{"id":26877,"url":"https://patchwork.libcamera.org/api/covers/26877/?format=json","web_url":"https://patchwork.libcamera.org/cover/26877/","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":"<20260615-libipa-algorithms-v1-0-e949c937422e@ideasonboard.com>","date":"2026-06-15T14:05:25","name":"[00/11] ipa: libipa: Introduce libipa algorithms","submitter":{"id":143,"url":"https://patchwork.libcamera.org/api/people/143/?format=json","name":"Jacopo Mondi","email":"jacopo.mondi@ideasonboard.com"},"mbox":"https://patchwork.libcamera.org/cover/26877/mbox/","series":[{"id":5992,"url":"https://patchwork.libcamera.org/api/series/5992/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5992","date":"2026-06-15T14:05:25","name":"ipa: libipa: Introduce libipa algorithms","version":1,"mbox":"https://patchwork.libcamera.org/series/5992/mbox/"}],"comments":"https://patchwork.libcamera.org/api/covers/26877/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 0AFEFC324C\n\tfor ;\n\tMon, 15 Jun 2026 14:05:50 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 7CFEF623E4;\n\tMon, 15 Jun 2026 16:05:48 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id F0075623CB\n\tfor ;\n\tMon, 15 Jun 2026 16:05:46 +0200 (CEST)","from [192.168.1.104] (net-93-65-100-155.cust.vodafonedsl.it\n\t[93.65.100.155])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id DEAA5241;\n\tMon, 15 Jun 2026 16:05:13 +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=\"Tm7Khxxf\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1781532314;\n\tbh=cHjv+GLGgbQPhg8VfcfAhjjSFgJFFsggvFgS4dVWgj0=;\n\th=From:Subject:Date:To:Cc:From;\n\tb=Tm7Khxxff6m0729FiwWLDn/wlywEzMxjlLWYBMqriCT/nhu0JVtb4NV/u0/XrmmQH\n\tzZQvA26QRKQCcH8Hr2XO3tw7npO7AL95aF6zrFV2NUCbAUyH2kgney5uu9FHIQaAIB\n\tkpjgtikbBYdTCri5Vyl6EfGAmfTwm9mvNZI8UZHo=","From":"Jacopo Mondi ","Subject":"[PATCH 00/11] ipa: libipa: Introduce libipa algorithms","Date":"Mon, 15 Jun 2026 16:05:25 +0200","Message-Id":"<20260615-libipa-algorithms-v1-0-e949c937422e@ideasonboard.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","X-B4-Tracking":"v=1; b=H4sIAKUGMGoC/x3MQQqAIBBA0avErBNMaKCuEi0mG3XALDQiiO6et\n\tHyL/x8onIULjM0DmS8psqeKrm3ABkqelazVYLRBjV2voixykKLo9yxn2IrqB0RcLGkyDmp3ZHZ\n\ty/89pft8P3zDbm2MAAAA=","X-Change-ID":"20260615-libipa-algorithms-59666bca0a2f","To":"libcamera-devel@lists.libcamera.org","Cc":"Jacopo Mondi , \n\tKieran Bingham ","X-Mailer":"b4 0.14.3","X-Developer-Signature":"v=1; a=openpgp-sha256; l=4431;\n\ti=jacopo.mondi@ideasonboard.com; h=from:subject:message-id;\n\tbh=cHjv+GLGgbQPhg8VfcfAhjjSFgJFFsggvFgS4dVWgj0=;\n\tb=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBqMAa4vlSf9gJTHlR1F1f4MwPXDNnb0sW+iknvK\n\tbJ6Gh3I8D+JAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCajAGuAAKCRByNAaPFqFW\n\tPA7qD/40Zm5j3j4R2ORwZTaKSNHx+fnnK1IRGhP7aWTdVGew2nOxr1JXB5LfRIlVtdbGaCigQNP\n\t1ipo4injNUNc8cEGpINr3B3WFycJX4snAacy8dUcaiGRglHox9iEbduPlN3HbGrrm7rIFW6T50O\n\t6hos3F09USOHY5qcHAW44frYwsLPueHZxqmcZIQi56pBKp9h/h/bC1L3ZcE7ZSn7GiJSL4a5+h3\n\t09UKb/fZAk2z1cExWPryAEPOR0hjqSh4qrFRP22+qvAEJv/UkrP8ZPvYH9rnUOjmSG7EPmQ/GxD\n\t18y4CkQdNayJXZ4I5OjhPPPEobUYjgWRFbEQKcpRBlA0DNhC48rGJS7j4GiXq1inir+vZ9YdmXP\n\tCKz+47/hQ2vNwrj5GxO0S+83E3OesQ3UHFL97g/N/jPJPWzELAnHfpFP2CE1gV5k9wkjXIKSJHI\n\tOP1vXS9wqPuqp95LlCQ9BWbyn6/IbnEZ2tQ+RpYbfokdMxjkoAJYzLep5qVNEgEWiIGk0Ss0JRv\n\tOzFP8PRv8Gl/winIlRZbIZEVaV6vYsE0rB3ADx6Wli16edC5Rl9w7UUfz7oBp2rVw/itI43nemy\n\tqMNSD/mdKq8r7aFWu/dpWT6HgkdoFRT4P4CLoFi6LyoNGjtZaTVLNlnX5I64pW210ZESCAJt39q\n\tW0KDCqCIYirHY1Q==","X-Developer-Key":"i=jacopo.mondi@ideasonboard.com; a=openpgp;\n\tfpr=72392EDC88144A65C701EA9BA5826A2587AD026B","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 series introduces the first algorithms in libipa: Awb, Lsc and Ccm.\n\nAs most of the implementations of the common algorithms derive from\nRkISP1 it wasn't possible to separate the algorithm introduction with\nthe RkISP1 IPA modifications to maintain bisectability.\n\nThis series contains:\n\n- Awb (Grey and Bayes)\n - RkISP1\n - Simple\n - Mali-C55\n\n- Ccm\n - RkISP1\n - Simple\n - Mali-C55\n\n- Lsc (grid and polynomial)\n - RkISP1\n - Mali-C55\n\nTested on RkISP1 with imx219 (Grey world awb and grid-based LSC) and on\nMali-C55 with imx708 (Bayes AWB and grid-based LSC).\n\nMore test on Simple and with polynomial LSC would be helpful :)\n\nSigned-off-by: Jacopo Mondi \n---\nJacopo Mondi (8):\n ipa: libipa: awb: Reimplement AwbAlgorithm\n ipa: mali-c55: awb: Port to use libipa AwbAlgorithm\n ipa: libipa: Add CcmAlgorithm to libipa\n ipa: rkisp1: ccm: Port to use CcmAlgorithm\n ipa: mali-c55: Implement Ccm algorithm\n ipa: libipa: Introduce LscAlgorithm\n ipa: mali-c55: Add sensorInfo to IPAContext\n ipa: mali-c55: Port to use LscAlgorithm\n\nKieran Bingham (3):\n softisp: Split AWB from Combined Matrix\n ipa: simple: awb: Port to use libipa AwbAlgorithm\n ipa: simple: Use libipa CcmAlgorithm\n\n .../internal/software_isp/debayer_params.h | 2 +-\n src/ipa/libipa/awb.cpp | 562 ++++++++++++++++++---\n src/ipa/libipa/awb.h | 123 ++++-\n src/ipa/libipa/awb_bayes.cpp | 40 +-\n src/ipa/libipa/awb_bayes.h | 11 +-\n src/ipa/libipa/awb_grey.cpp | 16 +-\n src/ipa/libipa/awb_grey.h | 5 +-\n src/ipa/libipa/ccm.cpp | 273 ++++++++++\n src/ipa/libipa/ccm.h | 87 ++++\n src/ipa/libipa/lsc.cpp | 322 ++++++++++++\n src/ipa/libipa/lsc.h | 145 ++++++\n src/ipa/libipa/lsc_base.cpp | 152 ++++++\n src/ipa/libipa/lsc_base.h | 59 +++\n src/ipa/libipa/lsc_grid.cpp | 33 ++\n src/ipa/libipa/lsc_grid.h | 113 +++++\n src/ipa/libipa/lsc_polynomial.cpp | 133 ++++-\n src/ipa/libipa/lsc_polynomial.h | 135 +++--\n src/ipa/libipa/meson.build | 7 +\n src/ipa/mali-c55/algorithms/awb.cpp | 198 ++++----\n src/ipa/mali-c55/algorithms/awb.h | 30 +-\n src/ipa/mali-c55/algorithms/ccm.cpp | 175 +++++++\n src/ipa/mali-c55/algorithms/ccm.h | 66 +++\n src/ipa/mali-c55/algorithms/lsc.cpp | 163 +++---\n src/ipa/mali-c55/algorithms/lsc.h | 38 +-\n src/ipa/mali-c55/algorithms/meson.build | 1 +\n src/ipa/mali-c55/ipa_context.cpp | 6 +\n src/ipa/mali-c55/ipa_context.h | 30 +-\n src/ipa/mali-c55/mali-c55.cpp | 29 +-\n src/ipa/rkisp1/algorithms/awb.cpp | 225 ++-------\n src/ipa/rkisp1/algorithms/awb.h | 18 +-\n src/ipa/rkisp1/algorithms/ccm.cpp | 97 +---\n src/ipa/rkisp1/algorithms/ccm.h | 20 +-\n src/ipa/rkisp1/algorithms/lsc.cpp | 424 ++--------------\n src/ipa/rkisp1/algorithms/lsc.h | 45 +-\n src/ipa/rkisp1/ipa_context.h | 48 +-\n src/ipa/simple/algorithms/awb.cpp | 122 +++--\n src/ipa/simple/algorithms/awb.h | 29 ++\n src/ipa/simple/algorithms/ccm.cpp | 69 +--\n src/ipa/simple/algorithms/ccm.h | 23 +-\n src/ipa/simple/ipa_context.h | 20 +-\n src/libcamera/shaders/bayer_1x_packed.frag | 4 +\n src/libcamera/shaders/bayer_unpacked.frag | 4 +\n src/libcamera/software_isp/debayer_cpu.cpp | 2 +-\n src/libcamera/software_isp/debayer_egl.cpp | 5 +\n src/libcamera/software_isp/debayer_egl.h | 3 +\n 45 files changed, 2920 insertions(+), 1192 deletions(-)\n---\nbase-commit: ff5cb4f17b0b9989dd853b4d4320ddb2c59a9c0e\nchange-id: 20260615-libipa-algorithms-59666bca0a2f\n\nBest regards,"}