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#include <torch/extension.h>
#include <vector>
// CUDA forward declarations
std::vector<torch::Tensor> corr_cuda_forward(
torch::Tensor fmap1,
torch::Tensor fmap2,
torch::Tensor coords,
torch::Tensor ii,
torch::Tensor jj,
int radius);
std::vector<torch::Tensor> corr_cuda_backward(
torch::Tensor fmap1,
torch::Tensor fmap2,
torch::Tensor coords,
torch::Tensor ii,
torch::Tensor jj,
torch::Tensor corr_grad,
int radius);
std::vector<torch::Tensor> patchify_cuda_forward(
torch::Tensor net, torch::Tensor coords, int radius);
std::vector<torch::Tensor> patchify_cuda_backward(
torch::Tensor net, torch::Tensor coords, torch::Tensor gradient, int radius);
std::vector<torch::Tensor> corr_forward(
torch::Tensor fmap1,
torch::Tensor fmap2,
torch::Tensor coords,
torch::Tensor ii,
torch::Tensor jj, int radius) {
return corr_cuda_forward(fmap1, fmap2, coords, ii, jj, radius);
}
std::vector<torch::Tensor> corr_backward(
torch::Tensor fmap1,
torch::Tensor fmap2,
torch::Tensor coords,
torch::Tensor ii,
torch::Tensor jj,
torch::Tensor corr_grad, int radius) {
return corr_cuda_backward(fmap1, fmap2, coords, ii, jj, corr_grad, radius);
}
std::vector<torch::Tensor> patchify_forward(
torch::Tensor net, torch::Tensor coords, int radius) {
return patchify_cuda_forward(net, coords, radius);
}
std::vector<torch::Tensor> patchify_backward(
torch::Tensor net, torch::Tensor coords, torch::Tensor gradient, int radius) {
return patchify_cuda_backward(net, coords, gradient, radius);
}
PYBIND11_MODULE(TORCH_EXTENSION_NAME, m) {
m.def("forward", &corr_forward, "CORR forward");
m.def("backward", &corr_backward, "CORR backward");
m.def("patchify_forward", &patchify_forward, "PATCHIFY forward");
m.def("patchify_backward", &patchify_backward, "PATCHIFY backward");
} |