From mboxrd@z Thu Jan 1 00:00:00 1970 From: Harry Wentland Subject: RFC for a render API to support adaptive sync and VRR Date: Mon, 9 Apr 2018 15:56:10 -0400 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Language: en-US List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: amd-gfx mailing list , Manasi Navare , Daniel Vetter , =?UTF-8?Q?Nicolai_H=c3=a4hnle?= , =?UTF-8?Q?Michel_D=c3=a4nzer?= , "Deucher, Alexander" , =?UTF-8?Q?Christian_K=c3=b6nig?= PT09IFdoYXQgaXMgYWRhcHRpdmUgc3luYyBhbmQgVlJSPyA9PT0KCkFkYXB0aXZlIHN5bmMgaGFz IGJlZW4gcGFydCBvZiB0aGUgRGlzcGxheVBvcnQgc3BlYyBmb3IgYSB3aGlsZSBub3cgYW5kIGFs bG93cyBncmFwaGljcyBhZGFwdGVycyB0byBkcml2ZSBkaXNwbGF5cyB3aXRoIHZhcnlpbmcgZnJh bWUgdGltaW5ncy4gVlJSICh2YXJpYWJsZSByZWZyZXNoIHJhdGUpIGlzIGVzc2VudGlhbGx5IHRo ZSBzYW1lLCBidXQgZGVmaW5lZCBmb3IgSERNSS4KCgoKPT09IFdoeSBhbGxvdyB2YXJpYWJsZSBm cmFtZSB0aW1pbmdzPyA9PT0KClZhcmlhYmxlIHJlbmRlciB0aW1lcyBkb24ndCBhbGlnbiB3aXRo IGZpeGVkIHJlZnJlc2ggcmF0ZXMsIGxlYWRpbmcgdG8Kc3R1dHRlcmluZywgdGVhcmluZywgYW5k L29yIGlucHV0IGxhZy4KCmUuZy4gKHJjID0gcmVuZGVyIGNvbXBsZXRpb24sIGRyID0gZGlzcGxh eSByZWZyZXNoKQoKcmMgICAgICAgQiAgICAgICAgICBDICAgICAgICAgICAgRCAgICAgICAgICAg IEUgICAgICBGCmRyCUEJQglDCUMJRAlFCUYKCiAgICAgICAgICAgICAgICAgICAgXiAgICAgICAg ICAgICBeICAgICAgICAKCQkgIGZyYW1lICAgICAgICAgbWlzc2VkICAgICAKCQkgcmVwZWF0ZWQJ ZGlzcGxheSAgICAKCQkgIHR3aWNlCSAgICAgICAgcmVmcmVzaCAgIAoKCgo9PT0gT3RoZXIgdXNl IGNhc2VzIG9mIGFkYXB0aXZlIHN5bmMgPT09PQoKQmVzaWRlIHRoZSB2YXJpYWJsZSByZW5kZXIg Y2FzZSwgYWRhcHRpdmUgc3luYyBhbHNvIGFsbG93cyBhZGp1c3RtZW50IG9mIHJlZnJlc2ggcmF0 ZXMgd2l0aG91dCBhIG1vZGUgY2hhbmdlLiBPbmUgc3VjaCB1c2UgY2FzZSB3b3VsZCBiZSAyNCBI eiB2aWRlby4KCgoKPT09IEEgRFJNIHJlbmRlciBBUEkgdG8gc3VwcG9ydCB2YXJpYWJsZSByZWZy ZXNoIHJhdGVzID09PQoKSW4gb3JkZXIgdG8gYmVuZWZpdCBmcm9tIGFkYXB0aXZlIHN5bmMgYW5k IFZSUiB1c2VybGFuZCBuZWVkcyBhIHdheSB0byBsZXQgdXMga25vdyB3aGV0aGVyIHRvIHZhcnkg ZnJhbWUgdGltaW5ncyBvciB0byB0YXJnZXQgYSBkaWZmZXJlbnQgZnJhbWUgdGltZS4gVGhlc2Ug Y2FuIGJlIHByb3ZpZGVkIGFzIGF0b21pYyBwcm9wZXJ0aWVzIG9uIGEgQ1JUQzoKICogYm9vbAl2 YXJpYWJsZV9yZWZyZXNoX2NvbXBhdGlibGUKICogaW50CXRhcmdldF9mcmFtZV9kdXJhdGlvbl9u cyAobmFub3NlY29uZCBmcmFtZSBkdXJhdGlvbikKClRoaXMgZ2l2ZXMgdXMgdGhlIGZvbGxvd2lu ZyBjYXNlczoKCnZhcmlhYmxlX3JlZnJlc2hfY29tcGF0aWJsZSA9IDAsIHRhcmdldF9mcmFtZV9k dXJhdGlvbl9ucyA9IDAKICogZHJpdmUgbW9uaXRvciBhdCB0aW1pbmcncyBub3JtYWwgcmVmcmVz aCByYXRlCgp2YXJpYWJsZV9yZWZyZXNoX2NvbXBhdGlibGUgPSAxLCB0YXJnZXRfZnJhbWVfZHVy YXRpb25fbnMgPSAwCiAqIHNlbmQgbmV3IGZyYW1lIHRvIG1vbml0b3IgYXMgc29vbiBhcyBpdCdz IGF2YWlsYWJsZSwgaWYgd2l0aGluIG1pbi9tYXggb2YgbW9uaXRvcidzIHJlcG9ydGVkIGNhcGFi aWxpdGllcwoKdmFyaWFibGVfcmVmcmVzaF9jb21wYXRpYmxlID0gMC8xLCB0YXJnZXRfZnJhbWVf ZHVyYXRpb25fbnMgPSA+IDAKICogc2VuZCBuZXcgZnJhbWUgdG8gbW9uaXRvciB3aXRoIHRoZSBz cGVjaWZpZWQgdGFyZ2V0X2ZyYW1lX2R1cmF0aW9uX25zCgpXaGVuIGEgdGFyZ2V0X2ZyYW1lX2R1 cmF0aW9uX25zIG9yIHZhcmlhYmxlX3JlZnJlc2hfY29tcGF0aWJsZSBjYW5ub3QgYmUgc3VwcG9y dGVkIHRoZSBhdG9taWMgY2hlY2sgd2lsbCByZWplY3QgdGhlIGNvbW1pdC4KCgoKPT09IFByZXZp b3VzIGRpc2N1c3Npb25zID09PQoKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvYXJjaGl2 ZXMvZHJpLWRldmVsLzIwMTctT2N0b2Jlci8xNTUyMDcuaHRtbAoKCgo9PT0gRmVlZGJhY2sgYW5k IG1vdmluZyBmb3J3YXJkID09PQoKSSdtIGhvcGluZyB0byBnZXQgc29tZSBmZWVkYmFjayBvbiB0 aGlzIG9yIGNvbnRpbnVlIHRoZSBkaXNjdXNzaW9uIG9uIGhvdyBhZGFwdGl2ZSBzeW5jIC8gVlJS IG1pZ2h0IGxvb2sgbGlrZSBpbiB0aGUgRFJNIGVjb3N5c3RlbS4gT25jZSB0aGVyZSBhcmUgbm8g bWFqb3IgY29uY2VybnMgb3Igb2JqZWN0aW9ucyBsZWZ0IHdlJ2xsIHByb2JhYmx5IHN0YXJ0IGNy ZWF0aW5nIHNvbWUgcGF0Y2hlcyB0byBza2V0Y2ggdGhpcyBvdXQgYSBiaXQgYmV0dGVyIGFuZCBz ZWUgaG93IGl0IGxvb2tzIGluIHByYWN0aWNlLgoKCgpDaGVlcnMsCkhhcnJ5Cl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZnggbWFpbGluZyBsaXN0 CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeAo=