From patchwork Tue Jan 6 17:00:43 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 25661 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id 563D4C3213 for ; Tue, 6 Jan 2026 17:01:17 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id F19A162004; Tue, 6 Jan 2026 18:01:16 +0100 (CET) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="Jixm7b+N"; dkim-atps=neutral Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id DBA3961FB7 for ; Tue, 6 Jan 2026 18:01:12 +0100 (CET) Received: by mail-wr1-x442.google.com with SMTP id ffacd0b85a97d-430f2ee2f00so579008f8f.3 for ; Tue, 06 Jan 2026 09:01:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1767718872; x=1768323672; darn=lists.libcamera.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=nAlpCB4iJopL0Pn768w20N/UlmcrQmnghUNHBy8yJOY=; b=Jixm7b+NPpIz9DA7+kErB9jEU2ezavMvvN1QMAcWF5Nd+UanmMobw0PmDlXfPbJnjL GfHb1HFzLvMQTOefKycCNAaaoELn+2BeGe45SaOLHLNDs45eX12lzt9+xnz6SKgJJVf1 6PgvyvTx42U2elOtc2MBwHy+rpUuNke2f0f8LFb+bhFpFqyc80PKADAq1VtOcSj01+4U tGJhXPwqk5tsOxgRPNfIEBMuPD69U0i4yk0lyJ070Px+cqgDFeSVGkWfKE8ynYPOQoLJ yAYSvn23PRN5jhnw8EAXiL2sBGoZ+qSZjnpIsvBn9jAmZ6wBbsovFxDI9JecCy+BmjHF Svyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767718872; x=1768323672; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=nAlpCB4iJopL0Pn768w20N/UlmcrQmnghUNHBy8yJOY=; b=jGLClE7Sqbreh0DAXsZrIqy+2Bi36W5WtLJLFxpzxtF6Xbx7BxGQvPuo5Dx1rb2jOR HmeuASn+TQjJpuUo6P2RxMVIQlk/cTRR3hYtNfLG7qTd41VLHZJLqgoNByc8zWAw0d0N 90fUz+2LhlQ3vBo8gjwGVBKafwNI2Frvdj4gg2HZHYthVXktY+ULwa6TacKg5L6edYWP GCg1eWVJp4MktWhVgs5zSzBDwCa15ofLqnV52qJkjt8AxpSZMXOfytPKI/DmMUFJmvGa j1Yk7gz4hRX/3kdGLlewyGxQRN6r1VaQ6aj7kbQGxN922pEcHKcdd+RKaf25Gzaxk8u2 ph3g== X-Gm-Message-State: AOJu0Yxwtyx32quyylu2/iszTdrpYbe6ahN34zDFflLW60yJnCN/TlL5 O6Pen+2f5u3w0UXqFWBXgaqy2PAF3a7D5fU4zP8zHrTn5HsQ1gDn1+oKTBFvjVlYPE5Zaxea3JU 0HTcBtEfHLg== X-Gm-Gg: AY/fxX7PK7nDoi8vWvjyIbiDUdu/9CEu0JK5t9l/OAyrw6EoI5MxKkvj9TSCOyYVgg7 SE5zg4mguCwVbRTvEqc19GbWmCC5nHJZxO/a9ONhRK31BMU50mVptqqeKkkrt8neDkDslGhu2vB 0I7PQz2ZtFhI3Uq8Uyp8YcHkZNW6c2JW7L6udNxs0TFCn9E1s4O0PCMorrBGAXxlOAe6rkuuNN/ EJDKzcJwJn4WVHHvgL8FbSP0JInC8ehQfEVDNu6oqk+Sq9/NupaAsMpq2yw8JI+mLHGBu110W91 fOqB8UziDgvnEEq9fyHGr7CqJ7qZvrwdX4ud2vGFa3xrDKF5uRWPQlxI23Z05tFeWkdLiILpewa AoIbmKq9PTRI/Y7StP1ZtE3t7uGF9YrsG7n7zlDx6BdsicYmSmdZgv1ZHa4p4vD99NiFLDaN7gB kEU+9B0cEsaamJwDtKRTQDMfv/4yvPQ/VwzUMyrsXFv+LjTqOdRnZ8CKMdFcUt1cQ2c94= X-Google-Smtp-Source: AGHT+IH1XYy9baiES9UT5C5d2cXk0dpA8cWnmrLNNJXTzi/7Z2GvMxXG5yV7o8l7Zr0HvEYa272V0w== X-Received: by 2002:a05:6000:2c0c:b0:401:5ad1:682 with SMTP id ffacd0b85a97d-432bca29ae0mr4326605f8f.14.1767718872150; Tue, 06 Jan 2026 09:01:12 -0800 (PST) Received: from inspiron14p-linux.ht.home (188-141-3-146.dynamic.upc.ie. [188.141.3.146]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-432bd0dadcfsm5515322f8f.3.2026.01.06.09.01.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jan 2026 09:01:11 -0800 (PST) From: Bryan O'Donoghue To: libcamera-devel@lists.libcamera.org Cc: pavel@ucw.cz, Bryan O'Donoghue , Milan Zamazal , Kieran Bingham Subject: [PATCH v11 08/24] libcamera: shaders: Extend bayer shaders to support swapping R and B on output Date: Tue, 6 Jan 2026 17:00:43 +0000 Message-ID: <20260106170059.56193-9-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260106170059.56193-1-bryan.odonoghue@linaro.org> References: <20260106170059.56193-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" We can easily facilitate swapping R and B on output. Pivot on an environment define for this purpose. Reviewed-by: Milan Zamazal Acked-by: Kieran Bingham Signed-off-by: Bryan O'Donoghue --- src/libcamera/shaders/bayer_1x_packed.frag | 4 ++++ src/libcamera/shaders/bayer_unpacked.frag | 6 +++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/src/libcamera/shaders/bayer_1x_packed.frag b/src/libcamera/shaders/bayer_1x_packed.frag index 171a928c2..db8c2a0b3 100644 --- a/src/libcamera/shaders/bayer_1x_packed.frag +++ b/src/libcamera/shaders/bayer_1x_packed.frag @@ -257,5 +257,9 @@ void main(void) rgb.g = (rin * ccm[1][0]) + (gin * ccm[1][1]) + (bin * ccm[1][2]); rgb.b = (rin * ccm[2][0]) + (gin * ccm[2][1]) + (bin * ccm[2][2]); +#if defined (SWAP_BLUE) + gl_FragColor = vec4(rgb.bgr, 1.0); +#else gl_FragColor = vec4(rgb, 1.0); +#endif } diff --git a/src/libcamera/shaders/bayer_unpacked.frag b/src/libcamera/shaders/bayer_unpacked.frag index c41d72f4f..06d80f3dd 100644 --- a/src/libcamera/shaders/bayer_unpacked.frag +++ b/src/libcamera/shaders/bayer_unpacked.frag @@ -152,5 +152,9 @@ void main(void) { rgb.g = (rin * ccm[1][0]) + (gin * ccm[1][1]) + (bin * ccm[1][2]); rgb.b = (rin * ccm[2][0]) + (gin * ccm[2][1]) + (bin * ccm[2][2]); - gl_FragColor.rgb = rgb; +#if defined (SWAP_BLUE) + gl_FragColor = vec4(rgb.bgr, 1.0); +#else + gl_FragColor = vec4(rgb, 1.0); +#endif }