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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_COMMON_TASK_BUFFER_DESC_H_
17 #define TENSORFLOW_LITE_DELEGATES_GPU_COMMON_TASK_BUFFER_DESC_H_
18 
19 #include <string>
20 #include <vector>
21 
22 #include "tensorflow/lite/delegates/gpu/common/data_type.h"
23 #include "tensorflow/lite/delegates/gpu/common/status.h"
24 #include "tensorflow/lite/delegates/gpu/common/task/gpu_object_desc.h"
25 
26 namespace tflite {
27 namespace gpu {
28 
29 struct BufferDescriptor : public GPUObjectDescriptor {
30   DataType element_type;
31   int element_size;
32   MemoryType memory_type = MemoryType::GLOBAL;
33   std::vector<std::string> attributes;
34 
35   // optional
36   int size = 0;
37   std::vector<uint8_t> data;
38 
39   BufferDescriptor() = default;
40   BufferDescriptor(const BufferDescriptor&) = default;
41   BufferDescriptor& operator=(const BufferDescriptor&) = default;
42   BufferDescriptor(BufferDescriptor&& desc) = default;
43   BufferDescriptor& operator=(BufferDescriptor&& desc) = default;
44 
45   absl::Status PerformSelector(const GpuInfo& gpu_info,
46                                const std::string& selector,
47                                const std::vector<std::string>& args,
48                                const std::vector<std::string>& template_args,
49                                std::string* result) const override;
50 
51   GPUResources GetGPUResources() const override;
52   absl::Status PerformReadSelector(const std::vector<std::string>& args,
53                                    std::string* result) const;
54   absl::Status PerformGetPtrSelector(
55       const std::vector<std::string>& args,
56       const std::vector<std::string>& template_args, std::string* result) const;
57 
58   void Release() override;
59 };
60 
61 }  // namespace gpu
62 }  // namespace tflite
63 
64 #endif  // TENSORFLOW_LITE_DELEGATES_GPU_COMMON_TASK_BUFFER_DESC_H_
65