[r300][PATCH] fix vertex attribs - try 2 - Re: [r300] ARB vp attribs broken?

[Rune P. <ru...@me...>]

Brian Paul wrote:
> Rune Petersen wrote:
>> Tilman Sauerbeck wrote:
>>
>>> Rune Petersen [2006-06-25 16:31]:
>>>
>>>> I've been looking at vertex shaders this weekend.
>>>>
>>>> It would appear that attribs are broken. The most straight forward 
>>>> way to test this it to compare progs/tests/arbvptest3 to 
>>>> progs/tests/vptest3
>>>>
>>>> On my system I get different colors when I resize the window.
>>>>
>>>> Can someone confirm this? (it would explain why Doom 3 is broken)
>>>
>>> Yes, I have reported this some weeks ago:
>>> http://marc.theaimsgroup.com/?l=dri-devel&m=114855685402158&w=2
>>>
>>
>> Don't know how I fixed that...
>>
>> It would appear to be caused bu the reshuffling of the attribs.
>>
>> Any idea where the attribs are passed to the driver?
>> and how to read the data in the attribs...
> 
> I can't comment on the r300 driver, but the change in vertex aliasing in 
> core Mesa is pretty simple.  It's really just a change of which index 
> into the VB->Attribs[] array corresponds to glVertexAttribARB(index, ...).
> 

try 2:

I believe I have found the problem... the attributes weren't copied..

Patch attached.


Rune Petersen