feat: Apple tvOS and Apple visionOS support

.github/workflows/unity.yml

@@ -80,6 +80,28 @@ jobs:
  EXECUTABLE_SUFFIX=-simulator.a
  ONLY_ACTIVE_ARCH=NO
 
+ - name: configure tvOS
+ run: >
+ cmake . -G Xcode -B build_tvos
+ -DCMAKE_BUILD_TYPE=MinSizeRel
+ -DCMAKE_SYSTEM_NAME=tvOS
+ -DCMAKE_OSX_DEPLOYMENT_TARGET=10.0
+ -DDRACO_UNITY_PLUGIN=ON
+ -DDRACO_GLTF_BITSTREAM=ON
+ -DDRACO_BACKWARDS_COMPATIBILITY=OFF
+ - name: build tvOS
+ run: cmake --build build_tvos --config MinSizeRel --target draco_unity
+ - name: build tvOS Simulator
+ run: >
+ cmake
+ --build build_tvos
+ --config MinSizeRel
+ --target draco_unity
+ --
+ -sdk appletvsimulator
+ EXECUTABLE_SUFFIX=-simulator.a
+ ONLY_ACTIVE_ARCH=NO
+
  - name: package Apple
  run: |
  mkdir draco_apple
@@ -88,6 +110,9 @@ jobs:
  mkdir -p draco_apple/iOS
  mv build_ios/MinSizeRel-iphoneos/libdraco_unity.a draco_apple/iOS
  mv build_ios/MinSizeRel-iphonesimulator/libdraco_unity-simulator.a draco_apple/iOS
+ mkdir -p draco_apple/tvOS
+ mv build_tvos/MinSizeRel-appletvos/libdraco_unity.a draco_apple/tvOS
+ mv build_tvos/MinSizeRel-appletvsimulator/libdraco_unity-simulator.a draco_apple/tvOS
  - name: upload artifact
  uses: actions/upload-artifact@v3
  with:

CMakeLists.txt

@@ -1053,7 +1053,7 @@ else()
  endif()
 
  if(DRACO_UNITY_PLUGIN)
- if(IOS OR EMSCRIPTEN)
+ if(IOS OR EMSCRIPTEN OR CMAKE_SYSTEM_NAME STREQUAL "tvOS" OR CMAKE_SYSTEM_NAME STREQUAL "visionOS")
  set(unity_decoder_lib_type STATIC)
  else()
  set(unity_decoder_lib_type MODULE)
@@ -1110,8 +1110,8 @@ else()
  OBJLIB_DEPS ${unity_objlib_dependency} draco_unity_enc_plugin
  )
 
- # For Mac, we need to build a .bundle for the unity plugin.
- if(APPLE)
+ # For macOS, we need to build a .bundle for the unity plugin.
+ if(APPLE AND CMAKE_SYSTEM_NAME STREQUAL "Darwin")
  set_target_properties(draco_unity PROPERTIES BUNDLE true)
  endif()
  endif()