1 /* Copyright 2020 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 #ifndef TENSORFLOW_LITE_DELEGATES_GPU_METAL_GPU_OBJECT_H_ 17 #define TENSORFLOW_LITE_DELEGATES_GPU_METAL_GPU_OBJECT_H_ 18 19 #import <Metal/Metal.h> 20 21 #include <map> 22 #include <memory> 23 #include <string> 24 #include <vector> 25 26 #include "tensorflow/lite/delegates/gpu/common/access_type.h" 27 #include "tensorflow/lite/delegates/gpu/common/data_type.h" 28 #include "tensorflow/lite/delegates/gpu/common/status.h" 29 #include "tensorflow/lite/delegates/gpu/common/task/gpu_object_desc.h" 30 31 namespace tflite { 32 namespace gpu { 33 namespace metal { 34 35 struct GPUResourcesWithValue { 36 std::vector<std::pair<std::string, int>> ints; 37 std::vector<std::pair<std::string, float>> floats; 38 std::vector<std::pair<std::string, id<MTLBuffer>>> buffers; 39 std::vector<std::pair<std::string, id<MTLTexture>>> images2d; 40 std::vector<std::pair<std::string, id<MTLTexture>>> image2d_arrays; 41 std::vector<std::pair<std::string, id<MTLTexture>>> images3d; 42 std::vector<std::pair<std::string, id<MTLTexture>>> image_buffers; 43 }; 44 45 class GPUObject { 46 public: 47 GPUObject() = default; 48 // Move only 49 GPUObject(GPUObject&& obj_desc) = default; 50 GPUObject& operator=(GPUObject&& obj_desc) = default; 51 GPUObject(const GPUObject&) = delete; 52 GPUObject& operator=(const GPUObject&) = delete; 53 virtual ~GPUObject() = default; 54 virtual absl::Status GetGPUResources( 55 const GPUObjectDescriptor* obj_ptr, 56 GPUResourcesWithValue* resources) const = 0; 57 }; 58 59 using GPUObjectPtr = std::unique_ptr<GPUObject>; 60 61 } // namespace metal 62 } // namespace gpu 63 } // namespace tflite 64 65 #endif // TENSORFLOW_LITE_DELEGATES_GPU_METAL_GPU_OBJECT_H_ 66