{"id":9567,"url":"https://patchwork.libcamera.org/api/covers/9567/?format=json","web_url":"https://patchwork.libcamera.org/cover/9567/","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":"<20200911085514.30021-1-show.liu@linaro.org>","date":"2020-09-11T08:55:10","name":"[libcamera-devel,v6,0/4] qcam: accelerate format conversion by OpenGL shader","submitter":{"id":24,"url":"https://patchwork.libcamera.org/api/people/24/?format=json","name":"Show Liu","email":"show.liu@linaro.org"},"mbox":"https://patchwork.libcamera.org/cover/9567/mbox/","series":[{"id":1284,"url":"https://patchwork.libcamera.org/api/series/1284/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1284","date":"2020-09-11T08:55:10","name":"qcam: accelerate format conversion by OpenGL shader","version":6,"mbox":"https://patchwork.libcamera.org/series/1284/mbox/"}],"comments":"https://patchwork.libcamera.org/api/covers/9567/comments/","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 E0AA6BDB1D\n\tfor ;\n\tFri, 11 Sep 2020 08:55:38 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6B84462901;\n\tFri, 11 Sep 2020 10:55:38 +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 65CFC62901\n\tfor ;\n\tFri, 11 Sep 2020 10:55:37 +0200 (CEST)","by mail-pj1-x102d.google.com with SMTP id a9so1401572pjg.1\n\tfor ;\n\tFri, 11 Sep 2020 01:55:37 -0700 (PDT)","from localhost.localdomain (211-20-20-223.HINET-IP.hinet.net.\n\t[211.20.20.223]) by smtp.gmail.com with ESMTPSA id\n\tw192sm1616543pfd.156.2020.09.11.01.55.34\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tFri, 11 Sep 2020 01:55:34 -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=\"SKw5NDOE\"; 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\n\tFri, 11 Sep 2020 01:55:35 -0700 (PDT)","From":"Show Liu ","To":"libcamera-devel@lists.libcamera.org","Date":"Fri, 11 Sep 2020 16:55:10 +0800","Message-Id":"<20200911085514.30021-1-show.liu@linaro.org>","X-Mailer":"git-send-email 2.20.1","MIME-Version":"1.0","Subject":"[libcamera-devel] [PATCH v6 0/4] qcam: accelerate format conversion\n\tby OpenGL shader","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Hi Laurent,\n\n This is patch set v6 for qcam accelerated format conversion by OpenGL shader.\n \nThe changes mainly based on your comments on v5, including:\n * New coordinates matrix for vertex and texture mapping \n * Move the NV 3 planes fragment shader into one file, and the YUV420 and YVU420 format \n use the same one.\n * And this version is always renew the fragment shader when set format to avoid\n if the format changed.\n * And of course refine some parts you mentioned.\n\nPlease let me know if I still lose something.\n\nKnown issue:\n * The on/off issue is still there, not fixed yet.\n\nThanks,\nShow \n\nShow Liu (4):\n qcam: add OpenGL shader code as Qt resource\n qcam: new viewfinder hierarchy\n qcam: add viewfinderGL class to accelerate the format convert\n qcam: add additional command line option to select the render type\n\n meson.build | 1 +\n src/qcam/assets/shader/NV_2_planes_UV_f.glsl | 32 ++\n src/qcam/assets/shader/NV_2_planes_VU_f.glsl | 32 ++\n src/qcam/assets/shader/NV_3_planes_f.glsl | 33 ++\n src/qcam/assets/shader/NV_vertex_shader.glsl | 16 +\n src/qcam/assets/shader/shaders.qrc | 9 +\n src/qcam/main.cpp | 3 +\n src/qcam/main_window.cpp | 31 +-\n src/qcam/main_window.h | 3 +\n src/qcam/meson.build | 20 +-\n src/qcam/viewfinder.h | 57 +--\n src/qcam/viewfinder_gl.cpp | 456 ++++++++++++++++++\n src/qcam/viewfinder_gl.h | 96 ++++\n .../{viewfinder.cpp => viewfinder_qt.cpp} | 24 +-\n src/qcam/viewfinder_qt.h | 64 +++\n 15 files changed, 812 insertions(+), 65 deletions(-)\n create mode 100644 src/qcam/assets/shader/NV_2_planes_UV_f.glsl\n create mode 100644 src/qcam/assets/shader/NV_2_planes_VU_f.glsl\n create mode 100644 src/qcam/assets/shader/NV_3_planes_f.glsl\n create mode 100644 src/qcam/assets/shader/NV_vertex_shader.glsl\n create mode 100644 src/qcam/assets/shader/shaders.qrc\n create mode 100644 src/qcam/viewfinder_gl.cpp\n create mode 100644 src/qcam/viewfinder_gl.h\n rename src/qcam/{viewfinder.cpp => viewfinder_qt.cpp} (86%)\n create mode 100644 src/qcam/viewfinder_qt.h"}