42 lines
1.6 KiB
Objective-C
42 lines
1.6 KiB
Objective-C
/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#ifndef TENSORFLOW_LITE_DELEGATES_GPU_METAL_BUFFER_CONVERT_H_
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#define TENSORFLOW_LITE_DELEGATES_GPU_METAL_BUFFER_CONVERT_H_
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#import <Metal/Metal.h>
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#include "tensorflow/lite/delegates/gpu/common/shape.h"
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@interface TFLBufferConvert : NSObject
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/// Constructs converter from/to BHWC <-> BPHWC4
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/// @param isFloat16 the BPHWC4 buffer is in float16 format.
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/// @param convertToPBHWC4 convert BHWC -> BPHWC4 if true or BPHWC4 -> BHWC instead.
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- (id)initWithDevice:(id<MTLDevice>)device
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isFloat16:(bool)isFloat16
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convertToPBHWC4:(bool)convertToPBHWC4;
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/// Converts from/to BHWC <-> BPHWC4
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/// @param shape shape of BHWC tensor.
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- (void)convertWithEncoder:(id<MTLComputeCommandEncoder>)encoder
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shape:(const ::tflite::gpu::BHWC&)shape
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sourceBuffer:(id<MTLBuffer>)sourceBuffer
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convertedBuffer:(id<MTLBuffer>)convertedBuffer;
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@end
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#endif // TENSORFLOW_LITE_DELEGATES_GPU_METAL_BUFFER_CONVERT_H_
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