feat: add visionOS support (#323)

* feat: define BX_PLATFORM_VISIONOS

* chore: add xros, xrsimulator toolchain support

include/bx/platform.h

@@ -59,6 +59,7 @@
 #define BX_PLATFORM_PS4        0
 #define BX_PLATFORM_PS5        0
 #define BX_PLATFORM_RPI        0
+#define BX_PLATFORM_VISIONOS   0
 #define BX_PLATFORM_WINDOWS    0
 #define BX_PLATFORM_WINRT      0
 #define BX_PLATFORM_XBOXONE    0
@@ -196,6 +197,9 @@
 	|| defined(__ENVIRONMENT_TV_OS_VERSION_MIN_REQUIRED__)
 #	undef  BX_PLATFORM_IOS
 #	define BX_PLATFORM_IOS 1
+#elif defined(__has_builtin) && __has_builtin(__is_target_os) && __is_target_os(xros)
+#  undef  BX_PLATFORM_VISIONOS
+#  define BX_PLATFORM_VISIONOS 1
 #elif defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
 #	undef  BX_PLATFORM_OSX
 #	define BX_PLATFORM_OSX __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
@@ -275,6 +279,7 @@
 	||  BX_PLATFORM_PS4        \
 	||  BX_PLATFORM_PS5        \
 	||  BX_PLATFORM_RPI        \
+	||  BX_PLATFORM_VISIONOS   \
 	)
 
 ///
@@ -291,6 +296,7 @@
 	||  BX_PLATFORM_PS4        \
 	||  BX_PLATFORM_PS5        \
 	||  BX_PLATFORM_RPI        \
+	||  BX_PLATFORM_VISIONOS   \
 	||  BX_PLATFORM_WINDOWS    \
 	||  BX_PLATFORM_WINRT      \
 	||  BX_PLATFORM_XBOXONE    \
@@ -380,6 +386,8 @@
 #	define BX_PLATFORM_NAME "Hurd"
 #elif BX_PLATFORM_IOS
 #	define BX_PLATFORM_NAME "iOS"
+#elif BX_PLATFORM_VISIONOS
+#  define BX_PLATFORM_NAME "visionOS"
 #elif BX_PLATFORM_LINUX
 #	define BX_PLATFORM_NAME "Linux"
 #elif BX_PLATFORM_NONE

include/bx/simd_t.h

@@ -39,6 +39,7 @@
 #elif   BX_COMPILER_CLANG \
 	&& !BX_PLATFORM_EMSCRIPTEN \
 	&& !BX_PLATFORM_IOS \
+	&& !BX_PLATFORM_VISIONOS \
 	&&  BX_CLANG_HAS_EXTENSION(attribute_ext_vector_type)
 #	undef  BX_SIMD_LANGEXT
 #	define BX_SIMD_LANGEXT 1

scripts/toolchain.lua

@@ -82,6 +82,8 @@ function toolchain(_buildDir, _libDir)
 			{ "ios-arm",         "iOS - ARM"                  },
 			{ "ios-arm64",       "iOS - ARM64"                },
 			{ "tvos-arm64",      "tvOS - ARM64"               },
+			{ "xros-arm64",      "visionOS ARM64"             },
+			{ "xros-simulator",  "visionOS - Simulator"       },
 			{ "mingw-gcc",       "MinGW"                      },
 			{ "mingw-clang",     "MinGW (clang compiler)"     },
 			{ "netbsd",          "NetBSD"                     },
@@ -114,6 +116,7 @@ function toolchain(_buildDir, _libDir)
 			{ "osx", "OSX" },
 			{ "ios", "iOS" },
 			{ "tvos", "tvOS" },
+			{ "xros", "visionOS" },
 		}
 	}
 
@@ -141,6 +144,12 @@ function toolchain(_buildDir, _libDir)
 		description = "Set tvOS target version (default: 9.0).",
 	}
 
+	newoption {
+		trigger     = "with-visionos",
+		value       = "#",
+		description = "Set visionOS target version (default: 1.0).",
+	}
+
 	newoption {
 		trigger = "with-windows",
 		value = "#",
@@ -193,6 +202,11 @@ function toolchain(_buildDir, _libDir)
 		tvosPlatform = _OPTIONS["with-tvos"]
 	end
 
+	local xrosPlatform = ""
+	if _OPTIONS["with-xros"] then
+		xrosPlatform = _OPTIONS["with-xros"]
+	end
+
 	local windowsPlatform = nil
 	if _OPTIONS["with-windows"] then
 		windowsPlatform = _OPTIONS["with-windows"]
@@ -253,6 +267,13 @@ function toolchain(_buildDir, _libDir)
 			premake.gcc.ar  = "ar"
 			location (path.join(_buildDir, "projects", _ACTION .. "-" .. _OPTIONS["gcc"]))
 
+		elseif "xros-arm64"     == _OPTIONS["gcc"]
+			or "xros-simulator" == _OPTIONS["gcc"] then
+			premake.gcc.cc  = "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang"
+			premake.gcc.cxx = "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++"
+			premake.gcc.ar  = "ar"
+			location (path.join(_buildDir, "projects", _ACTION .. "-" .. _OPTIONS["gcc"]))
+
 		elseif "tvos-arm64" == _OPTIONS["gcc"] then
 			premake.gcc.cc  = "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang"
 			premake.gcc.cxx = "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++"
@@ -432,6 +453,11 @@ function toolchain(_buildDir, _libDir)
 			action.xcode.tvOSTargetPlatformVersion = str_or(tvosPlatform, "9.0")
 			premake.xcode.toolset = "appletvos"
 			location (path.join(_buildDir, "projects", _ACTION .. "-tvos"))
+
+		elseif "xros" == _OPTIONS["xcode"] then
+			action.xcode.visionOSTargetPlatformVersion = str_or(xrosPlatform, "1.0")
+			premake.xcode.toolset = "xros"
+			location (path.join(_buildDir, "projects", _ACTION .. "-xros"))
 		end
 	end
 
@@ -997,6 +1023,45 @@ function toolchain(_buildDir, _libDir)
 			"-fembed-bitcode",
 		}
 
+	configuration { "xros*" }
+		linkoptions {
+			"-lc++",
+		}
+		buildoptions {
+			"-Wfatal-errors",
+			"-Wunused-value",
+			"-Wundef",
+		}
+		includedirs { path.join(bxDir, "include/compat/ios") }
+
+	configuration { "xros-arm64" }
+		targetdir (path.join(_buildDir, "xros-arm64/bin"))
+		objdir (path.join(_buildDir, "xros-arm64/obj"))
+		libdirs { path.join(_libDir, "lib/xros-arm64") }
+		linkoptions {
+			"--sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS" ..xrosPlatform.. ".sdk",
+			"-L/Applications/Xcode.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS" ..xrosPlatform .. ".sdk/usr/lib/system",
+			"-F/Applications/Xcode.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS" ..xrosPlatform .. ".sdk/System/Library/Frameworks",
+			"-F/Applications/Xcode.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS" ..xrosPlatform .. ".sdk/System/Library/PrivateFrameworks",
+		}
+		buildoptions {
+			"--sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS" ..tvosPlatform .. ".sdk",
+		}
+
+	configuration { "xros-simulator" }
+		targetdir (path.join(_buildDir, "xros-simulator/bin"))
+		objdir (path.join(_buildDir, "xros-simulator/obj"))
+		libdirs { path.join(_libDir, "lib/xros-simulator") }
+
+		linkoptions {
+			"--sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/XRSimulator.platform/Developer/SDKs/XRSimulator" ..xrosPlatform.. ".sdk",
+			"-L/Applications/Xcode.app/Contents/Developer/Platforms/XRSimulator.platform/Developer/SDKs/XRSimulator" ..xrosPlatform .. ".sdk/usr/lib/system",
+			"-F/Applications/Xcode.app/Contents/Developer/Platforms/XRSimulator.platform/Developer/SDKs/XRSimulator" ..xrosPlatform .. ".sdk/System/Library/Frameworks",
+		}
+		buildoptions {
+			"--sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/XRSimulator.platform/Developer/SDKs/XRSimulator" ..xrosPlatform .. ".sdk",
+		}
+
 	configuration { "tvos*" }
 		linkoptions {
 			"-lc++",

src/debug.cpp

@@ -16,7 +16,7 @@
 	|| BX_PLATFORM_WINRT   \
 	|| BX_PLATFORM_XBOXONE
 extern "C" __declspec(dllimport) void __stdcall OutputDebugStringA(const char* _str);
-#elif BX_PLATFORM_IOS || BX_PLATFORM_OSX
+#elif BX_PLATFORM_IOS || BX_PLATFORM_OSX || BX_PLATFORM_VISIONOS
 #	if defined(__OBJC__)
 #		import <Foundation/NSObjCRuntime.h>
 #	else
@@ -73,7 +73,8 @@ namespace bx
 	|| BX_PLATFORM_XBOXONE
 		OutputDebugStringA(_out);
 #elif  BX_PLATFORM_IOS \
-	|| BX_PLATFORM_OSX
+	|| BX_PLATFORM_OSX   \
+	|| BX_PLATFORM_VISIONOS
 #	if defined(__OBJC__)
 		NSLog(@"%s", _out);
 #	else

src/file.cpp

@@ -74,7 +74,8 @@ namespace bx
 	  || BX_PLATFORM_ANDROID    \
 	  || BX_PLATFORM_EMSCRIPTEN \
 	  || BX_PLATFORM_IOS        \
-	  || BX_PLATFORM_OSX
+	  || BX_PLATFORM_OSX        \
+	  || BX_PLATFORM_VISIONOS
 #		define fseeko64 fseeko
 #		define ftello64 ftello
 #	elif BX_PLATFORM_PS4

src/mutex.cpp

@@ -16,7 +16,8 @@
 	|| BX_PLATFORM_OSX     \
 	|| BX_PLATFORM_PS4     \
 	|| BX_PLATFORM_RPI	   \
-	|| BX_PLATFORM_NX
+	|| BX_PLATFORM_NX      \
+	|| BX_PLATFORM_VISIONOS
 #	include <pthread.h>
 #elif  BX_PLATFORM_WINDOWS \
 	|| BX_PLATFORM_WINRT   \

src/os.cpp

@@ -26,11 +26,13 @@
 	|| BX_PLATFORM_NX         \
 	|| BX_PLATFORM_OSX        \
 	|| BX_PLATFORM_PS4        \
-	|| BX_PLATFORM_RPI
+	|| BX_PLATFORM_RPI        \
+	|| BX_PLATFORM_VISIONOS
 #	include <sched.h> // sched_yield
 #	if BX_PLATFORM_IOS       \
 	|| BX_PLATFORM_OSX       \
-	|| BX_PLATFORM_PS4
+	|| BX_PLATFORM_PS4       \
+	|| BX_PLATFORM_VISIONOS
 #		include <pthread.h> // mach_port_t
 #	endif // BX_PLATFORM_*
 

src/semaphore.cpp

@@ -9,7 +9,8 @@
 
 #if BX_CRT_NONE
 #elif  BX_PLATFORM_OSX \
-	|| BX_PLATFORM_IOS
+	|| BX_PLATFORM_IOS   \
+	|| BX_PLATFORM_VISIONOS
 #	include <dispatch/dispatch.h>
 #elif BX_PLATFORM_POSIX
 #	include <errno.h>
@@ -36,7 +37,8 @@ namespace bx
 #if BX_CRT_NONE
 
 #elif  BX_PLATFORM_OSX \
-	|| BX_PLATFORM_IOS
+	|| BX_PLATFORM_IOS   \
+	|| BX_PLATFORM_VISIONOS
 		dispatch_semaphore_t m_handle;
 #elif BX_PLATFORM_POSIX
 		pthread_mutex_t m_mutex;
@@ -70,7 +72,8 @@ namespace bx
 		return false;
 	}
 #elif  BX_PLATFORM_OSX \
-	|| BX_PLATFORM_IOS
+	|| BX_PLATFORM_IOS   \
+	|| BX_PLATFORM_VISIONOS
 
 	Semaphore::Semaphore()
 	{

src/thread.cpp

@@ -20,7 +20,8 @@
 	|| BX_PLATFORM_OSX     \
 	|| BX_PLATFORM_PS4     \
 	|| BX_PLATFORM_RPI     \
-	|| BX_PLATFORM_NX
+	|| BX_PLATFORM_NX      \
+	|| BX_PLATFORM_VISIONOS
 #	include <pthread.h>
 #	if BX_PLATFORM_LINUX && (BX_CRT_GLIBC < 21200)
 #		include <sys/prctl.h>
@@ -243,7 +244,8 @@ namespace bx
 #if BX_CRT_NONE
 		BX_UNUSED(_name);
 #elif  BX_PLATFORM_OSX \
-	|| BX_PLATFORM_IOS
+	|| BX_PLATFORM_IOS   \
+	|| BX_PLATFORM_VISIONOS
 		pthread_setname_np(_name);
 #elif (BX_CRT_GLIBC >= 21200)
 		pthread_setname_np(ti->m_handle, _name);