{"id":26997,"url":"https://patchwork.libcamera.org/api/1.1/patches/26997/?format=json","web_url":"https://patchwork.libcamera.org/patch/26997/","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":"<20260621-kbingham-awb-saturation-v1-2-b91ea59c6cfb@ideasonboard.com>","date":"2026-06-20T23:00:29","name":"[2/7] ipa: rkisp1: awb: Utilise clamp function","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"79c6bf82badbd54b8cc127127948f296e7f58b5d","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/1.1/people/4/?format=json","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/26997/mbox/","series":[{"id":6009,"url":"https://patchwork.libcamera.org/api/1.1/series/6009/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=6009","date":"2026-06-20T23:00:27","name":"softisp: Fix Saturation and Black level handling","version":1,"mbox":"https://patchwork.libcamera.org/series/6009/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/26997/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/26997/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 130ACC3302\n\tfor ;\n\tSat, 20 Jun 2026 23:00:43 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 598B062899;\n\tSun, 21 Jun 2026 01:00:39 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 25516656DD\n\tfor ;\n\tSun, 21 Jun 2026 01:00:36 +0200 (CEST)","from [192.168.0.240]\n\t(cpc89244-aztw30-2-0-cust6594.18-1.cable.virginm.net [86.31.185.195])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id F16A4CF5;\n\tSun, 21 Jun 2026 00:59:58 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"QlU1bJE8\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1781996399;\n\tbh=D509HpL8p5KRn2kdLFIfhcUDFCTpKKZwYkSVgUsRw4I=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=QlU1bJE8KO652RjW0PBjL2Q4SQNBEocgCFKswvtN72XGq85KFjFwzK2qSP8wfYkbh\n\t0p2nEliHMNmxm+yp1z6v6CfKsLFHwfWZN/VOHKwmJDemdfhca4okMFVRFk76LPTMaE\n\txfqZiWYTC4Y+paOY/8bVrb7mogQ+gJWMbGabJJJ4=","From":"Kieran Bingham ","Date":"Sun, 21 Jun 2026 00:00:29 +0100","Subject":"[PATCH 2/7] ipa: rkisp1: awb: Utilise clamp function","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260621-kbingham-awb-saturation-v1-2-b91ea59c6cfb@ideasonboard.com>","References":"<20260621-kbingham-awb-saturation-v1-0-b91ea59c6cfb@ideasonboard.com>","In-Reply-To":"<20260621-kbingham-awb-saturation-v1-0-b91ea59c6cfb@ideasonboard.com>","To":"libcamera-devel@lists.libcamera.org","Cc":"Kieran Bingham ","X-Mailer":"b4 0.14.2","X-Developer-Signature":"v=1; a=ed25519-sha256; t=1781996434; l=910;\n\ti=kieran.bingham@ideasonboard.com; s=20260204;\n\th=from:subject:message-id; \n\tbh=D509HpL8p5KRn2kdLFIfhcUDFCTpKKZwYkSVgUsRw4I=;\n\tb=IP+G3XtibBNCcNP/0EsaRmhSxrZI8hmH/nA1xtyItihLYgJMMfdeL9Sk/i8zm/gVu2J/cSkx+\n\tccHvbNZF7uBDdZqOFSSrICFkAqI+prGO3a8MpxXmdDYfwm7WZo05PXS","X-Developer-Key":"i=kieran.bingham@ideasonboard.com; a=ed25519;\n\tpk=IOxS2C6nWHNjLfkDR71Iesk904i6wJDfEERqV7hDBdY=","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":"Use the newly introduced 'clamp' operation on the RGB vector type to\nrestrict the raw RGB means.\n\nSigned-off-by: Kieran Bingham \n---\n src/ipa/rkisp1/algorithms/awb.cpp | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)","diff":"diff --git a/src/ipa/rkisp1/algorithms/awb.cpp b/src/ipa/rkisp1/algorithms/awb.cpp\nindex 5ae5b647164329573f0a233ee36d1db7b3683ef9..0eb05c2b6e1ac9e159e050bae3d5c56ec3045299 100644\n--- a/src/ipa/rkisp1/algorithms/awb.cpp\n+++ b/src/ipa/rkisp1/algorithms/awb.cpp\n@@ -332,7 +332,7 @@ void Awb::process(IPAContext &context,\n \t * divisions by zero when computing the raw means in subsequent\n \t * iterations.\n \t */\n-\tawbResult.gains = awbResult.gains.max(1.0 / 256).min(1023.0 / 256);\n+\tawbResult.gains = awbResult.gains.clamp(1.0 / 256, 1023.0 / 256);\n \n \t/* Filter the values to avoid oscillations. */\n \tdouble speed = 0.2;\n","prefixes":["2/7"]}