43 lines
1.8 KiB
Objective-C
43 lines
1.8 KiB
Objective-C
/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
==============================================================================*/
|
|
|
|
#ifndef TENSORFLOW_LITE_DELEGATES_GPU_METAL_DELEGATE_INTERNAL_H_
|
|
#define TENSORFLOW_LITE_DELEGATES_GPU_METAL_DELEGATE_INTERNAL_H_
|
|
|
|
#import <Metal/Metal.h>
|
|
|
|
#include <functional>
|
|
|
|
struct TfLiteDelegate;
|
|
|
|
// Binds Metal buffer to an input or an output tensor in the initialized
|
|
// delegate. Bound buffer should have sufficient storage to accommodate all
|
|
// elements of a tensor. Returns non-zero on success, or zero otherwise.
|
|
//
|
|
// *** Must be called *before* `Interpreter::ModifyGraphWithDelegate`. ***
|
|
bool TFLGpuDelegateBindMetalBufferToTensor(TfLiteDelegate* delegate,
|
|
int tensor_index,
|
|
id<MTLBuffer> metal_buffer);
|
|
|
|
// Binds user-defined MTLComputeCommandEncoder. The delegate puts all GPU tasks
|
|
// into this encoder instead of the internal encoder.
|
|
// The callback is a user-defined function to take control over encoder and
|
|
// command buffer. Can be nullptr.
|
|
bool TFLGpuDelegateSetCommandEncoder(
|
|
TfLiteDelegate* delegate, id<MTLComputeCommandEncoder> encoder,
|
|
std::function<id<MTLComputeCommandEncoder>(bool is_last)> control_encoder);
|
|
|
|
#endif // TENSORFLOW_LITE_DELEGATES_GPU_METAL_DELEGATE_INTERNAL_H_
|