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{ "id": 17586, "url": "https://patchwork.libcamera.org/api/1.1/patches/17586/?format=api", "web_url": "https://patchwork.libcamera.org/patch/17586/", "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": "<20221011105859.457567-9-paul.elder@ideasonboard.com>", "date": "2022-10-11T10:58:58", "name": "[libcamera-devel,v5,8/9] utils: ipc: Allow the skipHeader attribute on enums", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "8fb82886eb601d8813143948832b879f031c6ebc", "submitter": { "id": 17, "url": "https://patchwork.libcamera.org/api/1.1/people/17/?format=api", "name": "Paul Elder", "email": "paul.elder@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/17586/mbox/", "series": [ { "id": 3551, "url": "https://patchwork.libcamera.org/api/1.1/series/3551/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3551", "date": "2022-10-11T10:58:50", "name": "utils: ipc: Add support for enums and Flags", "version": 5, "mbox": "https://patchwork.libcamera.org/series/3551/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/17586/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/17586/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 614BDC0DA4\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 11 Oct 2022 10:59:30 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 0D73662D8E;\n\tTue, 11 Oct 2022 12:59:30 +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 7D87762D8B\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 11 Oct 2022 12:59:28 +0200 (CEST)", "from pyrite.rasen.tech (h175-177-042-159.catv02.itscom.jp\n\t[175.177.42.159])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 3BD6F907;\n\tTue, 11 Oct 2022 12:59:26 +0200 (CEST)" ], "DKIM-Signature": [ "v=1; 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dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"ffs1ch6u\"; dkim-atps=neutral", "To": "libcamera-devel@lists.libcamera.org", "Date": "Tue, 11 Oct 2022 19:58:58 +0900", "Message-Id": "<20221011105859.457567-9-paul.elder@ideasonboard.com>", "X-Mailer": "git-send-email 2.30.2", "In-Reply-To": "<20221011105859.457567-1-paul.elder@ideasonboard.com>", "References": "<20221011105859.457567-1-paul.elder@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v5 8/9] utils: ipc: Allow the skipHeader\n\tattribute on enums", "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>", "From": "Paul Elder via libcamera-devel <libcamera-devel@lists.libcamera.org>", "Reply-To": "Paul Elder <paul.elder@ideasonboard.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Currently, enums that are passed between pipeline handlers and their IPA\nmust be defined in a mojom file. However, there is a use case for\nenum/flags to be defined in a C++ header, such that the enum can be used\nin a component other than the pipeline handler and its IPA.\n\nTo support this, add support for the skipHeader attribute for enums.\nLike structs, it is only allowed in core.mojom.\n\nSigned-off-by: Paul Elder <paul.elder@ideasonboard.com>\n\n---\nNew in v5\n---\n include/libcamera/ipa/core.mojom | 4 +++-\n include/libcamera/ipa/ipa_interface.h | 4 ++--\n .../generators/libcamera_templates/core_ipa_interface.h.tmpl | 2 +-\n utils/ipc/generators/mojom_libcamera_generator.py | 2 +-\n 4 files changed, 7 insertions(+), 5 deletions(-)", "diff": "diff --git a/include/libcamera/ipa/core.mojom b/include/libcamera/ipa/core.mojom\nindex ef28ff2d..1ff674b0 100644\n--- a/include/libcamera/ipa/core.mojom\n+++ b/include/libcamera/ipa/core.mojom\n@@ -14,7 +14,7 @@ module libcamera;\n * - structs\n *\n * Attributes:\n- * - skipHeader - structs only, and only in core.mojom\n+ * - skipHeader - allowed only for structs and enums in core.mojom\n * - Do not generate a C++ definition for the structure\n * - Any type used in a mojom interface definition must have a corresponding\n * definition in a mojom file for the code generator to accept it, except\n@@ -52,6 +52,8 @@ module libcamera;\n * then the type definition in the core.mojom file should have the\n * [skipHeader] attribute only\n * - A (de)serializer will be generated for the type\n+ * - enums that are defined in a libcamera C++ header also fall in this\n+ * category\n * - If a type definition has [skipHeader], then the header where the type is\n * defined must be included in ipa_interface.h\n * - Types that are solely used as array/map members do not require a mojom\ndiff --git a/include/libcamera/ipa/ipa_interface.h b/include/libcamera/ipa/ipa_interface.h\nindex 8afcfe21..8884f0ed 100644\n--- a/include/libcamera/ipa/ipa_interface.h\n+++ b/include/libcamera/ipa/ipa_interface.h\n@@ -23,8 +23,8 @@\n namespace libcamera {\n \n /*\n- * Structs that are defined in core.mojom and have the skipHeader tag must be\n- * #included here.\n+ * Structs and enums that are defined in core.mojom that have the skipHeader\n+ * tag must be #included here.\n */\n \n class IPAInterface\ndiff --git a/utils/ipc/generators/libcamera_templates/core_ipa_interface.h.tmpl b/utils/ipc/generators/libcamera_templates/core_ipa_interface.h.tmpl\nindex a565b59a..c60b99b8 100644\n--- a/utils/ipc/generators/libcamera_templates/core_ipa_interface.h.tmpl\n+++ b/utils/ipc/generators/libcamera_templates/core_ipa_interface.h.tmpl\n@@ -26,7 +26,7 @@ namespace libcamera {\n static const {{const.kind|name}} {{const.mojom_name}} = {{const.value}};\n {% endfor %}\n \n-{% for enum in enums %}\n+{% for enum in enums_gen_header %}\n {{funcs.define_enum(enum)}}\n {% endfor %}\n \ndiff --git a/utils/ipc/generators/mojom_libcamera_generator.py b/utils/ipc/generators/mojom_libcamera_generator.py\nindex 6c176aba..64987ccd 100644\n--- a/utils/ipc/generators/mojom_libcamera_generator.py\n+++ b/utils/ipc/generators/mojom_libcamera_generator.py\n@@ -483,7 +483,7 @@ class Generator(generator.Generator):\n def _GetJinjaExportsForCore(self):\n return {\n 'consts': self.module.constants,\n- 'enums': self.module.enums,\n+ 'enums_gen_header': [x for x in self.module.enums if x.attributes is None or 'skipHeader' not in x.attributes],\n 'has_array': len([x for x in self.module.kinds.keys() if x[0] == 'a']) > 0,\n 'has_map': len([x for x in self.module.kinds.keys() if x[0] == 'm']) > 0,\n 'structs_gen_header': [x for x in self.module.structs if x.attributes is None or 'skipHeader' not in x.attributes],\n", "prefixes": [ "libcamera-devel", "v5", "8/9" ] }