From patchwork Fri Oct 25 06:52:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lei Huang X-Patchwork-Id: 2002031 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=amd.com header.i=@amd.com header.a=rsa-sha256 header.s=selector1 header.b=TauyYU87; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XZYXG6hShz1xwy for ; Fri, 25 Oct 2024 17:58:22 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t4EGP-0003OE-3J; Fri, 25 Oct 2024 02:57:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t4EGN-0003Ng-4i for qemu-devel@nongnu.org; Fri, 25 Oct 2024 02:57:35 -0400 Received: from mail-dm6nam04on2086.outbound.protection.outlook.com ([40.107.102.86] helo=NAM04-DM6-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t4EGK-0001at-Fo for qemu-devel@nongnu.org; Fri, 25 Oct 2024 02:57:34 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=UQFDnkLsAJmuYnxnseCR2IllQO8KSlg8khiM/XmWpcox5Qqzzdr7mIjIiKwtbNSYvZky1NzHSegORWru15eDcmdZzys8xC/yXSuO5fXb9Ww6YQU2bOh1h+Ww8rutEtcK06hC6Mq4dldXCWdPBLfItsQkietVt2rbnhjXitAIWWGTepdD/bOkGcGNUeMfshOn4rFJmrNwBl6HoUIhdZh6vqdiqjgs9cSqVi0HwUckb5dXzTpSqdkEZt9eica+g07YI9AGicA1drfbzhEB8a28nFuFSzpy8ehjLZhMXjZjP605Jtpm3Q8igG5oKnFJloOmOQCAbb/a+vMLxNU119PGNQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=KmfZAhiQRezAntS5cPJlvlFXrCQLMzebwZXuMHKwedo=; b=YGbLXFAWX7X28tbKweQVpKiBKLI+EI2bIwdTbRdYoN3Ni9u2NpepCdOX6yJXb0VlJUqR1sgQCoeM5NY+2u7WRbFzMMkHtZqIoVfGdmjKFDigVp/fKxgrEp7BCgKWfRWSWOiG5TJpI56KiKNXhQ63hGgS0a6tvsddpfjfxhs7Zr3wA91rBOxg4O62gM5H2iCT7DhZzexz0xs8Y3qXjVEaWGVO4T0llV9Axwa+JlU3ooJXptOebla87ZjpNaQoW/FDQUSE42urHYV08PBpTJ/MnRDcjTMZXxnY5Tj2CtD1SJROpXc+kgjojuRvkjrmfOORUNlIZezE9EAjY97RnunjnQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=redhat.com smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=KmfZAhiQRezAntS5cPJlvlFXrCQLMzebwZXuMHKwedo=; b=TauyYU87bIHAm5KuBxAARkQnZlUL8P/ea6D85l3R7xJ65vib4C3Bt7hWZUjyotWMAVJTqufCpBOQeN4lAS9PX43NXAYnRnLiMQ3Fh044aClx051NerfxZXRPw3E3IYfyqGHjDD6KhHdaoxdkv2nITwBbeA9BrFxKkKVwmZiR8gU= Received: from MW4PR03CA0127.namprd03.prod.outlook.com (2603:10b6:303:8c::12) by DM4PR12MB6567.namprd12.prod.outlook.com (2603:10b6:8:8e::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8093.18; Fri, 25 Oct 2024 06:52:25 +0000 Received: from BN1PEPF00005FFC.namprd05.prod.outlook.com (2603:10b6:303:8c:cafe::1a) by MW4PR03CA0127.outlook.office365.com (2603:10b6:303:8c::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8093.18 via Frontend Transport; Fri, 25 Oct 2024 06:52:25 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN1PEPF00005FFC.mail.protection.outlook.com (10.167.243.228) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8093.14 via Frontend Transport; Fri, 25 Oct 2024 06:52:25 +0000 Received: from SHA-L-LEIHUANG.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Fri, 25 Oct 2024 01:52:22 -0500 From: Lei Huang To: CC: , , , , Lei Huang Subject: [PATCH] ui/sdl: Mouse event optimization Date: Fri, 25 Oct 2024 14:52:05 +0800 Message-ID: <20241025065205.1222-1-Lei.Huang@amd.com> X-Mailer: git-send-email 2.44.0.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN1PEPF00005FFC:EE_|DM4PR12MB6567:EE_ X-MS-Office365-Filtering-Correlation-Id: 4d580238-d551-4eb0-b308-08dcf4c1955a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|1800799024|376014|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: N1DXJUR5/VqG48jAL5EiMjJZ1dAppV0xH8ay9A4R98S8IhY49WvEKxDOiQxUyt3OdB/mZC7JMZVz4pc6bxUsen0zbOxZ3bWfEGLrkgxtXMPKIx69PUaJ0f0OxxxNk4cALDiKJCtIVlfa5/4LHFjxMIf0RaNcoVIV2+OF7OajYsXJb8YorU2a4VwwgOI5LxbbnFYJLD4r5ToCepWhIEyZJYdkQjDkpzuzJD4T4lqXGbkBirQ+jRcRn0ITDy9dYB9VULCDtxP5q8Nm75DY4eqBBvB90GJkPQ0qQicvD03rtTTvFIcFpix59Ms/6LA9iqkjLvetV3/qlG4F4ItxepNJS+1mXWhZxr5WKm3r/xBSKaCktL7xkr817eegglRk9KsGM6KpbnCdOGvGbKfLwTCIXhbcnM1A3dk8OoccGRwm4+bu9hkGzQekXqMZk10g+4hkJua92pogp4Qe3YooGBypyGw/7ScAtHxsUaJ9w4GCT9ARlOEgK5Z79S+cLBqAaxA/j9IOOFmPtSc8WCGNCMCTAlnvsV1K3ug6C8+asGSSa6UErRqZwqtKQrAgqFcD0uNZbbCZBeVa/pTa0fYQfwt66fbSyqCbGvpm6Db4K7HWCuyn+FA+gwCoNwfsFxrGLgRmcrtXxGRWejOFkEaU9avBCfw9O174UML/H8vI4DCVKxUuvRKcCOovTA+EK/jOsOYRpAz1hbYz+s6kcVNDOLAu4gKE2wQHCcCBXWlVWl9GzMVbpPl7BfnDEpuYx1HQABzxP9C1ZtyDnPsja1BolEd7NS1oH5+wTo+iFXfQU1HxXrLsJaNODw/bEFRYcLY+9AG397JFRcljiWl02xqvx8ACitXa+ZRv5hpRNMw5DrAwhJtI6AXM2kO+pAPJMEvcRrwPEtS9kEuWUF3tc/bGYoJZ7pc87fSZjEy4hldsM01Oh9IwJDfeP2zeTLqMODrEhRGLAhKh1sh07Vuz0GlElMLrfzmEdTyRCJJv29WHO34uKNISwxFTWsW4AdAcqwxDhtwhUD1IZPuIHXi9Y1ZnUCownA//l3GBcQ+c//8EubRsovPbxTfCefBdZadeUgRfu8PzMd2sm78/VQIv9cgal2dahZgtLWOulvgwvUHyUxXigWtNfUbQa9/wxsCFPgYzMK+dpQg+LZOh0HWbQ5vlQHMRjCjhYMmvfirPidJlFsbxHh8UoeCFG+FCgGevFnuqMTCEeeISrjeKa9Tty3dGzEViZIJzsuZOe3V9hxirHetYJ0qdDES5CSYS3uJKxmbkNPN8OTtlgL+yRplCJK/rllvFsmZo7WFnoPLwfFgVC4sL/xH7lVj3K253TF6UWyLFTcBdZT1dzwKIlN+8Xi5qTAL7quqZgQi6eO5KkhnOKT2ol/7fUYM4pTHcbRHVdXmLNQ9Wc6dABJ7ZnoVUbaAOCU1m8A== X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(1800799024)(376014)(36860700013)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Oct 2024 06:52:25.0601 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4d580238-d551-4eb0-b308-08dcf4c1955a X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF00005FFC.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6567 Received-SPF: permerror client-ip=40.107.102.86; envelope-from=Lei.Huang@amd.com; helo=NAM04-DM6-obe.outbound.protection.outlook.com X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.263, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H2=-1.697, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Use a convergence factor to make the VM's input global coordinates more closely approach the global coordinates of DOM0. Change-Id: I2c3f12f1fe7dfb9306d1fc40c4fd4d299937f4c6 Signed-off-by: Lei Huang --- ui/sdl2.c | 32 ++++++++++++++++++++++++++++++-- 1 file changed, 30 insertions(+), 2 deletions(-) diff --git a/ui/sdl2.c b/ui/sdl2.c index bd4f5a9da14..8f504dd8727 100644 --- a/ui/sdl2.c +++ b/ui/sdl2.c @@ -303,6 +303,34 @@ static void sdl_mouse_mode_change(Notifier *notify, void *data) } } +/* + *guest_x and guest_y represent the global coordinates on the VM side, + *while x and y represent the global coordinates on the dom0 side. + *The goal of this entire process is to align the global coordinates of + *the VM with those of dom0 using dx and dy. The current approach aims + *for precise calibration in once attempt; however, because guest_x + *and guest_y are non-zero values, they are not accurate values when + *they are counted out to become negative.Therefore, achieving perfect + *alignment in one attempt is impossible.Since the same calibration method + *is used each time, repeated attempts cannot achieve alignment either. + *By introducing a convergence factor, guest_x and guest_y can be made to + *approach dom0's x and y indefinitely. + * + * QEMU (dx,dy) VM + *calculates dx and dy using guest_x and guest_y ----> input driver + * ^ | + * | | + * | V + * | update + * | guest_x,guest_y input dispatcher ---> WindowManager + * | | | + * | | | + * | libdrm V | + * virtio-gpu <------ drmModeMoveCursor <------ compositor <------- | + * (guest_x,guest_y) calculates guest_x and + * guest_y dy using dx and dy + */ +#define CONVERGENCE_FACTOR 3 static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy, int x, int y, int state) { @@ -331,8 +359,8 @@ static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy, y -= guest_y; guest_x += x; guest_y += y; - dx = x; - dy = y; + dx = x / CONVERGENCE_FACTOR; + dy = y / CONVERGENCE_FACTOR; } qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx); qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy);