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30 lines
1.3 KiB
C++
30 lines
1.3 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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typedef unsigned long DWORD;
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//Due to some laptops not auto-switching to the discrete GPU correctly we are adding these
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//__declspec as defined in the AMD and NVidia white papers to 'force on' the use of the
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//discrete chips. This will be overridden by users setting application profiles
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//and may not work on older drivers or bios. In theory this should be enough to always force on
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//the discrete chips.
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//http://developer.download.nvidia.com/devzone/devcenter/gamegraphics/files/OptimusRenderingPolicies.pdf
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//https://community.amd.com/thread/169965
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// It is unclear if this is also needed for Linux or macOS at this time (22/02/2017)
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extern "C"
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{
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__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
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__declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
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}
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