docs/patents.txt

   1 ARB_texture_float:
   2
   3     Silicon Graphics, Inc. owns US Patent #6,650,327, issued November 18,
   4     2003 [1].
   5
   6     SGI believes this patent contains necessary IP for graphics systems
   7     implementing floating point rasterization and floating point
   8     framebuffer capabilities described in ARB_texture_float extension, and
   9     will discuss licensing on RAND terms, on an individual basis with
  10     companies wishing to use this IP in the context of conformant OpenGL
  11     implementations [2].
  12
  13     The source code to implement ARB_texture_float extension is included
  14     and can be toggled on at compile time, for those who purchased a
  15     license from SGI, or are in a country where the patent does not apply,
  16     etc.
  17
  18     The software is provided "as is", without warranty of any kind, express
  19     or implied, including but not limited to the warranties of
  20     merchantability, fitness for a particular purpose and noninfringement.
  21     In no event shall the authors or copyright holders be liable for any
  22     claim, damages or other liability, whether in an action of contract,
  23     tort or otherwise, arising from, out of or in connection with the
  24     software or the use or other dealings in the software.
  25
  26     You should contact a lawyer or SGI's legal department if you want to
  27     enable this extension.
  28
  29
  30 [1] http://www.google.com/patents/about?id=mIIOAAAAEBAJ&dq=6650327
  31 [2] http://www.opengl.org/registry/specs/ARB/texture_float.txt