docs(windows): add documents for arm64

Add windows arm64 documents.

Signed-off-by: Coia Prant <[email protected]>
Co-authored-by: ReenigneArcher <[email protected]>

Author: rbqvq

docs/building.md

@@ -72,33 +72,51 @@ sudo port install "${dependencies[@]}"
 ```
 
 #### Windows
-First you need to install [MSYS2](https://www.msys2.org), then startup "MSYS2 UCRT64" and execute the following
-commands.
+
+@warning{Cross-compilation is not supported on Windows. You must build on the target architecture.}
+
+First you need to install [MSYS2](https://www.msys2.org).
+ 
+For AMD64 startup "MSYS2 UCRT64", or for ARM64 startup "MSYS2 CLANGARM64", then execute the following commands.
 
 ##### Update all packages
 ```bash
 pacman -Syu
 ```
 
+##### Set toolchain variable
+For UCRT64:
+```bash
+export TOOLCHAIN="ucrt-x86_64"
+```
+
+For CLANGARM64:
+```bash
+export TOOLCHAIN="clang-aarch64"
+```
+
 ##### Install dependencies
 ```bash
 dependencies=(
   "git"
-  "mingw-w64-ucrt-x86_64-boost"  # Optional
-  "mingw-w64-ucrt-x86_64-cmake"
-  "mingw-w64-ucrt-x86_64-cppwinrt"
-  "mingw-w64-ucrt-x86_64-curl-winssl"
-  "mingw-w64-ucrt-x86_64-doxygen"  # Optional, for docs... better to install official Doxygen
-  "mingw-w64-ucrt-x86_64-graphviz"  # Optional, for docs
-  "mingw-w64-ucrt-x86_64-MinHook"
-  "mingw-w64-ucrt-x86_64-miniupnpc"
-  "mingw-w64-ucrt-x86_64-nodejs"
-  "mingw-w64-ucrt-x86_64-nsis"
-  "mingw-w64-ucrt-x86_64-onevpl"
-  "mingw-w64-ucrt-x86_64-openssl"
-  "mingw-w64-ucrt-x86_64-opus"
-  "mingw-w64-ucrt-x86_64-toolchain"
+  "mingw-w64-${TOOLCHAIN}-boost"  # Optional
+  "mingw-w64-${TOOLCHAIN}-cmake"
+  "mingw-w64-${TOOLCHAIN}-cppwinrt"
+  "mingw-w64-${TOOLCHAIN}-curl-winssl"
+  "mingw-w64-${TOOLCHAIN}-graphviz"  # Optional, for docs
+  "mingw-w64-${TOOLCHAIN}-miniupnpc"
+  "mingw-w64-${TOOLCHAIN}-nodejs"
+  "mingw-w64-${TOOLCHAIN}-onevpl"
+  "mingw-w64-${TOOLCHAIN}-openssl"
+  "mingw-w64-${TOOLCHAIN}-opus"
+  "mingw-w64-${TOOLCHAIN}-toolchain"
 )
+if [[ ${MSYSTEM} == "ucrt64" ]]; then
+  dependencies+=(
+    "mingw-w64-${TOOLCHAIN}-MinHook"
+    "mingw-w64-${TOOLCHAIN}-nsis"  # TODO: how to create an arm64 installer?
+  )
+fi
 pacman -S "${dependencies[@]}"
 ```
 
@@ -139,7 +157,7 @@ ninja -C build
   }}
   @tab{Windows | @tabs{
     @tab{Installer | ```bash
-      cpack -G NSIS --config ./build/CPackConfig.cmake
+      cpack -G NSIS --config ./build/CPackConfig.cmake # Not working on CLANGARM64
       ```}
     @tab{Portable | ```bash
       cpack -G ZIP --config ./build/CPackConfig.cmake

docs/getting_started.md

@@ -281,10 +281,17 @@ brew uninstall sunshine
 
 ### Windows
 
+Sunshine now supports ARM64 on Windows; however this should be considered experimental. This version does not properly
+support GPU scheduling and any hardware acceleration.
+
 #### Installer (recommended)
 
-1. Download and install
-   [Sunshine-Windows-AMD64-installer.exe](https://github.com/LizardByte/Sunshine/releases/latest/download/Sunshine-Windows-AMD64-installer.exe)
+1. Download and install based on your architecture:
+
+   | Architecture          | Installer                                                                                                                                    |
+   |-----------------------|----------------------------------------------------------------------------------------------------------------------------------------------|
+   | AMD64/x64 (Intel/AMD) | [Sunshine-Windows-AMD64-installer.exe](https://github.com/LizardByte/Sunshine/releases/latest/download/Sunshine-Windows-AMD64-installer.exe) |
+   | ARM64                 | [Sunshine-Windows-ARM64-installer.exe](https://github.com/LizardByte/Sunshine/releases/latest/download/Sunshine-Windows-ARM64-installer.exe) |
 
 @attention{You should carefully select or unselect the options you want to install. Do not blindly install or
 enable features.}
@@ -297,8 +304,13 @@ overflow menu. Different versions of Windows may provide slightly different step
 @warning{By using this package instead of the installer, performance will be reduced. This package is not
 recommended for most users. No support will be provided!}
 
-1. Download and extract
-   [Sunshine-Windows-AMD64-portable.zip](https://github.com/LizardByte/Sunshine/releases/latest/download/Sunshine-Windows-AMD64-portable.zip)
+1. Download and extract based on your architecture:
+
+   | Architecture          | Installer                                                                                                                                  |
+   |-----------------------|--------------------------------------------------------------------------------------------------------------------------------------------|
+   | AMD64/x64 (Intel/AMD) | [Sunshine-Windows-AMD64-portable.exe](https://github.com/LizardByte/Sunshine/releases/latest/download/Sunshine-Windows-AMD64-portable.zip) |
+   | ARM64                 | [Sunshine-Windows-ARM64-portable.exe](https://github.com/LizardByte/Sunshine/releases/latest/download/Sunshine-Windows-ARM64-portable.zip) |
+
 2. Open command prompt as administrator
 3. Firewall rules