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GET /api/1.1/patches/2222088/?format=api
{ "id": 2222088, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2222088/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260410-qemu-vnc-v2-18-231416f76dc3@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260410-qemu-vnc-v2-18-231416f76dc3@redhat.com>", "date": "2026-04-10T19:18:40", "name": "[v2,18/67] ui/console-vc: decouple VT100 display updates via function pointer", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "21eb47b73d83106b1ab361ba3696e7936f2ddd85", "submitter": { "id": 66774, "url": "http://patchwork.ozlabs.org/api/1.1/people/66774/?format=api", "name": "Marc-André Lureau", "email": "marcandre.lureau@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260410-qemu-vnc-v2-18-231416f76dc3@redhat.com/mbox/", "series": [ { "id": 499494, "url": "http://patchwork.ozlabs.org/api/1.1/series/499494/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499494", "date": "2026-04-10T19:18:23", "name": "ui: add standalone VNC server over D-Bus", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/499494/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2222088/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2222088/checks/", "tags": {}, "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=ebkM14Kd;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1775848848;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=xHwaCg3VfefxTP+gUSxcezpwPgnHezvTvMyyDg7E+NE=;\n b=ebkM14KdgtSl9OTJw/jnUAb9zxVZHGfh7vQLdwrVgw3H/359n8Y4xF0sKKZ/ePLufexRc6\n Ls8ROD8NkrPDP++hXjqPsR7Pgp9sS/ZwDkc4yAZJnCxDYh2BH31ZLLjiPUXzf91DsThMbr\n I3ZVS99WI+4MF3tk3a//uwNWyzhvdq4=", "X-MC-Unique": "8r7Ehv1xPeCWPV1XShcxyw-1", "X-Mimecast-MFC-AGG-ID": "8r7Ehv1xPeCWPV1XShcxyw_1775848843", "From": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>", "Date": "Fri, 10 Apr 2026 23:18:40 +0400", "Subject": "[PATCH v2 18/67] ui/console-vc: decouple VT100 display updates via\n function pointer", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "8bit", "Message-Id": "<20260410-qemu-vnc-v2-18-231416f76dc3@redhat.com>", "References": "<20260410-qemu-vnc-v2-0-231416f76dc3@redhat.com>", "In-Reply-To": "<20260410-qemu-vnc-v2-0-231416f76dc3@redhat.com>", "To": "qemu-devel@nongnu.org", "Cc": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n\t=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=3323;\n i=marcandre.lureau@redhat.com; h=from:subject:message-id;\n bh=zv3j1wO3naVlcsBKGmflvlEq7Rd0dCKKbluzj0h8VNQ=;\n b=owEBbQKS/ZANAwAKAdro4Ql1lpzlAcsmYgBp2U0U38SUjK/LioQPmHvhEsjq34cn48mh6eqhE\n k3oTmUhqUSJAjMEAAEKAB0WIQSHqb2TP4fGBtJ29i3a6OEJdZac5QUCadlNFAAKCRDa6OEJdZac\n 5f3iEACrnIuErEdrjXBI6dY7Eu0yE5Tf15dOrdUP7KAMDYRqqkjicKQ638CEgu7mjTPLCozYot+\n nx3WCtGMoynVpUpvPPZdHAml+Pbg/NOswLbPRJ35/ALOzE71ojvvDMYxv+aIvSmTIa0FAk/X/eE\n P3+KnDKBw6IVOD+HT6tcWchPmOQX45hGWTMPM6nXhNMzL4lle/LIBKCOM614J0h/vgSUi9vmo1g\n 9q5+AiUyudLNSynQqEPwCzCI203XczLImoctkO/398QnkwyJ7k3KOLY+bhfoUjpaxxzdJ2oedBP\n SS70MWQhV9mhiUpAY78ZIEirx3r2iQid0qP8Jc9lrhwNvVJJ9T9JxjVrIK9q9/O5F88xzKgiocj\n A8uq5auEDJhLblYL321vB8URl6jDq5rGgbM8W7M0OhUc7bo2uaWgFh9kkZMwXrhYGf7Wg1lSMWg\n lPwa0PqE3osTkX/1XQzrtiwuxhsVGUP5yFTm5Vif4hrv7Xefgev6Sx2G6filCT6lbfSok/xuc77\n V1NSsXe2gCVfrX/KguUxE509Ms64QX2yClD6y4WIGKHBe5z53RDuN2eyq3odq+GipnpU5EOn6OE\n Wb/O/PKF+Ffc8LcItAN1TzqRm+L0bri8d2yNOJtEKyIP1hL0wY6MwEXh3SLj8o+/lpNj9o2wirp\n IgWJ8n1AvaDZGNA==", "X-Developer-Key": "i=marcandre.lureau@redhat.com; a=openpgp;\n fpr=87A9BD933F87C606D276F62DDAE8E10975969CE5", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.93", "Received-SPF": "pass client-ip=170.10.129.124;\n envelope-from=marcandre.lureau@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com", "X-Spam_score_int": "-25", "X-Spam_score": "-2.6", "X-Spam_bar": "--", "X-Spam_report": "(-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.54,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-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": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Replace direct dpy_gfx_update() calls from the VT100 emulation code\nwith an indirect call through a new image_update function pointer in\nQemuVT100. This decouples the VT100 terminal emulation from the\nQEMU display layer, allowing different backends to provide their own\nimage update implementation.\n\nThe QemuVT100 typedef is changed to a forward-declared struct so the\nfunction pointer signature can reference QemuVT100 itself.\n\nReviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>\nSigned-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>\n---\n ui/console-vc.c | 28 ++++++++++++++++++++++------\n 1 file changed, 22 insertions(+), 6 deletions(-)", "diff": "diff --git a/ui/console-vc.c b/ui/console-vc.c\nindex 61d72a0cc27..f8682d2d1dc 100644\n--- a/ui/console-vc.c\n+++ b/ui/console-vc.c\n@@ -48,8 +48,11 @@ enum TTYState {\n TTY_STATE_OSC,\n };\n \n-typedef struct QemuVT100 {\n+typedef struct QemuVT100 QemuVT100;\n+\n+struct QemuVT100 {\n pixman_image_t *image;\n+ void (*image_update)(QemuVT100 *vt, int x, int y, int width, int height);\n \n int width;\n int height;\n@@ -66,7 +69,7 @@ typedef struct QemuVT100 {\n int update_y0;\n int update_x1;\n int update_y1;\n-} QemuVT100;\n+};\n \n typedef struct QemuTextConsole {\n QemuConsole parent;\n@@ -224,6 +227,11 @@ static void vt100_show_cursor(QemuVT100 *vt, int show)\n }\n }\n \n+static void vt100_image_update(QemuVT100 *vt, int x, int y, int width, int height)\n+{\n+ vt->image_update(vt, x, y, width, height);\n+}\n+\n static void console_refresh(QemuTextConsole *s)\n {\n QemuVT100 *vt = &s->vt;\n@@ -253,7 +261,7 @@ static void console_refresh(QemuTextConsole *s)\n }\n }\n vt100_show_cursor(&s->vt, 1);\n- dpy_gfx_update(QEMU_CONSOLE(s), 0, 0, w, h);\n+ vt100_image_update(&s->vt, 0, 0, w, h);\n }\n \n static void console_scroll(QemuTextConsole *s, int ydelta)\n@@ -1089,9 +1097,9 @@ static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)\n }\n vt100_show_cursor(vt, 1);\n if (vt->update_x0 < vt->update_x1) {\n- dpy_gfx_update(QEMU_CONSOLE(s), vt->update_x0, vt->update_y0,\n- vt->update_x1 - vt->update_x0,\n- vt->update_y1 - vt->update_y0);\n+ vt100_image_update(vt, vt->update_x0, vt->update_y0,\n+ vt->update_x1 - vt->update_x0,\n+ vt->update_y1 - vt->update_y0);\n }\n return len;\n }\n@@ -1189,6 +1197,13 @@ void qemu_text_console_update_size(QemuTextConsole *c)\n dpy_text_resize(QEMU_CONSOLE(c), c->vt.width, c->vt.height);\n }\n \n+static void text_console_image_update(QemuVT100 *vt, int x, int y, int width, int height)\n+{\n+ QemuTextConsole *console = container_of(vt, QemuTextConsole, vt);\n+\n+ dpy_gfx_update(QEMU_CONSOLE(console), x, y, width, height);\n+}\n+\n static bool vc_chr_open(Chardev *chr, ChardevBackend *backend, Error **errp)\n {\n ChardevVC *vc = backend->u.vc.data;\n@@ -1219,6 +1234,7 @@ static bool vc_chr_open(Chardev *chr, ChardevBackend *backend, Error **errp)\n }\n \n dpy_gfx_replace_surface(QEMU_CONSOLE(s), qemu_create_displaysurface(width, height));\n+ s->vt.image_update = text_console_image_update;\n \n s->chr = chr;\n drv->console = s;\n", "prefixes": [ "v2", "18/67" ] }