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#include "caffe2/operators/conv_pool_op_base.h"
#include "caffe2/operators/deform_conv_op.h"
#include "caffe2/operators/deform_conv_op_impl.h"
namespace caffe2 {
OPERATOR_SCHEMA(DeformConvGradient).NumInputs(4, 4).NumOutputs(2, 4);
namespace {
class GetDeformConvGradient : public GradientMakerBase {
using GradientMakerBase::GradientMakerBase;
vector<OperatorDef> GetGradientDefs() override {
CAFFE_ENFORCE(def_.input_size() == 3 || def_.input_size() == 4);
ArgumentHelper argsHelper(def_);
auto compute_dX =
// NOLINTNEXTLINE(modernize-use-bool-literals)
!argsHelper.GetSingleArgument<bool>("no_gradient_to_input", 0);
if (def_.input_size() == 4) {
if (compute_dX) {
return SingleGradientDef(
"DeformConvGradient",
"",
vector<string>{I(0), I(1), I(2), GO(0)},
vector<string>{GI(1), GI(2), GI(3), GI(0)});
} else {
return SingleGradientDef(
"DeformConvGradient",
"",
vector<string>{I(0), I(1), I(2), GO(0)},
vector<string>{GI(1), GI(2), GI(3)});
}
} else {
if (compute_dX) {
return SingleGradientDef(
"DeformConvGradient",
"",
vector<string>{I(0), I(1), I(2), GO(0)},
vector<string>{GI(1), GI(2), GI(0)},
vector<Argument>{MakeArgument<int>("no_bias", 1)});
} else {
return SingleGradientDef(
"DeformConvGradient",
"",
vector<string>{I(0), I(1), I(2), GO(0)},
vector<string>{GI(1), GI(2)},
vector<Argument>{MakeArgument<int>("no_bias", 1)});
}
}
}
};
REGISTER_GRADIENT(DeformConv, GetDeformConvGradient);
} // namespace
} // namespace caffe2
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