1GL_ATIX_texture_env_route 2http://www.ati.com/developer/sdk/RadeonSDK/Html/Info/ATIX_texture_env_route.txt 3GL_ATIX_texture_env_route 4 5 GL_SECONDARY_COLOR_ATIX 0x8747 6 GL_TEXTURE_OUTPUT_RGB_ATIX 0x8748 7 GL_TEXTURE_OUTPUT_ALPHA_ATIX 0x8749 8