Cover Letter Detail
Show a cover letter.
GET /api/1.1/covers/23947/?format=api
{ "id": 23947, "url": "https://patchwork.libcamera.org/api/1.1/covers/23947/?format=api", "web_url": "https://patchwork.libcamera.org/cover/23947/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/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": "<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/1.1/people/177/?format=api", "name": "Milan Zamazal", "email": "mzamazal@redhat.com" }, "mbox": "https://patchwork.libcamera.org/cover/23947/mbox/", "series": [ { "id": 5324, "url": "https://patchwork.libcamera.org/api/1.1/series/5324/?format=api", "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": "<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 49462C3237\n\tfor <parsemail@patchwork.libcamera.org>;\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 <libcamera-devel@lists.libcamera.org>;\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 <mzamazal@redhat.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Milan Zamazal <mzamazal@redhat.com>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>", "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": "<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": "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(-)" }