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{ "id": 27655, "url": "https://patchwork.libcamera.org/api/patches/27655/?format=api", "web_url": "https://patchwork.libcamera.org/patch/27655/", "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": "<20260805-libipa-algorithms-v7-32-7425b5b795d4@ideasonboard.com>", "date": "2026-08-05T16:13:14", "name": "[v7,32/32] ipa: libipa: lsc: Specialize Interpolator for uint8_t", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "6ace2165ad73b9c3ea71ffcee278c7708baefae7", "submitter": { "id": 143, "url": "https://patchwork.libcamera.org/api/people/143/?format=api", "name": "Jacopo Mondi", "email": "jacopo.mondi@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/27655/mbox/", "series": [ { "id": 6110, "url": "https://patchwork.libcamera.org/api/series/6110/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=6110", "date": "2026-08-05T16:12:42", "name": "ipa: libipa: Introduce libipa algorithms", "version": 7, "mbox": "https://patchwork.libcamera.org/series/6110/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/27655/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/27655/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 05577C3350\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 5 Aug 2026 16:14:03 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 781C668197;\n\tWed, 5 Aug 2026 18:14:03 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id AF1416816E\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 5 Aug 2026 18:13:45 +0200 (CEST)", "from [192.168.125.177] (mob-109-113-25-35.net.vodafone.it\n\t[109.113.25.35])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id EF3953B23;\n\tWed, 5 Aug 2026 18:12:34 +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=\"hsrzULVj\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1785946355;\n\tbh=XBc9Oh6IdqRxVsjpBLv31tO74D62Y2hjOtpHW69RQec=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=hsrzULVjf1V8sLdnSYGjYmFuf1sGxIwjJ17Z/FzhbpaBwePyuiV+yTmBYSQreSjzM\n\tvOgmHkcpPkmXj5h2eXcX5yRBbknvHSxOhdIswaSv+Ta7erGvL8Wl+E8OfzhjynsQZt\n\t/J73A+gda5NUyfhwYpsF66bH/hurMcwUmb2YO5Xs=", "From": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>", "Date": "Wed, 05 Aug 2026 18:13:14 +0200", "Subject": "[PATCH v7 32/32] ipa: libipa: lsc: Specialize Interpolator for\n\tuint8_t", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260805-libipa-algorithms-v7-32-7425b5b795d4@ideasonboard.com>", "References": "<20260805-libipa-algorithms-v7-0-7425b5b795d4@ideasonboard.com>", "In-Reply-To": "<20260805-libipa-algorithms-v7-0-7425b5b795d4@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org, \n\tStefan Klug <stefan.klug@ideasonboard.com>, \n\tMilan Zamazal <mzamazal@redhat.com>", "Cc": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>", "X-Mailer": "b4 0.16-dev", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=1666;\n\ti=jacopo.mondi@ideasonboard.com; h=from:subject:message-id;\n\tbh=XBc9Oh6IdqRxVsjpBLv31tO74D62Y2hjOtpHW69RQec=;\n\tb=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBqc2EjKjdqzlqfEzWu+iIXxkK5IEVCWSk3nsxXF\n\tlFU7XoUHsSJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCanNhIwAKCRByNAaPFqFW\n\tPB3uD/0fRq+cobLRAa2IDEpweinlcEVPdTDZwuSBxm0+2cPb7MabunKk+DFqSfd4QPl1zT2E3pD\n\tQHhcBZEh9ldBSiD80Tt/m3MyZJo4dwo8k17Y0aeGuokinCUOnqv8iyjG6lHsYZ1mG+Y4dVX4skk\n\tGIb3vqPR1/zHkgJCeGt4FfoI8jvDcT5AU89Z3g/Jwjt8gYDY6agMpfUjIU5PdAmpaBdvUSFE9S5\n\tdF/+1XCWwvCnW+w5KRxbpJpxb4ISB4z+YqgMAI58kzC8PCjLSeboDmrj1YdfEeULeKLUqR0m5HL\n\tvsyAnKKekjT28DrwxUQpiNOcW08SA606J1jAMoMN8xMw9C9LzR0mv8eldBEH/NWnnV79OYsCYPx\n\tnEtZL7FzLFulXBXZEOTyUeVaFQTnbQH7fqmyli7JyQ69UXPH5mGTJ+J+TXbN7Tp979lpRgiyKgE\n\tTVRNZSmdRqPgYdnBDdclOEAm7PuibF6kDB8O2WLLk3n9eObqabpQdfFpYZEt4hUGNrdup0AjLUi\n\tIBfORtXLlp+dd7WXU3At1vFBJ+2VxkuQ4qanN3wog1+qwwxc2xrrvlDTw1B6svbYlDhV/p9kLYX\n\toZuVitkTywokz0muijdWlQPCJmwEpPrvfbiHYvB7SvIar4HUaDZAfthaHp5oag0108WfI9YAuB9\n\tVH65fxdftZCYbxw==", "X-Developer-Key": "i=jacopo.mondi@ideasonboard.com; a=openpgp;\n\tfpr=72392EDC88144A65C701EA9BA5826A2587AD026B", "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": "Specialize Interpolator<>::interpolate() for uint8_t register size.\n\nSome platforms (Mali, Simple) use an 8 bit register size. Provide\na specialization for the that type of Interpolator<>::interpolate().\n\nSigned-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>\n---\n src/ipa/libipa/lsc.cpp | 11 +++++++++++\n src/ipa/libipa/lsc.h | 7 +++++++\n 2 files changed, 18 insertions(+)", "diff": "diff --git a/src/ipa/libipa/lsc.cpp b/src/ipa/libipa/lsc.cpp\nindex a8b89bcedf57..cf9ea6e68c73 100644\n--- a/src/ipa/libipa/lsc.cpp\n+++ b/src/ipa/libipa/lsc.cpp\n@@ -102,6 +102,17 @@ void Interpolator<lsc::Components<uint16_t>>::\n \tfor (auto const &[k, v] : a)\n \t\tinterpolateVector(v, b.at(k), dest[k], lambda);\n }\n+\n+template<>\n+void Interpolator<lsc::Components<uint8_t>>::\n+\tinterpolate(const lsc::Components<uint8_t> &a,\n+\t\t const lsc::Components<uint8_t> &b,\n+\t\t lsc::Components<uint8_t> &dest,\n+\t\t double lambda)\n+{\n+\tfor (auto const &[k, v] : a)\n+\t\tinterpolateVector(v, b.at(k), dest[k], lambda);\n+}\n #endif\n \n /**\ndiff --git a/src/ipa/libipa/lsc.h b/src/ipa/libipa/lsc.h\nindex 30330f284013..17d5a4a141c1 100644\n--- a/src/ipa/libipa/lsc.h\n+++ b/src/ipa/libipa/lsc.h\n@@ -48,6 +48,13 @@ void Interpolator<lsc::Components<uint16_t>>::\n \t\t const lsc::Components<uint16_t> &b,\n \t\t lsc::Components<uint16_t> &dest,\n \t\t double lambda);\n+\n+template<>\n+void Interpolator<lsc::Components<uint8_t>>::\n+\tinterpolate(const lsc::Components<uint8_t> &a,\n+\t\t const lsc::Components<uint8_t> &b,\n+\t\t lsc::Components<uint8_t> &dest,\n+\t\t double lambda);\n #endif /* __DOXYGEN__ */\n \n class LscAlgorithmBase\n", "prefixes": [ "v7", "32/32" ] }