[PD] GEM: multitexturing in GEM

cyrille henry cyrille.henry at la-kitchen.fr
Fri Jul 6 18:30:31 CEST 2007


hello,


chris clepper a écrit :
> I managed to take a look at GLSL and multi-texturing for a few minutes.
> Here's what I found:
> 
> 1) ARB_fragment works exactly as expected with multiple texture units in 
> GEM
> 2) GLSL does not work with the same GL setup commands in GEM
> 3) Apple's ShaderBuilder does not work with Anton's shader nor any example
> shaders I tried with multiple textures
> 4) Shader builder works exactly as expected using ARB_fragment
> 
> This is with a G5 and Nvidia GPU.  I won't get back to this until Monday,
> but I suspect that some setup calls need to be updated or changed to match
> what the drivers want in order to access multiple textures.
> 
> For what it's worth, I only use ARB_fragment shaders in my own work.   They
> seem to work better and more efficiently.  I can post some shaders next 
> week
> if anyone is interested.
yes, i am interested!

thanks a lot
Cyrille

> 
> On 7/5/07, vade <doktorp at mac.com> wrote:
>>
>> sorry. let me clarify. long work day does not make me clear.
>> switching texunit switches the textures. however, mixing only occurs
>> between unit 0 and unit 0. Not between unit 0 and 1.
>>
>> this is with Cyrille's patch.
>>
>> Thanks.
>>
>>
> 
> 
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