stdlib/public/SDK/Metal/Metal.swift - third_party/swift - Git at Google

 //===----------------------------------------------------------------------===//
 //
 // This source file is part of the Swift.org open source project
 //
 // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
 // Licensed under Apache License v2.0 with Runtime Library Exception
 //
 // See https://swift.org/LICENSE.txt for license information
 // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 //
 //===----------------------------------------------------------------------===//

 @_exported import Metal // Clang module

 @available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
 extension MTLBlitCommandEncoder {

     public func fill(buffer: MTLBuffer, range: Range<Int>, value: UInt8) {
         __fill(buffer, range: NSRange(location: range.lowerBound, length: range.count), value: value)
     }

     @available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
     public func resetCommandsInBuffer(_ buffer: MTLIndirectCommandBuffer, range: Range<Int>) {
         __resetCommands(in: buffer, with: NSRange(location: range.lowerBound, length: range.count))
     }

     @available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
     public func copyIndirectCommandBuffer (_ buffer: MTLIndirectCommandBuffer, sourceRange: Range<Int>, destination: MTLIndirectCommandBuffer, destinationIndex: Int) {
         __copy (buffer, sourceRange: NSRange(location: sourceRange.lowerBound, length: sourceRange.count),destination: destination, destinationIndex: destinationIndex)
     }
     @available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
     public func optimizeIndirectCommandBuffer (_ buffer: MTLIndirectCommandBuffer, range: Range<Int>) {
         __optimizeIndirectCommandBuffer(buffer, with: NSRange(location: range.lowerBound, length: range.count))
     }
 }

 @available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
 extension MTLBuffer {

 #if os(macOS)
     @available(macOS, introduced: 10.11)
     public func didModifyRange(_ range: Range<Int>) {
         __didModifyRange(NSRange(location: range.lowerBound, length: range.count))
     }
 #endif

     @available(macOS 10.12, iOS 10.0, tvOS 10.0, *)
     public func addDebugMarker(_ marker: String, range: Range<Int>) {
         __addDebugMarker(marker, range: NSRange(location: range.lowerBound, length: range.count))
     }
 }

 @available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
 extension MTLComputeCommandEncoder {

     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
     public func useResources(_ resources: [MTLResource], usage: MTLResourceUsage) {
         __use(resources, count: resources.count, usage: usage)
     }

     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
     public func useHeaps(_ heaps: [MTLHeap]) {
         __use(heaps, count: heaps.count)
     }

     public func setBuffers(_ buffers: [MTLBuffer?], offsets: [Int], range: Range<Int>) {
         __setBuffers(buffers, offsets: offsets, with: NSRange(location: range.lowerBound, length: range.count))
     }

     public func setTextures(_ textures: [MTLTexture?], range: Range<Int>) {
         __setTextures(textures, with: NSRange(location: range.lowerBound, length: range.count))
     }

     public func setSamplerStates(_ samplers: [MTLSamplerState?], range: Range<Int>) {
         __setSamplerStates(samplers, with: NSRange(location: range.lowerBound, length: range.count))
     }

     public func setSamplerStates(_ samplers: [MTLSamplerState?], lodMinClamps: [Float], lodMaxClamps: [Float], range: Range<Int>) {
         __setSamplerStates(samplers, lodMinClamps: lodMinClamps, lodMaxClamps: lodMaxClamps, with: NSRange(location: range.lowerBound, length: range.count))
     }

     @available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
     public func memoryBarrier(resources:[MTLResource]) {
         __memoryBarrier(resources: resources, count: resources.count)
     }
 }

 @available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
 extension MTLDevice {

     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
     public func getDefaultSamplePositions(sampleCount: Int) -> [MTLSamplePosition] {
         var positions = [MTLSamplePosition](repeating: MTLSamplePosition(x: 0,y: 0), count: sampleCount)
         __getDefaultSamplePositions(&positions, count: sampleCount)
         return positions
     }
 }

 #if os(macOS)
 @available(swift 4)
 @available(macOS 10.13, *)
 public func MTLCopyAllDevicesWithObserver(handler: @escaping MTLDeviceNotificationHandler) -> (devices:[MTLDevice], observer:NSObject) {
     var resultTuple: (devices:[MTLDevice], observer:NSObject)
     resultTuple.observer = NSObject()
     resultTuple.devices = __MTLCopyAllDevicesWithObserver(AutoreleasingUnsafeMutablePointer<NSObjectProtocol?>(&resultTuple.observer), handler)
     return resultTuple
 }
 #endif

 @available(macOS 10.12, iOS 10.0, tvOS 10.0, *)
 extension MTLFunctionConstantValues {

     public func setConstantValues(_ values: UnsafeRawPointer, type: MTLDataType, range: Range<Int>) {
         __setConstantValues(values, type: type, with: NSRange(location: range.lowerBound, length: range.count))
     }

 }

 @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
 extension MTLArgumentEncoder {

     public func setBuffers(_ buffers: [MTLBuffer?], offsets: [Int], range: Range<Int>) {
         __setBuffers(buffers, offsets: offsets, with: NSRange(location: range.lowerBound, length: range.count))
     }

     public func setTextures(_ textures: [MTLTexture?], range: Range<Int>) {
         __setTextures(textures, with: NSRange(location: range.lowerBound, length: range.count))
     }

     public func setSamplerStates(_ samplers: [MTLSamplerState?], range: Range<Int>) {
         __setSamplerStates(samplers, with: NSRange(location: range.lowerBound, length: range.count))
     }

     #if os(macOS)
     @available(macOS 10.14, *)
     public func setRenderPipelineStates(_ pipelines: [MTLRenderPipelineState?], range: Range<Int>) {
         __setRenderPipelineStates(pipelines, with: NSRange(location: range.lowerBound, length: range.count))
     }
     #endif

     @available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
     public func setIndirectCommandBuffers(_ buffers: [MTLIndirectCommandBuffer?], range: Range<Int>) {
         __setIndirectCommandBuffers(buffers, with: NSRange(location: range.lowerBound, length: range.count))
     }
 }

 @available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
 extension MTLRenderCommandEncoder {

     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
     public func useResources(_ resources: [MTLResource], usage: MTLResourceUsage) {
         __use(resources, count: resources.count, usage: usage)
     }

     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
     public func useHeaps(_ heaps: [MTLHeap]) {
         __use(heaps, count: heaps.count)
     }

 #if os(macOS) || os(iOS)
     @available(macOS 10.13, iOS 12.0, *)
     public func setViewports(_ viewports: [MTLViewport]) {
         __setViewports(viewports, count: viewports.count)
     }

     @available(macOS 10.13, iOS 12.0, *)
     public func setScissorRects(_ scissorRects: [MTLScissorRect]) {
         __setScissorRects(scissorRects, count: scissorRects.count)
     }
 #endif

     public func setVertexBuffers(_ buffers: [MTLBuffer?], offsets: [Int], range: Range<Int>) {
         __setVertexBuffers(buffers, offsets: offsets, with: NSRange(location: range.lowerBound, length: range.count))
     }

     public func setVertexTextures(_ textures: [MTLTexture?], range: Range<Int>) {
         __setVertexTextures(textures, with: NSRange(location: range.lowerBound, length: range.count))
     }

     public func setVertexSamplerStates(_ samplers: [MTLSamplerState?], range: Range<Int>) {
         __setVertexSamplerStates(samplers, with: NSRange(location: range.lowerBound, length: range.count))
     }

     public func setVertexSamplerStates(_ samplers: [MTLSamplerState?], lodMinClamps: [Float], lodMaxClamps: [Float], range: Range<Int>) {
         __setVertexSamplerStates(samplers, lodMinClamps: lodMinClamps, lodMaxClamps: lodMaxClamps, with: NSRange(location: range.lowerBound, length: range.count))
     }

     public func setFragmentBuffers(_ buffers: [MTLBuffer?], offsets: [Int], range: Range<Int>) {
         __setFragmentBuffers(buffers, offsets: offsets, with: NSRange(location: range.lowerBound, length: range.count))
     }

     public func setFragmentTextures(_ textures: [MTLTexture?], range: Range<Int>) {
         __setFragmentTextures(textures, with: NSRange(location: range.lowerBound, length: range.count))
     }

     public func setFragmentSamplerStates(_ samplers: [MTLSamplerState?], range: Range<Int>) {
         __setFragmentSamplerStates(samplers, with: NSRange(location: range.lowerBound, length: range.count))
     }

     public func setFragmentSamplerStates(_ samplers: [MTLSamplerState?], lodMinClamps: [Float], lodMaxClamps: [Float], range: Range<Int>) {
         __setFragmentSamplerStates(samplers, lodMinClamps: lodMinClamps, lodMaxClamps: lodMaxClamps, with: NSRange(location: range.lowerBound, length: range.count))
     }

 #if os(iOS)

     @available(iOS 11.0, *)
     public func setTileBuffers(_ buffers: [MTLBuffer?], offsets: [Int], range: Range<Int>) {
         __setTileBuffers(buffers, offsets: offsets, with: NSRange(location: range.lowerBound, length: range.count))
     }

     @available(iOS 11.0, *)
     public func setTileTextures(_ textures: [MTLTexture?], range: Range<Int>) {
         __setTileTextures(textures, with: NSRange(location: range.lowerBound, length: range.count))
     }

     @available(iOS 11.0, *)
     public func setTileSamplerStates(_ samplers: [MTLSamplerState?], range: Range<Int>) {
         __setTileSamplerStates(samplers, with: NSRange(location: range.lowerBound, length: range.count))
     }

     @available(iOS 11.0, *)
     public func setTileSamplerStates(_ samplers: [MTLSamplerState?], lodMinClamps: [Float], lodMaxClamps: [Float], range: Range<Int>) {
         __setTileSamplerStates(samplers, lodMinClamps: lodMinClamps, lodMaxClamps: lodMaxClamps, with: NSRange(location: range.lowerBound, length: range.count))
     }
 #endif

 #if os(macOS)
     @available(macOS 10.14, *)
     public func memoryBarrier(resources: [MTLResource], after: MTLRenderStages, before: MTLRenderStages) {
         __memoryBarrier(resources: resources, count: resources.count, after: after, before: before)
     }
 #endif

     @available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
     public func executeCommandsInBuffer(_ buffer: MTLIndirectCommandBuffer, range: Range<Int>) {
         __executeCommands(in: buffer, with: NSRange(location: range.lowerBound, length: range.count))
     }

     #if os(macOS)
     @available(macOS 10.14, *)
     public func executeCommandsInBuffer(_ buffer: MTLIndirectCommandBuffer, indirectBuffer indirectRangeBuffer: MTLBuffer, offset: Int) {
         __executeCommands(in: buffer, indirectBuffer: indirectRangeBuffer, indirectBufferOffset: offset)
     }
     #endif
 }

 @available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
 extension MTLIndirectCommandBuffer {
     public func reset(_ range: Range<Int>) {
         __reset(with: NSRange(location: range.lowerBound, length: range.count))
     }
 }

 @available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
 extension MTLRenderPassDescriptor {

     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
     public func setSamplePositions(_ positions: [MTLSamplePosition]) {
         __setSamplePositions(positions, count: positions.count)
     }

     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
     public func getSamplePositions() -> [MTLSamplePosition] {
         let numPositions = __getSamplePositions(nil, count: 0)
         var positions = [MTLSamplePosition](repeating: MTLSamplePosition(x: 0,y: 0), count: numPositions)
         __getSamplePositions(&positions, count: numPositions)
         return positions
     }

 }

 @available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
 extension MTLTexture {

     @available(macOS 10.11, iOS 9.0, tvOS 9.0, *)
     public func makeTextureView(pixelFormat: MTLPixelFormat, textureType: MTLTextureType, levels levelRange: Range<Int>, slices sliceRange: Range<Int>) -> MTLTexture? {
         return __newTextureView(with: pixelFormat, textureType: textureType, levels: NSRange(location: levelRange.lowerBound, length: levelRange.count), slices: NSRange(location: sliceRange.lowerBound, length: sliceRange.count))
     }
 }
	//===----------------------------------------------------------------------===//
	//
	// This source file is part of the Swift.org open source project
	//
	// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
	// Licensed under Apache License v2.0 with Runtime Library Exception
	//
	// See https://swift.org/LICENSE.txt for license information
	// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
	//
	//===----------------------------------------------------------------------===//

	@_exported import Metal // Clang module

	@available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
	extension MTLBlitCommandEncoder {

	public func fill(buffer: MTLBuffer, range: Range<Int>, value: UInt8) {
	__fill(buffer, range: NSRange(location: range.lowerBound, length: range.count), value: value)
	}

	@available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
	public func resetCommandsInBuffer(_ buffer: MTLIndirectCommandBuffer, range: Range<Int>) {
	__resetCommands(in: buffer, with: NSRange(location: range.lowerBound, length: range.count))
	}

	@available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
	public func copyIndirectCommandBuffer (_ buffer: MTLIndirectCommandBuffer, sourceRange: Range<Int>, destination: MTLIndirectCommandBuffer, destinationIndex: Int) {
	__copy (buffer, sourceRange: NSRange(location: sourceRange.lowerBound, length: sourceRange.count),destination: destination, destinationIndex: destinationIndex)
	}
	@available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
	public func optimizeIndirectCommandBuffer (_ buffer: MTLIndirectCommandBuffer, range: Range<Int>) {
	__optimizeIndirectCommandBuffer(buffer, with: NSRange(location: range.lowerBound, length: range.count))
	}
	}

	@available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
	extension MTLBuffer {

	#if os(macOS)
	@available(macOS, introduced: 10.11)
	public func didModifyRange(_ range: Range<Int>) {
	__didModifyRange(NSRange(location: range.lowerBound, length: range.count))
	}
	#endif

	@available(macOS 10.12, iOS 10.0, tvOS 10.0, *)
	public func addDebugMarker(_ marker: String, range: Range<Int>) {
	__addDebugMarker(marker, range: NSRange(location: range.lowerBound, length: range.count))
	}
	}

	@available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
	extension MTLComputeCommandEncoder {

	@available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
	public func useResources(_ resources: [MTLResource], usage: MTLResourceUsage) {
	__use(resources, count: resources.count, usage: usage)
	}

	@available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
	public func useHeaps(_ heaps: [MTLHeap]) {
	__use(heaps, count: heaps.count)
	}

	public func setBuffers(_ buffers: [MTLBuffer?], offsets: [Int], range: Range<Int>) {
	__setBuffers(buffers, offsets: offsets, with: NSRange(location: range.lowerBound, length: range.count))
	}

	public func setTextures(_ textures: [MTLTexture?], range: Range<Int>) {
	__setTextures(textures, with: NSRange(location: range.lowerBound, length: range.count))
	}

	public func setSamplerStates(_ samplers: [MTLSamplerState?], range: Range<Int>) {
	__setSamplerStates(samplers, with: NSRange(location: range.lowerBound, length: range.count))
	}

	public func setSamplerStates(_ samplers: [MTLSamplerState?], lodMinClamps: [Float], lodMaxClamps: [Float], range: Range<Int>) {
	__setSamplerStates(samplers, lodMinClamps: lodMinClamps, lodMaxClamps: lodMaxClamps, with: NSRange(location: range.lowerBound, length: range.count))
	}

	@available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
	public func memoryBarrier(resources:[MTLResource]) {
	__memoryBarrier(resources: resources, count: resources.count)
	}
	}

	@available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
	extension MTLDevice {

	@available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
	public func getDefaultSamplePositions(sampleCount: Int) -> [MTLSamplePosition] {
	var positions = [MTLSamplePosition](repeating: MTLSamplePosition(x: 0,y: 0), count: sampleCount)
	__getDefaultSamplePositions(&positions, count: sampleCount)
	return positions
	}
	}

	#if os(macOS)
	@available(swift 4)
	@available(macOS 10.13, *)
	public func MTLCopyAllDevicesWithObserver(handler: @escaping MTLDeviceNotificationHandler) -> (devices:[MTLDevice], observer:NSObject) {
	var resultTuple: (devices:[MTLDevice], observer:NSObject)
	resultTuple.observer = NSObject()
	resultTuple.devices = __MTLCopyAllDevicesWithObserver(AutoreleasingUnsafeMutablePointer<NSObjectProtocol?>(&resultTuple.observer), handler)
	return resultTuple
	}
	#endif

	@available(macOS 10.12, iOS 10.0, tvOS 10.0, *)
	extension MTLFunctionConstantValues {

	public func setConstantValues(_ values: UnsafeRawPointer, type: MTLDataType, range: Range<Int>) {
	__setConstantValues(values, type: type, with: NSRange(location: range.lowerBound, length: range.count))
	}

	}

	@available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
	extension MTLArgumentEncoder {

	public func setBuffers(_ buffers: [MTLBuffer?], offsets: [Int], range: Range<Int>) {
	__setBuffers(buffers, offsets: offsets, with: NSRange(location: range.lowerBound, length: range.count))
	}

	public func setTextures(_ textures: [MTLTexture?], range: Range<Int>) {
	__setTextures(textures, with: NSRange(location: range.lowerBound, length: range.count))
	}

	public func setSamplerStates(_ samplers: [MTLSamplerState?], range: Range<Int>) {
	__setSamplerStates(samplers, with: NSRange(location: range.lowerBound, length: range.count))
	}

	#if os(macOS)
	@available(macOS 10.14, *)
	public func setRenderPipelineStates(_ pipelines: [MTLRenderPipelineState?], range: Range<Int>) {
	__setRenderPipelineStates(pipelines, with: NSRange(location: range.lowerBound, length: range.count))
	}
	#endif

	@available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
	public func setIndirectCommandBuffers(_ buffers: [MTLIndirectCommandBuffer?], range: Range<Int>) {
	__setIndirectCommandBuffers(buffers, with: NSRange(location: range.lowerBound, length: range.count))
	}
	}

	@available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
	extension MTLRenderCommandEncoder {

	@available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
	public func useResources(_ resources: [MTLResource], usage: MTLResourceUsage) {
	__use(resources, count: resources.count, usage: usage)
	}

	@available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
	public func useHeaps(_ heaps: [MTLHeap]) {
	__use(heaps, count: heaps.count)
	}

	#if os(macOS) \|\| os(iOS)
	@available(macOS 10.13, iOS 12.0, *)
	public func setViewports(_ viewports: [MTLViewport]) {
	__setViewports(viewports, count: viewports.count)
	}

	@available(macOS 10.13, iOS 12.0, *)
	public func setScissorRects(_ scissorRects: [MTLScissorRect]) {
	__setScissorRects(scissorRects, count: scissorRects.count)
	}
	#endif

	public func setVertexBuffers(_ buffers: [MTLBuffer?], offsets: [Int], range: Range<Int>) {
	__setVertexBuffers(buffers, offsets: offsets, with: NSRange(location: range.lowerBound, length: range.count))
	}

	public func setVertexTextures(_ textures: [MTLTexture?], range: Range<Int>) {
	__setVertexTextures(textures, with: NSRange(location: range.lowerBound, length: range.count))
	}

	public func setVertexSamplerStates(_ samplers: [MTLSamplerState?], range: Range<Int>) {
	__setVertexSamplerStates(samplers, with: NSRange(location: range.lowerBound, length: range.count))
	}

	public func setVertexSamplerStates(_ samplers: [MTLSamplerState?], lodMinClamps: [Float], lodMaxClamps: [Float], range: Range<Int>) {
	__setVertexSamplerStates(samplers, lodMinClamps: lodMinClamps, lodMaxClamps: lodMaxClamps, with: NSRange(location: range.lowerBound, length: range.count))
	}

	public func setFragmentBuffers(_ buffers: [MTLBuffer?], offsets: [Int], range: Range<Int>) {
	__setFragmentBuffers(buffers, offsets: offsets, with: NSRange(location: range.lowerBound, length: range.count))
	}

	public func setFragmentTextures(_ textures: [MTLTexture?], range: Range<Int>) {
	__setFragmentTextures(textures, with: NSRange(location: range.lowerBound, length: range.count))
	}

	public func setFragmentSamplerStates(_ samplers: [MTLSamplerState?], range: Range<Int>) {
	__setFragmentSamplerStates(samplers, with: NSRange(location: range.lowerBound, length: range.count))
	}

	public func setFragmentSamplerStates(_ samplers: [MTLSamplerState?], lodMinClamps: [Float], lodMaxClamps: [Float], range: Range<Int>) {
	__setFragmentSamplerStates(samplers, lodMinClamps: lodMinClamps, lodMaxClamps: lodMaxClamps, with: NSRange(location: range.lowerBound, length: range.count))
	}

	#if os(iOS)

	@available(iOS 11.0, *)
	public func setTileBuffers(_ buffers: [MTLBuffer?], offsets: [Int], range: Range<Int>) {
	__setTileBuffers(buffers, offsets: offsets, with: NSRange(location: range.lowerBound, length: range.count))
	}

	@available(iOS 11.0, *)
	public func setTileTextures(_ textures: [MTLTexture?], range: Range<Int>) {
	__setTileTextures(textures, with: NSRange(location: range.lowerBound, length: range.count))
	}

	@available(iOS 11.0, *)
	public func setTileSamplerStates(_ samplers: [MTLSamplerState?], range: Range<Int>) {
	__setTileSamplerStates(samplers, with: NSRange(location: range.lowerBound, length: range.count))
	}

	@available(iOS 11.0, *)
	public func setTileSamplerStates(_ samplers: [MTLSamplerState?], lodMinClamps: [Float], lodMaxClamps: [Float], range: Range<Int>) {
	__setTileSamplerStates(samplers, lodMinClamps: lodMinClamps, lodMaxClamps: lodMaxClamps, with: NSRange(location: range.lowerBound, length: range.count))
	}
	#endif

	#if os(macOS)
	@available(macOS 10.14, *)
	public func memoryBarrier(resources: [MTLResource], after: MTLRenderStages, before: MTLRenderStages) {
	__memoryBarrier(resources: resources, count: resources.count, after: after, before: before)
	}
	#endif

	@available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
	public func executeCommandsInBuffer(_ buffer: MTLIndirectCommandBuffer, range: Range<Int>) {
	__executeCommands(in: buffer, with: NSRange(location: range.lowerBound, length: range.count))
	}

	#if os(macOS)
	@available(macOS 10.14, *)
	public func executeCommandsInBuffer(_ buffer: MTLIndirectCommandBuffer, indirectBuffer indirectRangeBuffer: MTLBuffer, offset: Int) {
	__executeCommands(in: buffer, indirectBuffer: indirectRangeBuffer, indirectBufferOffset: offset)
	}
	#endif
	}

	@available(macOS 10.14, iOS 12.0, tvOS 12.0, *)
	extension MTLIndirectCommandBuffer {
	public func reset(_ range: Range<Int>) {
	__reset(with: NSRange(location: range.lowerBound, length: range.count))
	}
	}

	@available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
	extension MTLRenderPassDescriptor {

	@available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
	public func setSamplePositions(_ positions: [MTLSamplePosition]) {
	__setSamplePositions(positions, count: positions.count)
	}

	@available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
	public func getSamplePositions() -> [MTLSamplePosition] {
	let numPositions = __getSamplePositions(nil, count: 0)
	var positions = [MTLSamplePosition](repeating: MTLSamplePosition(x: 0,y: 0), count: numPositions)
	__getSamplePositions(&positions, count: numPositions)
	return positions
	}

	}

	@available(macOS 10.11, iOS 8.0, tvOS 8.0, *)
	extension MTLTexture {

	@available(macOS 10.11, iOS 9.0, tvOS 9.0, *)
	public func makeTextureView(pixelFormat: MTLPixelFormat, textureType: MTLTextureType, levels levelRange: Range<Int>, slices sliceRange: Range<Int>) -> MTLTexture? {
	return __newTextureView(with: pixelFormat, textureType: textureType, levels: NSRange(location: levelRange.lowerBound, length: levelRange.count), slices: NSRange(location: sliceRange.lowerBound, length: sliceRange.count))
	}
	}