MNN/source/backend/cpu/CPUFill.cpp

63 lines
1.7 KiB
C++

//
// CPUFill.cpp
// MNN
//
// Created by MNN on 2018/08/22.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "backend/cpu/CPUFill.hpp"
#include "backend/cpu/CPUBackend.hpp"
#include "core/Macro.h"
namespace MNN {
CPUFill::CPUFill(Backend *backend) : Execution(backend) {
// nothing to do
}
ErrorCode CPUFill::onExecute(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) {
MNN_ASSERT(0 == inputs[1]->buffer().dimensions);
auto bytes = outputs[0]->getType().bytes();
auto size = outputs[0]->elementSize();
switch (bytes) {
case 1: {
auto value = inputs[1]->host<uint8_t>()[0];
auto outputPtr = outputs[0]->host<uint8_t>();
::memset(outputPtr, value, size);
break;
}
case 2: {
auto value = inputs[1]->host<uint16_t>()[0];
auto outputPtr = outputs[0]->host<uint16_t>();
for (int i=0; i<size; ++i) {
outputPtr[i] = value;
}
break;
}
case 4: {
auto value = inputs[1]->host<uint32_t>()[0];
auto outputPtr = outputs[0]->host<uint32_t>();
for (int i=0; i<size; ++i) {
outputPtr[i] = value;
}
break;
}
default:
return INPUT_DATA_ERROR;
}
return NO_ERROR;
}
class CPUFillCreator : public CPUBackend::Creator {
public:
virtual Execution *onCreate(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs,
const MNN::Op *op, Backend *backend) const {
return new CPUFill(backend);
}
};
REGISTER_CPU_OP_CREATOR(CPUFillCreator, OpType_Fill);
} // namespace MNN