45 lines
901 B
C++
45 lines
901 B
C++
#include "shape.h"
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#include "../ncnn_ops_definer.h"
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namespace mmlab {
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using namespace ncnn;
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DEFINE_LAYER_CREATOR(Shape)
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DEFINE_NCNN_OPS(Shape, Shape)
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Shape::Shape() {
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one_blob_only = true;
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support_inplace = false;
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}
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int Shape::forward(const Mat &bottom_blob, Mat &top_blob,
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const Option &opt) const {
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int dims = bottom_blob.dims;
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int w = bottom_blob.w;
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size_t elemsize = sizeof(bottom_blob.w);
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top_blob.create(dims, elemsize, opt.blob_allocator);
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if (top_blob.empty()) {
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return -100;
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}
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float *outptr = top_blob;
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if (dims == 1) {
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outptr[0] = w;
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return 0;
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}
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if (dims == 2) {
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int h = bottom_blob.h;
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outptr[0] = h;
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outptr[1] = w;
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return 0;
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}
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if (dims == 3) {
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int h = bottom_blob.h;
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int channels = bottom_blob.c;
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outptr[0] = channels;
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outptr[1] = h;
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outptr[2] = w;
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return 0;
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}
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}
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} // namespace mmlab
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