Show a patch.

GET /api/1.1/patches/25541/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 25541,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/25541/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/25541/",
    "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": "<20251212002937.3118-27-bryan.odonoghue@linaro.org>",
    "date": "2025-12-12T00:29:37",
    "name": "[v8,26/26] libcamera: software_isp: Add a gpuisp todo list",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "1998141120dcac70f0a004954d2c924282e6fcd9",
    "submitter": {
        "id": 175,
        "url": "https://patchwork.libcamera.org/api/1.1/people/175/?format=api",
        "name": "Bryan O'Donoghue",
        "email": "bryan.odonoghue@linaro.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/25541/mbox/",
    "series": [
        {
            "id": 5657,
            "url": "https://patchwork.libcamera.org/api/1.1/series/5657/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5657",
            "date": "2025-12-12T00:29:11",
            "name": "Add GLES 2.0 GPUISP to libcamera",
            "version": 8,
            "mbox": "https://patchwork.libcamera.org/series/5657/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/25541/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/25541/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 397DEBD1F1\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 12 Dec 2025 00:34:46 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id E1D716191A;\n\tFri, 12 Dec 2025 01:34:45 +0100 (CET)",
            "from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com\n\t[IPv6:2607:f8b0:4864:20::1033])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id B53906191A\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 12 Dec 2025 01:34:43 +0100 (CET)",
            "by mail-pj1-x1033.google.com with SMTP id\n\t98e67ed59e1d1-340c39ee02dso566198a91.1\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 11 Dec 2025 16:34:43 -0800 (PST)",
            "from inspiron14p-linux (p99250-ipoefx.ipoe.ocn.ne.jp.\n\t[153.246.134.249]) by smtp.gmail.com with ESMTPSA id\n\t41be03b00d2f7-c0c26eb0f6bsm3317282a12.14.2025.12.11.16.34.39\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 11 Dec 2025 16:34:41 -0800 (PST)"
        ],
        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (2048-bit key;\n\tunprotected) header.d=linaro.org header.i=@linaro.org\n\theader.b=\"rrF9xmyR\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=linaro.org; s=google; t=1765499682; x=1766104482;\n\tdarn=lists.libcamera.org; \n\th=content-transfer-encoding:mime-version:references:in-reply-to\n\t:message-id:date:subject:cc:to:from:from:to:cc:subject:date\n\t:message-id:reply-to;\n\tbh=Hi3XytMpe+nkrlzIOzSyi4eb7BfcFLWPKSiPZLNjUc0=;\n\tb=rrF9xmyRJpaYTojCjkrFlHUfRn3unJh3NRbZNe8CB6p90eIXmsJaqe808ayfip7aTY\n\tgFzlBRC3QMgwq5mqjwRKQ0vuZn8du96xFTlmpCpKmmaS2jTGIBtdeEoQlgqczmMgZOQm\n\tflwr5tAIW7sC6WEuLJl8QcuI27ouTzA8vaKFpMek/VTY+Mn0NSgoUTocHZGNy/TYxEse\n\tgy+Zu/IygsAyAcq/J4OyhkTXkspfFdZHj9243XilIng+mpPvEaltdEGe7eA02X1rBR2T\n\tkcqSGP0f4qmPEUGMCue+/0FApqu2gmpwXPy8nhrBFC7917m1tT0dKRt1xTBwMhEY/TSq\n\t9//g==",
        "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20230601; t=1765499682; x=1766104482;\n\th=content-transfer-encoding:mime-version:references:in-reply-to\n\t:message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n\t:to:cc:subject:date:message-id:reply-to;\n\tbh=Hi3XytMpe+nkrlzIOzSyi4eb7BfcFLWPKSiPZLNjUc0=;\n\tb=e1+O7WIAxaTRcGLP/FqlDIyuf6kP+/Ey8f4z512I2kkVCs4rxrlWtvFHLOB5Qb0wzu\n\tmwa1Jv21ErQJJFUs1Ad7mKbNHxPlmgc8v9A1uArZ2Pr8jaUDtw2788XvWVBZc7ueiQjX\n\tePNGRLdiRMrCgRoAivwf/DK1HQUIiZgvTwVj2iM1g9Xiicx48L0IPpx1g7cTjzPz68YM\n\tm3KnwspIdfP8gpK586LVKX4dmY1bOQZfKA8xe5qUg1ABC5LMfPdjdeEIBJRRhJEckEVC\n\tpWC6B5aHXH59UlDRhv0xQgaFd3YHfi1esvuu+kFREkyxuBhvKbZo+ZBqTQj4cUmSEeQE\n\tBiRQ==",
        "X-Gm-Message-State": "AOJu0YxVBc4WjtSCwL7oFbe3F5g/VMSgFJLilqBFgH/hb2/bJy0Zewk3\n\tfoNFgUEBj2eKk7ZcINqptvagqBTM8/r4iZXquPGjPJVmKYgMOLHFZuwL7o0PEVz3horDEu+zmDV\n\tQS7nf",
        "X-Gm-Gg": "AY/fxX5yJ09PfOUe3VYl9pDolGpRSHuz2zp6fbn4GVYWmYeUL/VSA3O3plujLSuNCSg\n\ta+0iPlOagtxFWdo4ERQwXfmXhyHwfDrIaywOGPfuD/0zNAky/Rci/0p9YfaMwPDTe6dhVk2N6rO\n\tymKmRRdL65mRrY21Rse9L5RQTx4i3qP9GqJJlv5cOgWVrCpZYwZ6faunNoB0ypwyaCwcjyoer7y\n\tkA5uGLjZBkJT73DJhvNm21zwJAQkwt5+G0UcEu9ohf4t5GhK6bxEhUW+W2x9KsRS6lDoDCzdWbs\n\t/RwqtgGOYU0oB2/OAWwX5pYL2v+9Wk4AjgV8Zb1us37WpHKQnLWRLdRVuuxiiJfCNjoodl693B5\n\teglgSN9mZ5sZbORkXg4kLCoYOrCD3WwB0NcuYmedEvxhcuQpShRUoQOMl3XX8UVhR/qIwn6sDxh\n\tbS1TOiQ7H9/MXz6O+WilgWCyLmEKTK+CFI7D5bnz//N7QRlQnAMtWUVSaaXYw=",
        "X-Google-Smtp-Source": "AGHT+IGp0lu5ISEAIWN0lq8iVQjVh7wDvdDBaoqv92xa7bFpjT9aDHNfUMOimWHheYdBeUAT04s5Kw==",
        "X-Received": "by 2002:a17:90b:53c3:b0:34a:a16e:9fa8 with SMTP id\n\t98e67ed59e1d1-34abd799168mr401688a91.33.1765499682022; \n\tThu, 11 Dec 2025 16:34:42 -0800 (PST)",
        "From": "Bryan O'Donoghue <bryan.odonoghue@linaro.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "pavel@ucw.cz, Bryan O'Donoghue <bryan.odonoghue@linaro.org>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>",
        "Subject": "[PATCH v8 26/26] libcamera: software_isp: Add a gpuisp todo list",
        "Date": "Fri, 12 Dec 2025 00:29:37 +0000",
        "Message-ID": "<20251212002937.3118-27-bryan.odonoghue@linaro.org>",
        "X-Mailer": "git-send-email 2.52.0",
        "In-Reply-To": "<20251212002937.3118-1-bryan.odonoghue@linaro.org>",
        "References": "<20251212002937.3118-1-bryan.odonoghue@linaro.org>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "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": "List the series of things to do in GPU ISP in perceived order of\ndifficulty.\n\nAcked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nSigned-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>\n---\n src/libcamera/software_isp/gpuisp-todo.txt | 40 ++++++++++++++++++++++\n 1 file changed, 40 insertions(+)\n create mode 100644 src/libcamera/software_isp/gpuisp-todo.txt",
    "diff": "diff --git a/src/libcamera/software_isp/gpuisp-todo.txt b/src/libcamera/software_isp/gpuisp-todo.txt\nnew file mode 100644\nindex 000000000..e32d7dcf8\n--- /dev/null\n+++ b/src/libcamera/software_isp/gpuisp-todo.txt\n@@ -0,0 +1,40 @@\n+List the TODOs in perceived order of ease.\n+\n+\n+Denoising:\n+\t- WIP\n+\n+Dead pixel correction:\n+\t- WIP\n+\n+Lense shading correction:\n+\t- WIP\n+\n+Use dma-buf handle to generate upload texture:\n+\t- eglCreateImageKHR can be used to generate the upload texture i.e.\n+\t  to feed the bayer data into the GPU.\n+\n+processFrame() to run in its own thread:\n+\t- processFrame() runs in the context of the Debayer::process()\n+\t  thread. Robert Mader suggested and it seems like a good\n+\t  suggestion too to run processFrame() in its own thread.\n+\n+Multi-pass shaders:\n+\t- This needs some rewiring the idea is to have a list\n+\t  of algorithms as is done in cpuisp iterating through the\n+\t  list in a for() loop.\n+\t- The logic managing the loop has an initial input buffer\n+\t  and the final output buffer.\n+\t- The higher level logic must then inform each of the\n+\t  algorithms either to generate an internal working buffer\n+\t  or pass the final output buffer to the last shader\n+\t  in the list\n+\t- This will allow for multi-pass shaders with the final\n+\t  algorithm presenting data not to its internal buffer\n+\t  but to the final output buffer\n+\n+24 bit output support:\n+\t- Need to impelment compute shader to do this.\n+\n+Lense flare correction:\n+\t- Not WIP still TBD\n",
    "prefixes": [
        "v8",
        "26/26"
    ]
}