{"id":25593,"url":"https://patchwork.libcamera.org/api/1.1/patches/25593/?format=json","web_url":"https://patchwork.libcamera.org/patch/25593/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20251217100138.82525-21-bryan.odonoghue@linaro.org>","date":"2025-12-17T10:01:32","name":"[v9,20/26] libcamera: software_isp: ccm: Add self-initialising identity CCM to Ccm::init","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"0d73314e3e6815df884bf544882a07b60e83a323","submitter":{"id":175,"url":"https://patchwork.libcamera.org/api/1.1/people/175/?format=json","name":"Bryan O'Donoghue","email":"bryan.odonoghue@linaro.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/25593/mbox/","series":[{"id":5669,"url":"https://patchwork.libcamera.org/api/1.1/series/5669/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5669","date":"2025-12-17T10:01:12","name":"Add GLES 2.0 GPUISP to libcamera","version":9,"mbox":"https://patchwork.libcamera.org/series/5669/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/25593/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/25593/checks/","tags":{},"headers":{"Return-Path":"","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 19464C32AF\n\tfor ;\n\tWed, 17 Dec 2025 10:02:24 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id B6B7561F5E;\n\tWed, 17 Dec 2025 11:02:23 +0100 (CET)","from mail-wm1-x329.google.com (mail-wm1-x329.google.com\n\t[IPv6:2a00:1450:4864:20::329])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A109B61F0A\n\tfor ;\n\tWed, 17 Dec 2025 11:02:07 +0100 (CET)","by mail-wm1-x329.google.com with SMTP id\n\t5b1f17b1804b1-477563e28a3so2283845e9.1\n\tfor ;\n\tWed, 17 Dec 2025 02:02:07 -0800 (PST)","from inspiron14p-linux.ht.home (188-141-3-146.dynamic.upc.ie.\n\t[188.141.3.146]) by smtp.gmail.com with ESMTPSA id\n\t5b1f17b1804b1-47bdc1583fbsm32292585e9.0.2025.12.17.02.02.05\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tWed, 17 Dec 2025 02:02:06 -0800 (PST)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tWed, 17 Dec 2025 02:02:06 -0800 (PST)","From":"Bryan O'Donoghue ","To":"libcamera-devel@lists.libcamera.org","Cc":"pavel@ucw.cz, Bryan O'Donoghue ,\n\tMilan Zamazal ","Subject":"[PATCH v9 20/26] libcamera: software_isp: ccm: Add self-initialising\n\tidentity CCM to Ccm::init","Date":"Wed, 17 Dec 2025 10:01:32 +0000","Message-ID":"<20251217100138.82525-21-bryan.odonoghue@linaro.org>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20251217100138.82525-1-bryan.odonoghue@linaro.org>","References":"<20251217100138.82525-1-bryan.odonoghue@linaro.org>","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":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"We have a need to generate an identity CCM when running the GPUIsp without\na sensor tuning file.\n\nA preivous patch added a selfInitialising bool to the IPAContext structure.\nWhen that bool is true generate an identity CCM at colour temperature\n6500k.\n\nReviewed-by: Milan Zamazal \nSigned-off-by: Bryan O'Donoghue \n---\n src/ipa/simple/algorithms/ccm.cpp | 22 ++++++++++++++++------\n 1 file changed, 16 insertions(+), 6 deletions(-)","diff":"diff --git a/src/ipa/simple/algorithms/ccm.cpp b/src/ipa/simple/algorithms/ccm.cpp\nindex 0a98406c1..ac1ce1685 100644\n--- a/src/ipa/simple/algorithms/ccm.cpp\n+++ b/src/ipa/simple/algorithms/ccm.cpp\n@@ -27,13 +27,23 @@ namespace ipa::soft::algorithms {\n \n LOG_DEFINE_CATEGORY(IPASoftCcm)\n \n-int Ccm::init([[maybe_unused]] IPAContext &context, const YamlObject &tuningData)\n+int Ccm::init([[maybe_unused]] IPAContext &context, [[maybe_unused]] const YamlObject &tuningData)\n {\n-\tint ret = ccm_.readYaml(tuningData[\"ccms\"], \"ct\", \"ccm\");\n-\tif (ret < 0) {\n-\t\tLOG(IPASoftCcm, Error)\n-\t\t\t<< \"Failed to parse 'ccm' parameter from tuning file.\";\n-\t\treturn ret;\n+\tif (!context.selfInitialising) {\n+\t\tint ret = ccm_.readYaml(tuningData[\"ccms\"], \"ct\", \"ccm\");\n+\t\tif (ret < 0) {\n+\t\t\tLOG(IPASoftCcm, Error)\n+\t\t\t\t<< \"Failed to parse 'ccm' parameter from tuning file.\";\n+\t\t\treturn ret;\n+\t\t}\n+\t} else {\n+\t\t/* Initialize with identity CCM at standard D65 color temperature */\n+\t\tMatrix identityMatrix = Matrix::identity();\n+\n+\t\tstd::map> ccmData;\n+\t\tccmData[6500] = identityMatrix;\n+\n+\t\tccm_ = Interpolator>(std::move(ccmData));\n \t}\n \n \tcontext.ccmEnabled = true;\n","prefixes":["v9","20/26"]}