{"id":25514,"url":"https://patchwork.libcamera.org/api/1.1/patches/25514/?format=json","web_url":"https://patchwork.libcamera.org/patch/25514/","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":"<20251211232246.31330-21-bryan.odonoghue@linaro.org>","date":"2025-12-11T23:22:45","name":"[v5,20/20] libcamera: software_isp: lut: Make contrast available in debayer params","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"83993195e06b0449ff8570fc403c27b5cf696655","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/25514/mbox/","series":[{"id":5656,"url":"https://patchwork.libcamera.org/api/1.1/series/5656/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5656","date":"2025-12-11T23:22:25","name":"GPUISP precursor series","version":5,"mbox":"https://patchwork.libcamera.org/series/5656/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/25514/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/25514/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 BF996C3257\n\tfor ;\n\tThu, 11 Dec 2025 23:24:21 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 7BE6C616AB;\n\tFri, 12 Dec 2025 00:24:21 +0100 (CET)","from mail-pf1-x433.google.com (mail-pf1-x433.google.com\n\t[IPv6:2607:f8b0:4864:20::433])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 6511861623\n\tfor ;\n\tFri, 12 Dec 2025 00:24:19 +0100 (CET)","by mail-pf1-x433.google.com with SMTP id\n\td2e1a72fcca58-7aa2170adf9so564782b3a.0\n\tfor ;\n\tThu, 11 Dec 2025 15:24:19 -0800 (PST)","from inspiron14p-linux (M106185144161.v4.enabler.ne.jp.\n\t[106.185.144.161]) by smtp.gmail.com with ESMTPSA id\n\td2e1a72fcca58-7f4c4ab52aasm3399933b3a.38.2025.12.11.15.24.15\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 11 Dec 2025 15:24:17 -0800 (PST)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tThu, 11 Dec 2025 15:24:17 -0800 (PST)","From":"Bryan O'Donoghue ","To":"libcamera-devel@lists.libcamera.org","Cc":"pavel@ucw.cz, Bryan O'Donoghue ,\n\tMilan Zamazal ,\n\tKieran Bingham ","Subject":"[PATCH v5 20/20] libcamera: software_isp: lut: Make contrast\n\tavailable in debayer params","Date":"Thu, 11 Dec 2025 23:22:45 +0000","Message-ID":"<20251211232246.31330-21-bryan.odonoghue@linaro.org>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20251211232246.31330-1-bryan.odonoghue@linaro.org>","References":"<20251211232246.31330-1-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":"Provide the contrast used in IPA to Bayer parameters. Similar to the\ncalculated Gamma value we will pass this value into the debayer fragment\nshader for further consumption.\n\nReviewed-by: Milan Zamazal \nReviewed-by: Kieran Bingham \nSigned-off-by: Bryan O'Donoghue \n---\n include/libcamera/internal/software_isp/debayer_params.h | 1 +\n src/ipa/simple/algorithms/lut.cpp | 1 +\n src/libcamera/software_isp/debayer.cpp | 5 +++++\n 3 files changed, 7 insertions(+)","diff":"diff --git a/include/libcamera/internal/software_isp/debayer_params.h b/include/libcamera/internal/software_isp/debayer_params.h\nindex d5dad1a98..8033f7d5b 100644\n--- a/include/libcamera/internal/software_isp/debayer_params.h\n+++ b/include/libcamera/internal/software_isp/debayer_params.h\n@@ -59,6 +59,7 @@ struct DebayerParams {\n \tMatrix ccm;\n \tRGB blackLevel;\n \tfloat gamma;\n+\tfloat contrast;\n };\n \n } /* namespace libcamera */\ndiff --git a/src/ipa/simple/algorithms/lut.cpp b/src/ipa/simple/algorithms/lut.cpp\nindex ea5a86b20..9aaab54f1 100644\n--- a/src/ipa/simple/algorithms/lut.cpp\n+++ b/src/ipa/simple/algorithms/lut.cpp\n@@ -149,6 +149,7 @@ void Lut::prepare(IPAContext &context,\n \t}\n \n \tparams->gamma = context.configuration.gamma;\n+\tparams->contrast = context.activeState.gamma.contrast;\n }\n \n void Lut::process([[maybe_unused]] IPAContext &context,\ndiff --git a/src/libcamera/software_isp/debayer.cpp b/src/libcamera/software_isp/debayer.cpp\nindex b3615b32b..b5b99d390 100644\n--- a/src/libcamera/software_isp/debayer.cpp\n+++ b/src/libcamera/software_isp/debayer.cpp\n@@ -115,6 +115,11 @@ namespace libcamera {\n * \\brief Gamma value for the GPUISP\n */\n \n+/**\n+ * \\var DebayerParams::contrast\n+ * \\brief Contrast value for GPUISP\n+ */\n+\n /**\n * \\class Debayer\n * \\brief Base debayering class\n","prefixes":["v5","20/20"]}