Add Xbox UWP port

ports/uwp/third_party/README.md

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+# UWP dependencies
+
+The ANGLE UWP runtime is committed under `angle`. The package also uses:
+
+- `LOVE_UWP_ROOT`: [caorthann-celt/love-xbox-uwp](https://github.com/caorthann-celt/love-xbox-uwp) on the `gen1recomp` branch.
+- `UWP_SDL2_ANGLE_ROOT`: SDL2 built by `scripts/build-sdl2-angle.ps1`.
+- `VCPKG_ROOT`: the UWP codec, font, compression, and audio runtimes used by LÖVE.
+
+SDL headers, import library, and DLL must come from the same build. Runtime DLLs stay inside the installed package.

ports/uwp/third_party/angle/AUTHORS

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+# This is the official list of The ANGLE Project Authors
+# for copyright purposes.
+# This file is distinct from the CONTRIBUTORS files.
+# See the latter for an explanation.
+
+# Names should be added to this file as
+#	Name or Organization
+# Email addresses for individuals are tracked elsewhere to avoid spam.
+
+Google Inc.
+TransGaming Inc.
+3DLabs Inc. Ltd.
+
+Adobe Systems Inc.
+Autodesk, Inc.
+BlackBerry Limited
+Cable Television Laboratories, Inc.
+Collabora, Ltd.
+Cloud Party, Inc.
+Igalia, S.L.
+Imagination Technologies Ltd.
+Intel Corporation
+LunarG, Inc.
+Mozilla Corporation
+Turbulenz
+Klarälvdalens Datakonsult AB
+Microsoft Corporation
+Microsoft Open Technologies, Inc.
+NVIDIA Corporation
+Opera Software ASA
+The Qt Company Ltd.
+Advanced Micro Devices, Inc.
+LG Electronics, Inc.
+IBM Inc.
+AdaptVis GmbH
+Samsung Electronics, Inc.
+Arm Ltd.
+Broadcom Inc.
+Facebook, Inc.
+The Khronos Group, Inc.
+Numfum GmbH
+Yandex LLC
+Rive
+Institute of Software, Chinese Academy of Sciences
+Guangdong OPPO Mobile Telecommunications Corp., Ltd
+Qualcomm Innovation Center, Inc.
+
+Jacek Caban
+Mark Callow
+Ginn Chen
+Tibor den Ouden
+Régis Fénéon
+James Hauxwell
+Sam Hocevar
+Pierre Leveille
+Jonathan Liu
+Boying Lu
+Aitor Moreno
+Yuri O'Donnell
+Josh Soref
+Ma Aiguo
+Maks Naumov
+Jinyoung Hur
+Sebastian Bergstein
+James Ross-Gowan
+Nickolay Artamonov
+Ihsan Akmal
+Andrei Volykhin
+Jérôme Duval
+Руслан Ижбулатов
+Thomas Miller
+Till Rathmann
+Nick Shaforostov
+Jaime Bernardo
+Le Hoang Quyen
+Lu Yahan
+Ethan Lee
+Renaud Lepage
+Artem Bolgar
+Wander Lairson Costa
+Stephan Hartmann
+SeongHwan Park
+Xiaopeng Li
+Akihiko Odaki
+Ho Cheung
+Tao Wang
+Phan Quang Minh
+Hongchen Yan
+Andrew Sumsion

ports/uwp/third_party/angle/LICENSE

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+// Copyright 2018 The ANGLE Project Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+//     Redistributions of source code must retain the above copyright
+//     notice, this list of conditions and the following disclaimer.
+//
+//     Redistributions in binary form must reproduce the above
+//     copyright notice, this list of conditions and the following
+//     disclaimer in the documentation and/or other materials provided
+//     with the distribution.
+//
+//     Neither the name of TransGaming Inc., Google Inc., 3DLabs Inc.
+//     Ltd., nor the names of their contributors may be used to endorse
+//     or promote products derived from this software without specific
+//     prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.

ports/uwp/third_party/angle/README.md

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+# ANGLE UWP runtime
+
+`libEGL.dll` and `libGLESv2.dll` were built for x64 UWP from [SternXD/angle](https://github.com/SternXD/angle) commit `45b0b1e03400b7a10aaa9a077e196d1abcddafce`. They report ANGLE version `2.1.25011` and source hash `45b0b1e03400`.
+
+`d3dcompiler_47.dll` is the x64 Direct3D HLSL compiler redistributable from Windows SDK `10.0.26100.7705`.
+
+SHA-256:
+
+- `d3dcompiler_47.dll`: `A05F99734F7C4822FEFC12B367AF21FD0976ED6608752FB1E1E80B6ECE7ECBBB`
+- `libEGL.dll`: `FE2AC107D0B6CAAE917E755064B430E4ECC52495B12E44EC7B0218E10504ECD1`
+- `libGLESv2.dll`: `C8A7E08E0C34E534A781DD8784065CC0608D6E497ADB451F6EEF348E594A00CF`
+
+ANGLE's upstream `LICENSE` and `AUTHORS` files are included beside its binaries.