godot/thirdparty/oidn/core/output_reorder.h
Juan Linietsky 1bea8e1eac New lightmapper
-Added LocalVector (needed it)
-Added stb_rect_pack (It's pretty cool, we could probably use it for other stuff too)
-Fixes and changes all around the place
-Added library for 128 bits fixed point (required for Delaunay3D)
2020-05-10 15:59:09 -03:00

127 lines
3.8 KiB
C++

// ======================================================================== //
// Copyright 2009-2019 Intel Corporation //
// //
// Licensed under the Apache License, Version 2.0 (the "License"); //
// you may not use this file except in compliance with the License. //
// You may obtain a copy of the License at //
// //
// http://www.apache.org/licenses/LICENSE-2.0 //
// //
// Unless required by applicable law or agreed to in writing, software //
// distributed under the License is distributed on an "AS IS" BASIS, //
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //
// See the License for the specific language governing permissions and //
// limitations under the License. //
// ======================================================================== //
#pragma once
#include "node.h"
#include "image.h"
namespace oidn {
// Output reorder node
template<int K, class TransferFunction>
class OutputReorderNode : public Node
{
private:
// Source
std::shared_ptr<memory> src;
const float* srcPtr;
int H1;
int W1;
// Destination
Image output;
// Tile
int h1Begin;
int w1Begin;
int h2Begin;
int w2Begin;
int H;
int W;
std::shared_ptr<TransferFunction> transferFunc;
public:
OutputReorderNode(const std::shared_ptr<memory>& src,
const Image& output,
const std::shared_ptr<TransferFunction>& transferFunc)
: src(src),
output(output),
h1Begin(0), w1Begin(0),
h2Begin(0), w2Begin(0),
H(output.height), W(output.width),
transferFunc(transferFunc)
{
const mkldnn_memory_desc_t& srcDesc = src->get_desc().data;
MAYBE_UNUSED(srcDesc);
assert(memory_desc_matches_tag(srcDesc, mkldnn_format_tag_t(BlockedFormat<K>::nChwKc)));
assert(srcDesc.ndims == 4);
assert(srcDesc.data_type == memory::data_type::f32);
assert(srcDesc.dims[0] == 1);
// We assume output data is <= K OC
assert(srcDesc.dims[1] == K);
srcPtr = (float*)src->get_data_handle();
H1 = srcDesc.dims[2];
W1 = srcDesc.dims[3];
}
void setTile(int h1, int w1, int h2, int w2, int H, int W) override
{
h1Begin = h1;
w1Begin = w1;
h2Begin = h2;
w2Begin = w2;
this->H = H;
this->W = W;
}
void execute(stream& sm) override
{
assert(h1Begin + H <= H1);
assert(w1Begin + W <= W1);
assert(h2Begin + H <= output.height);
assert(w2Begin + W <= output.width);
const int C1 = K;
parallel_nd(H, [&](int h)
{
const int h1 = h + h1Begin;
const int h2 = h + h2Begin;
for (int w = 0; w < W; ++w)
{
const int w1 = w + w1Begin;
const int w2 = w + w2Begin;
float* dstPtr_C = (float*)output.get(h2, w2);
// Source is in nChwKc format. In this case C is 1 so this is really nhwc
const float* srcPtr_C = srcPtr + h1*W1*C1 + w1*C1;
#pragma unroll
for (int i = 0; i < 3; ++i)
{
// Load the value
float x = srcPtr_C[i];
// The CNN output may contain negative values or even NaNs, so it must be sanitized
x = maxSafe(x, 0.f);
// Apply the inverse transfer function
x = transferFunc->inverse(x);
// Sanitize and store the final value
dstPtr_C[i] = max(x, 0.f);
}
}
});
}
};
} // namespace oidn