From nobody Sat May 30 17:44:02 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1779324493; cv=none; d=zohomail.com; s=zohoarc; b=CKQorz0y4I+w5SInmZAruQxxqJ0ktX0FQlnsH1FvkllA5PUpU8nsK2zIKrAKpuC8c6YnyQX9nzgIuefoCPNEzoVfLjxM+VmpdxFpR3r6dSqbFP3Wr26p2U5U6WbMDLNsQvY6w1+ftQ0tpcO3ytf6NA5Dm7VEmtKKemUoq+efsEw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1779324493; h=Content-Type:Content-Transfer-Encoding:Date:Date:From:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To:Cc; bh=M7UWqL+xwh4JSwAE4nMNSnGMR7IPcmJWNKX7exKgMMs=; b=ZepbvaM5iKNEIVCatuo9CDSWOSgvEy670RhmqNfEnYp1BUMT0t6hGhA3G9gx3QrPwZjFkbzeJa+T/RcuAbgzix62x5g0YlHKwvbu0cS11S0wxyUME64GvAJu1qfN+Ul9JjBcFRVCMrpAbL832BQiumz94MYV89Kd9tcxWOw9h8I= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1779324493459334.82988135675123; Wed, 20 May 2026 17:48:13 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wPrZu-0007bj-Jy; Wed, 20 May 2026 20:47:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wPrZt-0007bb-Ax for qemu-devel@nongnu.org; Wed, 20 May 2026 20:47:57 -0400 Received: from mgamail.intel.com ([198.175.65.20]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wPrZr-0008Oi-1P for qemu-devel@nongnu.org; Wed, 20 May 2026 20:47:57 -0400 Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 May 2026 17:47:49 -0700 Received: from dongwonk-z390-aorus-ultra.fm.intel.com ([10.105.158.5]) by fmviesa003.fm.intel.com with ESMTP; 20 May 2026 17:47:48 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1779324475; x=1810860475; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=RgbZeK+T0d0MjC474rAEIERQ+Q7bC7vfl+Q7h0f++pc=; b=BkGDzTKT8M/vsX7iKdE2VAcEBgAn8AejlNhwB78Mksn+aU/5BzHK8JdO EmHABEekFXHSfCIqymUeAI6TQ6casPB265IvDaRjMwc/BOwESwkCrpqEU /FGY3KoVFG56ridZw+jqpUViJsLjsebf3HDcE1bC8mGkiUympUaKRHgTo b7SVzro4GyjNZQay8Hy7P271Mv2N8B1Wl2rjPs40xAO1cwLG8wXSovVOJ WwIV/V0Fdz9ByzdEV9jdhpaY2o6FpaEelktEo//RpWAnoi5UVbsE2hRTU lkB2p2BVTv1fqE7/MvC5UQ97/58webt0B1/qx5n4rAwQzvCoKC9DNXd01 Q==; X-CSE-ConnectionGUID: zBdSqfyURh21VzbR50n14g== X-CSE-MsgGUID: 8aMFqnCfRNWOdfwpRHGRLA== X-IronPort-AV: E=McAfee;i="6800,10657,11792"; a="79969213" X-IronPort-AV: E=Sophos;i="6.23,245,1770624000"; d="scan'208";a="79969213" X-CSE-ConnectionGUID: Q8v4/O64Tauduee/FtDApg== X-CSE-MsgGUID: i5GRZ4JATwKMsjS4R+5exQ== X-ExtLoop1: 1 From: dongwon.kim@intel.com To: qemu-devel@nongnu.org Subject: [PATCH] ui/egl: reset framebuffer state when creating new EGL Date: Wed, 20 May 2026 17:42:26 -0700 Message-Id: <20260521004226.1914121-1-dongwon.kim@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=198.175.65.20; envelope-from=dongwon.kim@intel.com; helo=mgamail.intel.com X-Spam_score_int: -47 X-Spam_score: -4.8 X-Spam_bar: ---- X-Spam_report: (-4.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1779324499461154100 From: Dongwon Kim When an old EGL context is destroyed, its associated OpenGL textures=20 and framebuffer resource IDs are already implicitly freed by the=20 driver. However, the cached IDs and geometry attributes stored within=20 the egl_fb structures remain stale and invalid for the new context. Call egl_fb_destroy() on the guest, cursor, and window framebuffers=20 in gd_egl_refresh() to safely clear these stale fields back to zero=20 before they are re-initialized under the new current context. Cc: Marc-Andr=C3=A9 Lureau Cc: Philippe Mathieu-Daud=C3=A9 Cc: Daniel P. Berrang=C3=A9 Signed-off-by: Dongwon Kim --- ui/gtk-egl.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/ui/gtk-egl.c b/ui/gtk-egl.c index 7c5c9b2428..fd14b391ed 100644 --- a/ui/gtk-egl.c +++ b/ui/gtk-egl.c @@ -163,6 +163,12 @@ void gd_egl_refresh(DisplayChangeListener *dcl) surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds); } #ifdef CONFIG_GBM + + /* resetting old ids to 0 for new egl context */ + egl_fb_destroy(&vc->gfx.guest_fb); + egl_fb_destroy(&vc->gfx.cursor_fb); + egl_fb_destroy(&vc->gfx.win_fb); + if (vc->gfx.guest_fb.dmabuf) { egl_dmabuf_release_texture(vc->gfx.guest_fb.dmabuf); gd_egl_scanout_dmabuf(dcl, vc->gfx.guest_fb.dmabuf); --=20 2.43.0