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Metal tvOS xcode26.0 b2

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Rolf Bjarne Kvinge edited this page Jul 18, 2025 · 2 revisions

#Metal.framework https://github.com/dotnet/macios/pull/23355

diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4BinaryFunction.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4BinaryFunction.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4BinaryFunction.h	2025-05-28 02:49:13
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4BinaryFunction.h	2025-06-16 00:56:33
@@ -16,11 +16,6 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-/// Represents reflection information for a binary function.
-MTL_EXPORT
-API_AVAILABLE(macos(26.0), ios(26.0))
-@interface MTL4BinaryFunctionReflection : NSObject
-@end
 
 /// Represents a binary function.
 ///
@@ -31,8 +26,6 @@
 /// Obtains the optional name of this binary function.
 @property (nullable, readonly) NSString* name;
 
-/// Obtains reflection information for this binary function.
-@property (nullable, readonly) MTL4BinaryFunctionReflection* reflection;
 
 /// Describes the type of this binary function.
 @property (readonly) MTLFunctionType functionType;
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4BufferRange.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4BufferRange.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4BufferRange.h	1969-12-31 19:00:00
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4BufferRange.h	2025-06-16 00:56:28
@@ -0,0 +1,76 @@
+//
+//  MTL4BufferRange.h
+//  Metal
+//
+//  Copyright (c) 2025 Apple Inc. All rights reserved.
+//
+
+#ifdef __METAL_VERSION__
+
+#import <metal_stdlib>
+
+#else
+
+#include <stdint.h>
+
+#ifndef _WIN32
+#import <Metal/MTLDefines.h>
+#else
+#include <Metal/MTLDefines.h>
+#endif // _WIN32
+
+#endif
+
+/**
+ * @brief A struct representing a range of a Metal buffer. The offset into the buffer is included in the address.
+ * The length is generally optional, which a value of (uint64_t)-1 representing the range from the given address to
+ * the end of the buffer. However, providing the length can enable more accurate API validation, especially when
+ * sub-allocating ranges of a buffer.
+ */
+typedef struct MTL4BufferRange {
+    /**
+     * @brief Buffer address returned by the gpuAddress property of an MTLBuffer plus any offset into the buffer
+     */
+    uint64_t bufferAddress;
+
+    /**
+     * @brief Length of the region which begins at the given address. If the length is not known, a value of
+     * (uint64_t)-1 represents the range from the given address to the end of the buffer.
+     */
+    uint64_t length;
+
+#ifdef __cplusplus
+    MTL4BufferRange()
+        : bufferAddress(0),
+          length(0)
+    {
+    }
+
+    MTL4BufferRange(uint64_t bufferAddress)
+        : bufferAddress(bufferAddress),
+          length((uint64_t)-1)
+    {
+    }
+
+    MTL4BufferRange(uint64_t bufferAddress, uint64_t length)
+        : bufferAddress(bufferAddress),
+          length(length)
+    {
+    }
+#endif
+} MTL4BufferRange;
+
+#ifndef __METAL_VERSION__
+/**
+ * @brief Create a buffer range from a buffer's GPU address (given by the gpuAddress property) and length. A length of
+ * (uint64_t)-1 represents the the range from the given address to the end of the buffer.
+ */
+MTL_INLINE MTL4BufferRange MTL4BufferRangeMake(uint64_t bufferAddress, uint64_t length) {
+    MTL4BufferRange range;
+
+    range.bufferAddress = bufferAddress;
+    range.length = length;
+    
+    return range;
+}
+#endif
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4CommandBuffer.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4CommandBuffer.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4CommandBuffer.h	2025-05-28 02:54:17
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4CommandBuffer.h	2025-06-16 00:56:30
@@ -11,6 +11,7 @@
 #import <Metal/MTLDefines.h>
 #import <Metal/MTLCommandBuffer.h>
 #import <Metal/MTL4RenderCommandEncoder.h>
+#import <Metal/MTL4BufferRange.h>
 
 
 NS_ASSUME_NONNULL_BEGIN
@@ -172,10 +173,11 @@
                        atIndex:(NSUInteger) index
 API_AVAILABLE(macos(26.0), ios(26.0));
 
+
 /// Encodes a command that resolves an opaque counter heap into a buffer.
 ///
 /// The command this method encodes converts the data within `counterHeap` into a common format
-/// and stores it into the `buffer` parameter.
+/// and stores it into the `bufferRange` parameter.
 ///
 /// The command places each entry in the counter heap within `range` sequentially, starting at `alignedOffset`.
 /// Each entry needs to be a fixed size that you can query by calling the
@@ -187,10 +189,10 @@
 /// - Note: Your app needs ensure the GPU places data in the heap before you resolve it by
 /// synchronizing this stage with other GPU operations.
 ///
-/// Similarly, your app needs to synchronize any GPU accesses to `buffer` after
+/// Similarly, your app needs to synchronize any GPU accesses to `bufferRange` after
 /// the command completes with barrier.
 ///
-/// If your app needs to access `buffer` from the CPU, signal an ``MTLSharedEvent``
+/// If your app needs to access `bufferRange` from the CPU, signal an ``MTLSharedEvent``
 /// to notify the CPU when it's ready.
 /// Alternatively, you can resolve the heap's data from the CPU by calling
 /// the heap's ``MTL4CounterHeap/resolveCounterRange:`` method.
@@ -198,14 +200,12 @@
 /// - Parameters:
 ///   - counterHeap: A heap the command resolves.
 ///   - range: A range of index values within the heap the command resolves.
-///   - buffer: A buffer the command saves the data it resolves into.
-///   - alignedOffset: An offset within `buffer` that indicates where the command begins writing the data.
+///   - bufferRange: The buffer the command saves the data it resolves into.
 ///   - fenceToWait: A fence the GPU waits for before starting, if applicable; otherwise `nil`.
 ///   - fenceToUpdate: A fence the system updates after the command finishes resolving the data; otherwise `nil`.
  - (void)resolveCounterHeap:(id<MTL4CounterHeap>)counterHeap
                   withRange:(NSRange)range
-                 intoBuffer:(id<MTLBuffer>)buffer
-                   atOffset:(NSUInteger)alignedOffset
+                 intoBuffer:(MTL4BufferRange)bufferRange
                   waitFence:(nullable id<MTLFence>)fenceToWait
                 updateFence:(nullable id<MTLFence>)fenceToUpdate
  API_AVAILABLE(macos(26.0), ios(26.0));
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4CommandQueue.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4CommandQueue.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4CommandQueue.h	2025-05-28 02:01:31
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4CommandQueue.h	2025-06-16 00:56:32
@@ -118,7 +118,7 @@
     /// The starting offset in the heap, in tiles.
     NSUInteger heapOffset;
 
-} MTL4UpdateSparseTextureMappingOperation;
+} MTL4UpdateSparseTextureMappingOperation API_AVAILABLE(macos(26.0), ios(26.0));
 
 /// Groups together arguments for an operation to copy a sparse texture mapping.
 typedef struct
@@ -150,7 +150,7 @@
     /// Provide `0` in this member if the texture type is not an array.
     NSUInteger destinationSlice;
 
-} MTL4CopySparseTextureMappingOperation;
+} MTL4CopySparseTextureMappingOperation API_AVAILABLE(macos(26.0), ios(26.0));
 
 /// Groups together arguments for an operation to update a sparse buffer mapping.
 typedef struct
@@ -171,7 +171,7 @@
     /// The starting offset in the heap, in tiles.
     NSUInteger heapOffset;
 
-} MTL4UpdateSparseBufferMappingOperation;
+} MTL4UpdateSparseBufferMappingOperation API_AVAILABLE(macos(26.0), ios(26.0));
 
 /// Groups together arguments for an operation to copy a sparse buffer mapping.
 typedef struct
@@ -183,7 +183,7 @@
     
     /// The origin in the destination buffer, in tiles.
     NSUInteger destinationOffset;
-} MTL4CopySparseBufferMappingOperation;
+} MTL4CopySparseBufferMappingOperation API_AVAILABLE(macos(26.0), ios(26.0));
 
 /// An abstraction representing a command queue that you use commit and synchronize command buffers and to
 /// perform other GPU operations.
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4CommitFeedback.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4CommitFeedback.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4CommitFeedback.h	2025-05-28 02:49:13
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4CommitFeedback.h	2025-06-16 00:56:33
@@ -12,6 +12,8 @@
 #import <Metal/MTLDefines.h>
 
 
+NS_ASSUME_NONNULL_BEGIN
+
 @protocol MTL4CommitFeedback;
 
 /// Defines the block signature for a callback Metal invokes to provide your app feedback after completing a workload.
@@ -22,14 +24,14 @@
 /// method.
 ///
 /// - Parameter commitFeedback: a commit feedback instance containing information about the workload.
-typedef void (^ NS_SWIFT_SENDABLE MTL4CommitFeedbackHandler)(id<MTL4CommitFeedback> commitFeedback);
+typedef void (^ NS_SWIFT_SENDABLE MTL4CommitFeedbackHandler)(id<MTL4CommitFeedback> commitFeedback) API_AVAILABLE(macos(26.0), ios(26.0));
 
 /// Describes an object containing debug information from Metal to your app after completing a workload.
 API_AVAILABLE(macos(26.0), ios(26.0))
 @protocol MTL4CommitFeedback <NSObject>
 
 /// A description of an error when the GPU encounters an issue as it runs the committed command buffers.
-@property (readonly, nonatomic) NSError *error;
+@property (readonly, nonatomic, nullable) NSError *error;
 
 /// The host time, in seconds, when the GPU starts execution of the committed command buffers.
 @property (readonly, nonatomic) CFTimeInterval GPUStartTime;
@@ -38,6 +40,8 @@
 @property (readonly, nonatomic) CFTimeInterval GPUEndTime;
 
 @end
+
+NS_ASSUME_NONNULL_END
 
 
 #endif // MTL4CommitFeedback_h
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4Compiler.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4Compiler.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4Compiler.h	2025-05-28 02:49:11
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4Compiler.h	2025-06-16 02:25:13
@@ -366,8 +366,6 @@
 - (id<MTL4CompilerTask>)newMachineLearningPipelineStateWithDescriptor:(MTL4MachineLearningPipelineDescriptor *)descriptor
                                                     completionHandler:(MTL4NewMachineLearningPipelineStateCompletionHandler)completionHandler;
 
-/// Cancels all pending compiler tasks for this compiler.
-- (void)cancel;
 
 @end
 
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4ComputePipeline.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4ComputePipeline.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4ComputePipeline.h	2025-05-28 02:49:10
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4ComputePipeline.h	2025-06-16 00:56:29
@@ -18,42 +18,49 @@
 @protocol MTL4BinaryFunction;
 @protocol MTLDynamicLibrary;
 @class MTL4FunctionDescriptor;
-@class MTL4LinkedFunctions;
 @class MTLComputePipelineReflection;
 @class MTL4StaticLinkingDescriptor;
 
-/// Descriptor defining how a compute pipeline state would be created.
+/// Describes a compute pipeline state.
 MTL_EXPORT
 API_AVAILABLE(macos(26.0), ios(26.0))
 @interface MTL4ComputePipelineDescriptor : MTL4PipelineDescriptor
 
-/// A function descriptor representing the function that will be executed by the compute pipeline.
+/// A descriptor representing the compute pipeline's function.
+///
+/// You don't assign instances of ``MTL4FunctionDescriptor`` to this property directly, instead
+/// assign an instance of one of its subclasses, such as ``MTL4LibraryFunctionDescriptor``, which
+/// represents a function from a Metal library.
 @property (nullable, readwrite, nonatomic, copy) MTL4FunctionDescriptor* computeFunctionDescriptor;
 
 /// A boolean value indicating whether each dimension of the threadgroup size is a multiple of its
 /// corresponding thread execution width.
 @property (readwrite, nonatomic) BOOL threadGroupSizeIsMultipleOfThreadExecutionWidth;
 
-/// The maximum total number of threads that can be executing in a single threadgroup for the
+/// The maximum total number of threads that Metal can execute in a single threadgroup for the
 /// compute function.
 @property (readwrite, nonatomic) NSUInteger maxTotalThreadsPerThreadgroup;
 
-/// Sets the required threads-per-threadgroup during dispatches. The `threadsPerThreadgroup` argument of any dispatch must match this value if it is set.
-/// Optional, unless the pipeline is going to use CooperativeTensors in which case this must be set.
-/// Setting this to a size of 0 in every dimension disables this property
+/// The required number of threads per threadgroup for compute dispatches.
+///
+/// When you set this value, you are responsible for ensuring that the `threadsPerThreadgroup` argument of any compute
+/// dispatch matches it.
+///
+/// Setting this property is optional, except in cases where the pipeline uses *CooperativeTensors*.
+///
+/// This property's default value is `0`, which disables its effect.
 @property(readwrite, nonatomic) MTLSize requiredThreadsPerThreadgroup;
 
-/// A boolean value indicating whether the compute pipeline should support adding binary functions.
+/// A boolean value indicating whether the compute pipeline supports linking binary functions.
 @property (readwrite, nonatomic) BOOL supportBinaryLinking;
 
-/// An object that contains information about functions that are linked to the compute pipeline
-/// during creation.
+/// An object that contains information about functions to link to the compute pipeline.
 @property (nullable, copy, nonatomic) MTL4StaticLinkingDescriptor* staticLinkingDescriptor;
 
-/// A value indicating whether the pipeline should support indirect command buffers.
+/// A value indicating whether the pipeline supports Metal indirect command buffers.
 @property (readwrite, nonatomic) MTL4IndirectCommandBufferSupportState supportIndirectCommandBuffers;
 
-/// Resets the descriptor to the default values.
+/// Resets the descriptor to its default values.
 - (void)reset;
 @end
 
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4Counters.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4Counters.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4Counters.h	2025-05-28 02:54:17
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4Counters.h	2025-06-16 00:56:30
@@ -59,7 +59,7 @@
 /// Assigns the number of entries in the heap.
 ///
 /// Each entry represents one item in the heap. The size of the individual entries depends on the heap type.
-@property (nonatomic) NSUInteger entryCount;
+@property (nonatomic) NSUInteger count;
 
 @end
 
@@ -82,7 +82,7 @@
 ///
 /// This method resolves heap data in the CPU timeline. Your app needs to ensure the GPU work has completed in order to
 /// retrieve the data correctly. You can alternatively resolve the heap data in the GPU timeline by calling
-/// ``MTL4CommandBuffer/resolveCounterHeap:withRange:intoBuffer:atOffset:waitFence:updateFence:``.
+/// ``MTL4CommandBuffer/resolveCounterHeap:withRange:intoBuffer:waitFence:updateFence:``.
 ///
 /// - Note: When resolving counters in the CPU timeline, signaling an instance of ``MTLSharedEvent`` after any workloads
 ///  write counters (and waiting on that signal on the CPU) is sufficient to ensure synchronization.
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4LinkedFunctions.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4LinkedFunctions.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4LinkedFunctions.h	2025-05-28 02:49:12
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4LinkedFunctions.h	1969-12-31 19:00:00
@@ -1,47 +0,0 @@
-//
-//  MTL4LinkedFunctions.h
-//  Metal
-//
-//  Copyright © 2024 Apple, Inc. All rights reserved.
-//
-
-#ifndef MTL4LinkedFunctions_h
-#define MTL4LinkedFunctions_h
-
-#import <Metal/MTLDefines.h>
-
-#import <Metal/MTL4BinaryFunction.h>
-#import <Metal/MTL4FunctionDescriptor.h>
-#import <Metal/MTLTypes.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-/// Groups together functions to link.
-MTL_EXPORT
-API_AVAILABLE(macos(26.0), ios(26.0))
-@interface MTL4LinkedFunctions : NSObject<NSCopying>
-
-/// Provides an array of functions to link at the Metal IR level.
-@property (readwrite, nonatomic, copy, nullable) NSArray<MTL4FunctionDescriptor*>* functionDescriptors;
-
-/// Provides an array of binary functions to link.
-@property (readwrite, nonatomic, copy, nullable) NSArray<id<MTL4BinaryFunction>>* binaryFunctions;
-
-/// Provides an array of private functions to link at the Metal IR level.
-///
-///
-/// You specify private functions to link separately from ``functionDescriptors`` because pipelines don't export private
-/// functions as ``MTLFunctionHandle`` instances.
-/// - Note: You can link private functions even when your ``MTLDevice`` doesn't support function pointers.
-@property (readwrite, nonatomic, copy, nullable) NSArray<MTL4FunctionDescriptor*>* privateFunctionDescriptors;
-
-/// Assigns groups of functions to match call-site attributes in shader code.
-///
-/// Function groups help the compiler reduce the number of candidate functions it needs to evaluate for shader function
-/// calls, potentially increasing runtime performance.
-@property (readwrite, nonatomic, copy, nullable) NSDictionary<NSString*, NSArray<MTL4FunctionDescriptor*>*>* groups;
-@end
-
-NS_ASSUME_NONNULL_END
-
-#endif // MTL4LinkedFunctions_h
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4MachineLearningCommandEncoder.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4MachineLearningCommandEncoder.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4MachineLearningCommandEncoder.h	2025-05-28 02:49:12
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4MachineLearningCommandEncoder.h	2025-06-16 00:56:32
@@ -19,7 +19,7 @@
 @protocol MTL4ArgumentTable;
 @protocol MTL4MachineLearningPipelineState;
 
-/// Encodes commands for dispatching machine learning networks on the GPU.
+/// Encodes commands for dispatching machine learning networks on Apple silicon.
 API_AVAILABLE(macos(26.0), ios(26.0))
 @protocol MTL4MachineLearningCommandEncoder <MTL4CommandEncoder>
 
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4PipelineDataSetSerializer.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4PipelineDataSetSerializer.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4PipelineDataSetSerializer.h	2025-05-28 02:54:17
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4PipelineDataSetSerializer.h	2025-06-16 00:56:30
@@ -19,21 +19,19 @@
 ///
 /// You can combine these values via a logical `OR` and set it to ``MTL4PipelineDataSetSerializerDescriptor/configuration``
 /// to specify desired level of serialization support for instances of ``MTL4PipelineDataSetSerializer``.
-API_AVAILABLE(macos(26.0), ios(26.0))
 typedef NS_OPTIONS(NSInteger, MTL4PipelineDataSetSerializerConfiguration) {
     /// Enables serializing pipeline scripts.
     ///
     /// Set this mask to use ``MTL4PipelineDataSetSerializer.serializeAsPipelinesScriptWithError``.
     ///
     /// This for the default behavior.
-    MTL4PipelineDataSetSerializerConfigurationCaptureDescriptors = 0,
+    MTL4PipelineDataSetSerializerConfigurationCaptureDescriptors = (1 << 0),
     
     /// Enables serializing pipeline binary functions.
     ///
     /// Set this mask to use ``MTL4PipelineDataSetSerializer.serializeAsArchiveAndFlush(toURL:error:)``.
-    MTL4PipelineDataSetSerializerConfigurationCaptureBinaries = 1,
-    
-};
+    MTL4PipelineDataSetSerializerConfigurationCaptureBinaries = (1 << 1),
+} API_AVAILABLE(macos(26.0), ios(26.0));
 
 /// Groups together properties to create a pipeline data set serializer.
 MTL_EXPORT
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4PipelineState.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4PipelineState.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4PipelineState.h	2025-05-28 02:49:12
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4PipelineState.h	2025-06-16 00:56:32
@@ -76,9 +76,6 @@
     MTL4IndirectCommandBufferSupportStateEnabled  = 1,
 } API_AVAILABLE(macos(26.0), ios(26.0));
 
-/// Constant to specify discarding a color attachment's index in a remap operation.
-MTL_EXTERN const NSUInteger MTLRenderTargetRemapIndexDiscard;
-
 /// Provides options controlling how to compile a pipeline state.
 ///
 /// You provide these options through the ``MTL4PipelineDescriptor`` class at compilation time.
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4RenderCommandEncoder.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4RenderCommandEncoder.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4RenderCommandEncoder.h	2025-05-28 04:53:30
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4RenderCommandEncoder.h	2025-06-16 00:56:32
@@ -70,7 +70,7 @@
 /// <doc://com.apple.documentation/documentation/swift/true>.
 ///
 /// - Parameter mapping: Mapping from logical shader outputs to physical outputs.
-- (void)setColorAttachmentMap:(MTLLogicalToPhysicalColorAttachmentMap *)mapping;
+- (void)setColorAttachmentMap:(nullable MTLLogicalToPhysicalColorAttachmentMap *)mapping;
 
 /// Configures this encoder with a render pipeline state that applies to your subsequent draw commands.
 ///
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4RenderPipeline.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4RenderPipeline.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4RenderPipeline.h	2025-05-28 02:01:30
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTL4RenderPipeline.h	2025-06-16 00:56:30
@@ -19,7 +19,6 @@
 NS_ASSUME_NONNULL_BEGIN
 
 @class MTL4FunctionDescriptor;
-@class MTL4LinkedFunctions;
 @protocol MTL4BinaryFunction;
 @class MTL4StaticLinkingDescriptor;
 
@@ -119,23 +118,6 @@
 - (void)reset;
 @end
 
-/// Allows you to easily specify color attachment remapping from logical to physical indices.
-MTL_EXPORT
-API_AVAILABLE(macos(26.0), ios(26.0))
-@interface MTLLogicalToPhysicalColorAttachmentMap : NSObject<NSCopying>
-
-/// Maps a physical color attachment index to a logical index.
-///
-/// - Parameters:
-///   - physicalIndex: index of the color attachment's physical mapping.
-///   - logicalIndex: index of the color attachment's logical mapping.
-- (void)setPhysicalIndex:(NSUInteger)physicalIndex forLogicalIndex:(NSUInteger)logicalIndex;
-
-/// Queries the physical color attachment index corresponding to a logical index.
-- (NSUInteger)getPhysicalIndexForLogicalIndex:(NSUInteger)logicalIndex;
-
-- (void)reset;
-@end
 
 @protocol MTL4BinaryFunction;
 @class MTLVertexDescriptor;
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLAccelerationStructureTypes.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLAccelerationStructureTypes.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLAccelerationStructureTypes.h	2025-05-28 04:53:26
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLAccelerationStructureTypes.h	2025-06-16 02:47:25
@@ -6,8 +6,15 @@
 #else
 #include <math.h>
 #include <stdint.h>
+
+#ifndef _WIN32
 #import <Metal/MTLDefines.h>
+#else
+#include <Metal/MTLDefines.h>
+#endif // _WIN32
 
+#include <Metal/MTL4BufferRange.h>
+
 typedef struct _MTLPackedFloat3 {
     union {
         struct {
@@ -215,57 +222,3 @@
      */
     MTLPackedFloat3 translation;
 } MTLComponentTransform;
-
-/**
- * @brief A struct representing a range of a Metal buffer. The offset into the buffer is included in the address.
- * The length is generally optional, which a value of (uint64_t)-1 representing the range from the given address to
- * the end of the buffer. However, providing the length can enable more accurate API validation, especially when
- * sub-allocating ranges of a buffer.
- */
-typedef struct MTL4BufferRange {
-    /**
-     * @brief Buffer address returned by the gpuAddress property of an MTLBuffer plus any offset into the buffer
-     */
-    uint64_t bufferAddress;
-
-    /**
-     * @brief Length of the region which begins at the given address. If the length is not known, a value of
-     * (uint64_t)-1 represents the range from the given address to the end of the buffer.
-     */
-    uint64_t length;
-
-#ifdef __cplusplus
-    MTL4BufferRange()
-        : bufferAddress(0),
-          length(0)
-    {
-    }
-
-    MTL4BufferRange(uint64_t bufferAddress)
-        : bufferAddress(bufferAddress),
-          length((uint64_t)-1)
-    {
-    }
-
-    MTL4BufferRange(uint64_t bufferAddress, uint64_t length)
-        : bufferAddress(bufferAddress),
-          length(length)
-    {
-    }
-#endif
-} MTL4BufferRange;
-
-#ifndef __METAL_VERSION__
-/**
- * @brief Create a buffer range from a buffer's GPU address (given by the gpuAddress property) and length. A length of
- * (uint64_t)-1 represents the the range from the given address to the end of the buffer.
- */
-MTL_INLINE MTL4BufferRange MTL4BufferRangeMake(uint64_t bufferAddress, uint64_t length) {
-    MTL4BufferRange range;
-
-    range.bufferAddress = bufferAddress;
-    range.length = length;
-    
-    return range;
-}
-#endif
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLDevice.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLDevice.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLDevice.h	2025-05-28 02:49:10
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLDevice.h	2025-06-16 02:25:11
@@ -1370,7 +1370,7 @@
 /// your app resolves it into a usable format.
 ///
 /// In order to use the data available in a ``MTL4CounterHeap``, your app first resolves it either in the CPU timeline
-/// or in the GPU timeline. When your app calls ``MTL4CommandBuffer/resolveCounterHeap:withRange:intoBuffer:atOffset:waitFence:updateFence:``
+/// or in the GPU timeline. When your app calls ``MTL4CommandBuffer/resolveCounterHeap:withRange:intoBuffer:waitFence:updateFence:``
 /// to resolve counter data in the GPU timeline, Metal writes the data into a ``MTLBuffer``.
 ///
 /// During this process, Metal transform the data in the heap into a format consisting of entries of the size
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLRenderCommandEncoder.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLRenderCommandEncoder.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLRenderCommandEncoder.h	2025-05-28 02:49:11
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLRenderCommandEncoder.h	2025-06-16 02:25:12
@@ -25,6 +25,8 @@
 @protocol MTLTexture;
 @protocol MTLRenderPipelineState;
 
+@class MTLLogicalToPhysicalColorAttachmentMap;
+
 typedef NS_ENUM(NSUInteger, MTLPrimitiveType) {
     MTLPrimitiveTypePoint = 0,
     MTLPrimitiveTypeLine = 1,
@@ -1049,5 +1051,21 @@
 -(void)sampleCountersInBuffer:(id<MTLCounterSampleBuffer>)sampleBuffer
                 atSampleIndex:(NSUInteger)sampleIndex
                   withBarrier:(BOOL)barrier API_AVAILABLE(macos(10.15), ios(14.0));
+
+
+/// Sets the mapping from logical shader color output to physical render pass color attachments.
+///
+/// Use this method to define how the physical color attachments you specify via ``MTLRenderPassDescriptor/colorAttachments``
+/// map to the logical color output the fragment shader writes to.
+///
+/// To use this feature, make sure to set ``MTLRenderPassDescriptor/supportColorAttachmentMapping`` to
+/// <doc://com.apple.documentation/documentation/swift/true>.
+///
+/// - Parameter mapping: Mapping from logical shader outputs to physical outputs.
+- (void)setColorAttachmentMap:(nullable MTLLogicalToPhysicalColorAttachmentMap *)mapping
+API_AVAILABLE(macos(26.0), ios(26.0));
+
+
+
 @end
 NS_ASSUME_NONNULL_END
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLRenderPass.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLRenderPass.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLRenderPass.h	2025-05-28 02:49:12
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLRenderPass.h	2025-06-16 00:56:32
@@ -404,6 +404,9 @@
 /// Specifies if Metal accumulates visibility results between render encoders or resets them.
 @property (nonatomic) MTLVisibilityResultType visibilityResultType API_AVAILABLE(macos(26.0), ios(26.0));
 
+/// Specifies if the render pass should support color attachment mapping.
+@property (nonatomic) BOOL supportColorAttachmentMapping API_AVAILABLE(macos(26.0), ios(26.0));
+
 @end
 
 // Inline definitions
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLRenderPipeline.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLRenderPipeline.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLRenderPipeline.h	2025-05-28 02:49:11
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/MTLRenderPipeline.h	2025-06-16 02:25:12
@@ -144,6 +144,25 @@
 @end
 
 
+/// Allows you to easily specify color attachment remapping from logical to physical indices.
+MTL_EXPORT
+API_AVAILABLE(macos(26.0), ios(26.0))
+@interface MTLLogicalToPhysicalColorAttachmentMap : NSObject<NSCopying>
+
+/// Maps a physical color attachment index to a logical index.
+///
+/// - Parameters:
+///   - physicalIndex: index of the color attachment's physical mapping.
+///   - logicalIndex: index of the color attachment's logical mapping.
+- (void)setPhysicalIndex:(NSUInteger)physicalIndex forLogicalIndex:(NSUInteger)logicalIndex;
+
+/// Queries the physical color attachment index corresponding to a logical index.
+- (NSUInteger)getPhysicalIndexForLogicalIndex:(NSUInteger)logicalIndex;
+
+- (void)reset;
+@end
+
+
 MTL_EXPORT API_AVAILABLE(macos(10.11), ios(8.0)) NS_SWIFT_SENDABLE
 @interface MTLRenderPipelineReflection : NSObject
 
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/Metal.apinotes /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/Metal.apinotes
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/Metal.apinotes	2025-05-20 20:28:57
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/Metal.apinotes	2025-06-12 17:46:37
@@ -2074,6 +2074,15 @@
     SwiftName: dispatchNetwork(intermediatesHeap:)
     MethodKind: Instance
     
+- Name: MTL4CounterHeap
+  Methods:
+  - Selector: 'resolveCounterRange:'
+    MethodKind: Instance
+    SwiftPrivate: true
+  - Selector: 'invalidateCounterRange:'
+    MethodKind: Instance
+    SwiftPrivate: true
+
 - Name: MTL4CommandBuffer
   Methods:
   - Selector: 'beginCommandBufferWithAllocator:'
@@ -2106,7 +2115,7 @@
   - Selector: 'writeTimestampIntoHeap:atIndex:'
     SwiftName: writeTimestamp(counterHeap:index:)
     MethodKind: Instance
-  - Selector: 'resolveCounterHeap:withRange:intoBuffer:atOffset:waitFence:updateFence:'
+  - Selector: 'resolveCounterHeap:withRange:intoBuffer:waitFence:updateFence:'
     SwiftPrivate: true
     MethodKind: Instance
 
diff -ruN /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/Metal.h /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/Metal.h
--- /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/Metal.h	2025-05-28 02:49:09
+++ /Applications/Xcode_26.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/Metal.framework/Headers/Metal.h	2025-06-16 00:56:28
@@ -76,7 +76,6 @@
 #import <Metal/MTL4CompilerTask.h>
 #import <Metal/MTL4LibraryDescriptor.h>
 #import <Metal/MTL4FunctionDescriptor.h>
-#import <Metal/MTL4LinkedFunctions.h>
 #import <Metal/MTL4LibraryFunctionDescriptor.h>
 #import <Metal/MTL4SpecializedFunctionDescriptor.h>
 #import <Metal/MTL4StitchedFunctionDescriptor.h>
@@ -91,3 +90,4 @@
 #import <Metal/MTL4CommitFeedback.h>
 #import <Metal/MTL4BinaryFunctionDescriptor.h>
 #import <Metal/MTL4LinkingDescriptor.h>
+#import <Metal/MTL4BufferRange.h>

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