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Marek Olšák2d12dbb2011-04-01 01:12:41 +02001ARB_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
José Fonseca4ee40c32011-04-16 09:22:34 +010014 and can be toggled on at compile time, for those who purchased a
José Fonseca77db34b2011-04-16 11:14:25 +010015 license from SGI, or are in a country where the patent does not apply,
16 etc.
Marek Olšák2d12dbb2011-04-01 01:12:41 +020017
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