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{ "id": 25673, "url": "https://patchwork.libcamera.org/api/patches/25673/?format=api", "web_url": "https://patchwork.libcamera.org/patch/25673/", "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": "<20260106170059.56193-22-bryan.odonoghue@linaro.org>", "date": "2026-01-06T17:00:56", "name": "[v11,21/24] libcamera: software_isp: lut: Change default Gamma to 1.0/2.2", "commit_ref": "852ffae2a01a542df527c2c7ab3707bfe72ef420", "pull_url": null, "state": "accepted", "archived": false, "hash": "a52a760a5e30db3ecc175e5e97f0de71079d229b", "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/25673/mbox/", "series": [ { "id": 5689, "url": "https://patchwork.libcamera.org/api/series/5689/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5689", "date": "2026-01-06T17:00:35", "name": "Add GLES 2.0 GPUISP to libcamera", "version": 10, "mbox": "https://patchwork.libcamera.org/series/5689/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/25673/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/25673/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "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 D39C4BDCC0\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 6 Jan 2026 17:01:31 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 8C17D6202E;\n\tTue, 6 Jan 2026 18:01:31 +0100 (CET)", "from mail-wr1-x436.google.com (mail-wr1-x436.google.com\n\t[IPv6:2a00:1450:4864:20::436])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 49B2F62015\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 6 Jan 2026 18:01:29 +0100 (CET)", "by mail-wr1-x436.google.com with SMTP id\n\tffacd0b85a97d-42fb6ce71c7so840636f8f.1\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 06 Jan 2026 09:01:29 -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\tffacd0b85a97d-432bd0dadcfsm5515322f8f.3.2026.01.06.09.01.27\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tTue, 06 Jan 2026 09:01:28 -0800 (PST)" ], "Authentication-Results": "lancelot.ideasonboard.com; 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\n\tTue, 06 Jan 2026 09:01:28 -0800 (PST)", "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\tHans de Goede <johannes.goede@oss.qualcomm.com>,\n\tMilan Zamazal <mzamazal@redhat.com>", "Subject": "[PATCH v11 21/24] libcamera: software_isp: lut: Change default Gamma\n\tto 1.0/2.2", "Date": "Tue, 6 Jan 2026 17:00:56 +0000", "Message-ID": "<20260106170059.56193-22-bryan.odonoghue@linaro.org>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260106170059.56193-1-bryan.odonoghue@linaro.org>", "References": "<20260106170059.56193-1-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": "<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": "Change the default softisp Gamma from 0.5 to 1.0/2.2.\n\nReviewed-by: Hans de Goede <johannes.goede@oss.qualcomm.com>\nReviewed-by: Milan Zamazal <mzamazal@redhat.com>\nSigned-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>\n---\n src/ipa/simple/algorithms/lut.cpp | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/src/ipa/simple/algorithms/lut.cpp b/src/ipa/simple/algorithms/lut.cpp\nindex 7418daa1e..54cb804e7 100644\n--- a/src/ipa/simple/algorithms/lut.cpp\n+++ b/src/ipa/simple/algorithms/lut.cpp\n@@ -35,7 +35,7 @@ int Lut::configure(IPAContext &context,\n \t\t [[maybe_unused]] const IPAConfigInfo &configInfo)\n {\n \t/* Gamma value is fixed */\n-\tcontext.configuration.gamma = 0.5;\n+\tcontext.configuration.gamma = 1.0 / 2.2;\n \tcontext.activeState.knobs.contrast = std::optional<double>();\n \tupdateGammaTable(context);\n \n", "prefixes": [ "v11", "21/24" ] }