Show a patch.

GET /api/patches/13252/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 13252,
    "url": "https://patchwork.libcamera.org/api/patches/13252/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/13252/",
    "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": "<20210809092007.79067-2-jeanmichel.hautbois@ideasonboard.com>",
    "date": "2021-08-09T09:20:03",
    "name": "[libcamera-devel,RFC,1/5] ipa: ipu3: Introduce a Context structure",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "05f5b4d8e5aee95774b4a1d052e3d060c0a72f91",
    "submitter": {
        "id": 75,
        "url": "https://patchwork.libcamera.org/api/people/75/?format=api",
        "name": "Jean-Michel Hautbois",
        "email": "jeanmichel.hautbois@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/13252/mbox/",
    "series": [
        {
            "id": 2320,
            "url": "https://patchwork.libcamera.org/api/series/2320/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2320",
            "date": "2021-08-09T09:20:02",
            "name": "IPU3: Introduce modularity for algorithms",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/2320/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/13252/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/13252/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 8A0A8C3241\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon,  9 Aug 2021 09:20:19 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 36DF9687EB;\n\tMon,  9 Aug 2021 11:20:19 +0200 (CEST)",
            "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 1706968823\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon,  9 Aug 2021 11:20:16 +0200 (CEST)",
            "from tatooine.ideasonboard.com (unknown\n\t[IPv6:2a01:e0a:169:7140:14c5:c0eb:b1fb:db22])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id A670049A;\n\tMon,  9 Aug 2021 11:20:15 +0200 (CEST)"
        ],
        "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"J9FGTk16\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1628500815;\n\tbh=hOGLI3q4SOSC3OcV2W2qxHLsax8Do1MNf+KmmiGjdMU=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=J9FGTk169QW78xNWaj7lHnDctkjIYaTPhg55vo9iUI+X8cAtglVFPeA85khvcz199\n\tHV0+TsuQDA1DkssmbA+DSFsYD2RQ2JXTBeUWbz77CZWEUD9cw+CkVOSXYCnozw4zhW\n\t4FvTpkHXBw4JATP3yUNAHhanhxWQjSHtXSw+6fuY=",
        "From": "Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Mon,  9 Aug 2021 11:20:03 +0200",
        "Message-Id": "<20210809092007.79067-2-jeanmichel.hautbois@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.30.2",
        "In-Reply-To": "<20210809092007.79067-1-jeanmichel.hautbois@ideasonboard.com>",
        "References": "<20210809092007.79067-1-jeanmichel.hautbois@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [RFC PATCH 1/5] ipa: ipu3: Introduce a Context\n\tstructure",
        "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": "Passing parameters, statistics and all specific data each algorithm shares.\nAs the ipu3_uapi_params are part of the IPA context referenced by the\nalgorithms, move the structure into the IPAContext directly and adapt existing\nalgorithm implementations.\n\nSigned-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nSigned-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>\n---\n src/ipa/ipu3/ipa_context.h | 30 ++++++++++++++++++++++++++++++\n src/ipa/ipu3/ipu3.cpp      | 16 +++++++++-------\n 2 files changed, 39 insertions(+), 7 deletions(-)\n create mode 100644 src/ipa/ipu3/ipa_context.h",
    "diff": "diff --git a/src/ipa/ipu3/ipa_context.h b/src/ipa/ipu3/ipa_context.h\nnew file mode 100644\nindex 00000000..5d717be5\n--- /dev/null\n+++ b/src/ipa/ipu3/ipa_context.h\n@@ -0,0 +1,30 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2021, Ideas On Board\n+ *\n+ * ipu3_ipa_context.h - IPU3 IPA Context\n+ *\n+ * Context information shared between the algorithms\n+ */\n+#ifndef __LIBCAMERA_IPU3_IPA_CONTEXT_H__\n+#define __LIBCAMERA_IPU3_IPA_CONTEXT_H__\n+\n+#include <linux/intel-ipu3.h>\n+\n+namespace libcamera {\n+\n+namespace ipa::ipu3 {\n+\n+struct IPAContext {\n+\t/* Input statistics from the previous frame */\n+\tconst ipu3_uapi_stats_3a *stats;\n+\n+\t/* Output Parameters which will be written to the hardware */\n+\tipu3_uapi_params params;\n+};\n+\n+} /* namespace ipa::ipu3 */\n+\n+} /* namespace libcamera*/\n+\n+#endif /* __LIBCAMERA_IPU3_IPA_CONTEXT_H__ */\ndiff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp\nindex 71698d36..a714af85 100644\n--- a/src/ipa/ipu3/ipu3.cpp\n+++ b/src/ipa/ipu3/ipu3.cpp\n@@ -22,6 +22,8 @@\n \n #include \"libcamera/internal/framebuffer.h\"\n \n+#include \"ipa_context.h\"\n+\n #include \"ipu3_agc.h\"\n #include \"ipu3_awb.h\"\n #include \"libipa/camera_sensor_helper.h\"\n@@ -81,9 +83,8 @@ private:\n \tstd::unique_ptr<CameraSensorHelper> camHelper_;\n \n \t/* Local parameter storage */\n-\tstruct ipu3_uapi_params params_;\n-\n \tstruct ipu3_uapi_grid_config bdsGrid_;\n+\tstruct IPAContext context_;\n };\n \n int IPAIPU3::init(const IPASettings &settings)\n@@ -94,6 +95,9 @@ int IPAIPU3::init(const IPASettings &settings)\n \t\treturn -ENODEV;\n \t}\n \n+\t/* Reset all the hardware settings */\n+\tcontext_.params = {};\n+\n \treturn 0;\n }\n \n@@ -193,12 +197,10 @@ int IPAIPU3::configure(const IPAConfigInfo &configInfo)\n \n \tdefVBlank_ = itVBlank->second.def().get<int32_t>();\n \n-\tparams_ = {};\n-\n \tcalculateBdsGrid(configInfo.bdsOutputSize);\n \n \tawbAlgo_ = std::make_unique<IPU3Awb>();\n-\tawbAlgo_->initialise(params_, configInfo.bdsOutputSize, bdsGrid_);\n+\tawbAlgo_->initialise(context_.params, configInfo.bdsOutputSize, bdsGrid_);\n \n \tagcAlgo_ = std::make_unique<IPU3Agc>();\n \tagcAlgo_->initialise(bdsGrid_, sensorInfo_);\n@@ -276,9 +278,9 @@ void IPAIPU3::processControls([[maybe_unused]] unsigned int frame,\n void IPAIPU3::fillParams(unsigned int frame, ipu3_uapi_params *params)\n {\n \tif (agcAlgo_->updateControls())\n-\t\tawbAlgo_->updateWbParameters(params_, agcAlgo_->gamma());\n+\t\tawbAlgo_->updateWbParameters(context_.params, agcAlgo_->gamma());\n \n-\t*params = params_;\n+\t*params = context_.params;\n \n \tIPU3Action op;\n \top.op = ActionParamFilled;\n",
    "prefixes": [
        "libcamera-devel",
        "RFC",
        "1/5"
    ]
}