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GLSL and Texture Matrix Problems

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I'm projecting a reflection texture onto a couple quads by changing the texture matrix before I do anything. And this works great if I don't use my fragment shader. But as soon as I start using a fragment shader my texture gets screwed. So what am I doing wrong? The source looks something like this:
glTranslatef(0.5f, 0.5f, 0.0f);
glScalef(0.5f, 0.5f, 1.0f);

//... render tristrip 32x32 grid quads and set texcoords to 
// glTexCoord3f(x, 0.0f, z), where the x and z are the same 
// as the tristrip quad coordinates..
for( int z=0; z<1024; z+=32 ) {
  if( !rewind ) {
    for( int x=0; x<=1024; x+=32 ) {
      glTexCoord3f(x, 0.0f, z      ); glVertex3f(x, 0.0f, z);
      glTexCoord3f(x, 0.0f, z+32.0f); glVertex3f(x, 0.0f, z+32.0f);
  } else {
    //... eh you get the idea
  rewind = !rewind;

And the fragment shader looks like this:
uniform sampler2D reflection;
void main(void)
  vec4 refl = texture2D(reflection, gl_TexCoord[0].xy);
  gl_FragColor = refl;

Oh, and of course I setup the shader program and the uniforms, and also binds the texture. So the problem doesn't lie there :)

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Yay! I solved it :)

The problem was that I wasn't changing the texture matrix for the right texture! I bound another texture after my reflection texture.

Also I needed to change texture2D(reflection, gl_TexCoord[0].xy) into texture2DProj(reflection, gl_TexCoord[0].xyz).

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