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{
    "id": 25599,
    "url": "https://patchwork.libcamera.org/api/patches/25599/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/25599/",
    "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": "<20251217100138.82525-27-bryan.odonoghue@linaro.org>",
    "date": "2025-12-17T10:01:38",
    "name": "[v9,26/26] libcamera: software_isp: Add a gpuisp todo list",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "f584a86e37620d24e72c6ff944a774ef3511cf7d",
    "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/25599/mbox/",
    "series": [
        {
            "id": 5669,
            "url": "https://patchwork.libcamera.org/api/series/5669/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5669",
            "date": "2025-12-17T10:01:12",
            "name": "Add GLES 2.0 GPUISP to libcamera",
            "version": 9,
            "mbox": "https://patchwork.libcamera.org/series/5669/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/25599/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/25599/checks/",
    "tags": {},
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        "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 v9 26/26] libcamera: software_isp: Add a gpuisp todo list",
        "Date": "Wed, 17 Dec 2025 10:01:38 +0000",
        "Message-ID": "<20251217100138.82525-27-bryan.odonoghue@linaro.org>",
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    },
    "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..8930da120\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 implement compute shader to do this.\n+\n+Lense flare correction:\n+\t- Not WIP still TBD\n",
    "prefixes": [
        "v9",
        "26/26"
    ]
}