Hi,
I'm working on a Fragment Shader which needs to access 2 different
Textures (texUnit0,texUnit1), but when I want to get the color with
texture2DRect( texUnit0, vec2(x,y));
or
texture2DRect( texUnit1, vec2(x,y));
I receive always the color of the first texture, although the two
images are different.
The material is defined as:
beginEditCP(material);
// the second parameter should be the Texture Unit
material->addChunk(texture[0], 0);
material->addChunk(texture[1], 1);
endEditCP(material);
The texture as:
beginEditCP(texture[i]); // were i is 0 and 1
texture[i]->setTarget(GL_TEXTURE_RECTANGLE_NV);
texture[i]->setImage(image[i]); // image[0] and image[1] are
different
texture[i]->setInternalFormat(GL_FLOAT_RGBA32_NV);
texture[i]->setMinFilter( GL_NEAREST ); // GL_LINEAR
texture[i]->setMinFilter( GL_NEAREST ); // GL_LINEAR
texture[i]->setScale(false);
endEditCP(texture[i]);
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?
Thanks in advance,
--
Josef Grunig
www.blending-life.org
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