[GEM-dev] glsl and texture

[cyrille henry]

i still don't understand how to load a jpg file to MyTex.

attachement is my test patch.
it does not render any texture.

thanks
Cyrille


chris clepper a écrit :
> Use a texture sampler in your shader.  GLSL has a sampler for 2D and 
> RECT texutres, so make sure you have the right one for the texture type 
> (OSX defaults to RECT while Win/Linux are probably 2D).
> 
> uniform sampler2D MyTex;
> 
> void main (void)
> {
>   vec4 color = texture2D(MyTex, gl_TexCoord[0].st);
>   color = color * 0.5;
>   gl_FragColor = color;
> }
> 
> That is untested but it should result in something.
> 
> cgc
> 
> On 8/25/06, *cyrille henry* <cyrille.henry at la-kitchen.fr 
> <mailto:cyrille.henry at la-kitchen.fr>> wrote:
> 
>     hello,
> 
>     i'm trying to learn glsl.
>     I can't find how to use texture in the fragment shader.
>     does anyone have an exemple how to load texture with GEM glsl?
> 
>     thanks
>     Cyrille
> 
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