From patchwork Wed Jul 8 15:51:16 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 27340 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 0890CC3338 for ; Wed, 8 Jul 2026 15:51:58 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id A3C8766111; Wed, 8 Jul 2026 17:51:57 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="gw1M6ND6"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 5214C660D7 for ; Wed, 8 Jul 2026 17:51:23 +0200 (CEST) Received: from [192.168.1.182] (93-46-82-201.ip106.fastwebnet.it [93.46.82.201]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 7309A4059; Wed, 8 Jul 2026 17:50:33 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1783525833; bh=pKxxZ9cajwGg/4XFTEBKJ35/7Bmlg5h/GcltukR9A5Y=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=gw1M6ND6YIZtKzRMAqp7875ugVhah/zvvxb7lvadNtlXDub+XL0JQAWOe4rEFe3w1 nufMYXkhJapRlmK/mcra+RQFZGK5jCs+QMRoSOHYk+DL4cEHc2ML6TvqdluO5Uniax 3Swab3eNCbwrtAEFAKpBFxUxBPgQ9asIWbNyyf/A= From: Jacopo Mondi Date: Wed, 08 Jul 2026 17:51:16 +0200 Subject: [PATCH v5 34/36] ipa: libipa: lsc: Specialize Interpolator for uint8_t MIME-Version: 1.0 Message-Id: <20260708-libipa-algorithms-v5-34-0759d0359f52@ideasonboard.com> References: <20260708-libipa-algorithms-v5-0-0759d0359f52@ideasonboard.com> In-Reply-To: <20260708-libipa-algorithms-v5-0-0759d0359f52@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=pKxxZ9cajwGg/4XFTEBKJ35/7Bmlg5h/GcltukR9A5Y=; b=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBqTnHtJT9XBhcWqONPcXhgf4AAu/oHcL8TpuY5G qSQwB1qC0iJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCak5x7QAKCRByNAaPFqFW PA/BEACbet4XP/rkUgrxopirdwDFiyhdtdhN4pN06m8DAV19t9qjfx7QHx39W604X9bPUG6ufsk taf7jjGNOLYonk8I1UwprQl1AiOjXhx0c0swPNGlQuJtVT4DB88MCt2IHLISGOuBReJpffMLgfg pU9zJmUy44jgXjNu+768EEvzx1bHqV1p7sOFchbuXkdYzIsjXEeT63FfBKgfKi+SBxwjLBTj3/k 0GkMbJqp2PNqyRKV1vu/gTnmEiRhMtuU+Q8i31HOIx99gxXw2/H9s8ysS4wHUq4qGY0LJ3qxzB6 iIWTwRzwyslfV6r96XdZ1DS0v/u535enjPFIZ90CzaDbgUMtQAX7HZ4JPJstfIw7xSLWVMlA9lk i1tvAgFgIpYA64Y8mpxlGG/ZbC+ZptxQK72exo+r+iFyIpJ6swmuddaKRDa90WEHhZoqntV09X5 rNje8oiXnlnO4FSK2kUyf1g1c5cisVWPtV+V5QPjL18RNffCBRrFKBwi6vNPS3TnlVLkogUnWB0 xZCDLrBsofhWJ677egM0HVF/k+5iYlNMLK2U4Uzscvs3PSsgNup+Typqqdrp3snXtCvcGpmF6cp 0MBilIIK4/wltPhJSG372+SSFtl7hwss8qy9dTtg8trb20Rvev26ujYVcw49l9VzKJiZ5V4Ctax tGVi1nBdvonW8fg== 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 c87e2680d973..a0b78ac5265b 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,