Re: [r300] problems leaving the game (Quake 3 + Doom 3)

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

Brian Paul wrote:
> Rune Petersen wrote:
>> I found the problem:
>> In Mesa MAX_TEXTURE_UNITS, MAX_TEXTURE_COORD_UNITS, and 
>> MAX_TEXTURE_IMAGE_UNITS are all set to 8. (src/mesa/main/config.h)
>>
>> And there are no sanity-checks done on the values returned by the 
>> drivers.
>>
>> Changing the defines to 16 makes everything work.
>>
>> Changing only MAX_TEXTURE_IMAGE_UNITS should be valid according to 
>> src/mesa/main/config.h but a sanity-check fails (if commented out it 
>> lockups like before).
>>
>> In the future it would be nice to have bounds checks on the Const.* 
>> values.
> 
> I've added a new function that does some sanity checks on the 
> ctx->Const.* values the first time a context is bound.

Great I hope it not a silent check...
> 
> As discussed a few days ago, we're presently limited to 8 texture image 
> and coordinate units in core Mesa.
>
I see in other words the restriction on MAX_TEXTURE_IMAGE_UNITS have to 
be there until splitting of the 2 units is completed in Mesa.
(managed to find a working mesa3d-dev archive)


Rune Petersen