{"id":25305,"url":"https://patchwork.libcamera.org/api/patches/25305/?format=json","web_url":"https://patchwork.libcamera.org/patch/25305/","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":"<20251202133157.661407-20-bryan.odonoghue@linaro.org>","date":"2025-12-02T13:31:50","name":"[v3,19/22] libcamera: software_isp: lut: Make CCM available in debayer params","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"f9a37f61045bc5413e56d460d2e1b8c1956e3e48","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/25305/mbox/","series":[{"id":5630,"url":"https://patchwork.libcamera.org/api/series/5630/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5630","date":"2025-12-02T13:31:31","name":"GPUISP precursor series","version":3,"mbox":"https://patchwork.libcamera.org/series/5630/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/25305/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/25305/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 E4318C32F6\n\tfor ;\n\tTue, 2 Dec 2025 13:32:36 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2D6E860D2E;\n\tTue, 2 Dec 2025 14:32:36 +0100 (CET)","from mail-wm1-x329.google.com (mail-wm1-x329.google.com\n\t[IPv6:2a00:1450:4864:20::329])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 5F94C60C8C\n\tfor ;\n\tTue, 2 Dec 2025 14:32:23 +0100 (CET)","by mail-wm1-x329.google.com with SMTP id\n\t5b1f17b1804b1-4779adb38d3so40879445e9.2\n\tfor ;\n\tTue, 02 Dec 2025 05:32:23 -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-42e1c5c30c4sm33363322f8f.9.2025.12.02.05.32.21\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tTue, 02 Dec 2025 05:32:22 -0800 (PST)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tTue, 02 Dec 2025 05:32:22 -0800 (PST)","From":"Bryan O'Donoghue ","To":"libcamera-devel@lists.libcamera.org","Cc":"pavel@ucw.cz, Bryan O'Donoghue ,\n\tKieran Bingham ","Subject":"[PATCH v3 19/22] libcamera: software_isp: lut: Make CCM available in\n\tdebayer params","Date":"Tue, 2 Dec 2025 13:31:50 +0000","Message-ID":"<20251202133157.661407-20-bryan.odonoghue@linaro.org>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20251202133157.661407-1-bryan.odonoghue@linaro.org>","References":"<20251202133157.661407-1-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 CCM calculated in LUT to the debayer params structure for\nconsumption in the debayer shaders.\n\nReviewed-by: Kieran Bingham \nSigned-off-by: Bryan O'Donoghue \n---\n include/libcamera/internal/software_isp/debayer_params.h | 7 +++++++\n src/ipa/simple/algorithms/lut.cpp | 1 +\n src/libcamera/software_isp/debayer.cpp | 5 +++++\n 3 files changed, 13 insertions(+)","diff":"diff --git a/include/libcamera/internal/software_isp/debayer_params.h b/include/libcamera/internal/software_isp/debayer_params.h\nindex 217cd5d92..4b203e211 100644\n--- a/include/libcamera/internal/software_isp/debayer_params.h\n+++ b/include/libcamera/internal/software_isp/debayer_params.h\n@@ -13,6 +13,8 @@\n #include \n #include \n \n+#include \"libcamera/internal/matrix.h\"\n+\n namespace libcamera {\n \n struct DebayerParams {\n@@ -49,6 +51,11 @@ struct DebayerParams {\n \tCcmLookupTable greenCcm;\n \tCcmLookupTable blueCcm;\n \tLookupTable gammaLut;\n+\n+\t/*\n+\t * Per frame corrections as calculated by the IPA\n+\t */\n+\tMatrix ccm;\n };\n \n } /* namespace libcamera */\ndiff --git a/src/ipa/simple/algorithms/lut.cpp b/src/ipa/simple/algorithms/lut.cpp\nindex d4a79e101..49482d711 100644\n--- a/src/ipa/simple/algorithms/lut.cpp\n+++ b/src/ipa/simple/algorithms/lut.cpp\n@@ -133,6 +133,7 @@ void Lut::prepare(IPAContext &context,\n \t\tauto &red = params->redCcm;\n \t\tauto &green = params->greenCcm;\n \t\tauto &blue = params->blueCcm;\n+\t\tparams->ccm = ccm;\n \t\tfor (unsigned int i = 0; i < DebayerParams::kRGBLookupSize; i++) {\n \t\t\tred[i].r = ccmValue(i, ccm[0][0]);\n \t\t\tred[i].g = ccmValue(i, ccm[1][0]);\ndiff --git a/src/libcamera/software_isp/debayer.cpp b/src/libcamera/software_isp/debayer.cpp\nindex dae1f12d9..f5c94bb8c 100644\n--- a/src/libcamera/software_isp/debayer.cpp\n+++ b/src/libcamera/software_isp/debayer.cpp\n@@ -100,6 +100,11 @@ namespace libcamera {\n * \\brief Gamma lookup table used with color correction matrix\n */\n \n+/**\n+ * \\var DebayerParams::ccm\n+ * \\brief Per frame colour correction matrix for GPUISP\n+ */\n+\n /**\n * \\class Debayer\n * \\brief Base debayering class\n","prefixes":["v3","19/22"]}