Re: licenses, R300 code, etc

2005-05-01 Thread Nicolai Haehnle
On Sunday 01 May 2005 06:41, Vladimir Dergachev wrote:
 On Sun, 1 May 2005, Paul Mackerras wrote:
  Vladimir Dergachev writes:
 
  * the R300 driver derived from it appears under the same
license due to the notices left over from R200 files
(as we originally thought to merge the code in R200).
 
This needs approval from everyone who contributed to R300 -
please let me know !
 
  What exactly needs approval?  The current license, or are you
  proposing a change to the license?
 
 Just wanted to confirm that everyone is ok with MIT/X11 license.
 It was never explicit before - my fault, I was having too much fun playing 
 with the code :)

I always thought it was explicit, at least for me - I didn't just copypaste 
blindly ;)
So yes, I'm obviously okay with that license.

cu,
Nicolai


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Re: licenses, R300 code, etc

2005-05-01 Thread Peter Zubaj

Vladimir Dergachev writes:
* the R300 driver derived from it appears under the same
  license due to the notices left over from R200 files
  (as we originally thought to merge the code in R200).
  This needs approval from everyone who contributed to R300 -
  please let me know !

Do what you want (use any licence you want) with few rows I added.
Peter Zubaj
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Re: dropped polygons on savage

2005-05-01 Thread Felix Kühling
Am Samstag, den 30.04.2005, 22:53 -0500 schrieb Steve Holland:
 I find that the current savage snapshot (20050430) seems to randomly
 drop individual polygons or polygon strips (they become transparent to
 background). Hardware is SuperSavage/IXC (IBM Thinkpad T23) on FC3/linux
 2.6.11.2. 

I noticed this sometimes too, but I was never able to reproduce it
reliably. Does the problem go away if you set the enable_fastpath option
to false?

 
 Testcase: Aviascene  http://69.5.151.193:81/~sdh4/aviascene (problem is
 most severe with texturing off (press t))
 Screenshot: http://69.5.151.193:81/~sdh4/savagebug.png
 
 Problem did not occur with 20041108 snapshot or prior, or with direct
 rendering disabled, or with other DRI drivers. 

Lots of changes have occurred in the driver since 2004. It can't be a
DMA problem because the driver can't use DMA on SuperSavages. The
fastpath is my next suspect (see above).

 
 Rerendering a frame a second time gives exactly the same polygons
 dropped as in the original render. 

That's good, makes the problem slightly easier to debug.

 
   Thanks,
   Steve

Regards,
  Felix

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Re: dropped polygons on savage

2005-05-01 Thread Steve Holland
Nope. Toggling that option back and forth does not change things. 
The synchronize graphics hardware and floating point depth buffer
options don't seem to do anything either. 

I have a modified testcase that reproducibly generates the same dropped
polygons (on my hardware) every time it's run and without user
interaction:
http://69.5.151.193:81/~sdh4/aviascene_savagebug.tar.gz
( type 'make' followed by 'aviascene castle_demo.cfg' )

Steve


On Sun, 2005-05-01 at 15:28 +0200, Felix Kühling wrote:
 Am Samstag, den 30.04.2005, 22:53 -0500 schrieb Steve Holland:
  I find that the current savage snapshot (20050430) seems to randomly
  drop individual polygons or polygon strips (they become transparent to
  background). Hardware is SuperSavage/IXC (IBM Thinkpad T23) on FC3/linux
  2.6.11.2. 
 
 I noticed this sometimes too, but I was never able to reproduce it
 reliably. Does the problem go away if you set the enable_fastpath option
 to false?
 
  
  Testcase: Aviascene  http://69.5.151.193:81/~sdh4/aviascene (problem is
  most severe with texturing off (press t))
  Screenshot: http://69.5.151.193:81/~sdh4/savagebug.png
  
  Problem did not occur with 20041108 snapshot or prior, or with direct
  rendering disabled, or with other DRI drivers. 
 
 Lots of changes have occurred in the driver since 2004. It can't be a
 DMA problem because the driver can't use DMA on SuperSavages. The
 fastpath is my next suspect (see above).
 
  
  Rerendering a frame a second time gives exactly the same polygons
  dropped as in the original render. 
 
 That's good, makes the problem slightly easier to debug.
 
  
  Thanks,
  Steve
 
 Regards,
   Felix
 



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R300 licenses

2005-05-01 Thread Vladimir Dergachev
Hi all,
Thank you very much for your responses :)
   * I modified the readme for r300_demo program to explicitly
 state that the code there is public domain
   * I have added a LICENSE file to the r300_driver specifying
 which license apply to which code.
 The r300_regs.h file appeared to be triple-licensed (BSD, GPL,
 MIT/X11). It might be a good idea to make it public domain -
 does anyone have any objections ?
   * I would like to make glxtest code public domain as well - please
 comment.
thank you !
Vladimir Dergachev
PS I am not a lawyer, so feel free to improve the wording.
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Re: r300 fixed pipeline design

2005-05-01 Thread Aapo Tahkola
On Sat, 30 Apr 2005 15:43:08 +0300
Aapo Tahkola [EMAIL PROTECTED] wrote:

 Ill add something that allows to switch between hw and sw tnl on the fly 
 using magic keys later today.

Attached offensive beast does this.
When compiled r300_tnl_switch.so is loaded with LD_PRELOAD, applications that 
use events to read keyboard input respond to F11 and F12 keys.

-- 
Aapo Tahkola


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