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{
    "id": 25027,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/25027/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/25027/",
    "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": "<20251113122450.287633-15-kieran.bingham@ideasonboard.com>",
    "date": "2025-11-13T12:24:49",
    "name": "[v3,14/14] DNI: test: libipa: fixedpoint: Validate extra types",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "df234954bba8747576b0ba786a5e06ca9072944d",
    "submitter": {
        "id": 4,
        "url": "https://patchwork.libcamera.org/api/1.1/people/4/?format=api",
        "name": "Kieran Bingham",
        "email": "kieran.bingham@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/25027/mbox/",
    "series": [
        {
            "id": 5587,
            "url": "https://patchwork.libcamera.org/api/1.1/series/5587/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5587",
            "date": "2025-11-13T12:24:35",
            "name": "libipa: Introduce a Quantized type",
            "version": 3,
            "mbox": "https://patchwork.libcamera.org/series/5587/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/25027/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/25027/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 980C1C3335\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 13 Nov 2025 12:25:13 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 50D9660AC5;\n\tThu, 13 Nov 2025 13:25:13 +0100 (CET)",
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        ],
        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"eq9P/5HJ\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1763036577;\n\tbh=11NGk4twi7/nEJk6qwM5ezpjN7Ria1pq2NmQA/MBX98=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=eq9P/5HJiJpgKyUSRkJKACLUJeLrGCNYPEA8ryhnw44io54LvqyUC82U0ON4JAT12\n\txKUXlA6gkZk+OQQtIWTvYURINDiI3JG7c6h+ba9BZsvu+Vbb13bIMZiHzv6gBP35XU\n\tqJ7e4WEFyHm7BSTn7T+ukDFihNEMhpOHsZOxPeEk=",
        "From": "Kieran Bingham <kieran.bingham@ideasonboard.com>",
        "To": "libcamera devel <libcamera-devel@lists.libcamera.org>",
        "Cc": "Kieran Bingham <kieran.bingham@ideasonboard.com>",
        "Subject": "[PATCH v3 14/14] DNI: test: libipa: fixedpoint: Validate extra types",
        "Date": "Thu, 13 Nov 2025 12:24:49 +0000",
        "Message-ID": "<20251113122450.287633-15-kieran.bingham@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.50.1",
        "In-Reply-To": "<20251113122450.287633-1-kieran.bingham@ideasonboard.com>",
        "References": "<20251113122450.287633-1-kieran.bingham@ideasonboard.com>",
        "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": "Check that the Cproc manual types can be directly served by the new\nfixed point types.\n\nDNI: This patch is just here to validate that my conversions are using\nthe right types and work as the original code did. I don't expect this\none to be merged.\n\nSigned-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\n---\n test/ipa/libipa/fixedpoint.cpp | 68 ++++++++++++++++++++++++++++++++++\n 1 file changed, 68 insertions(+)",
    "diff": "diff --git a/test/ipa/libipa/fixedpoint.cpp b/test/ipa/libipa/fixedpoint.cpp\nindex 7d1aeebc06da..94930d77668d 100644\n--- a/test/ipa/libipa/fixedpoint.cpp\n+++ b/test/ipa/libipa/fixedpoint.cpp\n@@ -252,6 +252,71 @@ protected:\n \t\treturn fails ? TestFail : TestPass;\n \t}\n \n+\tstruct BrightnessTraits {\n+\t\tusing QuantizedType = int8_t;\n+\t\tstatic constexpr QuantizedType fromFloat(float v)\n+\t\t{\n+\t\t\tint quantized = std::lround(v * 128.0f);\n+\t\t\treturn static_cast<int8_t>(std::clamp<int>(quantized, -128, 127));\n+\t\t}\n+\t\tstatic float toFloat(QuantizedType v)\n+\t\t{\n+\t\t\treturn static_cast<float>(v) / 128.0f;\n+\t\t}\n+\t};\n+\n+\tusing BrightnessQOriginal = Quantized<BrightnessTraits>;\n+\n+\tstruct ContrastSaturationTraits {\n+\t\tusing QuantizedType = uint8_t;\n+\t\tstatic constexpr QuantizedType fromFloat(float v)\n+\t\t{\n+\t\t\tint quantized = std::lround(v * 128.0f);\n+\t\t\treturn static_cast<uint8_t>(std::clamp<int>(quantized, 0, 255));\n+\t\t}\n+\t\tstatic float toFloat(QuantizedType v)\n+\t\t{\n+\t\t\treturn static_cast<float>(v) / 128.0f;\n+\t\t}\n+\t};\n+\n+\tusing ContrastQOriginal = Quantized<ContrastSaturationTraits>;\n+\n+\t/* FixedPoint equivalents to validate */\n+\tusing BrightnessQ = Quantized<FixedPointQTraits<1, 7, int8_t>>;\n+\tusing ContrastQ = Quantized<FixedPointQTraits<1, 7, uint8_t>>;\n+\n+\ttemplate<typename T1, typename T2>\n+\tint testTwoIdenticalTypes(float v)\n+\t{\n+\t\tT1 a(v);\n+\t\tT2 b(v);\n+\n+\t\tstd::cout << \"  Checking \" << a.toString()\n+\t\t\t  << \" == \" << b.toString()\n+\t\t\t  << std::endl;\n+\n+\t\t/* 0/false success, 1/true fail */\n+\t\treturn (a.quantized() != b.quantized());\n+\t}\n+\n+\tint testCprocFixedPointConversion()\n+\t{\n+\t\tunsigned int fails = 0;\n+\n+\t\tstd::cout << std::endl\n+\t\t\t  << \"CPROC Fixed-Point Quantizer conversion tests:\"\n+\t\t\t  << std::endl;\n+\n+\t\tfails += testTwoIdenticalTypes<BrightnessQOriginal, BrightnessQ>(BrightnessQ::TraitsType::min);\n+\t\tfails += testTwoIdenticalTypes<BrightnessQOriginal, BrightnessQ>(BrightnessQ::TraitsType::max);\n+\n+\t\tfails += testTwoIdenticalTypes<ContrastQOriginal, ContrastQ>(ContrastQ::TraitsType::min);\n+\t\tfails += testTwoIdenticalTypes<ContrastQOriginal, ContrastQ>(ContrastQ::TraitsType::max);\n+\n+\t\treturn fails ? TestFail : TestPass;\n+\t}\n+\n \tint run()\n \t{\n \t\tunsigned int fails = 0;\n@@ -266,6 +331,9 @@ protected:\n \t\tif (testScaledFixedPointQuantizers() != TestPass)\n \t\t\tfails++;\n \n+\t\tif (testCprocFixedPointConversion() != TestPass)\n+\t\t\tfails++;\n+\n \t\treturn fails ? TestFail : TestPass;\n \t}\n };\n",
    "prefixes": [
        "v3",
        "14/14"
    ]
}