operator init texture itself

metal/paddle-mobile-demo/paddle-mobile-demo/ViewController.swift

@@ -28,7 +28,7 @@ class ViewController: UIViewController {
     var selectImage: UIImage?
     var program: Program?
     var executor: Executor<Float32>?
-    var modelType: SupportModel = .mobilenet
+    var modelType: SupportModel = SupportModel.supportedModels()[0]
     var toPredictTexture: MTLTexture?
     var modelHelper: Net {
         return modelHelperMap[modelType] ?! " has no this type "

metal/paddle-mobile-unit-test/paddle-mobile-unit-test/ViewController.swift

@@ -10,7 +10,6 @@ import UIKit
 import paddle_mobile
 
 class ViewController: UIViewController {
-
     override func viewDidLoad() {
         super.viewDidLoad()
         print(" done ")

metal/paddle-mobile/paddle-mobile/Common/Types.swift

@@ -81,11 +81,140 @@ extension Float32: PrecisionType {
     }
 }
 
-public enum DataLayout {
-    case NCHW
-    case NHWC
+// N - 0   C - 1   H - 2   W - 3
+struct DataLayout {
+
+    static func NCHW(dim: Dim = Dim.init(inDim: [0, 0, 0, 0])) -> DataLayout {
+        return DataLayout.init([(.N, dim[0]), (.C, dim[1]), (.H, dim[2]), (.W, dim[3])])
+    }
+    
+    static func NHWC(dim: Dim = Dim.init(inDim: [0, 0, 0, 0])) -> DataLayout {
+        return DataLayout.init([(.N, dim[0]), (.H, dim[1]), (.W, dim[2]), (.C, dim[3])])
+    }
+    
+    func count() -> Int {
+        return layoutWithDim.count
+    }
+    
+    var N: Int? {
+        get {
+            for layoutDim in layoutWithDim {
+                if layoutDim.0 == .N {
+                    return layoutDim.1
+                }
+            }
+            return nil
+        }
+        set {
+            var newN = (Layout.N, newValue)
+            if let index = layoutWithDim.index(where: { (layout: Layout, dim: Int) -> Bool in
+                return layout == .N
+            }) {
+                fatalError()
+            }
+        }
+    }
+    var C: Int? {
+        get {
+            for layoutDim in layoutWithDim {
+                if layoutDim.0 == .C {
+                    return layoutDim.1
+                }
+            }
+            return nil
+        }
+        set {
+            var newN = (Layout.C, newValue)
+            if let index = layoutWithDim.index(where: { (layout: Layout, dim: Int) -> Bool in
+                return layout == .N
+            }) {
+                fatalError()
+            }
+        }
+    }
+    var H: Int? {
+        get {
+            for layoutDim in layoutWithDim {
+                if layoutDim.0 == .H {
+                    return layoutDim.1
+                }
+            }
+            return nil
+        }
+        set {
+            var newN = (Layout.H, newValue)
+            if let index = layoutWithDim.index(where: { (layout: Layout, dim: Int) -> Bool in
+                return layout == .H
+            }) {
+                fatalError()
+            }
+        }
+    }
+    var W: Int? {
+        get {
+            for layoutDim in layoutWithDim {
+                if layoutDim.0 == .W {
+                    return layoutDim.1
+                }
+            }
+            return nil
+        }
+        set {
+            var newN = (Layout.W, newValue)
+            if let index = layoutWithDim.index(where: { (layout: Layout, dim: Int) -> Bool in
+                return layout == .W
+            }) {
+                fatalError()
+            }
+        }
+    }
+   
+    
+    init(_ inLayout: [(Layout, Int)]) {
+        layoutWithDim = inLayout
+    }
+    
+    func layout() -> [Layout] {
+        return layoutWithDim.map({ (layout: Layout, dim: Int) -> Layout in
+            return layout
+        })
+    }
+    
+    var layoutWithDim: [(Layout, Int)] = [(.N, 0), (.C, 0), (.H, 0), (.W, 0)]
+    
+    func convertTo(inLayout: [Layout]) {
+        
+    }
+    
+    enum Layout: Int{
+        case N = 0
+        case C = 1
+        case H = 2
+        case W = 3
+        static func defaultLayout() -> [Layout] {
+            return [N, C, H, W]
+        }
+    }
+}
+
+extension DataLayout: Equatable {
+    public static func == (lhs: DataLayout, rhs: DataLayout) -> Bool {
+        if lhs.layoutWithDim.count == rhs.layoutWithDim.count {
+            var result = true
+            for i in 0..<lhs.layoutWithDim.count {
+                result = (lhs.layoutWithDim[i] == rhs.layoutWithDim[i])
+            }
+            return result
+        } else {
+            return false
+        }
+    }
 }
 
+
+
+
+
 protocol Variant: CustomStringConvertible, CustomDebugStringConvertible {
 }
 

metal/paddle-mobile/paddle-mobile/Loader.swift

@@ -161,11 +161,11 @@ public class Loader<P: PrecisionType> {
                             } catch let error {
                                 throw error
                             }
-                            tensor.convert(to: .NHWC)
+                            tensor.convert(to: DataLayout.NHWC())
 //                            tensor.initBuffer(device: device)
                             scope[varDesc.name] = tensor
                         } else {
-                            let dim = Dim.init(inDim: tensorDesc.NHWCDim)
+                            let dim = Dim.init(inDim: tensorDesc.dims)
                             scope[varDesc.name] = Texture<P>.init(device: device, inDim: dim)
                         }
                     } else {

metal/paddle-mobile/paddle-mobile/Operators/Kernels/ConvAddBatchNormReluKernel.swift

@@ -50,6 +50,8 @@ class ConvAddBatchNormReluKernel<P: PrecisionType>: Kernel, Computable, Testable
 
     required init(device: MTLDevice, param: ConvAddBatchNormReluParam<P>) {
         
+        param.output.initTexture(device: device, transpose: [0, 2, 3, 1])
+        
         if param.filter.width == 1 && param.filter.height == 1 {
             super.init(device: device, inFunctionName: "conv_add_batch_norm_relu_1x1")
         } else if param.filter.channel == 1 {
@@ -60,12 +62,12 @@ class ConvAddBatchNormReluKernel<P: PrecisionType>: Kernel, Computable, Testable
         
         param.filter.initBuffer(device: device, precision: Tensor.BufferPrecision.Float32)
         param.y.initBuffer(device: device, precision: Tensor.BufferPrecision.Float32)
-
         param.variance.initBuffer(device: device)
         param.mean.initBuffer(device: device)
         param.scale.initBuffer(device: device)
         param.bias.initBuffer(device: device)
         
+        
         let offsetX = param.filter.width/2 - Int(param.paddings[0])
         let offsetY = param.filter.height/2 - Int(param.paddings[1])
         

metal/paddle-mobile/paddle-mobile/Operators/Kernels/ConvAddKernel.swift

@@ -13,6 +13,7 @@
  limitations under the License. */
 
 import Foundation
+import MetalPerformanceShaders
 
 class ConvAddKernel<P: PrecisionType>: Kernel, Computable {
     var metalParam: MetalConvParam!
@@ -32,6 +33,8 @@ class ConvAddKernel<P: PrecisionType>: Kernel, Computable {
     }
     
     func compute(commandBuffer: MTLCommandBuffer, param: ConvAddParam<P>) throws {
+        
+        
         guard let encoder = commandBuffer.makeComputeCommandEncoder() else {
             throw PaddleMobileError.predictError(message: " encode is nil")
         }

metal/paddle-mobile/paddle-mobile/Operators/Kernels/Kernels.metal

@@ -250,3 +250,79 @@ kernel void softmax_half(texture2d_array<half, access::read> inTexture [[texture
     rr = exp(rr - maxv) / sum;
     outTexture.write(rr, gid.xy, gid.z);
 }
+
+kernel void prior_box(texture2d_array<float, access::read> inTexture [[texture(0)]],
+                      texture2d_array<float, access::write> outTexture [[texture(1)]],
+                      uint3 gid [[thread_position_in_grid]]) {
+    
+    int max_sizes_size;
+    float max_sizes[2];
+    
+    bool clip;
+    
+    float img_width;
+    float img_height;
+    
+    float step_width;
+    float step_height;
+    float offset;
+    
+    float aspect_ratios[2];
+    int aspect_ratios_size;
+    
+    float center_x = (gid.x + offset) * step_width;
+    float center_y = (gid.y + offset) * step_width;
+    
+    float box_width, box_height;
+    
+    int min_sizes_size;
+    float min_sizes[2];
+    
+    float min_size;
+    float max_size;
+    
+    if (gid.z < aspect_ratios_size) {
+        float ar = aspect_ratios[gid.z];
+        box_width = min_size * sqrt(ar) / 2;
+        box_height = min_size / sqrt(ar) / 2;
+        float4 box;
+        box.x = (center_x - box_width) / img_width;
+        box.y = (center_y - box_height) / img_height;
+        box.z = (center_x + box_width) / img_width;
+        box.w = (center_y + box_height) / img_height;
+        
+        float4 res;
+        if (clip) {
+            res = min(max(box, 0.0), 1.0);
+        } else {
+            res = box;
+        }
+    
+        outTexture.write(res, gid.xy, gid.z);
+    } else if (gid.z >= aspect_ratios_size) {
+        int max_index = gid.z - aspect_ratios_size;
+        if (max_sizes_size > 0 && min_sizes_size > 0) {
+            box_width = box_height = sqrt(min_size * max_size) / 2;
+            float4 max_box;
+            max_box.x = (center_x - box_width) / img_width;
+            max_box.y = (center_y - box_height) / img_height;
+            max_box.z = (center_x + box_width) / img_width;
+            max_box.w = (center_y + box_height) / img_height;
+            
+            float4 res;
+            if (clip) {
+                res = min(max(max_box, 0.0), 1.0);
+            } else {
+                res = max_box;
+            }
+            
+            outTexture.write(max_box, gid.xy, gid.z);
+        }
+    }
+}
+
+
+
+
+
+

metal/paddle-mobile/paddle-mobile/Program/TensorDesc.swift

@@ -17,15 +17,15 @@ import Foundation
 struct TensorDesc {
     let dims: [Int]
     let dataType: VarTypeType
-    let dataLayout: DataLayout = .NCHW
+    let dataLayout: DataLayout = DataLayout.NHWC()
     var NCHWDim: [Int] {
         get {
             if dims.count != 4 {
                 return dims
             }
-            if dataLayout == .NCHW {
+            if dataLayout == DataLayout.NCHW() {
                 return dims
-            } else if dataLayout == .NHWC{
+            } else if dataLayout == DataLayout.NHWC() {
                 var resultDims = dims
                 resultDims.swapAt(1, 3)
                 return resultDims
@@ -40,9 +40,9 @@ struct TensorDesc {
             if dims.count != 4 {
                 return dims
             }
-            if dataLayout == .NHWC {
+            if dataLayout == DataLayout.NHWC() {
                 return dims
-            } else if dataLayout == .NCHW{
+            } else if dataLayout == DataLayout.NCHW() {
                 var resultDims = dims
                 resultDims.swapAt(1, 3)
                 return resultDims

metal/paddle-mobile/paddle-mobile/framework/Tensor.swift

@@ -61,7 +61,7 @@ class Tensor<P: PrecisionType>: Tensorial {
         }
     }
  
-    required init(inDim: Dim, inLayout: DataLayout = .NCHW) {
+    required init(inDim: Dim, inLayout: DataLayout = DataLayout.NCHW()) {
         dim = inDim
         let size = inDim.numel() * MemoryLayout<P>.size
         let pointer = UnsafeMutablePointer<P>.allocate(capacity: size)
@@ -78,13 +78,13 @@ class Tensor<P: PrecisionType>: Tensorial {
             return
         }
         
-        guard layout == .NCHW && to == .NHWC else {
+        guard layout == DataLayout.NCHW() && to == DataLayout.NHWC() else {
             // other not support
             return
         }
         let newPointer = UnsafeMutablePointer<P>.allocate(capacity: data.size)
         
-        if layout == .NCHW {
+        if layout == DataLayout.NCHW() {
             NCHW2NHWC(newPtr: newPointer)
         }
         
@@ -106,7 +106,6 @@ class Tensor<P: PrecisionType>: Tensorial {
             fatalError(" not support yet ")
         }
         
-        
         let precisionSize: Int
         switch precision {
         case .Float32:
@@ -116,7 +115,7 @@ class Tensor<P: PrecisionType>: Tensorial {
         }
         
         if dim.cout() == 4 {
-            if layout == .NHWC {
+            if layout == DataLayout.NHWC() {
                 let C = dim[3]
                 let cSlices = (C + 3) / 4
                 let paddedC = cSlices * 4
@@ -232,7 +231,6 @@ class Tensor<P: PrecisionType>: Tensorial {
     }
 }
 
-
 extension Tensor {
     
     var debugDescription: String {

metal/paddle-mobile/paddle-mobile/framework/Texture.swift

@@ -40,59 +40,34 @@ extension InputTexture {
 
 public class Texture<P: PrecisionType>: Tensorial {
     var dim: Dim
-    let textureDesc: MTLTextureDescriptor
-    var metalTexture: MTLTexture
+    private(set) var originDim: Dim
+    private var textureDesc: MTLTextureDescriptor!
+    var metalTexture: MTLTexture!
+    var transpose: [Int] = [0, 1, 2, 3]
+    
+    func initTexture(device: MTLDevice, transpose: [Int]) {
+        let newDim = transpose.map { originDim[$0] }
+        
+        let newLayout = transpose.map {layout.layoutWithDim[$0] }
+        
+        layout = DataLayout.init(newLayout)
+        dim = Dim.init(inDim: newDim)
         
-    init(device: MTLDevice, inDim: Dim, inLayout: DataLayout = .NHWC) {
-        dim = inDim
-        layout = inLayout
         let tmpTextureDes = MTLTextureDescriptor.init()
-        if inDim.cout() == 1 {
-            tmpTextureDes.width = inDim[0]
-            tmpTextureDes.textureType = .type1D
-        } else if inDim.cout() == 4 {
-            tmpTextureDes.height = inDim[1]
-            tmpTextureDes.width = inDim[2]
-            tmpTextureDes.depth = 1
-            tmpTextureDes.arrayLength = (inDim[3] * inDim[0] + 3)/4
-            tmpTextureDes.textureType = .type2DArray
-        } else if inDim.cout() == 2 {
-//            tmpTextureDes.height = 1
-//            tmpTextureDes.width = 1
-//            tmpTextureDes.depth = 1
-//            tmpTextureDes.arrayLength = (inDim[0] * inDim[1] + 3)/4
-
-            tmpTextureDes.width = inDim[0]
-            tmpTextureDes.height = inDim[1]
-            tmpTextureDes.depth = 1
-            tmpTextureDes.arrayLength = 1
-            tmpTextureDes.textureType = .type2DArray
-        } else {
-            /*
-             var name: box_coder_0.tmp_0
-             in var tensor desc dims size: 3
-                var tensor desc dim 0 value: -1
-                var tensor desc dim 1 value: 1917
-                var tensor desc dim 2 value: 4
-             */
-            
-            tmpTextureDes.height = inDim[1]
-            tmpTextureDes.width = inDim[2]
+        
+        tmpTextureDes.width = layout.W ?? 1
+        tmpTextureDes.height = layout.H ?? 1
         tmpTextureDes.depth = 1
-            tmpTextureDes.arrayLength = 1
+        tmpTextureDes.arrayLength = ((layout.N ?? 1) * (layout.C ?? 1) + 3) / 4
         tmpTextureDes.textureType = .type2DArray
-        }
         
         if MemoryLayout<P>.size == 1 {
             tmpTextureDes.pixelFormat = .rgba8Unorm
         } else if MemoryLayout<P>.size == 2 {
             tmpTextureDes.pixelFormat = .rgba16Float
         } else if MemoryLayout<P>.size == 4 {
-//            tmpTextureDes.pixelFormat = .r32Float
             tmpTextureDes.pixelFormat = .rgba32Float
-
         }
-//        tmpTextureDes.pixelFormat = .rgba16Float
         
         tmpTextureDes.usage = [.shaderRead, .shaderWrite]
         tmpTextureDes.storageMode = .shared
@@ -100,6 +75,26 @@ public class Texture<P: PrecisionType>: Tensorial {
         metalTexture = device.makeTexture(descriptor: tmpTextureDes) ?! " texture nil "
     }
     
+    init(device: MTLDevice, inDim: Dim) {
+        var fourDim: Dim
+        if inDim.cout() == 4 {
+            fourDim = inDim
+        } else if inDim.cout() < 4 {
+            var fourDimNum: [Int] = []
+            for _ in 0..<(4 - inDim.cout()) {
+                fourDimNum.append(1)
+            }
+            fourDimNum.append(contentsOf: inDim.dims)
+            fourDim = Dim.init(inDim: fourDimNum)
+        } else {
+            fatalError(" not support ")
+        }
+        
+        dim = fourDim
+        originDim = fourDim
+        layout = DataLayout.init([(.N, fourDim[0]), (.C, fourDim[1]), (.H, fourDim[2]), (.W, fourDim[3])])
+    }
+    
 //    required public init(inDim: Dim, inLayout: DataLayout = .NHWC, inTexture: MTLTexture) {
 //        dim = inDim
 //        layout = inLayout