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Fix a runtime error

This commit is contained in:
daemyung jang 2021-04-22 12:25:45 +09:00
parent 7120d1793a
commit bca9d09f43
1 changed files with 1 additions and 12 deletions
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13
04-3d-transforms/starter/3DTransforms.playground/Sources/Utility.swift
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@ -5,7 +5,7 @@ public typealias float4 = SIMD4<Float>
public var device: MTLDevice!
public let commandQueue = device.makeCommandQueue()!
public let library = createLibrary()
public let library = device.makeDefaultLibrary()!
public let pipelineState = createPipelineState(library: library)
public var lightGrayColor: float4 = [0.9, 0.9, 0.9, 1]
@ -14,17 +14,6 @@ public var redColor: float4 = [1, 0, 0, 1]
public func setupMetal() {
}
public func createLibrary() -> MTLLibrary {
var library: MTLLibrary?
do {
let path = Bundle.main.path(forResource: "Shaders", ofType: "metal")
let source = try String(contentsOfFile: path!, encoding: .utf8)
library = try device.makeLibrary(source: source, options: nil)
} catch let error as NSError {
fatalError("library error: " + error.description)
}
return library!
}
public func createPipelineState(library: MTLLibrary) -> MTLRenderPipelineState {
let descriptor = MTLRenderPipelineDescriptor()