2
http://www.opengl.org/registry/specs/EXT/texture_env.txt
4
GL_TEXTURE_ENV_SHIFT_EXT 0
9
GL_TEXTURE_ENV_MODE_ALPHA_EXT 0
10
GL_ENV_REVERSE_BLEND_EXT 0
11
GL_ENV_REVERSE_SUBTRACT_EXT 0
2
http://www.opengl.org/registry/specs/EXT/texture_env.txt
4
GL_TEXTURE_ENV_SHIFT_EXT 0
9
GL_TEXTURE_ENV_MODE_ALPHA_EXT 0
10
GL_ENV_REVERSE_BLEND_EXT 0
11
GL_ENV_REVERSE_SUBTRACT_EXT 0