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spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:60836 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ltIEI-0002yN-AE for qemu-devel@archiver.kernel.org; Tue, 15 Jun 2021 19:12:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59996) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ltIDR-0002Al-26 for qemu-devel@nongnu.org; Tue, 15 Jun 2021 19:11:29 -0400 Received: from mga01.intel.com ([192.55.52.88]:16459) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ltIDN-0002Tc-BO for qemu-devel@nongnu.org; Tue, 15 Jun 2021 19:11:28 -0400 IronPort-SDR: q1km3NIbhVuJE4tmKci/dz3c8sQyA9D1H7UUSTJ8faeFEC6kHxWHXcAERNJUBVDFpWKTUKfctC 3c/XnjRbtjsQ== X-IronPort-AV: E=McAfee;i="6200,9189,10016"; a="227568223" X-IronPort-AV: E=Sophos;i="5.83,276,1616482800"; d="scan'208";a="227568223" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2021 16:11:10 -0700 IronPort-SDR: aHkezY/yrYT3VMUo27RJPFGuyU5w3IPzeoqPZYKbjOBgNe39v7IXCDUcV4yErTJngZAbD4Vwdz Eb8HEe5bDseA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,276,1616482800"; d="scan'208";a="484647210" Received: from orsmsx604.amr.corp.intel.com ([10.22.229.17]) by orsmga001.jf.intel.com with ESMTP; 15 Jun 2021 16:11:09 -0700 Received: from orsmsx611.amr.corp.intel.com (10.22.229.24) by ORSMSX604.amr.corp.intel.com (10.22.229.17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.4; Tue, 15 Jun 2021 16:11:09 -0700 Received: from orsmsx611.amr.corp.intel.com (10.22.229.24) by ORSMSX611.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.4; Tue, 15 Jun 2021 16:11:09 -0700 Received: from orsmsx611.amr.corp.intel.com ([10.22.229.24]) by ORSMSX611.amr.corp.intel.com ([10.22.229.24]) with mapi id 15.01.2242.008; Tue, 15 Jun 2021 16:11:08 -0700 From: "Kasireddy, Vivek" To: Gerd Hoffmann Subject: RE: [PATCH v2 2/8] ui/egl: Add egl helpers to help with synchronization Thread-Topic: [PATCH v2 2/8] ui/egl: Add egl helpers to help with synchronization Thread-Index: AQHXXkx/Ksv5L5BLwUCI5tlrR51wk6sVCDyAgACxo5A= Date: Tue, 15 Jun 2021 23:11:08 +0000 Message-ID: References: <20210610224837.670192-1-vivek.kasireddy@intel.com> <20210610224837.670192-3-vivek.kasireddy@intel.com> <20210615053151.ucxtisr5ujlsnv2g@sirius.home.kraxel.org> In-Reply-To: <20210615053151.ucxtisr5ujlsnv2g@sirius.home.kraxel.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.5.1.3 dlp-reaction: no-action x-originating-ip: [10.1.200.100] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Received-SPF: pass client-ip=192.55.52.88; envelope-from=vivek.kasireddy@intel.com; helo=mga01.intel.com X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "qemu-devel@nongnu.org" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi Gerd, =20 > > +void egl_dmabuf_create_fence(QemuDmaBuf *dmabuf) > > +{ > > + if (dmabuf->sync) { > > + dmabuf->fence_fd =3D eglDupNativeFenceFDANDROID(qemu_egl_displ= ay, > > + dmabuf->sync); > > + eglDestroySyncKHR(qemu_egl_display, dmabuf->sync); > > + dmabuf->sync =3D NULL; > > + } > > +} >=20 > > +void egl_dmabuf_wait_sync(QemuDmaBuf *dmabuf) > > +{ >=20 > Hmm, still the blocking wait. Can't you do something like [Kasireddy, Vivek] Right, it is a blocking wait; but this gets called from = a new GTK thread that does the actual drawing.=20 > "qemu_set_fd_handler(dmabuf->fence_fd, ...)" to avoid the > eglClientWaitSyncKHR() completely? [Kasireddy, Vivek] Yeah, I think this is also doable; let me look into it. Thanks, Vivek >=20 > take care, > Gerd