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{ "id": 24195, "url": "https://patchwork.libcamera.org/api/patches/24195/?format=api", "web_url": "https://patchwork.libcamera.org/patch/24195/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/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": "<20250824-b4-v0-5-2-gpuisp-v2-a-v2-12-96f4576c814e@linaro.org>", "date": "2025-08-24T00:48:24", "name": "[v2,12/37] libcamera: software_isp: Start the ISP thread in configure", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "1578d8bb23a077b2af27ae5277ba772b5d83063c", "submitter": { "id": 175, "url": "https://patchwork.libcamera.org/api/people/175/?format=api", "name": "Bryan O'Donoghue", "email": "bryan.odonoghue@linaro.org" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/24195/mbox/", "series": [ { "id": 5400, "url": "https://patchwork.libcamera.org/api/series/5400/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5400", "date": "2025-08-24T00:48:12", "name": "Add GLES 2.0 GPUISP to libcamera", "version": 2, "mbox": "https://patchwork.libcamera.org/series/5400/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/24195/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/24195/checks/", "tags": {}, "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 3C7C7C32BB\n\tfor <parsemail@patchwork.libcamera.org>;\n\tSun, 24 Aug 2025 00:49:04 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2746E69303;\n\tSun, 24 Aug 2025 02:49:03 +0200 (CEST)", "from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com\n\t[IPv6:2a00:1450:4864:20::32a])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id AE72A692FF\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSun, 24 Aug 2025 02:48:47 +0200 (CEST)", "by mail-wm1-x32a.google.com with SMTP id\n\t5b1f17b1804b1-45a20c51c40so26179695e9.3\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSat, 23 Aug 2025 17:48:47 -0700 (PDT)", "from [192.168.0.13] (188-141-3-146.dynamic.upc.ie. 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\n\tSat, 23 Aug 2025 17:48:47 -0700 (PDT)", "From": "Bryan O'Donoghue <bryan.odonoghue@linaro.org>", "Date": "Sun, 24 Aug 2025 01:48:24 +0100", "Subject": "[PATCH v2 12/37] libcamera: software_isp: Start the ISP thread in\n\tconfigure", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20250824-b4-v0-5-2-gpuisp-v2-a-v2-12-96f4576c814e@linaro.org>", "References": "<20250824-b4-v0-5-2-gpuisp-v2-a-v2-0-96f4576c814e@linaro.org>", "In-Reply-To": "<20250824-b4-v0-5-2-gpuisp-v2-a-v2-0-96f4576c814e@linaro.org>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Bryan O'Donoghue <bryan.odonoghue@linaro.org>", "X-Mailer": "b4 0.14.2", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=1811;\n\ti=bryan.odonoghue@linaro.org; h=from:subject:message-id;\n\tbh=TJz2c1i4gj5Q/xRIyCEfIizExQxLMBanHSgh1qaIxXA=;\n\tb=owEBbQKS/ZANAwAKASJxO7Ohjcg6AcsmYgBoqmFeekoGOrHPNkZ23S1I4csSplTg6EZM/0FRj\n\tK8OWRwCG6GJAjMEAAEKAB0WIQTmk/sqq6Nt4Rerb7QicTuzoY3IOgUCaKphXgAKCRAicTuzoY3I\n\tOlr9D/oCpMP0uAlk4rPKyyfK2eU6NEJ/aPMkKwtNSAgZhKdcdr35jlLFcCmLJ4XyR7mxiInPSml\n\tg2qbY/Gfo8OG/hR1JJP/0eYuer+DpaT+lf+a3eIuLdHcHbjhiwJDqjD1u5EIWQ8CR0As8klsews\n\tlsxc2BWdk1zWCG/Fif9ZiMTxtQCr4tEHGbwXsI/u+fLxEwtS9aeekTTe+fkZ5v0bBqNkJay1pvj\n\tJDNHpmw2z54/9Pxd5F8ElH4LWqDAh/kAYW1v27AGnnd83bb9b5Cst/1zbcPmwGzfjwR70HOS6sT\n\t8t5VeVsdkD6HiwxhFMe5sbkBYJLnuidEBtCjgBn95hF3m/M5F+f2t9eE/fJjfw7usyym1mItOfH\n\tek1uSS1WJBCECT0S6yIp+ZfY7mHSHfWyti0J60cgXVlmCPdC1WBxAUwGrxeEQsGdxD7o+GdtJ0d\n\ttmt1EijDeFcQKuCxauuYerDKZhFlILogBXwYOMK1395j6/fh9RkEg9wY6PNH6WuMcDXvQ7PcJ0F\n\tpJ0k4uJ8ujaRRm1lQ7Yb01hpuyGm6rHSBRgKJvAksrLmfQ0yXzi5IwliLfZTh3NePTbx0lDZOeQ\n\tntXzngzcS/0xEmSg4SW3Y+jnkKZkCQKJDYj8SmQSeD2b840qn8t++nPuqy4MsbIMQz09bKV06rB\n\tzDs/c+F7csbI4Og==", "X-Developer-Key": "i=bryan.odonoghue@linaro.org; a=openpgp;\n\tfpr=E693FB2AABA36DE117AB6FB422713BB3A18DC83A", "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": "EGL is not thread-safe and in fact associates invisible handles with the\nthreadid of the calling context.\n\nAs a result we need to make Deabyer::configure() and Debayer::process() in SoftISP execute on\nthe same thread.\n\nWhen we call Debayer::configure() in the egl class this will setup and egl context\nfor us which is associated with the calling thread context. Hence when\nDebayer::process(); runs it must run in the same thread as\nDebayer::configure() or the hidden Gegl context handles will not point\nto the same place.\n\nMove start thread into configure() as a first step towards this.\n\nSigned-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>\n---\n src/libcamera/software_isp/software_isp.cpp | 6 +++---\n 1 file changed, 3 insertions(+), 3 deletions(-)", "diff": "diff --git a/src/libcamera/software_isp/software_isp.cpp b/src/libcamera/software_isp/software_isp.cpp\nindex 28e2a360e7e6d5071e7b97c2bffc60478d245a60..7bee8f0681dd5cedcd81950ed49f611b514e763d 100644\n--- a/src/libcamera/software_isp/software_isp.cpp\n+++ b/src/libcamera/software_isp/software_isp.cpp\n@@ -159,8 +159,6 @@ SoftwareIsp::SoftwareIsp(PipelineHandler *pipe, const CameraSensor *sensor,\n \t\t\t\t\t metadataReady.emit(frame, metadata);\n \t\t\t\t });\n \tipa_->setSensorControls.connect(this, &SoftwareIsp::setSensorCtrls);\n-\n-\tdebayer_->moveToThread(&ispWorkerThread_);\n }\n \n SoftwareIsp::~SoftwareIsp()\n@@ -262,6 +260,9 @@ int SoftwareIsp::configure(const StreamConfiguration &inputCfg,\n \tif (ret < 0)\n \t\treturn ret;\n \n+\tdebayer_->moveToThread(&ispWorkerThread_);\n+\tispWorkerThread_.start();\n+\n \treturn debayer_->configure(inputCfg, outputCfgs, ccmEnabled_);\n }\n \n@@ -343,7 +344,6 @@ int SoftwareIsp::start()\n \tif (ret)\n \t\treturn ret;\n \n-\tispWorkerThread_.start();\n \treturn 0;\n }\n \n", "prefixes": [ "v2", "12/37" ] }