From patchwork Mon Aug 10 20:19:56 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Milan Zamazal X-Patchwork-Id: 27747 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 EDBC2BDE17 for ; Mon, 10 Aug 2026 20:20:56 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 9FEC06820A; Mon, 10 Aug 2026 22:20:56 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="fy2gdSTA"; dkim-atps=neutral Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 2DB4A68212 for ; Mon, 10 Aug 2026 22:20:54 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1786393253; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=1unqOcMunQAEpY57bbx6jMXQ8RuAPYRQc8FstICfeFA=; b=fy2gdSTAZGoCXiIxj3nCTOobNU7MPPmBUbB1E7+A+ULXRIkVnJ/ADgAKfSfedmlKWjoX5U Qt0cMWWMt2fcMKQl7xtV/Aq4j3SlI+Vg+itFTcxX4oLtbMZ/ZM6plsld3A3RjaQO2a1Vwk tBwJdoqp68QkUMjfdOFLkD4Ud0Ak+Xg= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-202-sdRTgafyPgykZT-jZve6Pw-1; Mon, 10 Aug 2026 16:20:49 -0400 X-MC-Unique: sdRTgafyPgykZT-jZve6Pw-1 X-Mimecast-MFC-AGG-ID: sdRTgafyPgykZT-jZve6Pw_1786393248 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 88EA6195608F; Mon, 10 Aug 2026 20:20:48 +0000 (UTC) Received: from mzamazal-thinkpadp1gen7.redhat.corp (headnet04.pony-001.prod.iad2.dc.redhat.com [10.2.32.116]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 7E15519560AB; Mon, 10 Aug 2026 20:20:46 +0000 (UTC) From: Milan Zamazal To: libcamera-devel@lists.libcamera.org Cc: Milan Zamazal , Bryan O'Donoghue , Hans de Goede , Laurent Pinchart , Robert Mader , =?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= Subject: [PATCH v13 6/7] libcamera: software_isp: Prepare texture methods for LSC data Date: Mon, 10 Aug 2026 22:19:56 +0200 Message-ID: <20260810201957.19623-7-mzamazal@redhat.com> In-Reply-To: <20260810201957.19623-1-mzamazal@redhat.com> References: <20260810201957.19623-1-mzamazal@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 4bVxYuV5b5KtsC9v4x52wsxQ_Rlwv38Rik8H13IDCAU_1786393248 X-Mimecast-Originator: redhat.com content-type: text/plain; charset="US-ASCII"; x-default=true 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" Lens shading correction data is represented by textures. Let's adjust the signatures of eGL texture handling methods: - Generalise createTexture2D for different formats. - Add `const' to `data' argument to be able to accept std::array data. Signed-off-by: Milan Zamazal --- include/libcamera/internal/egl.h | 8 ++++++-- src/libcamera/egl.cpp | 14 ++++++++++---- src/libcamera/software_isp/debayer_egl.cpp | 6 +++++- 3 files changed, 21 insertions(+), 7 deletions(-) diff --git a/include/libcamera/internal/egl.h b/include/libcamera/internal/egl.h index 790ec4b22..b80d65877 100644 --- a/include/libcamera/internal/egl.h +++ b/include/libcamera/internal/egl.h @@ -107,8 +107,12 @@ public: int createInputDMABufTexture2D(eGLImage &eglImage, int fd); int createOutputDMABufTexture2D(eGLImage &eglImage, int fd); - void createTexture2D(eGLImage &eglImage, void *data, GLint filter); - void updateTexture2D(eGLImage &eglImage, void *data); + void createTexture2D(eGLImage &eglImage, + GLint internalFormat, + GLenum type, + const void *data, + GLint filter); + void updateTexture2D(eGLImage &eglImage, const void *data); void createOutputTexture2D(eGLImage &eglImage); int attachTextureToFBO(eGLImage &eglImage); diff --git a/src/libcamera/egl.cpp b/src/libcamera/egl.cpp index 32e7e0e9c..cbae3a664 100644 --- a/src/libcamera/egl.cpp +++ b/src/libcamera/egl.cpp @@ -277,6 +277,8 @@ int eGL::createOutputDMABufTexture2D(eGLImage &eglImage, int fd) /** * \brief Create a 2D texture from a memory buffer * \param[in,out] eglImage EGL image to associate with the texture + * \param[in] internalFormat OpenGL internal storage format (e.g., GL_RGB8, GL_RGBA8) + * \param[in] type OpenGL pixel data type (e.g., GL_UNSIGNED_BYTE, GL_FLOAT) * \param[in] data Pointer to pixel data, or nullptr for uninitialised texture * \param[in] filter GL texture filter setting * @@ -285,14 +287,18 @@ int eGL::createOutputDMABufTexture2D(eGLImage &eglImage, int fd) * is useful for uploading static data like lookup tables or uniform color * matrices to the GPU. */ -void eGL::createTexture2D(eGLImage &eglImage, void *data, GLint filter) +void eGL::createTexture2D(eGLImage &eglImage, + GLint internalFormat, + GLenum type, + const void *data, + GLint filter) { ASSERT(tid_ == Thread::currentId()); activateBindTexture(eglImage); // Generate texture, bind, associate image to texture, configure, unbind - glTexImage2D(GL_TEXTURE_2D, 0, eglImage.format_, eglImage.width_, eglImage.height_, 0, eglImage.format_, GL_UNSIGNED_BYTE, data); + glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, eglImage.width_, eglImage.height_, 0, eglImage.format_, type, data); // Nearest filtering glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter); @@ -338,7 +344,7 @@ EGLDisplay eGL::probeDisplay() * * Updates a 2D texture in VRAM. */ -void eGL::updateTexture2D(eGLImage &eglImage, void *data) +void eGL::updateTexture2D(eGLImage &eglImage, const void *data) { ASSERT(tid_ == Thread::currentId()); @@ -357,7 +363,7 @@ void eGL::updateTexture2D(eGLImage &eglImage, void *data) */ void eGL::createOutputTexture2D(eGLImage &eglImage) { - createTexture2D(eglImage, NULL, GL_NEAREST); + createTexture2D(eglImage, eglImage.format_, GL_UNSIGNED_BYTE, NULL, GL_NEAREST); attachTextureToFBO(eglImage); } diff --git a/src/libcamera/software_isp/debayer_egl.cpp b/src/libcamera/software_isp/debayer_egl.cpp index e03fef684..5227d2bbd 100644 --- a/src/libcamera/software_isp/debayer_egl.cpp +++ b/src/libcamera/software_isp/debayer_egl.cpp @@ -536,7 +536,11 @@ eGLImage *DebayerEGL::getCachedInputFrameBuffer(FrameBuffer *input, std::optiona return nullptr; } if (cache_miss) - egl_.createTexture2D(*eglImageIn, inMapped->value().planes()[0].data(), GL_NEAREST); + egl_.createTexture2D(*eglImageIn, + eglImageIn->format_, + GL_UNSIGNED_BYTE, + inMapped->value().planes()[0].data(), + GL_NEAREST); else egl_.updateTexture2D(*eglImageIn, inMapped->value().planes()[0].data());