glUniform1i(location,0);

glUniform1i(location,textureID);

#version 150
uniform mat4 mvmatrix;      // modelviewmatrix
uniform mat4 projmatrix;   // projectionmatrix

in vec3 vinvertex;      // incoming vertex
in vec3 vincolor;      // incoming color
in vec2 vintex;         // incoming texture-coord

out vec3 voutcolor;      // pass color to frag-shader
out vec2 vouttex;      // pass texture-coord to frag-shader

void main()
{
   vouttex = vintex;
   voutcolor = vincolor;
   gl_Position =  projmatrix * (mvmatrix * vec4(vinvertex,1.0));
}

#version 150
uniform sampler2D texture0;
in vec3 voutcolor;   // vertex-color passed by vertexshader
in vec2 vouttex;   // texture-coords
out vec4 col;      // final color

void main()
{
   vec4 coltmp = vec4(voutcolor,1.0);
   col = coltmp * texture(texture0,vouttex.st);
}

glUniform1i(location,tmu);
glActiveTexture(GL_TEXTURE0 + tmu);
glBindTexture(GL_TEXTURE_2D, textureID);