Specularity Effects

glBindTextureEXT ( COMMON_TEXTURE );

glDepthFunc ( GL_LEQUAL );
glBlendFunc ( GL_ONE, GL_ZERO );


glMaterialfv ( { GL_AMBIENT, GL_DIFFUSE, GL_EMISSION }, values );
glMaterialfv ( GL_SPECULAR, BLACK* );


CulledDisplayList = DrawScene();

glBindTextureEXT ( ENVMAP );

glDepthFunc ( GL_EQUAL* );
glBlendFunc ( GL_ONE, GL_ONE* );


glMaterialfv ( { GL_AMBIENT, GL_DIFFUSE, GL_EMISSION }, BLACK* );
glMaterialfv ( GL_SPECULAR, value );
glMaterialf ( GL_SHININESS, exponent );


glCallList ( CulledDisplayList );