我有一个由CVPixelbuffer(ARGB)构建的CGImage。我想将该CGImage转换为MTLTexture。我使用:lettexture:MTLTexture=trym_textureLoader.newTexture(with:cgImage,options:[MTKTextureLoaderOptionSRGB:NSNumber(value:true)])稍后我想在具有3个channel的MPSImage中使用纹理:letsid=MPSImageDescriptor(channelFormat:MPSImageFeatureChannelFormat.float16,w