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{
    "id": 25594,
    "url": "https://patchwork.libcamera.org/api/patches/25594/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/25594/",
    "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": "<20251217100138.82525-22-bryan.odonoghue@linaro.org>",
    "date": "2025-12-17T10:01:33",
    "name": "[v9,21/26] ipa: libipa: module: Add createSelfEnumeratingAlgorithm",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "7afafb800bc683af09f465c52c405b6ebf1a0aa5",
    "submitter": {
        "id": 175,
        "url": "https://patchwork.libcamera.org/api/people/175/?format=api",
        "name": "Bryan O'Donoghue",
        "email": "bryan.odonoghue@linaro.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/25594/mbox/",
    "series": [
        {
            "id": 5669,
            "url": "https://patchwork.libcamera.org/api/series/5669/?format=api",
            "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/25594/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/25594/checks/",
    "tags": {},
    "headers": {
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        "From": "Bryan O'Donoghue <bryan.odonoghue@linaro.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "pavel@ucw.cz, Bryan O'Donoghue <bryan.odonoghue@linaro.org>,\n\tMilan Zamazal <mzamazal@redhat.com>",
        "Subject": "[PATCH v9 21/26] ipa: libipa: module: Add\n\tcreateSelfEnumeratingAlgorithm",
        "Date": "Wed, 17 Dec 2025 10:01:33 +0000",
        "Message-ID": "<20251217100138.82525-22-bryan.odonoghue@linaro.org>",
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    },
    "content": "Create an algorithm without having YAML data input.\n\nReviewed-by: Milan Zamazal <mzamazal@redhat.com>\nSigned-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>\n---\n src/ipa/libipa/module.cpp | 34 +++++++++++++++++++++++++++++\n src/ipa/libipa/module.h   | 46 +++++++++++++++++++++++++++++----------\n 2 files changed, 68 insertions(+), 12 deletions(-)",
    "diff": "diff --git a/src/ipa/libipa/module.cpp b/src/ipa/libipa/module.cpp\nindex a95dca696..8e86ca823 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..d309606f2 100644\n--- a/src/ipa/libipa/module.h\n+++ b/src/ipa/libipa/module.h\n@@ -70,22 +70,25 @@ 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<bool>(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<Algorithm<Module>> 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+\tint createAlgorithmCommon(Context &context, const YamlObject &algoData, const std::string &name)\n+\t{\n \t\tstd::unique_ptr<Algorithm<Module>> algo = createAlgorithm(name);\n \t\tif (!algo) {\n \t\t\tLOG(IPAModuleAlgo, Error)\n@@ -104,9 +107,28 @@ 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<bool>(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<Algorithm<Module>> createAlgorithm(const std::string &name)\n \t{\n \t\tfor (const AlgorithmFactoryBase<Module> *factory : factories()) {\n",
    "prefixes": [
        "v9",
        "21/26"
    ]
}