From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: Update front buffer without CPU interaction? Date: Sun, 22 Feb 2015 12:52:42 +0100 Message-ID: <20150222115242.GQ24485@phenom.ffwll.local> References: <54E1E5DB.7050303@digitalendoscopy.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wg0-f54.google.com (mail-wg0-f54.google.com [74.125.82.54]) by gabe.freedesktop.org (Postfix) with ESMTP id 3D0186E0F6 for ; Sun, 22 Feb 2015 03:51:06 -0800 (PST) Received: by mail-wg0-f54.google.com with SMTP id y19so20679532wgg.13 for ; Sun, 22 Feb 2015 03:51:05 -0800 (PST) Content-Disposition: inline In-Reply-To: <54E1E5DB.7050303@digitalendoscopy.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Volker Vogelhuber Cc: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gTW9uLCBGZWIgMTYsIDIwMTUgYXQgMDE6NDM6MDdQTSArMDEwMCwgVm9sa2VyIFZvZ2VsaHVi ZXIgd3JvdGU6Cj4gSSdtIGN1cnJlbnRseSB0cnlpbmcgdG8gc2V0dXAgYSByZW5kZXJpbmcgcGlw ZSBvbiBhbiBJbnRlbCBCYXl0cmFpbCBFMzg0NQo+IGNwdS4KPiBJbiBvdXIgcHJvZHVjdCB3ZSB3 YW50IHRvIGhhdmUgYW4gRlBHQSBzdHJlYW1pbmcgdmlkZW8gaW1hZ2VzIHRvIGEKPiBwcmVkZWZp bmVkIG1lbW9yeSBhcmVhIHVzaW5nIGJ1cyBtYXN0ZXIgZG1hIGFuZCByZW5kZXIgdGhvc2UgaW1h Z2VzIHVzaW5nCj4gT3BlbkdMLiBTbyBmYXIgdGhpcyB3b3JrcyBpbiBhIHByZWxpbWluYXJ5IHN0 YXRlLgo+IFdlIG5vdyBoYXZlIHRoZSBzZWN1cml0eSByZXF1aXJlbWVudCB0aGF0IGluIGNhc2Ug dGhlIENQVSAoc29mdHdhcmUva2VybmVsCj4gZHJpdmVyKSBjcmFzaGVzIGZvciB3aGF0IGV2ZXIg cmVhc29uLCB0aGUgR1BVIGRpc3BsYXkgc2lnbmFsIHNob3VsZCBzdGlsbAo+IG91dHB1dCBhdCBs ZWFzdCB0aGUgdmlkZW8gaW1hZ2VzIChvYnZpb3VzbHkgYW55IGFkZGl0aW9uYWwgcmVuZGVyIHN0 dWZmIHdpbGwKPiBub3QgYmUgYXZhaWxhYmxlIGFueW1vcmUpLiBNeSBxdWVzdGlvbiBpcyBub3cs IHdvdWxkIGl0IGJlIHBvc3NpYmxlIHRvIGdldAo+IHRoZSBwaHlzaWNhbCBhZGRyZXNzIG9mIHRo ZSBEUk0gZnJvbnQgYnVmZmVyLCBzbyB0aGF0IEkgY2FuIHByb3ZpZGUgdGhpcwo+IGFkZHJlc3Mg dG8gdGhlIEZQR0EgKGNvbm5lY3RlZCB2aWEgUENJZSkgYW5kIGlzIGl0IHBvc3NpYmxlIHRvIGhh dmUgdGhlIEdQVQo+IHN0aWxsIHJlYWRpbmcgdGhlIGxhc3QgZnJvbnQgYnVmZmVyIGZvciB0aGUg ZGlzcGxheSBvdXRwdXQgd2hpbGUgdGhlIEZQR0EKPiB3cml0ZXMgdG8gdGhhdCBhcmVhLiBTbyBJ IHdvdWxkIHRoaW5rIHRoYXQgdGhlIEdQVSBoYXMgc29tZSBraW5kIG9mIERNQQo+IGVuZ2luZSBy dW5uaW5nLCB0aGF0IGNvbnRpbnVvdXNseSByZWFkaW5nIHRoZSBsYXN0IGZyb250IGJ1ZmZlciB1 bnRpbAo+IHN3aXRjaGVkIHRvIGFub3RoZXIgYnVmZmVyIGJ5IHRoZSBDUFUuIFNvIGV2ZW4gaWYg dGhlIENQVSBkb2VzIG5vdCBjb250cm9sCj4gdGhlIEdQVSBhbnltb3JlLCBpdCBtaWdodCBiZSBw b3NzaWJsZSB0byBoYXZlIHRoZSBmcm9udCBidWZmZXIgdXBkYXRlZCBieQo+IHRoZSBGUEdBIGRp cmVjdGx5LiBPZiBjb3Vyc2UgdGhlcmUgd2lsbCBiZSB0ZWFyaW5nIGFydGVmYWN0cyBhcyBubyBW U1lOQwo+IHdpbGwgYmUgYXZhaWxhYmxlIGJ1dCB0aGF0IHdvdWxkbid0IGJlIGFuIGlzc3VlIHNv IGZhci4KCkp1c3Qgc2hhcmUgYnVmZmVycyBiZXR3ZWVuIHlvdXIgZnBnYSBkcml2ZXIgYW5kIHRo ZSBpOTE1IGRyaXZlciB1c2luZwpwcmltZS9kbWEtYnVmIGFuZCBiZWZvcmUgZWFjaCBwYWdlZmxp cCB0ZWxsIHlvdXIgZnBnYSBkcml2ZXIgdG8gcmVuZGVyCmludG8gdGhlIG5ldyBidWZmZXIuIFdl IGRvbid0IGhhdmUgYW55IGludGVyZmFjZXMgdG8gdGVsbCB1c2Vyc3BhY2UKcGh5c2ljYWwgYWRk cmVzc2VzIG9mIGFueXRoaW5nLCBhbmQgdGhhdCdzIGZhaXJseSBpbnRlbnRpb25hbCAtIHRoZSBr ZXJuZWwKaXMgYW5kIG11c3QgYmUgaW4gY29udHJvbCBvZiBtZW1vcnkgbWFuYWdlbWVudC4KLURh bmllbAotLSAKRGFuaWVsIFZldHRlcgpTb2Z0d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRp b24KKzQxICgwKSA3OSAzNjUgNTcgNDggLSBodHRwOi8vYmxvZy5mZndsbC5jaApfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBs aXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=