{"id":23947,"url":"https://patchwork.libcamera.org/api/covers/23947/?format=json","web_url":"https://patchwork.libcamera.org/cover/23947/","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":"<20250724152936.99830-1-mzamazal@redhat.com>","date":"2025-07-24T15:29:34","name":"[v2,0/2] Reduce statistics image area for GPU","submitter":{"id":177,"url":"https://patchwork.libcamera.org/api/people/177/?format=json","name":"Milan Zamazal","email":"mzamazal@redhat.com"},"mbox":"https://patchwork.libcamera.org/cover/23947/mbox/","series":[{"id":5324,"url":"https://patchwork.libcamera.org/api/series/5324/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5324","date":"2025-07-24T15:29:34","name":"Reduce statistics image area for GPU","version":2,"mbox":"https://patchwork.libcamera.org/series/5324/mbox/"}],"comments":"https://patchwork.libcamera.org/api/covers/23947/comments/","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 49462C3237\n\tfor ;\n\tThu, 24 Jul 2025 15:29:50 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id D970069113;\n\tThu, 24 Jul 2025 17:29:48 +0200 (CEST)","from us-smtp-delivery-124.mimecast.com\n\t(us-smtp-delivery-124.mimecast.com [170.10.133.124])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id F0D266910B\n\tfor ;\n\tThu, 24 Jul 2025 17:29:46 +0200 (CEST)","from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com\n\t(ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63])\n\tby relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3,\n\tcipher=TLS_AES_256_GCM_SHA384) id us-mta-190-wiGdAtnINeeR11ou5RBmuw-1;\n\tThu, 24 Jul 2025 11:29:43 -0400","from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com\n\t(mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\tkey-exchange X25519 server-signature RSA-PSS (2048 bits)\n\tserver-digest SHA256) (No client certificate requested)\n\tby mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTPS id 00E31195FD06; Thu, 24 Jul 2025 15:29:42 +0000 (UTC)","from mzamazal-thinkpadp1gen7.tpbc.com (unknown [10.44.32.255])\n\tby mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTP id 41E10300018D; Thu, 24 Jul 2025 15:29:39 +0000 (UTC)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=redhat.com header.i=@redhat.com\n\theader.b=\"dvFLLDqF\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n\ts=mimecast20190719; t=1753370985;\n\th=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n\tto:to:cc:cc:mime-version:mime-version:content-type:content-type:\n\tcontent-transfer-encoding:content-transfer-encoding;\n\tbh=USgm/Cz3DmHj2MtcqDpgwaNk9RIi5/2DWyaMhinNGgM=;\n\tb=dvFLLDqFOMyNYR6+SUf4luTsxLZEHk1cYMfQShQ+LKZcR61BJpOiAglnKLXARuTwHCh68u\n\tTECxarjMO2yS6DZaui5SzfWsqGVyb1TE1L6g5G+/eH+7+Rry6RqdKRgGKmOakd7+v7zFG6\n\twIAhXSRA2dLjhmeQOpWHPeDO/8XT48c=","X-MC-Unique":"wiGdAtnINeeR11ou5RBmuw-1","X-Mimecast-MFC-AGG-ID":"wiGdAtnINeeR11ou5RBmuw_1753370982","From":"Milan Zamazal ","To":"libcamera-devel@lists.libcamera.org","Cc":"Milan Zamazal ,\n\tKieran Bingham ","Subject":"[PATCH v2 0/2] Reduce statistics image area for GPU","Date":"Thu, 24 Jul 2025 17:29:34 +0200","Message-ID":"<20250724152936.99830-1-mzamazal@redhat.com>","MIME-Version":"1.0","X-Scanned-By":"MIMEDefang 3.4.1 on 10.30.177.4","X-Mimecast-Spam-Score":"0","X-Mimecast-MFC-PROC-ID":"D6txewM6VnFHobEQPt3jOEiEHJF41pcfdhsPU0GRYns_1753370982","X-Mimecast-Originator":"redhat.com","Content-Transfer-Encoding":"8bit","content-type":"text/plain; charset=\"US-ASCII\"; x-default=true","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":"This patch set on top of GPU ISP patches reduces CPU time spent in processing statistics by about a half.\n\nChanges in v2:\n- Safer implementation of Rectangle::croppedBy() as suggested by Kieran.\n- Test added for Rectangle::croppedBy().\n- The comment about not passing x,y clarified.\n\nMilan Zamazal (2):\n libcamera: geometry: Add Rectangle::croppedBy\n libcamera: software_isp: Reduce statistics image area\n\n include/libcamera/geometry.h | 2 ++\n src/libcamera/geometry.cpp | 19 +++++++++++++++++++\n src/libcamera/software_isp/debayer_cpu.cpp | 2 +-\n src/libcamera/software_isp/debayer_egl.cpp | 7 +++++--\n test/geometry.cpp | 9 +++++++++\n 5 files changed, 36 insertions(+), 3 deletions(-)"}