It is a bit complex to explain, and my english level is very low ...
but it's all in the attachment. You have to make several changes to work:
Code:
const int tex_to_get = 1;
and
static const char *shaderSource = {
"uniform sampler2DRect textureID0;\n"
"uniform sampler2DRect textureID1;\n"
"uniform sampler2DRect textureID2;\n"
"uniform sampler2DRect textureID3;\n"
"void main(void)\n"
"{\n"
" gl_FragData[0] = \n"
" vec4(texture2DRect( textureID1, gl_TexCoord[0].st
).rgb, 1);\n"
"}\n"
};
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=32543#32543
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