Hi Josef,
On Mon, 2005-12-12 at 22:22 +0000, Josef Grunig wrote:
>
> In the fragment shader the texture units are defined as:
>
> uniform samplerRECT texUnit0;
> uniform samplerRECT texUnit1;
>
> and I access the textures values using:
>
> texture2DRect( texUnit0, vec2(x,y));
> texture2DRect( texUnit1, vec2(x,y));
>
> Am I forgetting something?
> Shouldn't this work?
That's one of the few annoying things in GLSL: texture samplers are
uniform parameters, i.e. you have to set on the SHLChunk the fact that
texUnit0 is 0 and texUnit1 is 1. You cannot hard-code that into the
shader, it has to be a uniform parameter.
Hope it helps
Dirk
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