virtualx-engine/thirdparty/oidn/core/autoencoder.h
jfons dd79d1ce78 Upgrade OpenImageDenoise to v1.1.0
Upgrade OIDN to 1.1.0, the latest stable version that doesn't need
the ISPC compiler.

Documented the changes made during the removal of TBB and added a patch
file for them.
2020-06-06 19:03:16 +02:00

120 lines
4.6 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 "filter.h"
#include "network.h"
#include "transfer_function.h"
namespace oidn {
// --------------------------------------------------------------------------
// AutoencoderFilter - Direct-predicting autoencoder
// --------------------------------------------------------------------------
class AutoencoderFilter : public Filter
{
protected:
static constexpr int alignment = 32; // required spatial alignment in pixels (padding may be necessary)
static constexpr int receptiveField = 222; // receptive field in pixels
static constexpr int overlap = roundUp(receptiveField / 2, alignment); // required spatial overlap between tiles in pixels
static constexpr int estimatedBytesBase = 16*1024*1024; // estimated base memory usage
static constexpr int estimatedBytesPerPixel8 = 889; // estimated memory usage per pixel for K=8
static constexpr int estimatedBytesPerPixel16 = 2185; // estimated memory usage per pixel for K=16
Image color;
Image albedo;
Image normal;
Image output;
bool hdr = false;
float hdrScale = std::numeric_limits<float>::quiet_NaN();
bool srgb = false;
int maxMemoryMB = 6000; // approximate maximum memory usage in MBs
int H = 0; // image height
int W = 0; // image width
int tileH = 0; // tile height
int tileW = 0; // tile width
int tileCountH = 1; // number of tiles in H dimension
int tileCountW = 1; // number of tiles in W dimension
std::shared_ptr<Executable> net;
std::shared_ptr<Node> inputReorder;
std::shared_ptr<Node> outputReorder;
struct
{
void* ldr = nullptr;
void* ldr_alb = nullptr;
void* ldr_alb_nrm = nullptr;
void* hdr = nullptr;
void* hdr_alb = nullptr;
void* hdr_alb_nrm = nullptr;
} weightData;
explicit AutoencoderFilter(const Ref<Device>& device);
virtual std::shared_ptr<TransferFunction> makeTransferFunc();
public:
void setImage(const std::string& name, const Image& data) override;
void set1i(const std::string& name, int value) override;
int get1i(const std::string& name) override;
void set1f(const std::string& name, float value) override;
float get1f(const std::string& name) override;
void commit() override;
void execute() override;
private:
void computeTileSize();
template<int K>
std::shared_ptr<Executable> buildNet();
bool isCommitted() const { return bool(net); }
};
// --------------------------------------------------------------------------
// RTFilter - Generic ray tracing denoiser
// --------------------------------------------------------------------------
// -- GODOT start --
// Godot doesn't need Raytracing filters. Removing them saves space in the weights files.
#if 0
// -- GODOT end --
class RTFilter : public AutoencoderFilter
{
public:
explicit RTFilter(const Ref<Device>& device);
};
// -- GODOT start --
#endif
// -- GODOT end --
// --------------------------------------------------------------------------
// RTLightmapFilter - Ray traced lightmap denoiser
// --------------------------------------------------------------------------
class RTLightmapFilter : public AutoencoderFilter
{
public:
explicit RTLightmapFilter(const Ref<Device>& device);
std::shared_ptr<TransferFunction> makeTransferFunc() override;
};
} // namespace oidn