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{ "id": 12450, "url": "https://patchwork.libcamera.org/api/patches/12450/?format=api", "web_url": "https://patchwork.libcamera.org/patch/12450/", "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": "<20210527105511.447089-4-andrey.konovalov@linaro.org>", "date": "2021-05-27T10:55:09", "name": "[libcamera-devel,v2,3/5] qcam: viewfinder_gl: RAW10P: handle the padding bytes properly", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "2a058bd182259bef32218f6c2248972e01400ab5", "submitter": { "id": 25, "url": "https://patchwork.libcamera.org/api/people/25/?format=api", "name": "Andrey Konovalov", "email": "andrey.konovalov@linaro.org" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/12450/mbox/", "series": [ { "id": 2086, "url": "https://patchwork.libcamera.org/api/series/2086/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2086", "date": "2021-05-27T10:55:06", "name": "qcam: viewfinder_gl: add RAW8, RAW10P and RAW12P formats", "version": 2, "mbox": "https://patchwork.libcamera.org/series/2086/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/12450/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/12450/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 C9249C3203\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 27 May 2021 10:55:32 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 0447568930;\n\tThu, 27 May 2021 12:55:32 +0200 (CEST)", "from mail-lj1-x231.google.com (mail-lj1-x231.google.com\n\t[IPv6:2a00:1450:4864:20::231])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 7F83768923\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 27 May 2021 12:55:28 +0200 (CEST)", "by mail-lj1-x231.google.com with SMTP id o8so268822ljp.0\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 27 May 2021 03:55:28 -0700 (PDT)", "from localhost.localdomain ([85.249.41.56])\n\tby smtp.googlemail.com with ESMTPSA id\n\th23sm170148lfc.52.2021.05.27.03.55.26\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 27 May 2021 03:55:26 -0700 (PDT)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=linaro.org header.i=@linaro.org\n\theader.b=\"r83vRxX1\"; 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\n\tThu, 27 May 2021 03:55:27 -0700 (PDT)", "From": "Andrey Konovalov <andrey.konovalov@linaro.org>", "To": "libcamera-devel@lists.libcamera.org,\n\tlaurent.pinchart@ideasonboard.com", "Date": "Thu, 27 May 2021 13:55:09 +0300", "Message-Id": "<20210527105511.447089-4-andrey.konovalov@linaro.org>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20210527105511.447089-1-andrey.konovalov@linaro.org>", "References": "<20210527105511.447089-1-andrey.konovalov@linaro.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v2 3/5] qcam: viewfinder_gl: RAW10P:\n\thandle the padding bytes properly", "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>", "Cc": "morgan@casual-effects.com", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "The texture size must account for the padding bytes which may be present\nat the end of the lines in the frame.\n\nSigned-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>\n---\n src/qcam/viewfinder_gl.cpp | 11 +++++++----\n src/qcam/viewfinder_gl.h | 1 +\n 2 files changed, 8 insertions(+), 4 deletions(-)", "diff": "diff --git a/src/qcam/viewfinder_gl.cpp b/src/qcam/viewfinder_gl.cpp\nindex b324d77f..9db536a6 100644\n--- a/src/qcam/viewfinder_gl.cpp\n+++ b/src/qcam/viewfinder_gl.cpp\n@@ -111,6 +111,10 @@ void ViewFinderGL::render(libcamera::FrameBuffer *buffer, MappedBuffer *map)\n \t\trenderComplete(buffer_);\n \n \tdata_ = static_cast<unsigned char *>(map->memory);\n+\t/*\n+\t * \\todo Get the stride from the buffer instead of computing it naively\n+\t */\n+\tstride_ = buffer->metadata().planes[0].bytesused / size_.height();\n \tupdate();\n \tbuffer_ = buffer;\n }\n@@ -594,14 +598,13 @@ void ViewFinderGL::doRender()\n \t\t/*\n \t\t * Packed raw Bayer 10-bit formats are stored in GL_RED texture.\n \t\t * The texture width is 10/8 of the image width.\n-\t\t * TODO: account for padding bytes at the end of the line.\n \t\t */\n \t\tglActiveTexture(GL_TEXTURE0);\n \t\tconfigureTexture(*textures_[0]);\n \t\tglTexImage2D(GL_TEXTURE_2D,\n \t\t\t 0,\n \t\t\t GL_RED,\n-\t\t\t size_.width() * 5 / 4,\n+\t\t\t stride_,\n \t\t\t size_.height(),\n \t\t\t 0,\n \t\t\t GL_RED,\n@@ -611,12 +614,12 @@ void ViewFinderGL::doRender()\n \t\tshaderProgram_.setUniformValue(textureUniformBayerFirstRed_,\n \t\t\t\t\t firstRed_);\n \t\tshaderProgram_.setUniformValue(textureUniformSize_,\n-\t\t\t\t\t size_.width() * 5 / 4,\n+\t\t\t\t\t stride_,\n \t\t\t\t\t size_.height(),\n \t\t\t\t\t size_.width(),\n \t\t\t\t\t size_.height());\n \t\tshaderProgram_.setUniformValue(textureUniformStep_,\n-\t\t\t\t\t 1.0f / (size_.width() * 5 / 4 - 1),\n+\t\t\t\t\t 1.0f / (stride_ - 1),\n \t\t\t\t\t 1.0f / (size_.height() - 1));\n \t\tbreak;\n \ndiff --git a/src/qcam/viewfinder_gl.h b/src/qcam/viewfinder_gl.h\nindex 337718e3..49f8364a 100644\n--- a/src/qcam/viewfinder_gl.h\n+++ b/src/qcam/viewfinder_gl.h\n@@ -66,6 +66,7 @@ private:\n \tlibcamera::FrameBuffer *buffer_;\n \tlibcamera::PixelFormat format_;\n \tQSize size_;\n+\tint stride_;\n \tunsigned char *data_;\n \n \t/* Shaders */\n", "prefixes": [ "libcamera-devel", "v2", "3/5" ] }