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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",
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    },
    "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    "state": "superseded",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": {
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        "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>",
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        "In-Reply-To": "<20210816043138.957984-1-hiroh@chromium.org>",
        "References": "<20210816043138.957984-1-hiroh@chromium.org>",
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        "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",
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        "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"
    ]
}