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