Method GLSL.glVertexAttrib()

Method glGetAttribLocation
Method glVertexAttrib

int glGetAttribLocation(int progra, string name)
void glVertexAttrib(int location, float value)
void glVertexAttrib(int location, float v1, float v2)
void glVertexAttrib(int location, float v1, float v2, float v3)
void glVertexAttrib(int location, float v1, float v2, float v3, float v4)