public BurstOutputCombination(string outputPath, MinMaxTargetCpu minMaxTargetCpu, string libraryName = DefaultLibraryName)
{
MinMaxTargetCpu = minMaxTargetCpu;
OutputPath = outputPath;
LibraryName = libraryName;
}
private static TargetPlatform GetTargetPlatformAndDefaultCpu(BuildTarget target, out MinMaxTargetCpu targetCpu)
{
var platform = TryGetTargetPlatform(target, out targetCpu);
if (!platform.HasValue)
{
throw new NotSupportedException("The target platform " + target + " is not supported by the burst compiler");
}
return(platform.Value);
}
private static TargetPlatform?TryGetTargetPlatform(BuildTarget target, out MinMaxTargetCpu targetCpu)
{
var aotSettingsForTarget = BurstPlatformAotSettings.GetOrCreateSettings(target);
// TODO: Add support for multi-CPU switch
targetCpu.min = TargetCpu.Auto;
targetCpu.max = TargetCpu.Auto;
switch (target)
{
case BuildTarget.StandaloneWindows:
targetCpu = aotSettingsForTarget.GetDesktopCpu32Bit();
return(TargetPlatform.Windows);
case BuildTarget.StandaloneWindows64:
targetCpu = aotSettingsForTarget.GetDesktopCpu64Bit();
return(TargetPlatform.Windows);
case BuildTarget.StandaloneOSX:
targetCpu = aotSettingsForTarget.GetDesktopCpu64Bit();
return(TargetPlatform.macOS);
#if !UNITY_2019_2_OR_NEWER
//32 bit linux support was deprecated
case BuildTarget.StandaloneLinux:
targetCpu = aotSettingsForTarget.GetDesktopCpu32Bit();
return(TargetPlatform.Linux);
#endif
case BuildTarget.StandaloneLinux64:
targetCpu = aotSettingsForTarget.GetDesktopCpu64Bit();
return(TargetPlatform.Linux);
case BuildTarget.WSAPlayer:
targetCpu = new MinMaxTargetCpu(TargetCpu.X64_SSE4);
return(TargetPlatform.UWP);
case BuildTarget.XboxOne:
targetCpu = new MinMaxTargetCpu(TargetCpu.X64_SSE4);
return(TargetPlatform.XboxOne);
case BuildTarget.PS4:
targetCpu = new MinMaxTargetCpu(TargetCpu.X64_SSE4);
return(TargetPlatform.PS4);
case BuildTarget.Android:
targetCpu = new MinMaxTargetCpu(TargetCpu.ARMV7A_NEON32);
return(TargetPlatform.Android);
case BuildTarget.iOS:
targetCpu = new MinMaxTargetCpu(TargetCpu.ARMV7A_NEON32);
return(TargetPlatform.iOS);
case BuildTarget.Lumin:
targetCpu = new MinMaxTargetCpu(TargetCpu.ARMV8A_AARCH64);
return(TargetPlatform.Lumin);
case BuildTarget.Switch:
targetCpu = new MinMaxTargetCpu(TargetCpu.ARMV8A_AARCH64);
return(TargetPlatform.Switch);
#if UNITY_2019_3_OR_NEWER
case BuildTarget.Stadia:
targetCpu = new MinMaxTargetCpu(TargetCpu.AVX2);
return(TargetPlatform.Stadia);
#endif
}
return(null);
}
/// <summary>
/// Collect CPU combinations for the specified TargetPlatform and TargetCPU
/// </summary>
/// <param name="targetPlatform">The target platform (e.g Windows)</param>
/// <param name="targetCpu">The target CPU (e.g X64_SSE4)</param>
/// <param name="report">Error reporting</param>
/// <returns>The list of CPU combinations</returns>
private static List <BurstOutputCombination> CollectCombinations(TargetPlatform targetPlatform, MinMaxTargetCpu targetCpu, BuildReport report)
{
var combinations = new List <BurstOutputCombination>();
if (targetPlatform == TargetPlatform.macOS)
{
// NOTE: OSX has a special folder for the plugin
// Declared in GetStagingAreaPluginsFolder
// PlatformDependent\OSXPlayer\Extensions\Managed\OSXDesktopStandalonePostProcessor.cs
#if UNITY_2019_3_OR_NEWER
combinations.Add(new BurstOutputCombination(Path.Combine(Path.GetFileName(report.summary.outputPath), "Contents", "Plugins"), targetCpu));
#else
combinations.Add(new BurstOutputCombination("UnityPlayer.app/Contents/Plugins", targetCpu));
#endif
}
else if (targetPlatform == TargetPlatform.iOS)
{
if (Application.platform != RuntimePlatform.OSXEditor)
{
Debug.LogWarning("Burst Cross Compilation to iOS for standalone player, is only supported on OSX Editor at this time, burst is disabled for this build.");
}
else
{
var targetArchitecture = (IOSArchitecture)UnityEditor.PlayerSettings.GetArchitecture(report.summary.platformGroup);
if (targetArchitecture == IOSArchitecture.ARMv7 || targetArchitecture == IOSArchitecture.Universal)
{
// PlatformDependent\iPhonePlayer\Extensions\Common\BuildPostProcessor.cs
combinations.Add(new BurstOutputCombination("StaticLibraries", new MinMaxTargetCpu(TargetCpu.ARMV7A_NEON32), DefaultLibraryName + "32"));
}
if (targetArchitecture == IOSArchitecture.ARM64 || targetArchitecture == IOSArchitecture.Universal)
{
// PlatformDependent\iPhonePlayer\Extensions\Common\BuildPostProcessor.cs
combinations.Add(new BurstOutputCombination("StaticLibraries", new MinMaxTargetCpu(TargetCpu.ARMV8A_AARCH64), DefaultLibraryName + "64"));
}
}
}
else if (targetPlatform == TargetPlatform.Android)
{
// TODO: would be better to query AndroidNdkRoot (but thats not exposed from unity)
string ndkRoot = null;
var targetAPILevel = PlayerSettings.Android.GetMinTargetAPILevel();
#if UNITY_2019_3_OR_NEWER && UNITY_ANDROID
ndkRoot = UnityEditor.Android.AndroidExternalToolsSettings.ndkRootPath;
#elif UNITY_2019_1_OR_NEWER
// 2019.1 now has an embedded ndk
if (EditorPrefs.HasKey("NdkUseEmbedded"))
{
if (EditorPrefs.GetBool("NdkUseEmbedded"))
{
ndkRoot = Path.Combine(BuildPipeline.GetPlaybackEngineDirectory(BuildTarget.Android, BuildOptions.None), "NDK");
}
else
{
ndkRoot = EditorPrefs.GetString("AndroidNdkRootR16b");
}
}
#elif UNITY_2018_3_OR_NEWER
// Unity 2018.3 is using NDK r16b
ndkRoot = EditorPrefs.GetString("AndroidNdkRootR16b");
#endif
// If we still don't have a valid root, try the old key
if (string.IsNullOrEmpty(ndkRoot))
{
ndkRoot = EditorPrefs.GetString("AndroidNdkRoot");
}
// Verify the directory at least exists, if not we fall back to ANDROID_NDK_ROOT current setting
if (!string.IsNullOrEmpty(ndkRoot) && !Directory.Exists(ndkRoot))
{
ndkRoot = null;
}
// Always set the ANDROID_NDK_ROOT (if we got a valid result from above), so BCL knows where to find the Android toolchain and its the one the user expects
if (!string.IsNullOrEmpty(ndkRoot))
{
Environment.SetEnvironmentVariable("ANDROID_NDK_ROOT", ndkRoot);
}
Environment.SetEnvironmentVariable("BURST_ANDROID_MIN_API_LEVEL", $"{targetAPILevel}");
var androidTargetArch = UnityEditor.PlayerSettings.Android.targetArchitectures;
if ((androidTargetArch & AndroidArchitecture.ARMv7) != 0)
{
combinations.Add(new BurstOutputCombination("libs/armeabi-v7a", new MinMaxTargetCpu(TargetCpu.ARMV7A_NEON32)));
}
if ((androidTargetArch & AndroidArchitecture.ARM64) != 0)
{
combinations.Add(new BurstOutputCombination("libs/arm64-v8a", new MinMaxTargetCpu(TargetCpu.ARMV8A_AARCH64)));
}
#if !UNITY_2019_2_OR_NEWER
if ((androidTargetArch & AndroidArchitecture.X86) != 0)
{
combinations.Add(new BurstOutputCombination("libs/x86", new MinMaxTargetCpu(TargetCpu.X86_SSE2)));
}
#endif
}
else if (targetPlatform == TargetPlatform.UWP)
{
// TODO: Make it configurable for x86 (sse2, sse4)
combinations.Add(new BurstOutputCombination("Plugins/x64", new MinMaxTargetCpu(TargetCpu.X64_SSE4)));
combinations.Add(new BurstOutputCombination("Plugins/x86", new MinMaxTargetCpu(TargetCpu.X86_SSE2)));
combinations.Add(new BurstOutputCombination("Plugins/ARM", new MinMaxTargetCpu(TargetCpu.THUMB2_NEON32)));
combinations.Add(new BurstOutputCombination("Plugins/ARM64", new MinMaxTargetCpu(TargetCpu.ARMV8A_AARCH64)));
}
else if (targetPlatform == TargetPlatform.Lumin)
{
// Set the LUMINSDK_UNITY so bcl.exe will be able to find the SDK
if (string.IsNullOrEmpty(Environment.GetEnvironmentVariable("LUMINSDK_UNITY")))
{
var sdkRoot = EditorPrefs.GetString("LuminSDKRoot");
if (!string.IsNullOrEmpty(sdkRoot))
{
Environment.SetEnvironmentVariable("LUMINSDK_UNITY", sdkRoot);
}
}
combinations.Add(new BurstOutputCombination("Data/Plugins/", targetCpu));
}
else if (targetPlatform == TargetPlatform.Switch)
{
combinations.Add(new BurstOutputCombination("NativePlugins/", targetCpu));
}
#if UNITY_2019_3_OR_NEWER
else if (targetPlatform == TargetPlatform.Stadia)
{
combinations.Add(new BurstOutputCombination("NativePlugins", targetCpu));
}
#endif
else
{
#if UNITY_2020_1_OR_NEWER
if (targetPlatform == TargetPlatform.Windows)
{
// This is what is expected by PlatformDependent\Win\Plugins.cpp
switch (targetCpu.max)
{
case TargetCpu.X86_SSE2:
case TargetCpu.X86_SSE4:
combinations.Add(new BurstOutputCombination("Data/Plugins/x86", targetCpu));
break;
case TargetCpu.X64_SSE2:
case TargetCpu.X64_SSE4:
case TargetCpu.AVX:
case TargetCpu.AVX2:
combinations.Add(new BurstOutputCombination("Data/Plugins/x86_64", targetCpu));
break;
default:
// Safeguard
combinations.Add(new BurstOutputCombination("Data/Plugins", targetCpu));
break;
}
}
else
#endif
{
// Safeguard
combinations.Add(new BurstOutputCombination("Data/Plugins/", targetCpu));
}
}
return(combinations);
}