{"id":11390,"url":"https://patchwork.libcamera.org/api/patches/11390/?format=json","web_url":"https://patchwork.libcamera.org/patch/11390/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/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":"<20210225183626.28288-4-andrey.konovalov@linaro.org>","date":"2021-02-25T18:36:24","name":"[libcamera-devel,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qcam: viewfinder_gl: RAW10P: handle the padding bytes properly","commit_ref":null,"pull_url":null,"state":"superseded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=json","name":"Andrey Konovalov","email":"andrey.konovalov@linaro.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/11390/mbox/","series":[{"id":1730,"url":"https://patchwork.libcamera.org/api/series/1730/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1730","date":"2021-02-25T18:36:21","name":"qcam: viewfinder_gl: add RAW8, RAW10P and RAW12P formats","version":1,"mbox":"https://patchwork.libcamera.org/series/1730/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/11390/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/11390/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 8B99CBD1F1\n\tfor ;\n\tThu, 25 Feb 2021 18:37:06 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 5630C68A64;\n\tThu, 25 Feb 2021 19:37:06 +0100 (CET)","from mail-lj1-x230.google.com (mail-lj1-x230.google.com\n\t[IPv6:2a00:1450:4864:20::230])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A849F68A59\n\tfor ;\n\tThu, 25 Feb 2021 19:37:05 +0100 (CET)","by mail-lj1-x230.google.com with SMTP id q23so7630775lji.8\n\tfor ;\n\tThu, 25 Feb 2021 10:37:05 -0800 (PST)","from localhost.localdomain ([85.249.43.69])\n\tby smtp.googlemail.com with ESMTPSA id\n\tx1sm1136772ljh.62.2021.02.25.10.37.03\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 25 Feb 2021 10:37:04 -0800 (PST)"],"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=\"hzigwtkI\"; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"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 \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(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","3/5"]}