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#2677676 - 02/21/09 10:33 PM Bodhammer's video solution (assist by Chamot)
guod Offline
Custodian
Veteran

Registered: 09/29/00
Posts: 18713
Loc: 11th floor, corner office
Copied from here:
http://simhq.com/forum/ubbthreads.php/topics/2673236/Re_Installed_an_HD3850_AGP_512.html#Post2673236

"Good new all!!!

I finally got the build environment working and I have confirmed that the problem is with the IDirectDrawSurface7_Blt call in zbuffer.c. Thanks to Lucas and Arneh for the help. Big thanks to Chamot for the clue!

I did a very simple test.

in zbuffer.c, there are two calls: clear_zbuffer_screen and clear_zbuffer_screen_using_viewport. clear_zbuffer_screen uses IDirectDrawSurface7_Blt. I simply made a copy of clear_zbuffer_screen_using_viewport and renamed it clear_zbuffer_screen and when I now run the demo, I actually see something!

Given I'm not really a DirectX programmer, I would like to leave the real fix to the dev team. I'm not sure what the implications are of the fix or how to really regression test this. I think also, there is probably a cleaner way to fix this but I was also having trouble finding documentation so I could implement IDirect3DViewPort::Clear2. I'm willing to keep fooling with it but I would rather leave it to the professionals!

I have some family stuff this morning, I will get back at in a couple of hours.

Bod"

File to download:
http://home.comcast.net/~bodhammer/eech/cohokum%20test.zip
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#2677761 - 02/22/09 05:50 AM Re: STICKY: Bodhammer's video solution (assist by Chamot) [Re: guod]
Alemart Offline
Member

Registered: 06/09/07
Posts: 307
Loc: Zárate, Buenos Aires Province,...
Has anybody tried this yet?, how did it performs?.
_________________________
Raúl Alejandro Molina Rosetti A.K.A.:
Alemart_el_Redentor.
Alemart_the_Redeemer.
Alemart.
Antaeus.
FAA-117
FAAVPilot.
pupae_pedorra.

Major, Argentine Virtual Air Force.

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#2678784 - 02/23/09 08:43 PM Re: STICKY: Bodhammer's video solution (assist by Chamot) [Re: Alemart]
nitro_xlr8r Offline
Junior Member

Registered: 03/09/07
Posts: 3
Works like a charm on my G965 (Intel GMA X3000).
Thanks for this fix, been waiting for over a year for this.


Edited by nitro_xlr8r (02/24/09 11:54 AM)
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#2679085 - 02/24/09 08:52 AM Re: STICKY: Bodhammer's video solution (assist by Chamot) [Re: nitro_xlr8r]
rooivalk Offline
Junior Member

Registered: 02/18/02
Posts: 21
Loc: South Africa
Outstanding work guys, works perferctly on GeForce 9300m

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#2688230 - 03/10/09 06:55 AM Re: STICKY: Bodhammer's video solution (assist by Chamot) [Re: rooivalk]
Jander Offline
Member

Registered: 07/13/01
Posts: 457
Loc: near Graz, Austria
Works great on my ATI 3850 - THANK YOU so much! Was grounded for more than one year because of this - now the long wait has an end!
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Jander

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gleich wird die Mühle hingerotzt!

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#2693079 - 03/17/09 04:45 PM Re: STICKY: Bodhammer's video solution (assist by Chamot) [Re: Jander]
{S}DickDastardly Offline
Member

Registered: 11/05/05
Posts: 138
Loc: Birmingham, UK
Sorted the problem with my 8800GT too - thanks very much indeed m8!
Cheers,
DD

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#2696829 - 03/24/09 04:03 AM Re: STICKY: Bodhammer's video solution (assist by Chamot) [Re: {S}DickDastardly]
arneh Offline
Member

Registered: 06/18/06
Posts: 2213
Loc: Oslo, Norway
The fix is included in 1.11.1 so just use that (or later versions from now on).

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#2698974 - 03/27/09 06:45 PM Re: STICKY: Bodhammer's video solution (assist by Chamot) [Re: arneh]
Bodhammer Offline
Junior Member

Registered: 10/12/08
Posts: 66
Loc: Albuquerque, NM
I'm going to take down the download now that it is in the release.

Bod

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