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{ "id": 24620, "url": "https://patchwork.libcamera.org/api/patches/24620/?format=api", "web_url": "https://patchwork.libcamera.org/patch/24620/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20251014075252.2876485-5-stefan.klug@ideasonboard.com>", "date": "2025-10-14T07:52:26", "name": "[v1,04/12] ipa: rkisp1: lsc: Rename res to positions", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "0ee819e8a55a8bb121448dbae8acfd6541c8d2ad", "submitter": { "id": 184, "url": "https://patchwork.libcamera.org/api/people/184/?format=api", "name": "Stefan Klug", "email": "stefan.klug@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/24620/mbox/", "series": [ { "id": 5498, "url": "https://patchwork.libcamera.org/api/series/5498/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5498", "date": "2025-10-14T07:52:22", "name": "Add resampling support for polynomial LSC data", "version": 1, "mbox": "https://patchwork.libcamera.org/series/5498/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/24620/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/24620/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 8FEF1BF415\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 14 Oct 2025 07:53:12 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 415DD605D7;\n\tTue, 14 Oct 2025 09:53:12 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 046A4605D0\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 14 Oct 2025 09:53:11 +0200 (CEST)", "from ideasonboard.com (unknown\n\t[IPv6:2a00:6020:448c:6c00:61fb:8e55:ff1e:be62])\n\tby perceval.ideasonboard.com (Postfix) with UTF8SMTPSA id ABDBC741;\n\tTue, 14 Oct 2025 09:51:32 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"cea6rgnK\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1760428292;\n\tbh=9iKWzfrp5sGrmZ68X330iYb6beiyYZPZMkiEhz3X12Q=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=cea6rgnKXAmQDRmpNFYDA4IdKxnMqtr/NhMGZQ/6nvh+seJ/h4IGs7wKMtQHraE5P\n\t1ddow34OxvUVXhm+0D3hq9+8LkLk85oBYhU1SSdlFnlP5zKLOxn+xwpU+EMz4f8hmo\n\tUbIgRwUeiGCwPVz5CuUSGxpNn42qQ3RGQlMe75iY=", "From": "Stefan Klug <stefan.klug@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Stefan Klug <stefan.klug@ideasonboard.com>", "Subject": "[PATCH v1 04/12] ipa: rkisp1: lsc: Rename res to positions", "Date": "Tue, 14 Oct 2025 09:52:26 +0200", "Message-ID": "<20251014075252.2876485-5-stefan.klug@ideasonboard.com>", "X-Mailer": "git-send-email 2.48.1", "In-Reply-To": "<20251014075252.2876485-1-stefan.klug@ideasonboard.com>", "References": "<20251014075252.2876485-1-stefan.klug@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Rename the res variable to positions which better describes the intent.\nThis was commented in review after being merged.\n\nWhile at it, improve the documentation a bit.\n\nSigned-off-by: Stefan Klug <stefan.klug@ideasonboard.com>\n---\n src/ipa/rkisp1/algorithms/lsc.cpp | 18 ++++++++++--------\n 1 file changed, 10 insertions(+), 8 deletions(-)", "diff": "diff --git a/src/ipa/rkisp1/algorithms/lsc.cpp b/src/ipa/rkisp1/algorithms/lsc.cpp\nindex c581e6441853..bb58386ae646 100644\n--- a/src/ipa/rkisp1/algorithms/lsc.cpp\n+++ b/src/ipa/rkisp1/algorithms/lsc.cpp\n@@ -132,9 +132,11 @@ public:\n \n private:\n \t/*\n-\t * The lsc grid has custom spacing defined on half the range (see\n-\t * parseSizes() for details). For easier handling this function converts\n-\t * the spaces vector to positions and mirrors them. E.g.:\n+\t * The rkisp1 LSC grid spacing is defined by the cell sizes on the first\n+\t * half of the grid. This is then mirrored in hardware to the other\n+\t * half. See parseSizes() for further details. For easier handling, this\n+\t * function converts the cell sizes of half the grid to a list of\n+\t * position of the whole grid (on one axis). Example:\n \t *\n \t * input: | 0.2 | 0.3 |\n \t * output: 0.0 0.2 0.5 0.8 1.0\n@@ -142,17 +144,17 @@ private:\n \tstd::vector<double> sizesListToPositions(const std::vector<double> &sizes)\n \t{\n \t\tconst int half = sizes.size();\n-\t\tstd::vector<double> res(half * 2 + 1);\n+\t\tstd::vector<double> positions(half * 2 + 1);\n \t\tdouble x = 0.0;\n \n-\t\tres[half] = 0.5;\n+\t\tpositions[half] = 0.5;\n \t\tfor (int i = 1; i <= half; i++) {\n \t\t\tx += sizes[half - i];\n-\t\t\tres[half - i] = 0.5 - x;\n-\t\t\tres[half + i] = 0.5 + x;\n+\t\t\tpositions[half - i] = 0.5 - x;\n+\t\t\tpositions[half + i] = 0.5 + x;\n \t\t}\n \n-\t\treturn res;\n+\t\treturn positions;\n \t}\n \n \tstd::vector<uint16_t> samplePolynomial(const LscPolynomial &poly)\n", "prefixes": [ "v1", "04/12" ] }