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{ "id": 9636, "url": "https://patchwork.libcamera.org/api/1.1/covers/9636/?format=api", "web_url": "https://patchwork.libcamera.org/cover/9636/", "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": "<20200916145254.1644-1-laurent.pinchart@ideasonboard.com>", "date": "2020-09-16T14:52:47", "name": "[libcamera-devel,0/7] qcam: Accelerate packed YUV rendering with OpenGL", "submitter": { "id": 2, "url": "https://patchwork.libcamera.org/api/1.1/people/2/?format=api", "name": "Laurent Pinchart", "email": "laurent.pinchart@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/9636/mbox/", "series": [ { "id": 1293, "url": "https://patchwork.libcamera.org/api/1.1/series/1293/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1293", "date": "2020-09-16T14:52:47", "name": "qcam: Accelerate packed YUV rendering with OpenGL", "version": 1, "mbox": "https://patchwork.libcamera.org/series/1293/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/9636/comments/", "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 C51BEC3B5B\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 16 Sep 2020 14:53:44 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 3DBC862E75;\n\tWed, 16 Sep 2020 16:53:44 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 6F96F60533\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 16 Sep 2020 16:53:42 +0200 (CEST)", "from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id D048726B;\n\tWed, 16 Sep 2020 16:53:27 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"vFjOt3S1\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1600268009;\n\tbh=yEgsAs3AzirGL9og+s70y83IpSqif5unamp7nXIbx4g=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=vFjOt3S1fSuNLLAfs8Pm6H4upCHH7PBqt5FLscTq8h2Hy2O+nZpE3tCB2Vx2g0SOt\n\tZNXJ1aVoMqx4CR8iyLlnpOQGyOgA9cAdQgS44hUTOnr7crnZRHJ/Rrud6yyXaRHYkG\n\tpH3B+4363H9QRBuJrBc0ankid9Db5j/KnXbjYGAA=", "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Wed, 16 Sep 2020 17:52:47 +0300", "Message-Id": "<20200916145254.1644-1-laurent.pinchart@ideasonboard.com>", "X-Mailer": "git-send-email 2.27.0", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [PATCH 0/7] qcam: Accelerate packed YUV rendering\n\twith OpenGL", "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>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Hello,\n\nThis patch series adds a shader to convert packed YUV formats to RGB. It\nhas been developed as I reviewed Show's OpenGL support work, to help me\nunderstand the OpenGL and GLSL code.\n\nThe series starts with a few cleanups in patches 1/7 to 3/7. It then\nrenames shader files in 4/7 to prepare for packed YUV support, and adds\nsupport for preprocessor macros in the shaders in 5/7. Patch 6/7 uses\nmacros to select the YUV pattern in the semi-planar fragment shader,\ninstead of duplicating the shader code. Finally, patch 7/7 adds a\nfragment shader for YUYV.\n\nLaurent Pinchart (7):\n qcam: Remove unneeded './' file prefix in *.qrc\n qcam: viewfinder_gl: Don't store texture IDs in class members\n qcam: viewfinder_gl: Hardcode the vertex shader file name\n qcam: viewfinder_gl: Rename shader files\n qcam: viewfinder_gl: Support #define in shaders\n qcam: viewfinder_gl: Merge the semi-planar UV and VU shaders\n qcam: viewfinder_gl: Add shader to render packed YUV formats\n\n src/qcam/assets/feathericons/feathericons.qrc | 12 +-\n src/qcam/assets/shader/NV_2_planes_VU_f.glsl | 32 ----\n .../{NV_vertex_shader.glsl => YUV.vert} | 2 +-\n ...V_2_planes_UV_f.glsl => YUV_2_planes.frag} | 9 +-\n .../{NV_3_planes_f.glsl => YUV_3_planes.frag} | 2 +-\n src/qcam/assets/shader/YUV_packed.frag | 82 +++++++++++\n src/qcam/assets/shader/shaders.qrc | 8 +-\n src/qcam/viewfinder_gl.cpp | 137 +++++++++++++-----\n src/qcam/viewfinder_gl.h | 18 +--\n 9 files changed, 212 insertions(+), 90 deletions(-)\n delete mode 100644 src/qcam/assets/shader/NV_2_planes_VU_f.glsl\n rename src/qcam/assets/shader/{NV_vertex_shader.glsl => YUV.vert} (79%)\n rename src/qcam/assets/shader/{NV_2_planes_UV_f.glsl => YUV_2_planes.frag} (68%)\n rename src/qcam/assets/shader/{NV_3_planes_f.glsl => YUV_3_planes.frag} (90%)\n create mode 100644 src/qcam/assets/shader/YUV_packed.frag" }