8bd0446d00
It's a *long* time since SGI was the copyright holder for the OpenGL trademark. And we implement more APIs by now, so let's update the disclaimer to instead redirect to the Khronos licensing page for details. While we're at it, soften the language on legal status as a formal implementation, as we currently have conformant drivers for most of the APIs by now. But refer to the Khronos website for details, as conformance status for drivers are subject to change. Reviewed-by: Adam Jackson <ajax@redhat.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13833>
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90 lines
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License and Copyright
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=====================
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Disclaimer
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----------
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Mesa implements various APIs, including `OpenGL`_, `OpenGL ES`_,
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`Vulkan`_ and `OpenCL`_. Even though Mesa implements these APIs, the
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implementation isn't formally conformant on all combinations of drivers
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and hardware. `Khronos`_ maintains lists of conformant implementations
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for each of their APIs, as well as `trademark details`_.
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Please do not refer to the library as *MesaGL* (for legal reasons). It's
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just *Mesa* or *The Mesa 3-D graphics library*.
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.. _OpenGL: https://www.opengl.org/
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.. _OpenGL ES: https://www.khronos.org/opengles/
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.. _Vulkan: https://www.vulkan.org/
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.. _OpenCL: https://www.khronos.org/opencl/
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.. _Khronos: https://www.khronos.org/
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.. _trademark details: https://www.khronos.org/legal/trademarks/
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License / Copyright Information
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-------------------------------
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The Mesa distribution consists of several components. Different
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copyrights and licenses apply to different components. For example, the
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GLX client code uses the SGI Free Software License B, and some of the
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Mesa device drivers are copyrighted by their authors. See below for a
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list of Mesa's main components and the license for each.
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The core Mesa library is licensed according to the terms of the MIT
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license. This allows integration with the XFree86, X.Org and DRI
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projects.
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The default Mesa license is as follows:
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::
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Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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Attention, Contributors
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-----------------------
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When contributing to the Mesa project you must agree to the licensing
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terms of the component to which you're contributing. The following
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section lists the primary components of the Mesa distribution and their
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respective licenses.
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Mesa Component Licenses
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-----------------------
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+-----------------+------------------------+-----------------------------+
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| Component | Location | License |
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+=================+========================+=============================+
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| Main Mesa code | src/mesa/ | MIT |
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+-----------------+------------------------+-----------------------------+
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| Device drivers | src/mesa/drivers/* | MIT, generally |
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+-----------------+------------------------+-----------------------------+
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| Gallium code | src/gallium/ | MIT |
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+-----------------+------------------------+-----------------------------+
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| Ext headers | include/GL/glext.h, | Khronos |
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| | include/GL/glxext.h | |
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+-----------------+------------------------+-----------------------------+
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| GLX client code | src/glx/ | SGI Free Software License B |
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+-----------------+------------------------+-----------------------------+
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| C11 thread | include/c11/threads*.h | Boost (permissive) |
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| emulation | | |
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+-----------------+------------------------+-----------------------------+
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In general, consult the source files for license terms.
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