{"id":26951,"url":"https://patchwork.libcamera.org/api/1.1/patches/26951/?format=json","web_url":"https://patchwork.libcamera.org/patch/26951/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/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":"<20260618122245.946138-20-bryan.odonoghue@linaro.org>","date":"2026-06-18T12:22:32","name":"[19/30] libcamera: software_isp: egl: Add Ping/Pong buffers with start/stop bindings only","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"6b497ff28230418ed681b530593e42f6e19f6682","submitter":{"id":175,"url":"https://patchwork.libcamera.org/api/1.1/people/175/?format=json","name":"Bryan O'Donoghue","email":"bryan.odonoghue@linaro.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/26951/mbox/","series":[{"id":6005,"url":"https://patchwork.libcamera.org/api/1.1/series/6005/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=6005","date":"2026-06-18T12:22:13","name":"RFC/RFT: gpuisp: Multipass with speed optimisations on top","version":1,"mbox":"https://patchwork.libcamera.org/series/6005/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/26951/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/26951/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 C3A33C3316\n\tfor ;\n\tThu, 18 Jun 2026 12:23:30 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 29689656D4;\n\tThu, 18 Jun 2026 14:23:30 +0200 (CEST)","from mail-wm1-x330.google.com (mail-wm1-x330.google.com\n\t[IPv6:2a00:1450:4864:20::330])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id BD98E629A8\n\tfor ;\n\tThu, 18 Jun 2026 14:23:12 +0200 (CEST)","by mail-wm1-x330.google.com with SMTP id\n\t5b1f17b1804b1-4905529b933so7824735e9.0\n\tfor ;\n\tThu, 18 Jun 2026 05:23:12 -0700 (PDT)","from inspiron14p-linux ([109.76.144.236])\n\tby smtp.gmail.com with ESMTPSA id\n\t5b1f17b1804b1-4922fa3a4easm275198015e9.3.2026.06.18.05.23.11\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 18 Jun 2026 05:23:11 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tThu, 18 Jun 2026 05:23:12 -0700 (PDT)","From":"Bryan O'Donoghue ","To":"libcamera-devel@lists.libcamera.org","Cc":"bryan.odonoghue@linaro.org,\n\tpavel@ucw.cz","Subject":"[PATCH 19/30] libcamera: software_isp: egl: Add Ping/Pong buffers\n\twith start/stop bindings only","Date":"Thu, 18 Jun 2026 13:22:32 +0100","Message-ID":"<20260618122245.946138-20-bryan.odonoghue@linaro.org>","X-Mailer":"git-send-email 2.54.0","In-Reply-To":"<20260618122245.946138-1-bryan.odonoghue@linaro.org>","References":"<20260618122245.946138-1-bryan.odonoghue@linaro.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","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","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Add in the Ping/Pong texture buffers, don't bind them to anything yet.\n\nSigned-off-by: Bryan O'Donoghue \n---\n src/libcamera/software_isp/software_isp_pipeline_gpu.cpp | 6 ++++++\n src/libcamera/software_isp/software_isp_pipeline_gpu.h | 1 +\n 2 files changed, 7 insertions(+)","diff":"diff --git a/src/libcamera/software_isp/software_isp_pipeline_gpu.cpp b/src/libcamera/software_isp/software_isp_pipeline_gpu.cpp\nindex 458b65854..18a8ae17a 100644\n--- a/src/libcamera/software_isp/software_isp_pipeline_gpu.cpp\n+++ b/src/libcamera/software_isp/software_isp_pipeline_gpu.cpp\n@@ -335,6 +335,10 @@ int SoftwareIspPipelineGpu::start()\n \t/* Raw bayer input as texture */\n \teglImageBayerIn_ = std::make_unique(gpuIspShaderPassDemosiac_.glFormat_, inputConfig_.stride / gpuIspShaderPassDemosiac_.getBytesPerPixel(), height_, inputConfig_.stride, GL_TEXTURE0, 0);\n \n+\t/* Intermediary ping/pong textures */\n+\teglImagePingPong_[0] = std::make_unique(gpuIspShaderPassDemosiac_.glFormat_, outputSize_.width, outputSize_.height, outputConfig_.stride, GL_TEXTURE1, 1);\n+\teglImagePingPong_[1] = std::make_unique(gpuIspShaderPassDemosiac_.glFormat_, outputSize_.width, outputSize_.height, outputConfig_.stride, GL_TEXTURE2, 2);\n+\n \t/* Texture we will render to */\n \teglImageRGBAOut_ = std::make_unique(GL_RGBA, outputSize_.width, outputSize_.height, outputConfig_.stride, GL_TEXTURE3, 3);\n \n@@ -344,6 +348,8 @@ int SoftwareIspPipelineGpu::start()\n void SoftwareIspPipelineGpu::stop()\n {\n \teglImageRGBAOut_.reset();\n+\teglImagePingPong_[1].reset();\n+\teglImagePingPong_[0].reset();\n \teglImageBayerIn_.reset();\n \n \tgpuIspShaderPassDemosiac_.stop();\ndiff --git a/src/libcamera/software_isp/software_isp_pipeline_gpu.h b/src/libcamera/software_isp/software_isp_pipeline_gpu.h\nindex 1b77bc71d..fcd622492 100644\n--- a/src/libcamera/software_isp/software_isp_pipeline_gpu.h\n+++ b/src/libcamera/software_isp/software_isp_pipeline_gpu.h\n@@ -65,6 +65,7 @@ private:\n \n \t/* Pointer to object representing input texture */\n \tstd::unique_ptr eglImageBayerIn_;\n+\tstd::unique_ptr eglImagePingPong_[2];\n \tstd::unique_ptr eglImageRGBAOut_;\n \n \tstd::unique_ptr stats_;\n","prefixes":["19/30"]}