Official iOS/iPadOS/visionOS/tvOS support

Sources/Voxelotl/Application.swift

@@ -53,7 +53,9 @@ public class Application {
     view = SDL_Metal_CreateView(window)
     do {
       let layer = unsafeBitCast(SDL_Metal_GetLayer(view), to: CAMetalLayer.self)
+#if os(macOS)
       layer.displaySyncEnabled = cfg.vsyncMode == .off ? false : true
+#endif
       self.renderer = try Renderer(layer: layer, size: Size<Int>(backBuffer))
     } catch RendererError.initFailure(let message) {
       printErr("Renderer init error: \(message)")

Sources/Voxelotl/Assets.xcassets/AppIconMobile.appiconset/Contents.json

@@ -0,0 +1,38 @@
+{
+  "images" : [
+    {
+      "filename" : "AppIconMobile1024x1024.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "AppIconMobile1024x1024 1.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "tinted"
+        }
+      ],
+      "filename" : "AppIconMobile1024x1024 2.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Sources/Voxelotl/CMakeLists.txt

@@ -80,6 +80,15 @@ set_source_files_properties(
 target_include_directories(Voxelotl PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}")
 target_link_libraries(Voxelotl PRIVATE SDLSwift)
 target_compile_definitions(Voxelotl PRIVATE $<$<CONFIG:Debug>:DEBUG>)
+
+if(VOXELOTL_MOBILE_ENABLED)
+  set(VOXELOTL_APPICON "AppIconMobile")
+  set(VOXELOTL_RPATH "@loader_path/Frameworks")
+else()
+  set(VOXELOTL_APPICON "AppIcon")
+  set(VOXELOTL_RPATH "@loader_path/../Frameworks")
+endif()
+
 set_target_properties(Voxelotl PROPERTIES
   XCODE_ATTRIBUTE_ENABLE_HARDENED_RUNTIME YES
   XCODE_ATTRIBUTE_PRODUCT_BUNDLE_IDENTIFIER "gay.pizza.voxelotl"
@@ -91,8 +100,8 @@ set_target_properties(Voxelotl PROPERTIES
   MACOSX_BUNDLE_SHORT_VERSION_STRING "${PROJECT_VERSION}"
   MACOSX_BUNDLE_GUI_IDENTIFIER "gay.pizza.voxelotl"
   MACOSX_BUNDLE_INFO_PLIST "${CMAKE_CURRENT_SOURCE_DIR}/Info.plist.in"
-  XCODE_ATTRIBUTE_ASSETCATALOG_COMPILER_APPICON_NAME "AppIcon"
+  XCODE_ATTRIBUTE_ASSETCATALOG_COMPILER_APPICON_NAME "${VOXELOTL_APPICON}"
-  BUILD_RPATH "@loader_path/../Frameworks"
+  BUILD_RPATH "${VOXELOTL_RPATH}"
   XCODE_ATTRIBUTE_SKIP_INSTALL "NO"
   XCODE_ATTRIBUTE_INSTALL_PATH "$(LOCAL_APPS_DIR)"
   XCODE_GENERATE_SCHEME ON
@@ -100,6 +109,14 @@ set_target_properties(Voxelotl PROPERTIES
   XCODE_ATTRIBUTE_CODE_SIGN_ENTITLEMENTS "${CMAKE_CURRENT_SOURCE_DIR}/Voxelotl.entitlements"
   MACOSX_BUNDLE_COPYRIGHT "© 2024 Gay Pizza Specifications")
 
+if(VOXELOTL_MOBILE_ENABLED)
+  set_target_properties(Voxelotl PROPERTIES
+    XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED "YES"
+    XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED "YES"
+    XCODE_ATTRIBUTE_TARGETED_DEVICE_FAMILY "1,2"
+  )
+endif()
+
 set_source_files_properties(Assets.xcassets PROPERTIES MACOSX_PACKAGE_LOCATION Resources)
 set_source_files_properties(module.modulemap PROPERTIES MACOSX_PACKAGE_LOCATION Modules)
 set_source_files_properties(test.png PROPERTIES MACOSX_PACKAGE_LOCATION Resources)

Sources/Voxelotl/Math/AABB.swift

@@ -52,7 +52,7 @@ public struct AABB {
 }
 
 public extension AABB {
-  public static func + (lhs: Self, rhs: SIMD3<Float>) -> Self {
+  static func + (lhs: Self, rhs: SIMD3<Float>) -> Self {
     .init(bounds: lhs._bounds + .init(rhs, rhs))
   }
 }

Sources/Voxelotl/Renderer/Renderer.swift

@@ -40,12 +40,16 @@ public class Renderer {
   }
 
   fileprivate static func createMetalDevice() -> MTLDevice? {
+#if os(macOS)
     MTLCopyAllDevices().reduce(nil, { best, dev in
       if best == nil { dev }
       else if !best!.isLowPower || dev.isLowPower { best }
       else if best!.supportsRaytracing || !dev.supportsRaytracing { best }
       else { dev }
     })
+#else
+    MTLCreateSystemDefaultDevice()
+#endif
   }
 
   internal init(layer metalLayer: CAMetalLayer, size: Size<Int>) throws {
@@ -56,6 +60,7 @@ public class Renderer {
       throw RendererError.initFailure("Failed to create Metal device")
     }
     self.device = device
+#if os(macOS)
     self._defaultStorageMode = if #available(macOS 100.100, iOS 12.0, *) {
       .storageModeShared
     } else if #available(macOS 10.15, iOS 13.0, *) {
@@ -64,6 +69,9 @@ public class Renderer {
       // https://developer.apple.com/documentation/metal/gpu_devices_and_work_submission/multi-gpu_systems/finding_multiple_gpus_on_an_intel-based_mac#3030770
       (self.device.isLowPower && !self.device.isRemovable) ? .storageModeShared : .storageModeManaged
     }
+#else
+    self._defaultStorageMode = .storageModeShared
+#endif
 
     layer.device = device
     layer.pixelFormat = colorFormat

Sources/Voxelotl/Resource/NSImageLoader.swift

@@ -1,4 +1,9 @@
+#if os(macOS)
 import AppKit
+#else
+import UIKit
+#endif
+
 
 struct NSImageLoader {
   private static let flipVertically = true
@@ -6,11 +11,19 @@ struct NSImageLoader {
   static func open(url: URL) throws -> Image2D {
     try autoreleasepool {
       // Open as a CoreGraphics image
+#if os(macOS)
       guard let nsImage = NSImage(contentsOf: url),
         let cgImage = nsImage.cgImage(forProposedRect: nil, context: nil, hints: nil)
       else {
         throw ImageLoaderError.openFailed("Failed to open image \"\(url.absoluteString)\"")
       }
+#else
+      guard let nsImage = UIImage(contentsOfFile: url.path(percentEncoded: false)),
+        let cgImage = nsImage.cgImage
+      else {
+        throw ImageLoaderError.openFailed("Failed to open image \"\(url.absoluteString)\"")
+      }
+#endif
 
       // Convert 8-bit ARGB (sRGB) w/ pre-multiplied alpha
       let alphaInfo = cgImage.alphaInfo == .none