[GEM-dev] 2textures + gemframebuffer

[cyrille henry]

hello,


marius schebella a écrit :
> Hi Cyrille,
> the patch was a part of a bigger project, so I still had vertex shader 
> and separator in it. Later I want to trigger the first texture (now 
> using a separate gemhead 10) and the gemchein with the shader from the 
> same gemhead (t a a a) to make sure it is rendered before, and then I 
> need the separator (although I also could use separate gemheads and send 
> bang).
ok. 

> 
> the problem is, that the shader now does not load on my machine.
> 
> [glsl_fragment]: m_shader: 0	35632
> [glsl_program]: Info_log:
> [glsl_program]: ERROR: fragment shader reads varying 'texcoord0' which 
> is not written.
> ERROR: fragment shader reads varying 'texcoord1' which is not written.

this is a strange error :  could you try to add again the vertex shader?

> 
> [glsl_program]: Link failed!
> [glsl_program]: vertex shader running in hardware
> [glsl_program]: fragment shader running in hardware
> 
> but, from your patch I see that you are using gemframebuffer behind the 
> pix_texture. gemframebuffer always surprises me! I think that might be 
> the solution.
hum, i don't think so.
i usually put gemframebuffer before the primitive i want to draw in the framebuffer, but it should also work where you put it.


cyrille


> thanks for looking into this.
> marius.
> 
> 
> cyrille henry wrote:
>> hello,
>>
>> i change few things in your patch : remove the glsl_vertex (as only the 
>> fragment was used),
>> remove the separator (did not understand why it was there)
>> clean initaliation
>>
>> none of this change made a diference.
>> so i finally switch to rectangulare texturing mode, and then everything 
>> work as expected.
>>
>> here is the corrected patch.
>>
>> cyrille
>>
>>
>> marius schebella a écrit :
>>> hi,
>>> I can't get gemframebuffer working with 2 shaders. see my files here:
>>> http://www.parasitaere-kapazitaeten.net/files/2tex+gemframe.zip
>>> I would like to take the output of a shader with 2 textures and use it 
>>> in another pix_texture. but I don't find the right way to do this...
>>> anybody with help?
>>> thanks over'n out (no more mail today)
>>> marius.
>>>
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> 
> 
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