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{
    "id": 25580,
    "url": "https://patchwork.libcamera.org/api/patches/25580/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/25580/",
    "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": "<20251217100138.82525-8-bryan.odonoghue@linaro.org>",
    "date": "2025-12-17T10:01:19",
    "name": "[v9,07/26] libcamera: shaders: Extend bayer shaders to support swapping R and B on output",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "c8fe7f0d90359367374670fccaad26c63fe1bcac",
    "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/25580/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/25580/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/25580/checks/",
    "tags": {},
    "headers": {
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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\tMilan Zamazal <mzamazal@redhat.com>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>",
        "Subject": "[PATCH v9 07/26] libcamera: shaders: Extend bayer shaders to support\n\tswapping R and B on output",
        "Date": "Wed, 17 Dec 2025 10:01:19 +0000",
        "Message-ID": "<20251217100138.82525-8-bryan.odonoghue@linaro.org>",
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        "References": "<20251217100138.82525-1-bryan.odonoghue@linaro.org>",
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        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "We can easily facilitate swapping R and B on output. Pivot on an\nenvironment define for this purpose.\n\nReviewed-by: Milan Zamazal <mzamazal@redhat.com>\nAcked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nSigned-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>\n---\n src/libcamera/shaders/bayer_1x_packed.frag | 4 ++++\n src/libcamera/shaders/bayer_unpacked.frag  | 6 +++++-\n 2 files changed, 9 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/src/libcamera/shaders/bayer_1x_packed.frag b/src/libcamera/shaders/bayer_1x_packed.frag\nindex 171a928c2..db8c2a0b3 100644\n--- a/src/libcamera/shaders/bayer_1x_packed.frag\n+++ b/src/libcamera/shaders/bayer_1x_packed.frag\n@@ -257,5 +257,9 @@ void main(void)\n \trgb.g = (rin * ccm[1][0]) + (gin * ccm[1][1]) + (bin * ccm[1][2]);\n \trgb.b = (rin * ccm[2][0]) + (gin * ccm[2][1]) + (bin * ccm[2][2]);\n \n+#if defined (SWAP_BLUE)\n+\tgl_FragColor = vec4(rgb.bgr, 1.0);\n+#else\n \tgl_FragColor = vec4(rgb, 1.0);\n+#endif\n }\ndiff --git a/src/libcamera/shaders/bayer_unpacked.frag b/src/libcamera/shaders/bayer_unpacked.frag\nindex c41d72f4f..06d80f3dd 100644\n--- a/src/libcamera/shaders/bayer_unpacked.frag\n+++ b/src/libcamera/shaders/bayer_unpacked.frag\n@@ -152,5 +152,9 @@ void main(void) {\n     rgb.g = (rin * ccm[1][0]) + (gin * ccm[1][1]) + (bin * ccm[1][2]);\n     rgb.b = (rin * ccm[2][0]) + (gin * ccm[2][1]) + (bin * ccm[2][2]);\n \n-    gl_FragColor.rgb = rgb;\n+#if defined (SWAP_BLUE)\n+    gl_FragColor = vec4(rgb.bgr, 1.0);\n+#else\n+    gl_FragColor = vec4(rgb, 1.0);\n+#endif\n }\n",
    "prefixes": [
        "v9",
        "07/26"
    ]
}