For a currently bound texture, anisotropic filtering can be activated as follows:

GLfloat aniso;
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &aniso);
m_texture.SetSamplerObjectParameterf(GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso);


Source: Suzan Aydin, IN3026

High