From mboxrd@z Thu Jan 1 00:00:00 1970 From: Volker Vogelhuber Subject: Re: Update front buffer without CPU interaction? Date: Mon, 23 Feb 2015 09:22:56 +0100 Message-ID: <54EAE360.4040200@digitalendoscopy.de> References: <54E1E5DB.7050303@digitalendoscopy.de> <20150222115242.GQ24485@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mxout51.expurgate.net (mxout51.expurgate.net [91.198.224.51]) by gabe.freedesktop.org (Postfix) with ESMTP id DBD676E3A3 for ; Mon, 23 Feb 2015 00:23:15 -0800 (PST) In-Reply-To: <20150222115242.GQ24485@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Daniel Vetter Cc: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org Ck9uIDIyLjAyLjIwMTUgMTI6NTIsIERhbmllbCBWZXR0ZXIgd3JvdGU6Cj4gT24gTW9uLCBGZWIg MTYsIDIwMTUgYXQgMDE6NDM6MDdQTSArMDEwMCwgVm9sa2VyIFZvZ2VsaHViZXIgd3JvdGU6Cj4+ IEknbSBjdXJyZW50bHkgdHJ5aW5nIHRvIHNldHVwIGEgcmVuZGVyaW5nIHBpcGUgb24gYW4gSW50 ZWwgQmF5dHJhaWwgRTM4NDUKPj4gY3B1Lgo+PiBJbiBvdXIgcHJvZHVjdCB3ZSB3YW50IHRvIGhh dmUgYW4gRlBHQSBzdHJlYW1pbmcgdmlkZW8gaW1hZ2VzIHRvIGEKPj4gcHJlZGVmaW5lZCBtZW1v cnkgYXJlYSB1c2luZyBidXMgbWFzdGVyIGRtYSBhbmQgcmVuZGVyIHRob3NlIGltYWdlcyB1c2lu Zwo+PiBPcGVuR0wuIFNvIGZhciB0aGlzIHdvcmtzIGluIGEgcHJlbGltaW5hcnkgc3RhdGUuCj4+ IFdlIG5vdyBoYXZlIHRoZSBzZWN1cml0eSByZXF1aXJlbWVudCB0aGF0IGluIGNhc2UgdGhlIENQ VSAoc29mdHdhcmUva2VybmVsCj4+IGRyaXZlcikgY3Jhc2hlcyBmb3Igd2hhdCBldmVyIHJlYXNv biwgdGhlIEdQVSBkaXNwbGF5IHNpZ25hbCBzaG91bGQgc3RpbGwKPj4gb3V0cHV0IGF0IGxlYXN0 IHRoZSB2aWRlbyBpbWFnZXMgKG9idmlvdXNseSBhbnkgYWRkaXRpb25hbCByZW5kZXIgc3R1ZmYg d2lsbAo+PiBub3QgYmUgYXZhaWxhYmxlIGFueW1vcmUpLiBNeSBxdWVzdGlvbiBpcyBub3csIHdv dWxkIGl0IGJlIHBvc3NpYmxlIHRvIGdldAo+PiB0aGUgcGh5c2ljYWwgYWRkcmVzcyBvZiB0aGUg RFJNIGZyb250IGJ1ZmZlciwgc28gdGhhdCBJIGNhbiBwcm92aWRlIHRoaXMKPj4gYWRkcmVzcyB0 byB0aGUgRlBHQSAoY29ubmVjdGVkIHZpYSBQQ0llKSBhbmQgaXMgaXQgcG9zc2libGUgdG8gaGF2 ZSB0aGUgR1BVCj4+IHN0aWxsIHJlYWRpbmcgdGhlIGxhc3QgZnJvbnQgYnVmZmVyIGZvciB0aGUg ZGlzcGxheSBvdXRwdXQgd2hpbGUgdGhlIEZQR0EKPj4gd3JpdGVzIHRvIHRoYXQgYXJlYS4gU28g SSB3b3VsZCB0aGluayB0aGF0IHRoZSBHUFUgaGFzIHNvbWUga2luZCBvZiBETUEKPj4gZW5naW5l IHJ1bm5pbmcsIHRoYXQgY29udGludW91c2x5IHJlYWRpbmcgdGhlIGxhc3QgZnJvbnQgYnVmZmVy IHVudGlsCj4+IHN3aXRjaGVkIHRvIGFub3RoZXIgYnVmZmVyIGJ5IHRoZSBDUFUuIFNvIGV2ZW4g aWYgdGhlIENQVSBkb2VzIG5vdCBjb250cm9sCj4+IHRoZSBHUFUgYW55bW9yZSwgaXQgbWlnaHQg YmUgcG9zc2libGUgdG8gaGF2ZSB0aGUgZnJvbnQgYnVmZmVyIHVwZGF0ZWQgYnkKPj4gdGhlIEZQ R0EgZGlyZWN0bHkuIE9mIGNvdXJzZSB0aGVyZSB3aWxsIGJlIHRlYXJpbmcgYXJ0ZWZhY3RzIGFz IG5vIFZTWU5DCj4+IHdpbGwgYmUgYXZhaWxhYmxlIGJ1dCB0aGF0IHdvdWxkbid0IGJlIGFuIGlz c3VlIHNvIGZhci4KPiBKdXN0IHNoYXJlIGJ1ZmZlcnMgYmV0d2VlbiB5b3VyIGZwZ2EgZHJpdmVy IGFuZCB0aGUgaTkxNSBkcml2ZXIgdXNpbmcKPiBwcmltZS9kbWEtYnVmIGFuZCBiZWZvcmUgZWFj aCBwYWdlZmxpcCB0ZWxsIHlvdXIgZnBnYSBkcml2ZXIgdG8gcmVuZGVyCj4gaW50byB0aGUgbmV3 IGJ1ZmZlci4gV2UgZG9uJ3QgaGF2ZSBhbnkgaW50ZXJmYWNlcyB0byB0ZWxsIHVzZXJzcGFjZQo+ IHBoeXNpY2FsIGFkZHJlc3NlcyBvZiBhbnl0aGluZywgYW5kIHRoYXQncyBmYWlybHkgaW50ZW50 aW9uYWwgLSB0aGUga2VybmVsCj4gaXMgYW5kIG11c3QgYmUgaW4gY29udHJvbCBvZiBtZW1vcnkg bWFuYWdlbWVudC4KPiAtRGFuaWVsClRoYW5rcyBmb3IgdGhlIHJlcGx5LiBJIGFscmVhZHkgc3R1 bWJsZWQgYWNyb3NzIHRoZSBQUklNRSB3YXkgdG8gZ2V0IAphY2Nlc3MgdG8gdGhlIGJ1ZmZlciB3 aXRoaW4gdGhlIHNvdXJjZSBjb2RlIGJ1dCBpdCB3YXNuJ3QgdG90YWxseSBjbGVhciAKdG8gbWUs IGhvdyBvbmUgd291bGQgYWNjZXNzIHRoaXMgQVBJLgpJIGd1ZXNzIG9uZSBoYXZlIHRvIGNhbGwg ZHJtUHJpbWVIYW5kbGVUb0ZEIHdpdGggdGhlIC9kZXYvZHJpL2NhcmQwIGZpbGUgCmRlc2NyaXB0 b3IsIGEgZ2VtIGhhbmRsZSAocHJvYmFibHkgcmV0cmlldmVkIHVzaW5nIGdibV9ib19nZXRfaGFu ZGxlKSwgCkRSTV9DTE9FWEVDIGFuZCBzb21lIG91dHB1dCB2YXJpYWJsZS4KVGhlIFByaW1lIGZp bGUgZGVzY3JpcHRvciByZXR1cm5lZCwgc2hvdWxkIGJlIHVzYWJsZSB3aXRoIHRoZSBkbWEtYnVm IApBUEksIHJpZ2h0PyBTbyBJIGNhbiBjYWxsIGRtYV9idWZfZ2V0KHByaW1lX2ZkKSB3aXRoaW4g dGhlIEZQR0EgZHJpdmVyIAphbmQgcGFzcyB0aGUgc2dfdGFibGUgSSBnZXQgZnJvbSBkbWFfYnVm X21hcF9hdHRhY2htZW50IHRvIHRoZSBETUEgCmVuZ2luZSB3aXRoaW4gdGhlIEZQR0EuCkRvZXMg dGhpcyBjb25jZXB0IHdvcmsgaW4gdGhlb3J5PyBPciBkaWQgSSBtaXNzIHNvbWV0aGluZz8KClJl Z2FyZHMsIFZvbGtlcgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRl dmVsCg==