Metal iOS 15.5 to 16.0 API Differences

MTLAccelerationStructure.h

Added MTLAccelerationStructureGeometryDescriptor.primitiveDataBuffer

Added MTLAccelerationStructureGeometryDescriptor.primitiveDataBufferOffset

Added MTLAccelerationStructureGeometryDescriptor.primitiveDataStride

Added MTLAccelerationStructureGeometryDescriptor.primitiveDataElementSize

Added MTLAccelerationStructureTriangleGeometryDescriptor.vertexFormat

Added MTLAccelerationStructureTriangleGeometryDescriptor.transformationMatrixBuffer

Added MTLAccelerationStructureTriangleGeometryDescriptor.transformationMatrixBufferOffset

Added MTLAccelerationStructureMotionTriangleGeometryDescriptor.vertexFormat

Added MTLAccelerationStructureMotionTriangleGeometryDescriptor.transformationMatrixBuffer

Added MTLAccelerationStructureMotionTriangleGeometryDescriptor.transformationMatrixBufferOffset

Added MTLAccelerationStructure.gpuHandle

Added MTLAccelerationStructure.gpuResourceID

MTLAccelerationStructureCommandEncoder.h

Added MTLAccelerationStructureRefitOptions

Added MTLAccelerationStructureRefitOptionVertexData

Added MTLAccelerationStructureRefitOptionPerPrimitiveData

Added -[MTLAccelerationStructureCommandEncoder refitAccelerationStructure:descriptor:destination:scratchBuffer:scratchBufferOffset:options:]

Added MTLAccelerationStructurePassSampleBufferAttachmentDescriptor

Added MTLAccelerationStructurePassSampleBufferAttachmentDescriptor.sampleBuffer

Added MTLAccelerationStructurePassSampleBufferAttachmentDescriptor.startOfEncoderSampleIndex

Added MTLAccelerationStructurePassSampleBufferAttachmentDescriptor.endOfEncoderSampleIndex

Added MTLAccelerationStructurePassSampleBufferAttachmentDescriptorArray

Added -[MTLAccelerationStructurePassSampleBufferAttachmentDescriptorArray objectAtIndexedSubscript:]

Added -[MTLAccelerationStructurePassSampleBufferAttachmentDescriptorArray setObject:atIndexedSubscript:]

Added MTLAccelerationStructurePassDescriptor

Added +[MTLAccelerationStructurePassDescriptor accelerationStructurePassDescriptor]

Added MTLAccelerationStructurePassDescriptor.sampleBufferAttachments

MTLArgument.h

Added MTLBindingType

Added MTLBindingTypeBuffer

Added MTLBindingTypeThreadgroupMemory

Added MTLBindingTypeTexture

Added MTLBindingTypeSampler

Added MTLBindingTypeImageblockData

Added MTLBindingTypeImageblock

Added MTLBindingTypeVisibleFunctionTable

Added MTLBindingTypePrimitiveAccelerationStructure

Added MTLBindingTypeInstanceAccelerationStructure

Added MTLBindingTypeIntersectionFunctionTable

Added MTLBindingTypeObjectPayload

Added MTLArgumentTypeObjectPayload

Added MTLArgument.objectPayloadAlignment

Added MTLArgument.objectPayloadDataSize

Added MTLBinding

Added MTLBinding.name

Added MTLBinding.type

Added MTLBinding.access

Added MTLBinding.index

Added MTLBinding.used

Added MTLBinding.argument

Added MTLBufferBinding

Added MTLBufferBinding.bufferAlignment

Added MTLBufferBinding.bufferDataSize

Added MTLBufferBinding.bufferDataType

Added MTLBufferBinding.bufferStructType

Added MTLBufferBinding.bufferPointerType

Added MTLThreadgroupBinding

Added MTLThreadgroupBinding.threadgroupMemoryAlignment

Added MTLThreadgroupBinding.threadgroupMemoryDataSize

Added MTLTextureBinding

Added MTLTextureBinding.textureType

Added MTLTextureBinding.textureDataType

Added MTLTextureBinding.depthTexture

Added MTLTextureBinding.arrayLength

Added MTLObjectPayloadBinding

Added MTLObjectPayloadBinding.objectPayloadAlignment

Added MTLObjectPayloadBinding.objectPayloadDataSize

Modified MTLArgumentTypeBuffer

	Availability	Replacement
From	Available	none
To	Deprecated	MTLBindingType

Modified MTLArgumentTypeThreadgroupMemory

	Availability	Replacement
From	Available	none
To	Deprecated	MTLBindingType

Modified MTLArgumentTypeTexture

	Availability	Replacement
From	Available	none
To	Deprecated	MTLBindingType

Modified MTLArgumentTypeSampler

	Availability	Replacement
From	Available	none
To	Deprecated	MTLBindingType

Modified MTLArgumentTypeImageblockData

	Availability
From	Available
To	Deprecated

Modified MTLArgumentTypeImageblock

	Availability
From	Available
To	Deprecated

Modified MTLArgumentTypeVisibleFunctionTable

	Availability
From	Available
To	Deprecated

Modified MTLArgumentTypePrimitiveAccelerationStructure

	Availability
From	Available
To	Deprecated

Modified MTLArgumentTypeInstanceAccelerationStructure

	Availability
From	Available
To	Deprecated

Modified MTLArgumentTypeIntersectionFunctionTable

	Availability
From	Available
To	Deprecated

Modified MTLArgument

	Availability	Replacement
From	Available	none
To	Deprecated	MTLBinding

MTLArgumentEncoder.h

Modified MTLArgumentEncoder

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use 'gpuAddress' or 'gpuHandle' instead

MTLBinaryArchive.h

Added MTLBinaryArchiveErrorInternalError

MTLBuffer.h

Added MTLBuffer.gpuAddress

MTLCommandBuffer.h

Added -[MTLCommandBuffer accelerationStructureCommandEncoderWithDescriptor:]

Modified MTLCommandBufferErrorBlacklisted

	Availability	Replacement
From	Available	none
To	Deprecated	MTLCommandBufferErrorAccessRevoked

MTLCommandEncoder.h

Modified MTLResourceUsageSample

	Availability	Replacement
From	Available	none
To	Deprecated	MTLResourceUsageRead

MTLComputePipeline.h

Added MTLComputePipelineReflection.bindings

Added MTLComputePipelineState.gpuHandle

Added MTLComputePipelineState.gpuResourceID

Modified MTLComputePipelineReflection.arguments

	Availability	Replacement
From	Available	none
To	Deprecated	bindings

MTLDevice.h

Added MTLIOCompressionMethod

Added MTLIOCompressionMethodZlib

Added MTLIOCompressionMethodLZFSE

Added MTLIOCompressionMethodLZ4

Added MTLIOCompressionMethodLZMA

Added MTLIOCompressionMethodLZBitmap

Added MTLGPUFamilyMetal3

Added MTLSparsePageSize

Added MTLSparsePageSize16

Added MTLSparsePageSize64

Added MTLSparsePageSize256

Added -[MTLDevice newRenderPipelineStateWithMeshDescriptor:options:reflection:error:]

Added -[MTLDevice newRenderPipelineStateWithMeshDescriptor:options:completionHandler:]

Added -[MTLDevice newIOHandleWithURL:error:]

Added -[MTLDevice newIOCommandQueueWithDescriptor:error:]

Added -[MTLDevice newIOHandleWithURL:compressionMethod:error:]

Added -[MTLDevice sparseTileSizeInBytesForSparsePageSize:]

Added -[MTLDevice sparseTileSizeWithTextureType:pixelFormat:sampleCount:sparsePageSize:]

Added -[MTLDevice newArgumentEncoderWithBufferBinding:]

Added -[MTLDevice heapAccelerationStructureSizeAndAlignWithSize:]

Added -[MTLDevice heapAccelerationStructureSizeAndAlignWithDescriptor:]

Modified MTLFeatureSet_iOS_GPUFamily1_v1

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily2_v1

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily1_v2

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily2_v2

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily3_v1

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily1_v3

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily2_v3

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily3_v2

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily1_v4

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily2_v4

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily3_v3

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily4_v1

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily1_v5

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily2_v5

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily3_v4

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily4_v2

	Availability
From	Available
To	Deprecated

Modified MTLFeatureSet_iOS_GPUFamily5_v1

	Availability
From	Available
To	Deprecated

Modified MTLGPUFamilyMac1

	Availability	Replacement
From	Available	none
To	Deprecated	MTLGPUFamilyMac2

Modified MTLGPUFamilyMacCatalyst1

	Availability	Replacement
From	Available	none
To	Deprecated	MTLGPUFamilyMac2

Modified MTLGPUFamilyMacCatalyst2

	Availability	Replacement
From	Available	none
To	Deprecated	MTLGPUFamilyMac2

Modified MTLDevice.barycentricCoordsSupported

	Availability	Replacement
From	Available	none
To	Deprecated	supportsShaderBarycentricCoordinates

Modified -[MTLDevice newLibraryWithFile:error:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use -newLibraryWithURL:error: instead

Modified -[MTLDevice supportsFeatureSet:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use supportsFamily instead

MTLHeap.h

Added MTLHeapDescriptor.sparsePageSize

Added -[MTLHeap newAccelerationStructureWithSize:]

Added -[MTLHeap newAccelerationStructureWithDescriptor:]

Added -[MTLHeap newAccelerationStructureWithSize:offset:]

Added -[MTLHeap newAccelerationStructureWithDescriptor:offset:]

MTLIndirectCommandBuffer.h

Added MTLIndirectCommandBufferDescriptor.supportRayTracing

Added MTLIndirectCommandBuffer.gpuHandle

Added MTLIndirectCommandBuffer.gpuResourceID

MTLIntersectionFunctionTable.h

Added MTLIntersectionFunctionTable.gpuHandle

Added MTLIntersectionFunctionTable.gpuResourceID

MTLIOCommandBuffer.h

Added MTLIOStatus

Added MTLIOStatusPending

Added MTLIOStatusCancelled

Added MTLIOStatusError

Added MTLIOStatusComplete

Added MTLIOCommandBufferHandler

Added MTLIOCommandBuffer

Added -[MTLIOCommandBuffer addCompletedHandler:]

Added -[MTLIOCommandBuffer loadBytes:size:sourceHandle:sourceHandleOffset:]

Added -[MTLIOCommandBuffer loadBuffer:offset:size:sourceHandle:sourceHandleOffset:]

Added -[MTLIOCommandBuffer loadTexture:slice:level:size:sourceBytesPerRow:sourceBytesPerImage:destinationOrigin:sourceHandle:sourceHandleOffset:]

Added -[MTLIOCommandBuffer copyStatusToBuffer:offset:]

Added -[MTLIOCommandBuffer commit]

Added -[MTLIOCommandBuffer waitUntilCompleted]

Added -[MTLIOCommandBuffer tryCancel]

Added -[MTLIOCommandBuffer addBarrier]

Added -[MTLIOCommandBuffer pushDebugGroup:]

Added -[MTLIOCommandBuffer popDebugGroup]

Added -[MTLIOCommandBuffer enqueue]

Added -[MTLIOCommandBuffer waitForEvent:value:]

Added -[MTLIOCommandBuffer signalEvent:value:]

Added MTLIOCommandBuffer.label

Added MTLIOCommandBuffer.status

Added MTLIOCommandBuffer.error

MTLIOCommandQueue.h

Added MTLIOPriority

Added MTLIOPriorityHigh

Added MTLIOPriorityNormal

Added MTLIOPriorityLow

Added MTLIOCommandQueueType

Added MTLIOCommandQueueTypeConcurrent

Added MTLIOCommandQueueTypeSerial

Added MTLIOErrorDomain

Added MTLIOError

Added MTLIOErrorURLInvalid

Added MTLIOErrorInternal

Added MTLIOCommandQueue

Added -[MTLIOCommandQueue enqueueBarrier]

Added -[MTLIOCommandQueue commandBuffer]

Added -[MTLIOCommandQueue commandBufferWithUnretainedReferences]

Added MTLIOCommandQueue.label

Added MTLIOScratchBuffer

Added MTLIOScratchBuffer.buffer

Added MTLIOScratchBufferAllocator

Added -[MTLIOScratchBufferAllocator newScratchBufferWithMinimumSize:]

Added -[MTLIOScratchBufferAllocator allocateScratchBufferWithMinimumSize:]

Added MTLIOCommandQueueDescriptor

Added MTLIOCommandQueueDescriptor.maxCommandBufferCount

Added MTLIOCommandQueueDescriptor.priority

Added MTLIOCommandQueueDescriptor.type

Added MTLIOCommandQueueDescriptor.maxCommandsInFlight

Added MTLIOCommandQueueDescriptor.scratchBufferAllocator

Added MTLIOFileHandle

Added MTLIOFileHandle.label

MTLIOCompressor.h

Added MTLIOCompressionStatus

Added MTLIOCompressionStatusComplete

Added MTLIOCompressionStatusError

Added kMTLIOCompressionContextDefaultChunkSize

Added MTLIOCreateCompressionContext()

Added MTLIOCompressionContextAppendData()

Added MTLIOFlushAndDestroyCompressionContext()

MTLLibrary.h

Added MTLFunctionTypeMesh

Added MTLFunctionTypeObject

Added MTLLanguageVersion3_0

Added MTLLibraryOptimizationLevel

Added MTLLibraryOptimizationLevelDefault

Added MTLLibraryOptimizationLevelSize

Added MTLCompileOptions.optimizationLevel

Modified MTLLanguageVersion1_0

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use a newer language standard

MTLRenderCommandEncoder.h

Added MTLRenderStageObject

Added MTLRenderStageMesh

Added -[MTLRenderCommandEncoder setObjectBytes:length:atIndex:]

Added -[MTLRenderCommandEncoder setObjectBuffer:offset:atIndex:]

Added -[MTLRenderCommandEncoder setObjectBufferOffset:atIndex:]

Added -[MTLRenderCommandEncoder setObjectBuffers:offsets:withRange:]

Added -[MTLRenderCommandEncoder setObjectTexture:atIndex:]

Added -[MTLRenderCommandEncoder setObjectTextures:withRange:]

Added -[MTLRenderCommandEncoder setObjectSamplerState:atIndex:]

Added -[MTLRenderCommandEncoder setObjectSamplerStates:withRange:]

Added -[MTLRenderCommandEncoder setObjectSamplerState:lodMinClamp:lodMaxClamp:atIndex:]

Added -[MTLRenderCommandEncoder setObjectSamplerStates:lodMinClamps:lodMaxClamps:withRange:]

Added -[MTLRenderCommandEncoder setObjectThreadgroupMemoryLength:atIndex:]

Added -[MTLRenderCommandEncoder setMeshBytes:length:atIndex:]

Added -[MTLRenderCommandEncoder setMeshBuffer:offset:atIndex:]

Added -[MTLRenderCommandEncoder setMeshBufferOffset:atIndex:]

Added -[MTLRenderCommandEncoder setMeshBuffers:offsets:withRange:]

Added -[MTLRenderCommandEncoder setMeshTexture:atIndex:]

Added -[MTLRenderCommandEncoder setMeshTextures:withRange:]

Added -[MTLRenderCommandEncoder setMeshSamplerState:atIndex:]

Added -[MTLRenderCommandEncoder setMeshSamplerStates:withRange:]

Added -[MTLRenderCommandEncoder setMeshSamplerState:lodMinClamp:lodMaxClamp:atIndex:]

Added -[MTLRenderCommandEncoder setMeshSamplerStates:lodMinClamps:lodMaxClamps:withRange:]

Added -[MTLRenderCommandEncoder drawMeshThreadgroups:threadsPerObjectThreadgroup:threadsPerMeshThreadgroup:]

Added -[MTLRenderCommandEncoder drawMeshThreads:threadsPerObjectThreadgroup:threadsPerMeshThreadgroup:]

Added -[MTLRenderCommandEncoder drawMeshThreadgroupsWithIndirectBuffer:indirectBufferOffset:threadsPerObjectThreadgroup:threadsPerMeshThreadgroup:]

Added -[MTLRenderCommandEncoder memoryBarrierWithScope:afterStages:beforeStages:]

Added -[MTLRenderCommandEncoder memoryBarrierWithResources:count:afterStages:beforeStages:]

Modified -[MTLRenderCommandEncoder useResource:usage:]

	Availability	Replacement
From	Available	none
To	Deprecated	Use useResource:usage:stages: instead

Modified -[MTLRenderCommandEncoder useResources:count:usage:]

	Availability	Replacement
From	Available	none
To	Deprecated	Use useResources:count:usage:stages: instead

Modified -[MTLRenderCommandEncoder useHeap:]

	Availability	Replacement
From	Available	none
To	Deprecated	Use useHeap:stages: instead

Modified -[MTLRenderCommandEncoder useHeaps:count:]

	Availability	Replacement
From	Available	none
To	Deprecated	Use useHeaps:count:stages: instead

MTLRenderPipeline.h

Added MTLRenderPipelineReflection.vertexBindings

Added MTLRenderPipelineReflection.fragmentBindings

Added MTLRenderPipelineReflection.tileBindings

Added MTLRenderPipelineReflection.objectBindings

Added MTLRenderPipelineReflection.meshBindings

Added MTLRenderPipelineReflection.objectArguments

Added MTLRenderPipelineReflection.meshArguments

Added MTLRenderPipelineState.maxTotalThreadsPerObjectThreadgroup

Added MTLRenderPipelineState.maxTotalThreadsPerMeshThreadgroup

Added MTLRenderPipelineState.objectThreadExecutionWidth

Added MTLRenderPipelineState.meshThreadExecutionWidth

Added MTLRenderPipelineState.maxTotalThreadgroupsPerMeshGrid

Added MTLRenderPipelineState.gpuHandle

Added MTLRenderPipelineState.gpuResourceID

Added MTLMeshRenderPipelineDescriptor

Added MTLMeshRenderPipelineDescriptor.label

Added MTLMeshRenderPipelineDescriptor.objectFunction

Added MTLMeshRenderPipelineDescriptor.meshFunction

Added MTLMeshRenderPipelineDescriptor.fragmentFunction

Added MTLMeshRenderPipelineDescriptor.maxTotalThreadsPerObjectThreadgroup

Added MTLMeshRenderPipelineDescriptor.maxTotalThreadsPerMeshThreadgroup

Added MTLMeshRenderPipelineDescriptor.objectThreadgroupSizeIsMultipleOfThreadExecutionWidth

Added MTLMeshRenderPipelineDescriptor.meshThreadgroupSizeIsMultipleOfThreadExecutionWidth

Added MTLMeshRenderPipelineDescriptor.payloadMemoryLength

Added MTLMeshRenderPipelineDescriptor.maxTotalThreadgroupsPerMeshGrid

Added MTLMeshRenderPipelineDescriptor.objectBuffers

Added MTLMeshRenderPipelineDescriptor.meshBuffers

Added MTLMeshRenderPipelineDescriptor.fragmentBuffers

Added MTLMeshRenderPipelineDescriptor.rasterSampleCount

Added MTLMeshRenderPipelineDescriptor.alphaToCoverageEnabled

Added MTLMeshRenderPipelineDescriptor.alphaToOneEnabled

Added MTLMeshRenderPipelineDescriptor.rasterizationEnabled

Added MTLMeshRenderPipelineDescriptor.maxVertexAmplificationCount

Added MTLMeshRenderPipelineDescriptor.colorAttachments

Added MTLMeshRenderPipelineDescriptor.depthAttachmentPixelFormat

Added MTLMeshRenderPipelineDescriptor.stencilAttachmentPixelFormat

Added -[MTLMeshRenderPipelineDescriptor reset]

Modified MTLRenderPipelineReflection.vertexArguments

	Availability	Replacement
From	Available	none
To	Deprecated	vertexBindings

Modified MTLRenderPipelineReflection.fragmentArguments

	Availability	Replacement
From	Available	none
To	Deprecated	fragmentBindings

Modified MTLRenderPipelineDescriptor.sampleCount

	Availability	Replacement
From	Available	none
To	Deprecated	rasterSampleCount