{"id":22893,"url":"https://patchwork.libcamera.org/api/1.1/patches/22893/?format=json","web_url":"https://patchwork.libcamera.org/patch/22893/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20250227105733.187611-11-keke.li@amlogic.com>","date":"2025-02-27T10:57:32","name":"[v3,10/11] ipa: c3-isp: Add Post Gamma Algorithm","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"f76552cf1e87a5080fab85f809df16e7a644d345","submitter":{"id":217,"url":"https://patchwork.libcamera.org/api/1.1/people/217/?format=json","name":"Keke Li","email":"keke.li@amlogic.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/22893/mbox/","series":[{"id":5027,"url":"https://patchwork.libcamera.org/api/1.1/series/5027/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5027","date":"2025-02-27T10:57:22","name":"Add Amlogic C3 ISP pipeline handler and IPA","version":3,"mbox":"https://patchwork.libcamera.org/series/5027/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/22893/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/22893/checks/","tags":{},"headers":{"Return-Path":"","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 A7C67BF415\n\tfor ;\n\tThu, 27 Feb 2025 11:00:14 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 418E168757;\n\tThu, 27 Feb 2025 12:00:14 +0100 (CET)","from mail-sh.amlogic.com (unknown [58.32.228.46])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 259BC60322\n\tfor ;\n\tThu, 27 Feb 2025 12:00:13 +0100 (CET)","from droid10.amlogic.com (10.18.11.213) by mail-sh.amlogic.com\n\t(10.18.11.5) with Microsoft SMTP Server id 15.1.2507.39;\n\tThu, 27 Feb 2025 19:00:11 +0800"],"From":"Keke Li ","To":"","CC":", , \n\t, Keke Li ","Subject":"[PATCH v3 10/11] ipa: c3-isp: Add Post Gamma Algorithm","Date":"Thu, 27 Feb 2025 18:57:32 +0800","Message-ID":"<20250227105733.187611-11-keke.li@amlogic.com>","X-Mailer":"git-send-email 2.29.0","In-Reply-To":"<20250227105733.187611-1-keke.li@amlogic.com>","References":"<20250227105733.187611-1-keke.li@amlogic.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-Originating-IP":"[10.18.11.213]","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Add a new Post Gamma algorithm.\n\nSigned-off-by: Keke Li \n---\n src/ipa/c3-isp/algorithms/meson.build | 1 +\n src/ipa/c3-isp/algorithms/post_gamma.cpp | 65 ++++++++++++++++++++++++\n src/ipa/c3-isp/algorithms/post_gamma.h | 33 ++++++++++++\n 3 files changed, 99 insertions(+)\n create mode 100644 src/ipa/c3-isp/algorithms/post_gamma.cpp\n create mode 100644 src/ipa/c3-isp/algorithms/post_gamma.h","diff":"diff --git a/src/ipa/c3-isp/algorithms/meson.build b/src/ipa/c3-isp/algorithms/meson.build\nindex 5e7e56db..57600f12 100644\n--- a/src/ipa/c3-isp/algorithms/meson.build\n+++ b/src/ipa/c3-isp/algorithms/meson.build\n@@ -6,4 +6,5 @@ c3isp_ipa_algorithms = files([\n 'blc.cpp',\n 'ccm.cpp',\n 'csc.cpp',\n+ 'post_gamma.cpp',\n ])\ndiff --git a/src/ipa/c3-isp/algorithms/post_gamma.cpp b/src/ipa/c3-isp/algorithms/post_gamma.cpp\nnew file mode 100644\nindex 00000000..f8c1a1da\n--- /dev/null\n+++ b/src/ipa/c3-isp/algorithms/post_gamma.cpp\n@@ -0,0 +1,65 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2024, Amlogic\n+ *\n+ * C3ISP Post Gamma control\n+ */\n+\n+#include \"post_gamma.h\"\n+\n+#include \n+\n+/**\n+ * \\file post_gamma.h\n+ */\n+\n+namespace libcamera {\n+\n+namespace ipa::c3isp::algorithms {\n+\n+/**\n+ * \\class PostGamma\n+ * \\brief A post gamma algorithm\n+ */\n+\n+LOG_DEFINE_CATEGORY(C3ISPPostGamma)\n+\n+PostGamma::PostGamma()\n+{\n+}\n+\n+/**\n+ * \\copydoc libcamera::ipa::Algorithm::init\n+ */\n+int PostGamma::init([[maybe_unused]] IPAContext &context, const YamlObject &tuningData)\n+{\n+\tgammaLut_ = tuningData[\"gammaLut\"].getList().value_or(std::vector{});\n+\tif (gammaLut_.size() != 129) {\n+\t\tLOG(C3ISPPostGamma, Error) << \"Invalid gamma Look-up table size\";\n+\t\treturn -EINVAL;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+/**\n+ * \\copydoc libcamera::ipa::Algorithm::prepare\n+ */\n+void PostGamma::prepare([[maybe_unused]] IPAContext &context,\n+\t\t\t[[maybe_unused]] const uint32_t frame,\n+\t\t\t[[maybe_unused]] IPAFrameContext &frameContext,\n+\t\t\tC3ISPParams *params)\n+{\n+\tauto PostGammaCfg = params->block();\n+\tPostGammaCfg.setEnabled(C3_ISP_PARAMS_BLOCK_FL_ENABLE);\n+\n+\tfor (unsigned int i = 0; i < 129; i++) {\n+\t\tPostGammaCfg->lut[i] = gammaLut_[i];\n+\t}\n+}\n+\n+REGISTER_IPA_ALGORITHM(PostGamma, \"PostGamma\")\n+\n+} /* namespace ipa::c3isp::algorithms */\n+\n+} /* namespace libcamera */\ndiff --git a/src/ipa/c3-isp/algorithms/post_gamma.h b/src/ipa/c3-isp/algorithms/post_gamma.h\nnew file mode 100644\nindex 00000000..44d8f9db\n--- /dev/null\n+++ b/src/ipa/c3-isp/algorithms/post_gamma.h\n@@ -0,0 +1,33 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2024, Amlogic\n+ *\n+ * C3ISP Post Gamma control\n+ */\n+\n+#pragma once\n+\n+#include \"algorithm.h\"\n+\n+namespace libcamera {\n+\n+namespace ipa::c3isp::algorithms {\n+\n+class PostGamma : public Algorithm\n+{\n+public:\n+\tPostGamma();\n+\t~PostGamma() = default;\n+\n+\tint init(IPAContext &context, const YamlObject &tuningData) override;\n+\tvoid prepare(IPAContext &context, const uint32_t frame,\n+\t\t IPAFrameContext &frameContext,\n+\t\t C3ISPParams *params) override;\n+\n+private:\n+\tstd::vector gammaLut_;\n+};\n+\n+} /* namespace ipa::c3isp::algorithms */\n+\n+} /* namespace libcamera */\n","prefixes":["v3","10/11"]}