1GL_APPLE_texture_range
2http://developer.apple.com/opengl/extensions/apple_texture_range.html
3	GL_TEXTURE_STORAGE_HINT_APPLE 0x85BC
4	GL_STORAGE_PRIVATE_APPLE 0x85BD
5	GL_STORAGE_CACHED_APPLE 0x85BE
6	GL_STORAGE_SHARED_APPLE 0x85BF
7	GL_TEXTURE_RANGE_LENGTH_APPLE 0x85B7
8	GL_TEXTURE_RANGE_POINTER_APPLE 0x85B8
9	void glTextureRangeAPPLE (GLenum target, GLsizei length, GLvoid *pointer)
10	void glGetTexParameterPointervAPPLE (GLenum target, GLenum pname, GLvoid **params)
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