请通过代码使用iOS的metal来实现瘦脸功能
时间: 2023-03-15 19:15:10 浏览: 77
可以使用Metal框架的MPSCNNNeuronFilter实现瘦脸功能。代码如下:let descriptor = MPSCNNNeuronDescriptor(type: .crossChannelMeanNormalization, a: 0.75)let neuronFilter = MPSCNNNeuron(device: device, neuronDescriptor: descriptor)let commandBuffer = commandQueue.makeCommandBuffer()let commandEncoder = commandBuffer.makeComputeCommandEncoder()commandEncoder.setComputePipelineState(neuronFilter)commandEncoder.setTexture(inputTexture, index: 0)commandEncoder.setTexture(outputTexture, index: 1)let threadGroupCount = MTLSizeMake(8, 8, 1) let threadGroups = MTLSizeMake(inputTexture.width / threadGroupCount.width, inputTexture.height / threadGroupCount.height, 1) commandEncoder.dispatchThreadgroups(threadGroups, threadsPerThreadgroup: threadGroupCount) commandEncoder.endEncoding() commandBuffer.commit() commandBuffer.waitUntilCompleted()