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{ "id": 13368, "url": "https://patchwork.libcamera.org/api/1.1/patches/13368/?format=api", "web_url": "https://patchwork.libcamera.org/patch/13368/", "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": "<20210816043138.957984-11-hiroh@chromium.org>", "date": "2021-08-16T04:31:38", "name": "[libcamera-devel,RFC,10/10] libcamera: framebuffer: Add assertion to detect offset is unfilled", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "6b80c00338f7b42ab76422b2322aa7255880e451", "submitter": { "id": 63, "url": "https://patchwork.libcamera.org/api/1.1/people/63/?format=api", "name": "Hirokazu Honda", "email": "hiroh@chromium.org" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/13368/mbox/", "series": [ { "id": 2359, "url": "https://patchwork.libcamera.org/api/1.1/series/2359/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2359", "date": "2021-08-16T04:31:28", "name": "Add offset to FrameBuffer::Plane", "version": 1, "mbox": "https://patchwork.libcamera.org/series/2359/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/13368/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/13368/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 14AEDBD87D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 16 Aug 2021 04:32:06 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id BA984688A2;\n\tMon, 16 Aug 2021 06:32:05 +0200 (CEST)", "from mail-pj1-x102d.google.com (mail-pj1-x102d.google.com\n\t[IPv6:2607:f8b0:4864:20::102d])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id BBCCD68894\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 16 Aug 2021 06:32:03 +0200 (CEST)", "by mail-pj1-x102d.google.com with SMTP id\n\tu13-20020a17090abb0db0290177e1d9b3f7so30424397pjr.1\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSun, 15 Aug 2021 21:32:03 -0700 (PDT)", "from hiroh2.tok.corp.google.com\n\t([2401:fa00:8f:203:6f5f:1479:a6ab:4229])\n\tby smtp.gmail.com with ESMTPSA id\n\tu10sm2767417pgj.48.2021.08.15.21.32.00\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tSun, 15 Aug 2021 21:32:01 -0700 (PDT)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=chromium.org header.i=@chromium.org\n\theader.b=\"n+En1NwB\"; 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\n\tSun, 15 Aug 2021 21:32:02 -0700 (PDT)", "From": "Hirokazu Honda <hiroh@chromium.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Mon, 16 Aug 2021 13:31:38 +0900", "Message-Id": "<20210816043138.957984-11-hiroh@chromium.org>", "X-Mailer": "git-send-email 2.33.0.rc1.237.g0d66db33f3-goog", "In-Reply-To": "<20210816043138.957984-1-hiroh@chromium.org>", "References": "<20210816043138.957984-1-hiroh@chromium.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [RFC PATCH 10/10] libcamera: framebuffer: Add\n\tassertion to detect offset is unfilled", "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": "The offset variable is introduced to FrameBuffer::Plane. In order to\ndetect that the plane is used while the offset is not set, this adds\nthe assertion to FrameBuffer::planes(). It should be removed in the\nfuture.\n\nSigned-off-by: Hirokazu Honda <hiroh@chromium.org>\n---\n include/libcamera/framebuffer.h | 13 +++++++++++--\n 1 file changed, 11 insertions(+), 2 deletions(-)", "diff": "diff --git a/include/libcamera/framebuffer.h b/include/libcamera/framebuffer.h\nindex 5de3c744..79541557 100644\n--- a/include/libcamera/framebuffer.h\n+++ b/include/libcamera/framebuffer.h\n@@ -7,6 +7,8 @@\n #ifndef __LIBCAMERA_FRAMEBUFFER_H__\n #define __LIBCAMERA_FRAMEBUFFER_H__\n \n+#include <assert.h>\n+#include <limits>\n #include <stdint.h>\n #include <vector>\n \n@@ -41,14 +43,21 @@ class FrameBuffer final : public Extensible\n \n public:\n \tstruct Plane {\n+\t\tstatic constexpr unsigned int kInvalidOffset = std::numeric_limits<unsigned int>::max();\n \t\tFileDescriptor fd;\n-\t\tunsigned int offset;\n+\t\tunsigned int offset = kInvalidOffset;\n \t\tunsigned int length;\n \t};\n \n \tFrameBuffer(const std::vector<Plane> &planes, unsigned int cookie = 0);\n \n-\tconst std::vector<Plane> &planes() const { return planes_; }\n+\tconst std::vector<Plane> &planes() const\n+\t{\n+\t\t/* \\todo remove this assert. */\n+\t\tfor (const auto &plane : planes_)\n+\t\t\tassert(plane.offset != Plane::kInvalidOffset);\n+\t\treturn planes_;\n+\t}\n \n \tRequest *request() const;\n \tconst FrameMetadata &metadata() const { return metadata_; }\n", "prefixes": [ "libcamera-devel", "RFC", "10/10" ] }