{"id":25536,"url":"https://patchwork.libcamera.org/api/patches/25536/?format=json","web_url":"https://patchwork.libcamera.org/patch/25536/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/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":"<20251212002937.3118-22-bryan.odonoghue@linaro.org>","date":"2025-12-12T00:29:32","name":"[v8,21/26] ipa: libipa: module: Add createSelfEnumeratingAlgorithm","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"38e6507477c1fd045567e6eda1925bf28e82b227","submitter":{"id":175,"url":"https://patchwork.libcamera.org/api/people/175/?format=json","name":"Bryan O'Donoghue","email":"bryan.odonoghue@linaro.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/25536/mbox/","series":[{"id":5657,"url":"https://patchwork.libcamera.org/api/series/5657/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5657","date":"2025-12-12T00:29:11","name":"Add GLES 2.0 GPUISP to libcamera","version":8,"mbox":"https://patchwork.libcamera.org/series/5657/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/25536/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/25536/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 5E0B0BD1F1\n\tfor ;\n\tFri, 12 Dec 2025 00:34:30 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 13C3B61921;\n\tFri, 12 Dec 2025 01:34:30 +0100 (CET)","from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com\n\t[IPv6:2607:f8b0:4864:20::62a])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 4A5C96191A\n\tfor ;\n\tFri, 12 Dec 2025 01:34:28 +0100 (CET)","by mail-pl1-x62a.google.com with SMTP id\n\td9443c01a7336-29d7b019e0eso8862715ad.2\n\tfor ;\n\tThu, 11 Dec 2025 16:34:28 -0800 (PST)","from inspiron14p-linux (p99250-ipoefx.ipoe.ocn.ne.jp.\n\t[153.246.134.249]) by smtp.gmail.com with ESMTPSA id\n\t41be03b00d2f7-c0c26eb0f6bsm3317282a12.14.2025.12.11.16.34.24\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 11 Dec 2025 16:34:26 -0800 (PST)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tThu, 11 Dec 2025 16:34:26 -0800 (PST)","From":"Bryan O'Donoghue ","To":"libcamera-devel@lists.libcamera.org","Cc":"pavel@ucw.cz,\n\tBryan O'Donoghue ","Subject":"[PATCH v8 21/26] ipa: libipa: module: Add\n\tcreateSelfEnumeratingAlgorithm","Date":"Fri, 12 Dec 2025 00:29:32 +0000","Message-ID":"<20251212002937.3118-22-bryan.odonoghue@linaro.org>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20251212002937.3118-1-bryan.odonoghue@linaro.org>","References":"<20251212002937.3118-1-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":"Create an algorithm without having YAML data input.\n\nSigned-off-by: Bryan O'Donoghue \n---\n src/ipa/libipa/module.cpp | 34 ++++++++++++++++++++++++++++\n src/ipa/libipa/module.h | 47 +++++++++++++++++++++++++++++----------\n 2 files changed, 69 insertions(+), 12 deletions(-)","diff":"diff --git a/src/ipa/libipa/module.cpp b/src/ipa/libipa/module.cpp\nindex a95dca696..41235f902 100644\n--- a/src/ipa/libipa/module.cpp\n+++ b/src/ipa/libipa/module.cpp\n@@ -83,6 +83,40 @@ namespace ipa {\n * \\return The list of instantiated algorithms\n */\n \n+/**\n+ * \\fn int Module::createSelfEnumeratingAlgorithm(Context &context, const std::string &name)\n+ * \\brief Create and initialise a self-enumerating algorithm by name\n+ *\n+ * This function creates an algorithm instance from the registered algorithm\n+ * factories using only the algorithm name, without requiring YAML configuration\n+ * data.\n+ *\n+ * This is useful for algorithms that don't require external configuration\n+ * parameters and can self-configure or use default values.\n+ *\n+ * \\param[in] context The IPA context to pass to the algorithm's init function\n+ * \\param[in] name The name of the algorithm to instantiate\n+ *\n+ * \\return 0 on success, negative errno value on failure:\n+ * -EINVAL if the algorithm is not found in the factory registry\n+ * Other negative values if algorithm initialisation fails\n+ */\n+\n+/**\n+ * \\fn int Module::createAlgorithmCommon(Context &context, const YamlObject &algoData, const std::string &name)\n+ * \\brief Common helper fucntion to allow createSelfEnumeratingAlgorithm and createAlgorithm share code\n+ *\n+ * Worker method which allows sharing of common code in the Yaml and self-initialising algorithm case\n+ *\n+ * \\param[in] context The IPA context to pass to the algorithm's init function\n+ * \\param[in] algoData Yaml object.\n+ * \\param[in] name The name of the algorithm to instantiate\n+ *\n+ * \\return 0 on success, negative errno value on failure:\n+ * -EINVAL if the algorithm is not found in the factory registry\n+ * Other negative values if algorithm initialisation fails\n+ */\n+\n /**\n * \\fn Module::createAlgorithms()\n * \\brief Create algorithms from YAML configuration data\ndiff --git a/src/ipa/libipa/module.h b/src/ipa/libipa/module.h\nindex c27af7718..5ab6afc18 100644\n--- a/src/ipa/libipa/module.h\n+++ b/src/ipa/libipa/module.h\n@@ -70,22 +70,26 @@ public:\n \t\tfactories().push_back(factory);\n \t}\n \n-private:\n-\tint createAlgorithm(Context &context, const YamlObject &data)\n+\tint createSelfEnumeratingAlgorithm(Context &context, const std::string &name)\n \t{\n-\t\tconst auto &[name, algoData] = *data.asDict().begin();\n+\t\tYamlObject dummy;\n \n-\t\t/*\n-\t\t * Optionally, algorithms can be disabled via the tuning file\n-\t\t * by including enabled: false as a parameter within the\n-\t\t * algorithm tuning data. This is not an error, so we return 0.\n-\t\t */\n-\t\tif (!algoData[\"enabled\"].get(true)) {\n-\t\t\tLOG(IPAModuleAlgo, Info)\n-\t\t\t\t<< \"Algorithm '\" << name << \"' disabled via tuning file\";\n-\t\t\treturn 0;\n+\t\tstd::unique_ptr> algo = createAlgorithm(name);\n+\t\tif (!algo) {\n+\t\t\tLOG(IPAModuleAlgo, Error)\n+\t\t\t\t<< \"Algorithm '\" << name << \"' not found\";\n+\t\t\treturn -EINVAL;\n \t\t}\n \n+\t\tcontext.selfInitialising = true;\n+\n+\t\treturn createAlgorithmCommon(context, dummy, name);\n+\t}\n+\n+private:\n+\n+\tint createAlgorithmCommon(Context &context, const YamlObject &algoData, const std::string &name)\n+\t{\n \t\tstd::unique_ptr> algo = createAlgorithm(name);\n \t\tif (!algo) {\n \t\t\tLOG(IPAModuleAlgo, Error)\n@@ -104,9 +108,28 @@ private:\n \t\t\t<< \"Instantiated algorithm '\" << name << \"'\";\n \n \t\talgorithms_.push_back(std::move(algo));\n+\n \t\treturn 0;\n \t}\n \n+\tint createAlgorithm(Context &context, const YamlObject &data)\n+\t{\n+\t\tconst auto &[name, algoData] = *data.asDict().begin();\n+\n+\t\t/*\n+\t\t * Optionally, algorithms can be disabled via the tuning file\n+\t\t * by including enabled: false as a parameter within the\n+\t\t * algorithm tuning data. This is not an error, so we return 0.\n+\t\t */\n+\t\tif (!algoData[\"enabled\"].get(true)) {\n+\t\t\tLOG(IPAModuleAlgo, Info)\n+\t\t\t\t<< \"Algorithm '\" << name << \"' disabled via tuning file\";\n+\t\t\treturn 0;\n+\t\t}\n+\n+\t\treturn createAlgorithmCommon(context, algoData, name);\n+\t}\n+\n \tstatic std::unique_ptr> createAlgorithm(const std::string &name)\n \t{\n \t\tfor (const AlgorithmFactoryBase *factory : factories()) {\n","prefixes":["v8","21/26"]}