MNN/source/backend/vulkan/execution/VulkanInterp.cpp

59 lines
1.6 KiB
C++

//
// VulkanInterp.cpp
// MNN
//
// Created by MNN on 2019/01/31.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "backend/vulkan/execution/VulkanInterp.hpp"
namespace MNN {
VulkanInterp::VulkanInterp(const Op* op, Backend* bn) : VulkanResize(bn, 1, 1, op->main_as_Interp()->resizeType()) {
auto interpParam = op->main_as_Interp();
mAlignCorners = interpParam->alignCorners();
}
VulkanInterp::~VulkanInterp() {
}
ErrorCode VulkanInterp::onEncode(const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs,
const VulkanCommandPool::Buffer* cmdBuffer) {
auto input = inputs[0];
auto output = outputs[0];
auto& ib = input->buffer();
auto& ob = output->buffer();
int iw = ib.dim[3].extent, ow = ob.dim[3].extent;
int ih = ib.dim[2].extent, oh = ob.dim[2].extent;
float xScale = 1;
float yScale = 1;
if (mAlignCorners) {
yScale = (float)(ih - 1) / (float)(oh - 1);
xScale = (float)(iw - 1) / (float)(ow - 1);
} else {
yScale = (float)(ih) / (float)(oh);
xScale = (float)(iw) / (float)(ow);
}
encodeImpl(input, output, xScale, yScale, cmdBuffer);
return NO_ERROR;
}
class VulkanInterpCreator : public VulkanBackend::Creator {
public:
virtual VulkanBasicExecution* onCreate(const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs, const MNN::Op* op, Backend* bn) const override {
return new VulkanInterp(op, bn);
}
};
static bool gResistor = []() {
VulkanBackend::addCreator(OpType_Interp, new VulkanInterpCreator);
return true;
}();
} // namespace MNN