From patchwork Mon Jul 6 08:01:53 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 27233 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id A9043C3308 for ; Mon, 6 Jul 2026 08:02:40 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 5D2E366071; Mon, 6 Jul 2026 10:02:40 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="tmvWBUF5"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id D558466035 for ; Mon, 6 Jul 2026 10:02:19 +0200 (CEST) Received: from [192.168.125.177] (mob-109-113-60-81.net.vodafone.it [109.113.60.81]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 79A243EB5; Mon, 6 Jul 2026 10:01:31 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1783324891; bh=V4MaF45qbZhRRiHabRO68RMnvgHcBtsHCDtfQ962rIU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=tmvWBUF5w0+NJgvwozZjt/qhR3T/5dVXXoC0yDTIp/k9Nng1hFaIz18C2TAOcVbky 8at3UPYQT9afEF7ogJHizW1j2BYIL3mTUrloIGfrkcUdojjp3thcuRE+upvdRcWiVt sGCtSvsDfUTLed4Zd+rogDo++pYkV7mWo2OscLqI= From: Jacopo Mondi Date: Mon, 06 Jul 2026 10:01:53 +0200 Subject: [PATCH v3 33/35] ipa: libipa: lsc: Specialize Interpolator for uint8_t MIME-Version: 1.0 Message-Id: <20260706-libipa-algorithms-v3-33-968757b038bb@ideasonboard.com> References: <20260706-libipa-algorithms-v3-0-968757b038bb@ideasonboard.com> In-Reply-To: <20260706-libipa-algorithms-v3-0-968757b038bb@ideasonboard.com> To: libcamera-devel@lists.libcamera.org, Stefan Klug Cc: Jacopo Mondi X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1736; i=jacopo.mondi@ideasonboard.com; h=from:subject:message-id; bh=V4MaF45qbZhRRiHabRO68RMnvgHcBtsHCDtfQ962rIU=; b=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBqS2Dz8wOzUM/vbrbq8U8GYIx5VplZAn3QJHgB1 54zIBFVUiqJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCaktg8wAKCRByNAaPFqFW POsQEACrM8/Q1t7nUZO7z2hsLj+my0Q2hvTODDindgikwhrzFJ2AoKyJIoYUXjSi5z4VxdcK2VQ kWStp4GCOpw8ionp769XJWC6AQMwLosBmZZUTuBzD+eJD5hqnyDohGBywUbkF9WeWy70+0pQWu8 XUFSkPTpl8fdyoxmm6rp8X2JqGI6iiKvD0DvbKGXJedABNHXaWhkfu4V2ZjEWlr13O6QETFSRyd jdMSo70Hn2H781uRL5/KsYoCpIr496DGlkmqLaPIb2vJVkXFok2BTcgdxa1ueBYYFBcNmFsoiMI uuP/i5GNNFfZr0quOMqdgajPYRQKjRBBJhU750YFvMqrV/AIGDtilEb2rzzer8ESXEwr83cBa74 9ywpUpStY5q1dGLcrygvjRNlh80Eow1QA5KZnToIkFxwJS0peUqPnF/ys8dcd4EopFnE3es008f YUfDyxqEmwsDb0JU4yl++UecZAut9icj54NPIN/h8C0MuIxebOsNYa2ny6uo4eJRHl4WQCZI+G6 BnRLSJXBCjpSufYMfdZ/p/OgDSMwU5CD7+GeAZbJwR/ef/5OAaLuv0nIhefiTM80uADgNTwyE9H RMwemdrFKImk/w7fH/ylW/bE2b+D2niUYF/XTwI2ZERl2BUQQXA34BOJge8jGPgfC0uQqGqu3Rk BhtychCyAGJB3nA== X-Developer-Key: i=jacopo.mondi@ideasonboard.com; a=openpgp; fpr=72392EDC88144A65C701EA9BA5826A2587AD026B X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" The Mali-C55 LSC algorithm uses 8-bit gain values. Specialize Interpolator> for uint8_t to prevent the uint16_t specialization from being selected. Signed-off-by: Jacopo Mondi --- src/ipa/libipa/lsc_base.cpp | 11 +++++++++++ src/ipa/libipa/lsc_base.h | 7 +++++++ 2 files changed, 18 insertions(+) diff --git a/src/ipa/libipa/lsc_base.cpp b/src/ipa/libipa/lsc_base.cpp index f47c9619669e..3ab1c75c4310 100644 --- a/src/ipa/libipa/lsc_base.cpp +++ b/src/ipa/libipa/lsc_base.cpp @@ -63,6 +63,17 @@ namespace lsc { } /* namespace lsc */ #ifndef __DOXYGEN__ +template<> +void Interpolator>:: + interpolate(const lsc::Components &a, + const lsc::Components &b, + lsc::Components &dest, + double lambda) +{ + for (auto const &[k, v] : a) + interpolateVector(v, b.at(k), dest[k], lambda); +} + template<> void Interpolator>:: interpolate(const lsc::Components &a, diff --git a/src/ipa/libipa/lsc_base.h b/src/ipa/libipa/lsc_base.h index a25d951e8ddb..51f3dd91f547 100644 --- a/src/ipa/libipa/lsc_base.h +++ b/src/ipa/libipa/lsc_base.h @@ -49,6 +49,13 @@ void interpolateVector(const std::vector &a, const std::vector &b, dest[i] = a[i] * (1.0 - lambda) + b[i] * lambda; } +template<> +void Interpolator>:: + interpolate(const lsc::Components &a, + const lsc::Components &b, + lsc::Components &dest, + double lambda); + template<> void Interpolator>:: interpolate(const lsc::Components &a,