{"id":24675,"url":"https://patchwork.libcamera.org/api/patches/24675/?format=json","web_url":"https://patchwork.libcamera.org/patch/24675/","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":"<20251015012251.17508-31-bryan.odonoghue@linaro.org>","date":"2025-10-15T01:22:42","name":"[v3,30/39] libcamera: shaders: Extend bayer shaders to support swapping R and B on output","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"52de320fc793e81625d308a3eb0c7cf29cf8db59","submitter":{"id":175,"url":"https://patchwork.libcamera.org/api/people/175/?format=json","name":"Bryan O'Donoghue","email":"bryan.odonoghue@linaro.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/24675/mbox/","series":[{"id":5503,"url":"https://patchwork.libcamera.org/api/series/5503/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5503","date":"2025-10-15T01:22:12","name":"Add GLES 2.0 GPUISP to libcamera","version":3,"mbox":"https://patchwork.libcamera.org/series/5503/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/24675/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/24675/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 5B830C3336\n\tfor ;\n\tWed, 15 Oct 2025 01:23:41 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id E6BA460675;\n\tWed, 15 Oct 2025 03:23:40 +0200 (CEST)","from mail-ej1-x62a.google.com (mail-ej1-x62a.google.com\n\t[IPv6:2a00:1450:4864:20::62a])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id DC5A26063E\n\tfor ;\n\tWed, 15 Oct 2025 03:23:25 +0200 (CEST)","by mail-ej1-x62a.google.com with SMTP id\n\ta640c23a62f3a-b456d2dc440so958991066b.0\n\tfor ;\n\tTue, 14 Oct 2025 18:23:25 -0700 (PDT)","from inspiron14p-linux.nxsw.local (188-141-3-146.dynamic.upc.ie.\n\t[188.141.3.146]) by smtp.gmail.com with ESMTPSA id\n\ta640c23a62f3a-b5ccd7b202dsm98348466b.82.2025.10.14.18.23.24\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tTue, 14 Oct 2025 18:23:24 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tTue, 14 Oct 2025 18:23:25 -0700 (PDT)","From":"Bryan O'Donoghue ","To":"libcamera-devel@lists.libcamera.org","Cc":"hdegoede@redhat.com, mzamazal@redhat.com, bryan.odonoghue@linaro.org,\n\tbod.linux@nxsw.ie","Subject":"[PATCH v3 30/39] libcamera: shaders: Extend bayer shaders to support\n\tswapping R and B on output","Date":"Wed, 15 Oct 2025 02:22:42 +0100","Message-ID":"<20251015012251.17508-31-bryan.odonoghue@linaro.org>","X-Mailer":"git-send-email 2.51.0","In-Reply-To":"<20251015012251.17508-1-bryan.odonoghue@linaro.org>","References":"<20251015012251.17508-1-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":"We can easily facilitate swapping R and B on output. Pivot on an\nenvironment define for this purpose.\n\nReviewed-by: Milan Zamazal \nSigned-off-by: Bryan O'Donoghue \n---\n include/libcamera/internal/shaders/bayer_1x_packed.frag | 4 ++++\n include/libcamera/internal/shaders/bayer_unpacked.frag | 6 +++++-\n 2 files changed, 9 insertions(+), 1 deletion(-)","diff":"diff --git a/include/libcamera/internal/shaders/bayer_1x_packed.frag b/include/libcamera/internal/shaders/bayer_1x_packed.frag\nindex 90bd6457..c0632eb1 100644\n--- a/include/libcamera/internal/shaders/bayer_1x_packed.frag\n+++ b/include/libcamera/internal/shaders/bayer_1x_packed.frag\n@@ -268,5 +268,9 @@ void main(void)\n \trgb.b = texture2D(blue_param, vec2(rgb.b, 0.5)).b;\n #endif\n \n+#if defined (SWAP_BLUE)\n+\tgl_FragColor = vec4(rgb.bgr, 1.0);\n+#else\n \tgl_FragColor = vec4(rgb, 1.0);\n+#endif\n }\ndiff --git a/include/libcamera/internal/shaders/bayer_unpacked.frag b/include/libcamera/internal/shaders/bayer_unpacked.frag\nindex 5955c2ea..74ce1509 100644\n--- a/include/libcamera/internal/shaders/bayer_unpacked.frag\n+++ b/include/libcamera/internal/shaders/bayer_unpacked.frag\n@@ -163,5 +163,9 @@ void main(void) {\n \trgb.b = texture2D(red_param, vec2(rgb.b, 0.5)).b;\n #endif\n \n- gl_FragColor.rgb = rgb;\n+#if defined (SWAP_BLUE)\n+\tgl_FragColor = vec4(rgb.bgr, 1.0);\n+#else\n+\tgl_FragColor = vec4(rgb, 1.0);\n+#endif\n }\n","prefixes":["v3","30/39"]}