaychangelistener_register(dcl, dcl->ops->dpy_name); dcl->ds =3D get_alloc_displaystate(); QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next); --=20 2.29.2