1GL_EXT_separate_specular_color 2http://www.opengl.org/registry/specs/EXT/separate_specular_color.txt 3GL_EXT_separate_specular_color 4 GL_LIGHT_MODEL_COLOR_CONTROL_EXT 0x81F8 5 GL_SINGLE_COLOR_EXT 0x81F9 6 GL_SEPARATE_SPECULAR_COLOR_EXT 0x81FA 7