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{
    "id": 27478,
    "url": "https://patchwork.libcamera.org/api/patches/27478/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/27478/",
    "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": "<20260723154327.1357866-30-barnabas.pocze@ideasonboard.com>",
    "date": "2026-07-23T15:43:12",
    "name": "[RFC,v2,29/43] ipa: libipa: agc_mean_luminance: Remove control handling",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "4114190fee5a187b7e4d81feea0f5319222c4243",
    "submitter": {
        "id": 216,
        "url": "https://patchwork.libcamera.org/api/people/216/?format=api",
        "name": "Barnabás Pőcze",
        "email": "barnabas.pocze@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/27478/mbox/",
    "series": [
        {
            "id": 6075,
            "url": "https://patchwork.libcamera.org/api/series/6075/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=6075",
            "date": "2026-07-23T15:42:43",
            "name": "ipa: libipa: agc rework",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/6075/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/27478/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/27478/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
        "X-Original-To": "parsemail@patchwork.libcamera.org",
        "Delivered-To": "parsemail@patchwork.libcamera.org",
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        ],
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        "From": "=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= <barnabas.pocze@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Subject": "[RFC PATCH v2 29/43] ipa: libipa: agc_mean_luminance: Remove control\n\thandling",
        "Date": "Thu, 23 Jul 2026 17:43:12 +0200",
        "Message-ID": "<20260723154327.1357866-30-barnabas.pocze@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.55.0",
        "In-Reply-To": "<20260723154327.1357866-1-barnabas.pocze@ideasonboard.com>",
        "References": "<20260723154327.1357866-1-barnabas.pocze@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=UTF-8",
        "Content-Transfer-Encoding": "8bit",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
        "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>",
        "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>",
        "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>",
        "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>",
        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "The `AgcMeanLuminance` type does not do any actual control handling,\nso let's remove the `ControlInfoMap::Map` member, and let the user\nhandle that using the `constraintModes()` / `exposureModeHelpers()`\ngetters.\n\nSigned-off-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>\n---\n src/ipa/libipa/agc.cpp                | 23 +++++++++++++++++------\n src/ipa/libipa/agc_mean_luminance.cpp | 20 +-------------------\n src/ipa/libipa/agc_mean_luminance.h   |  8 --------\n 3 files changed, 18 insertions(+), 33 deletions(-)",
    "diff": "diff --git a/src/ipa/libipa/agc.cpp b/src/ipa/libipa/agc.cpp\nindex 54c5c6c349..27edc96fc6 100644\n--- a/src/ipa/libipa/agc.cpp\n+++ b/src/ipa/libipa/agc.cpp\n@@ -400,16 +400,27 @@ int AgcAlgorithm::configure(agc::Session &session, agc::ActiveState &state, cons\n \tif (session.autoAllowed) {\n \t\tconfig.ctrlMap[&controls::ExposureValue] = ControlInfo(-8.0f, 8.0f, 0.0f);\n \n-\t\tfor (const auto &[id, info] : impl_.controls())\n-\t\t\tconfig.ctrlMap[id] = info;\n+\t\t{\n+\t\t\tstd::vector<ControlValue> options;\n+\t\t\tfor (const auto &[id, _] : impl_.constraintModes())\n+\t\t\t\toptions.emplace_back(id);\n+\n+\t\t\tconfig.ctrlMap[&controls::AeConstraintMode] = ControlInfo(options);\n+\t\t}\n+\n+\t\t{\n+\t\t\tstd::vector<ControlValue> options;\n+\t\t\tfor (const auto &[id, _] : impl_.exposureModeHelpers())\n+\t\t\t\toptions.emplace_back(id);\n+\n+\t\t\tconfig.ctrlMap[&controls::AeExposureMode] = ControlInfo(options);\n+\t\t}\n \t} else {\n \t\tconfig.ctrlMap.erase(&controls::ExposureValue);\n-\n-\t\tfor (const auto &[id, info] : impl_.controls())\n-\t\t\tconfig.ctrlMap.erase(id);\n+\t\tconfig.ctrlMap.erase(&controls::AeConstraintMode);\n+\t\tconfig.ctrlMap.erase(&controls::AeExposureMode);\n \t}\n \n-\n \treturn 0;\n }\n \ndiff --git a/src/ipa/libipa/agc_mean_luminance.cpp b/src/ipa/libipa/agc_mean_luminance.cpp\nindex a40b34b725..2c9c0b352c 100644\n--- a/src/ipa/libipa/agc_mean_luminance.cpp\n+++ b/src/ipa/libipa/agc_mean_luminance.cpp\n@@ -237,8 +237,6 @@ int AgcMeanLuminance::parseConstraint(const ValueNode &modeDict, int32_t id)\n \n int AgcMeanLuminance::parseConstraintModes(const ValueNode &tuningData)\n {\n-\tstd::vector<ControlValue> availableConstraintModes;\n-\n \tconst ValueNode &constraintModes = tuningData[controls::AeConstraintMode.name()];\n \tif (constraintModes.isDictionary()) {\n \t\tfor (const auto &[modeName, modeDict] : constraintModes.asDict()) {\n@@ -258,8 +256,6 @@ int AgcMeanLuminance::parseConstraintModes(const ValueNode &tuningData)\n \t\t\tint ret = parseConstraint(modeDict, it->second);\n \t\t\tif (ret)\n \t\t\t\treturn ret;\n-\n-\t\t\tavailableConstraintModes.push_back(it->second);\n \t\t}\n \t}\n \n@@ -278,18 +274,13 @@ int AgcMeanLuminance::parseConstraintModes(const ValueNode &tuningData)\n \t\t};\n \n \t\tconstraintModes_[controls::ConstraintNormal].push_back(std::move(constraint));\n-\t\tavailableConstraintModes.push_back(controls::ConstraintNormal);\n \t}\n \n-\tcontrols_[&controls::AeConstraintMode] = ControlInfo(availableConstraintModes);\n-\n \treturn 0;\n }\n \n int AgcMeanLuminance::parseExposureModes(const ValueNode &tuningData)\n {\n-\tstd::vector<ControlValue> availableExposureModes;\n-\n \tconst ValueNode &exposureModes = tuningData[controls::AeExposureMode.name()];\n \tif (exposureModes.isDictionary()) {\n \t\tfor (const auto &[modeName, modeValues] : exposureModes.asDict()) {\n@@ -332,7 +323,6 @@ int AgcMeanLuminance::parseExposureModes(const ValueNode &tuningData)\n \t\t\t}\n \n \t\t\texposureModeHelpers_.try_emplace(it->second, stages);\n-\t\t\tavailableExposureModes.push_back(it->second);\n \t\t}\n \t}\n \n@@ -342,14 +332,11 @@ int AgcMeanLuminance::parseExposureModes(const ValueNode &tuningData)\n \t * in the ExposureModeHelper simply driving the exposure time as high as\n \t * possible before touching gain.\n \t */\n-\tif (availableExposureModes.empty()) {\n+\tif (exposureModeHelpers_.empty()) {\n \t\texposureModeHelpers_.try_emplace(controls::ExposureNormal,\n \t\t\t\t\t\t Span<std::pair<utils::Duration, double>>{});\n-\t\tavailableExposureModes.push_back(controls::ExposureNormal);\n \t}\n \n-\tcontrols_[&controls::AeExposureMode] = ControlInfo(availableExposureModes);\n-\n \treturn 0;\n }\n \n@@ -473,11 +460,6 @@ void AgcMeanLuminance::setLimits(utils::Duration minExposureTime,\n  * \\brief Get the ExposureModeHelpers that have been parsed from tuning data\n  */\n \n-/**\n- * \\fn AgcMeanLuminance::controls()\n- * \\brief Get the controls that have been generated after parsing tuning data\n- */\n-\n /**\n  * \\brief Estimate the initial gain needed to achieve a relative luminance\n  * target\ndiff --git a/src/ipa/libipa/agc_mean_luminance.h b/src/ipa/libipa/agc_mean_luminance.h\nindex 5e986be008..46a4d3e3f3 100644\n--- a/src/ipa/libipa/agc_mean_luminance.h\n+++ b/src/ipa/libipa/agc_mean_luminance.h\n@@ -13,8 +13,6 @@\n \n #include <libcamera/base/utils.h>\n \n-#include <libcamera/controls.h>\n-\n #include \"libcamera/internal/value_node.h\"\n \n #include \"exposure_mode_helper.h\"\n@@ -63,11 +61,6 @@ public:\n \t\treturn exposureModeHelpers_;\n \t}\n \n-\tControlInfoMap::Map controls()\n-\t{\n-\t\treturn controls_;\n-\t}\n-\n \tstruct Params {\n \t\tconst Traits &traits;\n \t\tconst Histogram &yHist;\n@@ -108,7 +101,6 @@ private:\n \tstd::vector<AgcConstraint> additionalConstraints_;\n \tstd::map<int32_t, std::vector<AgcConstraint>> constraintModes_;\n \tstd::map<int32_t, ExposureModeHelper> exposureModeHelpers_;\n-\tControlInfoMap::Map controls_;\n };\n \n } /* namespace ipa */\n",
    "prefixes": [
        "RFC",
        "v2",
        "29/43"
    ]
}