[OpenJDK 2D-Dev] [9] Review Request: 8146042 Offscreen rendering is different from onscreen one

Philip Race philip.race at oracle.com
Fri Sep 9 01:58:44 UTC 2016


Please consider https://bugs.openjdk.java.net/browse/JDK-8039444
and the various bugs that were closed as a duplicate of that bug.
I don't think you can easily show this fix resolves all of these ..

-phil.


On 9/8/16, 5:12 PM, Semyon Sadetsky wrote:
> I have 2 laptops Intel i5, i7. Both working with d3d normally. Some 
> visual defects will be corrected after this fix.
> And I didn't get why d3d is disabled for all Intel without possibility 
> to switch it on?
>
> --Semyon
>
> On 09.09.2016 02:10, Philip Race wrote:
>> The following is just for testing right ? It should not be in this 
>> webrev
>> as part of what you propose to push ..
>> -- 
>> src/java.desktop/windows/native/libawt/java2d/d3d/D3DBadHardware.h
>> Print this page
>>
>> @@ -49,13 +49,10 @@
>>  // all versions must fail ("there's no version of the driver that 
>> passes")
>>  #define NO_VERSION D_VERSION(0xffff, 0xffff, 0xffff, 0xffff)
>>
>>  static const ADAPTER_INFO badHardware[] = {
>>
>> -    // All Intel Chips.
>> -    { 0x8086, ALL_DEVICEIDS, NO_VERSION, OS_ALL },
>> -
>>      // ATI Mobility Radeon X1600, X1400, X1450, X1300, X1350
>>      // Reason: workaround for 6613066, 6687166
>>      // X1300 (four sub ids)
>>      { 0x1002, 0x714A, D_VERSION(6,14,10,6706), OS_WINXP },
>>      { 0x1002, 0x714A, D_VERSION(7,14,10,0567), OS_VISTA },
>>
>> ---
>>
>> -phil.
>>
>> On 9/8/16, 4:06 PM, Semyon Sadetsky wrote:
>>> I have reworked fix to not affect ATI and NVidia.
>>>
>>> http://cr.openjdk.java.net/~ssadetsky/8146042/webrev.05/
>>>
>>> --Semyon
>>>
>>>
>>> On 9/9/2016 12:20 AM, Semyon Sadetsky wrote:
>>>>
>>>>
>>>> On 08.09.2016 22:57, Philip Race wrote:
>>>>>
>>>>> Can you provide something like a rationale for why these 
>>>>> particular values might work ?
>>>>> Otherwise this seems like a fix that can't be reviewed, only tested.
>>>>> So that testing will be important. If you can be sure it passes
>>>>> on ATI, Nvidia, and Intel then we can take it .. otherwise we 
>>>>> should defer this.
>>>> I suppose those fudge factors are obtained experimentally. Not sure 
>>>> that any rationale is possible here.
>>>> The fix simply tested on different hardware. I hope after this fix 
>>>> D3D maybe enabled again for Intel APUs.
>>>> Currently it has been blacklisted in 8039444.
>>>>
>>>> --Semyon
>>>>>
>>>>> IIRC Semyon will need to change the code to bypass the check
>>>>> for Intel hardware. There is no env. variable or system property 
>>>>> to do this.
>>>>>
>>>>> -phil.
>>>>>
>>>>> On 9/8/16, 3:47 AM, Sergey Bylokhov wrote:
>>>>>> On 05.09.16 13:36, Semyon Sadetsky wrote:
>>>>>>> At last I could get NVidia machine (special thanks to Yuri).
>>>>>>>
>>>>>>> The updated fix should improve the situation on NVidia. For that 
>>>>>>> one
>>>>>>> common height/width fudge factor was separated in two different.
>>>>>>>
>>>>>>> http://cr.openjdk.java.net/~ssadetsky/8146042/webrev.04/
>>>>>>
>>>>>> Can you please confirm that the fix and test works if d3d is 
>>>>>> enabled on the intel vk? I recall that d3d was disabled on intel 
>>>>>> so probably to check that we need to force d3d manually.
>>>>>>
>>>>>>> On 3/18/2016 9:12 AM, Semyon Sadetsky wrote:
>>>>>>>> Hi Phil,
>>>>>>>>
>>>>>>>> Sergey wrote it fails on nvidia cards. I could play with fudge 
>>>>>>>> factors
>>>>>>>> values but I don't have nvidia based video to test.
>>>>>>>>
>>>>>>>> --Semyon
>>>>>>>>
>>>>>>>> On 3/17/2016 11:05 PM, Phil Race wrote:
>>>>>>>>> Semyon,
>>>>>>>>>
>>>>>>>>> Any update on this ?
>>>>>>>>> FWIW I used jprt to build your patch as I am having windows build
>>>>>>>>> problems and
>>>>>>>>> it passed on my ATI card.
>>>>>>>>>
>>>>>>>>> -phil.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On 03/01/2016 04:37 PM, Sergey Bylokhov wrote:
>>>>>>>>>> On 15.01.16 9:59, Semyon Sadetsky wrote:
>>>>>>>>>>> Hi Phil & Sergey,
>>>>>>>>>>>
>>>>>>>>>>> I have integrated Intel GPU i5 and cannot test other hardware.
>>>>>>>>>>> On Mac's retina display the screen capture doesn't return exact
>>>>>>>>>>> pixel to
>>>>>>>>>>> pixel image but the scaled one. So Mac platform should be 
>>>>>>>>>>> excluded
>>>>>>>>>>> from
>>>>>>>>>>> testing:
>>>>>>>>>>> http://cr.openjdk.java.net/~ssadetsky/8146042/webrev.01/
>>>>>>>>>>
>>>>>>>>>> I run the latest test(webrev.03) on my nvidia card, and it fails
>>>>>>>>>> after the fix, but pass before =(. I have no ati to check. 
>>>>>>>>>> Also I
>>>>>>>>>> cannot check the fix on intel card, because I cannot enable 
>>>>>>>>>> d3d on it.
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> --Semyon
>>>>>>>>>>>
>>>>>>>>>>> On 1/14/2016 9:23 PM, Phil Race wrote:
>>>>>>>>>>>> This fudge factor was last adjusted in
>>>>>>>>>>>> https://bugs.openjdk.java.net/browse/JDK-6597822
>>>>>>>>>>>> way back before the D3D pipeline was released and the comments
>>>>>>>>>>>> seem to
>>>>>>>>>>>> indicate that
>>>>>>>>>>>> there was a fair amount of testing on different hardware.
>>>>>>>>>>>>
>>>>>>>>>>>> I don't know why this seems to be in un-specified 
>>>>>>>>>>>> hardware-dependent
>>>>>>>>>>>> territory but
>>>>>>>>>>>> it seems quite possible that this could just as easily 
>>>>>>>>>>>> introduce a
>>>>>>>>>>>> different artifact
>>>>>>>>>>>> on some other hardware.
>>>>>>>>>>>>
>>>>>>>>>>>> What exactly are you testing on ? And I think it needs to 
>>>>>>>>>>>> include at
>>>>>>>>>>>> least one Nvidia
>>>>>>>>>>>> and one AMD/ATI card.
>>>>>>>>>>>>
>>>>>>>>>>>> -phil.
>>>>>>>>>>>>
>>>>>>>>>>>> On 1/14/2016 10:09 AM, Semyon Sadetsky wrote:
>>>>>>>>>>>>> Hello,
>>>>>>>>>>>>>
>>>>>>>>>>>>> Please review the fix for jdk9.
>>>>>>>>>>>>>
>>>>>>>>>>>>> bug: https://bugs.openjdk.java.net/browse/JDK-8146042
>>>>>>>>>>>>> webrev: 
>>>>>>>>>>>>> http://cr.openjdk.java.net/~ssadetsky/8146042/webrev.00/
>>>>>>>>>>>>>
>>>>>>>>>>>>> The root cause is incorrect coordinate rounding in D3D 
>>>>>>>>>>>>> renderer. To
>>>>>>>>>>>>> fix the issue one of fudge factors was adjusted.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Another issue mentioning in the JIRA ticket is taken out as a
>>>>>>>>>>>>> separate bug.
>>>>>>>>>>>>>
>>>>>>>>>>>>> --Semyon
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>
>>>
>



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