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add the CPU backend

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This commit is contained in:
Ondrej Jamriska
2018-09-14 14:01:45 +02:00
parent 7742e68bd1
commit 93beddca07
21 changed files with 4195 additions and 2894 deletions
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5
README.md
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@@ -28,6 +28,7 @@ ebsynth -style <style.png> -guide <source.png> <target.png> -output <output.png>
-pyramidlevels <number>
-searchvoteiters <number>
-patchmatchiters <number>
-backend [cpu|cuda]
```
## Download
@@ -129,10 +130,6 @@ equalized to match the luminance of the source painting.
--------------------------------------------------------------------------
## Requirements
`ebsynth` needs a CUDA-capable gpu in order to run. Besides CUDA, there are no other external dependencies. A cpu-only version that doesn't require CUDA will be released later.
## License
The code is released into the public domain. You can do anything you want with it.

2
build-linux-cpu+cuda.sh Executable file
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@@ -0,0 +1,2 @@
#!/bin/sh
nvcc -arch compute_30 src/ebsynth.cpp src/ebsynth_cpu.cpp src/ebsynth_cuda.cu -I"include" -DNDEBUG -D__CORRECT_ISO_CPP11_MATH_H_PROTO -O6 -std=c++11 -w -Xcompiler -fopenmp -o bin/ebsynth

2
build-linux-cpu_only.sh Executable file
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@@ -0,0 +1,2 @@
#!/bin/sh
g++ src/ebsynth.cpp src/ebsynth_cpu.cpp src/ebsynth_nocuda.cpp -DNDEBUG -O6 -fopenmp -I"include" -std=c++11 -o bin/ebsynth

2
build-linux.sh
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@@ -1,2 +0,0 @@
#!/bin/sh
nvcc -arch compute_30 src/ebsynth.cu -o bin/ebsynth -I "include" -std=c++11 -Xcompiler "-DNDEBUG -O6 -D__CORRECT_ISO_CPP11_MATH_H_PROTO"

14
build-win32-cpu+cuda.bat Normal file
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@@ -0,0 +1,14 @@
@echo off
setlocal ENABLEDELAYEDEXPANSION
for %%V in (15,14,12,11) do if exist "!VS%%V0COMNTOOLS!" call "!VS%%V0COMNTOOLS!..\..\VC\vcvarsall.bat" x86 && goto compile
:compile
nvcc -m32 -arch compute_30 src\ebsynth.cpp src\ebsynth_cpu.cpp src\ebsynth_cuda.cu -DNDEBUG -O6 -I "include" -o "bin\ebsynth.exe" -Xcompiler "/openmp /fp:fast" -Xlinker "/IMPLIB:dummy.lib" -w || goto error
nvcc -m32 -arch compute_30 src\ebsynth.cpp src\ebsynth_cpu.cpp src\ebsynth_cuda.cu -DNDEBUG -O6 -I "include" -o "bin\ebsynth.dll" -Xcompiler "/openmp /fp:fast" -Xlinker "/IMPLIB:lib\ebsynth.lib" -shared -DEBSYNTH_API=__declspec(dllexport) -w || goto error
del dummy.lib;dummy.exp 2> NUL
goto :EOF
:error
echo FAILED
@%COMSPEC% /C exit 1 >nul

14
build-win32-cpu_only.bat Normal file
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@@ -0,0 +1,14 @@
@echo off
setlocal ENABLEDELAYEDEXPANSION
for %%V in (15,14,12,11) do if exist "!VS%%V0COMNTOOLS!" call "!VS%%V0COMNTOOLS!..\..\VC\vcvarsall.bat" x86 && goto compile
:compile
cl src\ebsynth.cpp src\ebsynth_cpu.cpp src\ebsynth_nocuda.cpp /DNDEBUG /O2 /openmp /EHsc /nologo /I"include" /Fe"bin\ebsynth.exe" || goto error
cl src\ebsynth.cpp src\ebsynth_cpu.cpp src\ebsynth_nocuda.cpp /DNDEBUG /O2 /openmp /EHsc /nologo /I"include" /Fe"bin\ebsynth.dll" /DEBSYNTH_API="__declspec(dllexport)" /link /IMPLIB:"lib\ebsynth.lib" || goto error
del ebsynth.obj;ebsynth_cpu.obj;ebsynth_nocuda.obj 2> NUL
goto :EOF
:error
echo FAILED
@%COMSPEC% /C exit 1 >nul

12
build-win32.bat
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@@ -1,12 +0,0 @@
@echo off
setlocal ENABLEDELAYEDEXPANSION
for %%V in (15,14,12,11) do if exist "!VS%%V0COMNTOOLS!" call "!VS%%V0COMNTOOLS!..\..\VC\vcvarsall.bat" x86 && goto compile
:compile
nvcc -arch compute_30 src\ebsynth.cu -m32 -O6 -w -I "include" -o "bin\ebsynth.exe" -Xcompiler "/DNDEBUG /Ox /Oy /Gy /Oi /fp:fast" -Xlinker "/IMPLIB:\"lib\ebsynth.lib\"" || goto error
goto :EOF
:error
echo FAILED
@%COMSPEC% /C exit 1 >nul

14
build-win64-cpu+cuda.bat Normal file
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@@ -0,0 +1,14 @@
@echo off
setlocal ENABLEDELAYEDEXPANSION
for %%V in (15,14,12,11) do if exist "!VS%%V0COMNTOOLS!" call "!VS%%V0COMNTOOLS!..\..\VC\vcvarsall.bat" amd64 && goto compile
:compile
nvcc -arch compute_30 src\ebsynth.cpp src\ebsynth_cpu.cpp src\ebsynth_cuda.cu -DNDEBUG -O6 -I "include" -o "bin\ebsynth.exe" -Xcompiler "/openmp /fp:fast" -Xlinker "/IMPLIB:dummy.lib" -w || goto error
nvcc -arch compute_30 src\ebsynth.cpp src\ebsynth_cpu.cpp src\ebsynth_cuda.cu -DNDEBUG -O6 -I "include" -o "bin\ebsynth.dll" -Xcompiler "/openmp /fp:fast" -Xlinker "/IMPLIB:lib\ebsynth.lib" -shared -DEBSYNTH_API=__declspec(dllexport) -w || goto error
del dummy.lib;dummy.exp 2> NUL
goto :EOF
:error
echo FAILED
@%COMSPEC% /C exit 1 >nul

14
build-win64-cpu_only.bat Normal file
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@@ -0,0 +1,14 @@
@echo off
setlocal ENABLEDELAYEDEXPANSION
for %%V in (15,14,12,11) do if exist "!VS%%V0COMNTOOLS!" call "!VS%%V0COMNTOOLS!..\..\VC\vcvarsall.bat" amd64 && goto compile
:compile
cl src\ebsynth.cpp src\ebsynth_cpu.cpp src\ebsynth_nocuda.cpp /DNDEBUG /O2 /openmp /EHsc /nologo /I"include" /Fe"bin\ebsynth.exe" || goto error
cl src\ebsynth.cpp src\ebsynth_cpu.cpp src\ebsynth_nocuda.cpp /DNDEBUG /O2 /openmp /EHsc /nologo /I"include" /Fe"bin\ebsynth.dll" /DEBSYNTH_API="__declspec(dllexport)" /link /IMPLIB:"lib\ebsynth.lib" || goto error
del ebsynth.obj;ebsynth_cpu.obj;ebsynth_nocuda.obj 2> NUL
goto :EOF
:error
echo FAILED
@%COMSPEC% /C exit 1 >nul

12
build-win64.bat
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@@ -1,12 +0,0 @@
@echo off
setlocal ENABLEDELAYEDEXPANSION
for %%V in (15,14,12,11) do if exist "!VS%%V0COMNTOOLS!" call "!VS%%V0COMNTOOLS!..\..\VC\vcvarsall.bat" amd64 && goto compile
:compile
nvcc -arch compute_30 src\ebsynth.cu -m64 -O6 -w -I "include" -o "bin\ebsynth.exe" -Xcompiler "/DNDEBUG /Ox /Oy /Gy /Oi /fp:fast" -Xlinker "/IMPLIB:\"lib\ebsynth.lib\"" || goto error
goto :EOF
:error
echo FAILED
@%COMSPEC% /C exit 1 >nul

551
src/ebsynth.cpp Normal file
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@@ -0,0 +1,551 @@
// This software is in the public domain. Where that dedication is not
// recognized, you are granted a perpetual, irrevocable license to copy
// and modify this file as you see fit.
#include "ebsynth.h"
#include "ebsynth_cpu.h"
#include "ebsynth_cuda.h"
#include <cstdio>
#include <cmath>
EBSYNTH_API
void ebsynthRun(int ebsynthBackend,
int numStyleChannels,
int numGuideChannels,
int sourceWidth,
int sourceHeight,
void* sourceStyleData,
void* sourceGuideData,
int targetWidth,
int targetHeight,
void* targetGuideData,
void* targetModulationData,
float* styleWeights,
float* guideWeights,
float uniformityWeight,
int patchSize,
int voteMode,
int numPyramidLevels,
int* numSearchVoteItersPerLevel,
int* numPatchMatchItersPerLevel,
int* stopThresholdPerLevel,
void* outputNnfData,
void* outputImageData)
{
void (*backendDispatch)(int,int,int,int,void*,void*,int,int,void*,void*,float*,float*,float,int,int,int,int*,int*,int*,void*,void*) = 0;
if (ebsynthBackend==EBSYNTH_BACKEND_CPU ) { backendDispatch = ebsynthRunCpu; }
else if (ebsynthBackend==EBSYNTH_BACKEND_CUDA) { backendDispatch = ebsynthRunCuda; }
else if (ebsynthBackend==EBSYNTH_BACKEND_AUTO) { backendDispatch = ebsynthBackendAvailableCuda() ? ebsynthRunCuda : ebsynthRunCpu; }
if (backendDispatch!=0)
{
backendDispatch(numStyleChannels,
numGuideChannels,
sourceWidth,
sourceHeight,
sourceStyleData,
sourceGuideData,
targetWidth,
targetHeight,
targetGuideData,
targetModulationData,
styleWeights,
guideWeights,
uniformityWeight,
patchSize,
voteMode,
numPyramidLevels,
numSearchVoteItersPerLevel,
numPatchMatchItersPerLevel,
stopThresholdPerLevel,
outputNnfData,
outputImageData);
}
}
EBSYNTH_API
int ebsynthBackendAvailable(int ebsynthBackend)
{
if (ebsynthBackend==EBSYNTH_BACKEND_CPU ) { return ebsynthBackendAvailableCpu(); }
else if (ebsynthBackend==EBSYNTH_BACKEND_CUDA) { return ebsynthBackendAvailableCuda(); }
else if (ebsynthBackend==EBSYNTH_BACKEND_AUTO) { return ebsynthBackendAvailableCpu() || ebsynthBackendAvailableCuda(); }
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#include <cstdio>
#include <cmath>
#include <vector>
#include <string>
#include <algorithm>
#include "jzq.h"
template<typename FUNC>
bool tryToParseArg(const std::vector<std::string>& args,int* inout_argi,const char* name,bool* out_fail,FUNC handler)
{
int& argi = *inout_argi;
bool& fail = *out_fail;
if (argi<0 || argi>=args.size()) { fail = true; return false; }
if (args[argi]==name)
{
argi++;
fail = !handler();
return true;
}
fail = false; return false;
}
bool tryToParseIntArg(const std::vector<std::string>& args,int* inout_argi,const char* name,int* out_value,bool* out_fail)
{
return tryToParseArg(args,inout_argi,name,out_fail,[&]
{
int& argi = *inout_argi;
if (argi<args.size())
{
const std::string& arg = args[argi];
try
{
std::size_t pos = 0;
*out_value = std::stoi(arg,&pos);
if (pos!=arg.size()) { printf("error: bad %s argument '%s'\n",name,arg.c_str()); return false; }
return true;
}
catch(...)
{
printf("error: bad %s argument '%s'\n",name,arg.c_str());
return false;
}
}
printf("error: missing argument for the %s option\n",name);
return false;
});
}
bool tryToParseFloatArg(const std::vector<std::string>& args,int* inout_argi,const char* name,float* out_value,bool* out_fail)
{
return tryToParseArg(args,inout_argi,name,out_fail,[&]
{
int& argi = *inout_argi;
if (argi<args.size())
{
const std::string& arg = args[argi];
try
{
std::size_t pos = 0;
*out_value = std::stof(arg,&pos);
if (pos!=arg.size()) { printf("error: bad %s argument '%s'\n",name,arg.c_str()); return false; }
return true;
}
catch(...)
{
printf("error: bad %s argument '%s'\n",name,args[argi].c_str());
return false;
}
}
printf("error: missing argument for the %s option\n",name);
return false;
});
}
bool tryToParseStringArg(const std::vector<std::string>& args,int* inout_argi,const char* name,std::string* out_value,bool* out_fail)
{
return tryToParseArg(args,inout_argi,name,out_fail,[&]
{
int& argi = *inout_argi;
if (argi<args.size())
{
*out_value = args[argi];
return true;
}
printf("error: missing argument for the %s option\n",name);
return false;
});
}
bool tryToParseStringPairArg(const std::vector<std::string>& args,int* inout_argi,const char* name,std::pair<std::string,std::string>* out_value,bool* out_fail)
{
return tryToParseArg(args,inout_argi,name,out_fail,[&]
{
int& argi = *inout_argi;
if ((argi+1)<args.size())
{
*out_value = std::make_pair(args[argi],args[argi+1]);
argi++;
return true;
}
printf("error: missing argument for the %s option\n",name);
return false;
});
}
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "stb_image_write.h"
unsigned char* tryLoad(const std::string& fileName,int* width,int* height)
{
unsigned char* data = stbi_load(fileName.c_str(),width,height,NULL,4);
if (data==NULL)
{
printf("error: failed to load '%s'\n",fileName.c_str());
printf("%s\n",stbi_failure_reason());
exit(1);
}
return data;
}
int evalNumChannels(const unsigned char* data,const int numPixels)
{
bool isGray = true;
bool hasAlpha = false;
for(int xy=0;xy<numPixels;xy++)
{
const unsigned char r = data[xy*4+0];
const unsigned char g = data[xy*4+1];
const unsigned char b = data[xy*4+2];
const unsigned char a = data[xy*4+3];
if (!(r==g && g==b)) { isGray = false; }
if (a<255) { hasAlpha = true; }
}
const int numChannels = (isGray ? 1 : 3) + (hasAlpha ? 1 : 0);
return numChannels;
}
V2i pyramidLevelSize(const V2i& sizeBase,const int level)
{
return V2i(V2f(sizeBase)*std::pow(2.0f,-float(level)));
}
std::string backendToString(const int ebsynthBackend)
{
if (ebsynthBackend==EBSYNTH_BACKEND_CPU) { return "cpu"; }
else if (ebsynthBackend==EBSYNTH_BACKEND_CUDA) { return "cuda"; }
else if (ebsynthBackend==EBSYNTH_BACKEND_AUTO) { return "auto"; }
return "unknown";
}
int main(int argc,char** argv)
{
if (argc<2)
{
printf("usage: %s [options]\n",argv[0]);
printf("\n");
printf("options:\n");
printf(" -style <style.png>\n");
printf(" -guide <source.png> <target.png>\n");
printf(" -output <output.png>\n");
printf(" -weight <value>\n");
printf(" -uniformity <value>\n");
printf(" -patchsize <size>\n");
printf(" -pyramidlevels <number>\n");
printf(" -searchvoteiters <number>\n");
printf(" -patchmatchiters <number>\n");
printf(" -stopthreshold <value>\n");
printf(" -backend [cpu|cuda]\n");
printf("\n");
return 1;
}
std::string styleFileName;
float styleWeight = NAN;
std::string outputFileName = "output.png";
struct Guide
{
std::string sourceFileName;
std::string targetFileName;
float weight;
int sourceWidth;
int sourceHeight;
unsigned char* sourceData;
int targetWidth;
int targetHeight;
unsigned char* targetData;
int numChannels;
};
std::vector<Guide> guides;
float uniformityWeight = 3500;
int patchSize = 5;
int numPyramidLevels = -1;
int numSearchVoteIters = 6;
int numPatchMatchIters = 4;
int stopThreshold = 5;
int backend = ebsynthBackendAvailable(EBSYNTH_BACKEND_CUDA) ? EBSYNTH_BACKEND_CUDA : EBSYNTH_BACKEND_CPU;
{
std::vector<std::string> args(argc);
for(int i=0;i<argc;i++) { args[i] = argv[i]; }
bool fail = false;
int argi = 1;
float* precedingStyleOrGuideWeight = 0;
while(argi<argc && !fail)
{
float weight;
std::pair<std::string,std::string> guidePair;
std::string backendName;
if (tryToParseStringArg(args,&argi,"-style",&styleFileName,&fail))
{
styleWeight = NAN;
precedingStyleOrGuideWeight = &styleWeight;
argi++;
}
else if (tryToParseStringPairArg(args,&argi,"-guide",&guidePair,&fail))
{
Guide guide;
guide.sourceFileName = guidePair.first;
guide.targetFileName = guidePair.second;
guide.weight = NAN;
guides.push_back(guide);
precedingStyleOrGuideWeight = &guides[guides.size()-1].weight;
argi++;
}
else if (tryToParseStringArg(args,&argi,"-output",&outputFileName,&fail))
{
argi++;
}
else if (tryToParseFloatArg(args,&argi,"-weight",&weight,&fail))
{
if (precedingStyleOrGuideWeight!=0) { *precedingStyleOrGuideWeight = weight; }
else { printf("error: at least one -style or -guide option must precede the -weight option!\n"); return 1; }
argi++;
}
else if (tryToParseFloatArg(args,&argi,"-uniformity",&uniformityWeight,&fail)) { argi++; }
else if (tryToParseIntArg(args,&argi,"-patchsize",&patchSize,&fail))
{
if (patchSize<3) { printf("error: patchsize is too small!\n"); return 1; }
if (patchSize%2==0) { printf("error: patchsize must be an odd number!\n"); return 1; }
argi++;
}
else if (tryToParseIntArg(args,&argi,"-pyramidlevels",&numPyramidLevels,&fail))
{
if (numPyramidLevels<1) { printf("error: bad argument for -pyramidlevels!\n"); return 1; }
argi++;
}
else if (tryToParseIntArg(args,&argi,"-searchvoteiters",&numSearchVoteIters,&fail))
{
if (numSearchVoteIters<0) { printf("error: bad argument for -searchvoteiters!\n"); return 1; }
argi++;
}
else if (tryToParseIntArg(args,&argi,"-patchmatchiters",&numPatchMatchIters,&fail))
{
if (numPatchMatchIters<0) { printf("error: bad argument for -patchmatchiters!\n"); return 1; }
argi++;
}
else if (tryToParseIntArg(args,&argi,"-stopthreshold",&stopThreshold,&fail))
{
if (stopThreshold<0) { printf("error: bad argument for -stopthreshold!\n"); return 1; }
argi++;
}
else if (tryToParseStringArg(args,&argi,"-backend",&backendName,&fail))
{
if (backendName=="cpu" ) { backend = EBSYNTH_BACKEND_CPU; }
else if (backendName=="cuda") { backend = EBSYNTH_BACKEND_CUDA; }
else { printf("error: unrecognized backend '%s'\n",backendName.c_str()); return 1; }
if (!ebsynthBackendAvailable(backend)) { printf("error: the %s backend is not available!\n",backendToString(backend).c_str()); return 1; }
argi++;
}
else
{
printf("error: unrecognized option '%s'\n",args[argi].c_str());
fail = true;
}
}
if (fail) { return 1; }
}
const int numGuides = guides.size();
int sourceWidth = 0;
int sourceHeight = 0;
unsigned char* sourceStyleData = tryLoad(styleFileName,&sourceWidth,&sourceHeight);
const int numStyleChannelsTotal = evalNumChannels(sourceStyleData,sourceWidth*sourceHeight);
std::vector<unsigned char> sourceStyle(sourceWidth*sourceHeight*numStyleChannelsTotal);
for(int xy=0;xy<sourceWidth*sourceHeight;xy++)
{
if (numStyleChannelsTotal>0) { sourceStyle[xy*numStyleChannelsTotal+0] = sourceStyleData[xy*4+0]; }
if (numStyleChannelsTotal==2) { sourceStyle[xy*numStyleChannelsTotal+1] = sourceStyleData[xy*4+3]; }
else if (numStyleChannelsTotal>1) { sourceStyle[xy*numStyleChannelsTotal+1] = sourceStyleData[xy*4+1]; }
if (numStyleChannelsTotal>2) { sourceStyle[xy*numStyleChannelsTotal+2] = sourceStyleData[xy*4+2]; }
if (numStyleChannelsTotal>3) { sourceStyle[xy*numStyleChannelsTotal+3] = sourceStyleData[xy*4+3]; }
}
int targetWidth = 0;
int targetHeight = 0;
int numGuideChannelsTotal = 0;
for(int i=0;i<numGuides;i++)
{
Guide& guide = guides[i];
guide.sourceData = tryLoad(guide.sourceFileName,&guide.sourceWidth,&guide.sourceHeight);
guide.targetData = tryLoad(guide.targetFileName,&guide.targetWidth,&guide.targetHeight);
if (guide.sourceWidth!=sourceWidth || guide.sourceHeight!=sourceHeight) { printf("error: source guide '%s' doesn't match the resolution of '%s'\n",guide.sourceFileName.c_str(),styleFileName.c_str()); return 1; }
if (i>0 && (guide.targetWidth!=targetWidth || guide.targetHeight!=targetHeight)) { printf("error: target guide '%s' doesn't match the resolution of '%s'\n",guide.targetFileName.c_str(),guides[0].targetFileName.c_str()); return 1; }
else if (i==0) { targetWidth = guide.targetWidth; targetHeight = guide.targetHeight; }
guide.numChannels = std::max(evalNumChannels(guide.sourceData,sourceWidth*sourceHeight),
evalNumChannels(guide.targetData,targetWidth*targetHeight));
numGuideChannelsTotal += guide.numChannels;
}
if (numStyleChannelsTotal>EBSYNTH_MAX_STYLE_CHANNELS) { printf("error: too many style channels (%d), maximum number is %d\n",numStyleChannelsTotal,EBSYNTH_MAX_STYLE_CHANNELS); return 1; }
if (numGuideChannelsTotal>EBSYNTH_MAX_GUIDE_CHANNELS) { printf("error: too many guide channels (%d), maximum number is %d\n",numGuideChannelsTotal,EBSYNTH_MAX_GUIDE_CHANNELS); return 1; }
std::vector<unsigned char> sourceGuides(sourceWidth*sourceHeight*numGuideChannelsTotal);
for(int xy=0;xy<sourceWidth*sourceHeight;xy++)
{
int c = 0;
for(int i=0;i<numGuides;i++)
{
const int numChannels = guides[i].numChannels;
if (numChannels>0) { sourceGuides[xy*numGuideChannelsTotal+c+0] = guides[i].sourceData[xy*4+0]; }
if (numChannels==2) { sourceGuides[xy*numGuideChannelsTotal+c+1] = guides[i].sourceData[xy*4+3]; }
else if (numChannels>1) { sourceGuides[xy*numGuideChannelsTotal+c+1] = guides[i].sourceData[xy*4+1]; }
if (numChannels>2) { sourceGuides[xy*numGuideChannelsTotal+c+2] = guides[i].sourceData[xy*4+2]; }
if (numChannels>3) { sourceGuides[xy*numGuideChannelsTotal+c+3] = guides[i].sourceData[xy*4+3]; }
c += numChannels;
}
}
std::vector<unsigned char> targetGuides(targetWidth*targetHeight*numGuideChannelsTotal);
for(int xy=0;xy<targetWidth*targetHeight;xy++)
{
int c = 0;
for(int i=0;i<numGuides;i++)
{
const int numChannels = guides[i].numChannels;
if (numChannels>0) { targetGuides[xy*numGuideChannelsTotal+c+0] = guides[i].targetData[xy*4+0]; }
if (numChannels==2) { targetGuides[xy*numGuideChannelsTotal+c+1] = guides[i].targetData[xy*4+3]; }
else if (numChannels>1) { targetGuides[xy*numGuideChannelsTotal+c+1] = guides[i].targetData[xy*4+1]; }
if (numChannels>2) { targetGuides[xy*numGuideChannelsTotal+c+2] = guides[i].targetData[xy*4+2]; }
if (numChannels>3) { targetGuides[xy*numGuideChannelsTotal+c+3] = guides[i].targetData[xy*4+3]; }
c += numChannels;
}
}
std::vector<float> styleWeights(numStyleChannelsTotal);
if (isnan(styleWeight)) { styleWeight = 1.0f; }
for(int i=0;i<numStyleChannelsTotal;i++) { styleWeights[i] = styleWeight / float(numStyleChannelsTotal); }
for(int i=0;i<numGuides;i++) { if (isnan(guides[i].weight)) { guides[i].weight = 1.0f/float(numGuides); } }
std::vector<float> guideWeights(numGuideChannelsTotal);
{
int c = 0;
for(int i=0;i<numGuides;i++)
{
const int numChannels = guides[i].numChannels;
for(int j=0;j<numChannels;j++)
{
guideWeights[c+j] = guides[i].weight / float(numChannels);
}
c += numChannels;
}
}
int maxPyramidLevels = 0;
for(int level=32;level>=0;level--)
{
if (min(pyramidLevelSize(std::min(V2i(sourceWidth,sourceHeight),V2i(targetWidth,targetHeight)),level)) >= (2*patchSize+1))
{
maxPyramidLevels = level+1;
break;
}
}
if (numPyramidLevels==-1) { numPyramidLevels = maxPyramidLevels; }
numPyramidLevels = std::min(numPyramidLevels,maxPyramidLevels);
std::vector<int> numSearchVoteItersPerLevel(numPyramidLevels);
std::vector<int> numPatchMatchItersPerLevel(numPyramidLevels);
std::vector<int> stopThresholdPerLevel(numPyramidLevels);
for(int i=0;i<numPyramidLevels;i++)
{
numSearchVoteItersPerLevel[i] = numSearchVoteIters;
numPatchMatchItersPerLevel[i] = numPatchMatchIters;
stopThresholdPerLevel[i] = stopThreshold;
}
std::vector<unsigned char> output(targetWidth*targetHeight*numStyleChannelsTotal);
printf("uniformity: %.0f\n",uniformityWeight);
printf("patchsize: %d\n",patchSize);
printf("pyramidlevels: %d\n",numPyramidLevels);
printf("searchvoteiters: %d\n",numSearchVoteIters);
printf("patchmatchiters: %d\n",numPatchMatchIters);
printf("stopthreshold: %d\n",stopThreshold);
printf("backend: %s\n",backendToString(backend).c_str());
ebsynthRun(backend,
numStyleChannelsTotal,
numGuideChannelsTotal,
sourceWidth,
sourceHeight,
sourceStyle.data(),
sourceGuides.data(),
targetWidth,
targetHeight,
targetGuides.data(),
NULL,
styleWeights.data(),
guideWeights.data(),
uniformityWeight,
patchSize,
EBSYNTH_VOTEMODE_PLAIN,
numPyramidLevels,
numSearchVoteItersPerLevel.data(),
numPatchMatchItersPerLevel.data(),
stopThresholdPerLevel.data(),
NULL,
output.data());
stbi_write_png(outputFileName.c_str(),targetWidth,targetHeight,numStyleChannelsTotal,output.data(),numStyleChannelsTotal*targetWidth);
printf("result was written to %s\n",outputFileName.c_str());
stbi_image_free(sourceStyleData);
for(int i=0;i<numGuides;i++)
{
stbi_image_free(guides[i].sourceData);
stbi_image_free(guides[i].targetData);
}
return 0;
}

1037
src/ebsynth_cpu.cpp Normal file
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File diff suppressed because it is too large Load Diff

32
src/ebsynth_cpu.h Normal file
View File

@@ -0,0 +1,32 @@
// This software is in the public domain. Where that dedication is not
// recognized, you are granted a perpetual, irrevocable license to copy
// and modify this file as you see fit.
#ifndef EBSYNTH_CPU_H_
#define EBSYNTH_CPU_H_
void ebsynthRunCpu(int numStyleChannels,
int numGuideChannels,
int sourceWidth,
int sourceHeight,
void* sourceStyleData,
void* sourceGuideData,
int targetWidth,
int targetHeight,
void* targetGuideData,
void* targetModulationData,
float* styleWeights,
float* guideWeights,
float uniformityWeight,
int patchSize,
int voteMode,
int numPyramidLevels,
int* numSearchVoteItersPerLevel,
int* numPatchMatchItersPerLevel,
int* stopThresholdPerLevel,
void* outputNnfData,
void* outputImageData);
int ebsynthBackendAvailableCpu();
#endif

904
src/ebsynth.cu → src/ebsynth_cuda.cu
View File

@@ -3,11 +3,369 @@
// and modify this file as you see fit.
#include "ebsynth.h"
#include "patchmatch_gpu.h"
#include "ebsynth_cuda_texarray2.h"
#include "ebsynth_cuda_memarray2.h"
#include <cmath>
#include <cfloat>
#include <stdint.h>
#define FOR(A,X,Y) for(int Y=0;Y<A.height();Y++) for(int X=0;X<A.width();X++)
A2V2i nnfInitRandom(const V2i& targetSize,
typedef Vec<1,float> V1f;
typedef Array2<Vec<1,float>> A2V1f;
struct pcgState
{
uint64_t state;
uint64_t increment;
};
__device__ void pcgAdvance(pcgState* rng)
{
rng->state = rng->state * 6364136223846793005ULL + rng->increment;
}
__device__ uint32_t pcgOutput(uint64_t state)
{
return (uint32_t)(((state >> 22u) ^ state) >> ((state >> 61u) + 22u));
}
__device__ uint32_t pcgRand(pcgState* rng)
{
uint64_t oldstate = rng->state;
pcgAdvance(rng);
return pcgOutput(oldstate);
}
__device__ void pcgInit(pcgState* rng,uint64_t seed,uint64_t stream)
{
rng->state = 0U;
rng->increment = (stream << 1u) | 1u;
pcgAdvance(rng);
rng->state += seed;
pcgAdvance(rng);
}
__global__ void krnlInitRngStates(const int width,
const int height,
pcgState* rngStates)
{
const int x = blockDim.x*blockIdx.x + threadIdx.x;
const int y = blockDim.y*blockIdx.y + threadIdx.y;
if (x<width && y<height)
{
const int idx = x+y*width;
pcgInit(&rngStates[idx],1337,idx);
}
}
pcgState* initGpuRng(const int width,
const int height)
{
pcgState* gpuRngStates;
cudaMalloc(&gpuRngStates,width*height*sizeof(pcgState));
const dim3 threadsPerBlock(16,16);
const dim3 numBlocks((width+threadsPerBlock.x)/threadsPerBlock.x,
(height+threadsPerBlock.y)/threadsPerBlock.y);
krnlInitRngStates<<<numBlocks,threadsPerBlock>>>(width,height,gpuRngStates);
return gpuRngStates;
}
template<typename FUNC>
__global__ void krnlEvalErrorPass(const int patchWidth,
FUNC patchError,
const TexArray2<2,int> NNF,
TexArray2<1,float> E)
{
const int x = blockDim.x*blockIdx.x + threadIdx.x;
const int y = blockDim.y*blockIdx.y + threadIdx.y;
if (x<NNF.width && y<NNF.height)
{
const V2i n = NNF(x,y);
E.write(x,y,V1f(patchError(patchWidth,x,y,n[0],n[1],FLT_MAX)));
}
}
void __device__ updateOmega(MemArray2<int>& Omega,const int patchWidth,const int bx,const int by,const int incdec)
{
const int r = patchWidth/2;
for(int oy=-r;oy<=+r;oy++)
for(int ox=-r;ox<=+r;ox++)
{
const int x = bx+ox;
const int y = by+oy;
atomicAdd(&Omega.data[x+y*Omega.width],incdec);
//Omega.data[x+y*Omega.width] += incdec;
}
}
int __device__ patchOmega(const int patchWidth,const int bx,const int by,const MemArray2<int>& Omega)
{
const int r = patchWidth/2;
int sum = 0;
for(int oy=-r;oy<=+r;oy++)
for(int ox=-r;ox<=+r;ox++)
{
const int x = bx+ox;
const int y = by+oy;
sum += Omega.data[x+y*Omega.width]; /// XXX: atomic read instead ??
}
return sum;
}
template<typename FUNC>
__device__ void tryPatch(const V2i& sizeA,
const V2i& sizeB,
MemArray2<int>& Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
const int ax,
const int ay,
const int bx,
const int by,
V2i& nbest,
float& ebest)
{
const float omegaBest = (float(sizeA(0)*sizeA(1)) /
float(sizeB(0)*sizeB(1))) * float(patchWidth*patchWidth);
const float curOcc = (float(patchOmega(patchWidth,nbest(0),nbest(1),Omega))/float(patchWidth*patchWidth))/omegaBest;
const float newOcc = (float(patchOmega(patchWidth, bx, by,Omega))/float(patchWidth*patchWidth))/omegaBest;
const float curErr = ebest;
const float newErr = patchError(patchWidth,ax,ay,bx,by,curErr+lambda*curOcc);
if ((newErr+lambda*newOcc) < (curErr+lambda*curOcc))
{
updateOmega(Omega,patchWidth, bx, by,+1);
updateOmega(Omega,patchWidth,nbest(0),nbest(1),-1);
nbest = V2i(bx,by);
ebest = newErr;
}
}
template<typename FUNC>
__device__ void tryNeighborsOffset(const int x,
const int y,
const int ox,
const int oy,
V2i& nbest,
float& ebest,
const V2i& sizeA,
const V2i& sizeB,
MemArray2<int>& Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
const TexArray2<2,int>& NNF)
{
const int hpw = patchWidth/2;
const V2i on = NNF(x+ox,y+oy);
const int nx = on(0)-ox;
const int ny = on(1)-oy;
if (nx>=hpw && nx<sizeB(0)-hpw &&
ny>=hpw && ny<sizeB(1)-hpw)
{
tryPatch(sizeA,sizeB,Omega,patchWidth,patchError,lambda,x,y,nx,ny,nbest,ebest);
}
}
template<typename FUNC>
__global__ void krnlPropagationPass(const V2i sizeA,
const V2i sizeB,
MemArray2<int> Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
const int r,
const TexArray2<2,int> NNF,
TexArray2<2,int> NNF2,
TexArray2<1,float> E,
TexArray2<1,unsigned char> mask)
{
const int x = blockDim.x*blockIdx.x + threadIdx.x;
const int y = blockDim.y*blockIdx.y + threadIdx.y;
if (x<sizeA(0) && y<sizeA(1))
{
V2i nbest = NNF(x,y);
float ebest = E(x,y)(0);
if (mask(x,y)[0]==255)
{
tryNeighborsOffset(x,y,-r,0,nbest,ebest,sizeA,sizeB,Omega,patchWidth,patchError,lambda,NNF);
tryNeighborsOffset(x,y,+r,0,nbest,ebest,sizeA,sizeB,Omega,patchWidth,patchError,lambda,NNF);
tryNeighborsOffset(x,y,0,-r,nbest,ebest,sizeA,sizeB,Omega,patchWidth,patchError,lambda,NNF);
tryNeighborsOffset(x,y,0,+r,nbest,ebest,sizeA,sizeB,Omega,patchWidth,patchError,lambda,NNF);
}
E.write(x,y,V1f(ebest));
NNF2.write(x,y,nbest);
}
}
template<typename FUNC>
__device__ void tryRandomOffsetInRadius(const int r,
const V2i& sizeA,
const V2i& sizeB,
MemArray2<int>& Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
const int x,
const int y,
const V2i& norg,
V2i& nbest,
float& ebest,
pcgState* rngState)
{
const int hpw = patchWidth/2;
const int xmin = max(norg(0)-r,hpw);
const int xmax = min(norg(0)+r,sizeB(0)-1-hpw);
const int ymin = max(norg(1)-r,hpw);
const int ymax = min(norg(1)+r,sizeB(1)-1-hpw);
const int nx = xmin+(pcgRand(rngState)%(xmax-xmin+1));
const int ny = ymin+(pcgRand(rngState)%(ymax-ymin+1));
tryPatch(sizeA,sizeB,Omega,patchWidth,patchError,lambda,x,y,nx,ny,nbest,ebest);
}
/*
template<typename FUNC>
__global__ void krnlRandomSearchPass(const V2i sizeA,
const V2i sizeB,
MemArray2<int> Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
TexArray2<2,int> NNF,
TexArray2<1,float> E,
TexArray2<1,unsigned char> mask,
pcgState* rngStates)
{
const int x = blockDim.x*blockIdx.x + threadIdx.x;
const int y = blockDim.y*blockIdx.y + threadIdx.y;
if (x<sizeA(0) && y<sizeA(1))
{
if (mask(x,y)[0]==255)
{
V2i nbest = NNF(x,y);
float ebest = E(x,y)(0);
const V2i norg = nbest;
for(int r=1;r<max(sizeB(0),sizeB(1))/2;r=r*2)
{
tryRandomOffsetInRadius(r,sizeA,sizeB,Omega,patchWidth,patchError,lambda,x,y,norg,nbest,ebest,&rngStates[x+y*NNF.width]);
}
E.write(x,y,V1f(ebest));
NNF.write(x,y,nbest);
}
}
}
*/
template<typename FUNC>
__global__ void krnlRandomSearchPass(const V2i sizeA,
const V2i sizeB,
MemArray2<int> Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
const int radius,
TexArray2<2,int> NNF,
TexArray2<1,float> E,
TexArray2<1,unsigned char> mask,
pcgState* rngStates)
{
const int x = blockDim.x*blockIdx.x + threadIdx.x;
const int y = blockDim.y*blockIdx.y + threadIdx.y;
if (x<sizeA(0) && y<sizeA(1))
{
if (mask(x,y)[0]==255)
{
V2i nbest = NNF(x,y);
float ebest = E(x,y)(0);
const V2i norg = nbest;
tryRandomOffsetInRadius(radius,sizeA,sizeB,Omega,patchWidth,patchError,lambda,x,y,norg,nbest,ebest,&rngStates[x+y*NNF.width]);
E.write(x,y,V1f(ebest));
NNF.write(x,y,nbest);
}
}
}
template<typename FUNC>
void patchmatchGPU(const V2i sizeA,
const V2i sizeB,
MemArray2<int>& Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
const int numIters,
const int numThreadsPerBlock,
TexArray2<2,int>& NNF,
TexArray2<2,int>& NNF2,
TexArray2<1,float>& E,
TexArray2<1,unsigned char>& mask,
pcgState* rngStates)
{
const dim3 threadsPerBlock = dim3(numThreadsPerBlock,numThreadsPerBlock);
const dim3 numBlocks = dim3((NNF.width+threadsPerBlock.x)/threadsPerBlock.x,
(NNF.height+threadsPerBlock.y)/threadsPerBlock.y);
krnlEvalErrorPass<<<numBlocks,threadsPerBlock>>>(patchWidth,patchError,NNF,E);
checkCudaError(cudaDeviceSynchronize());
for(int i=0;i<numIters;i++)
{
krnlPropagationPass<<<numBlocks,threadsPerBlock>>>(sizeA,sizeB,Omega,patchWidth,patchError,lambda,4,NNF,NNF2,E,mask); std::swap(NNF,NNF2);
checkCudaError(cudaDeviceSynchronize());
krnlPropagationPass<<<numBlocks,threadsPerBlock>>>(sizeA,sizeB,Omega,patchWidth,patchError,lambda,2,NNF,NNF2,E,mask); std::swap(NNF,NNF2);
checkCudaError(cudaDeviceSynchronize());
krnlPropagationPass<<<numBlocks,threadsPerBlock>>>(sizeA,sizeB,Omega,patchWidth,patchError,lambda,1,NNF,NNF2,E,mask); std::swap(NNF,NNF2);
checkCudaError(cudaDeviceSynchronize());
for(int r=1;r<max(sizeB(0),sizeB(1))/2;r=r*2)
{
krnlRandomSearchPass<<<numBlocks,threadsPerBlock>>>(sizeA,sizeB,Omega,patchWidth,patchError,lambda,r,NNF,E,mask,rngStates);
}
checkCudaError(cudaDeviceSynchronize());
}
krnlEvalErrorPass<<<numBlocks,threadsPerBlock>>>(patchWidth,patchError,NNF,E);
checkCudaError(cudaDeviceSynchronize());
}
static A2V2i nnfInitRandom(const V2i& targetSize,
const V2i& sourceSize,
const int patchSize)
{
@@ -26,7 +384,7 @@ A2V2i nnfInitRandom(const V2i& targetSize,
return NNF;
}
A2V2i nnfUpscale(const A2V2i& NNF,
static A2V2i nnfUpscale(const A2V2i& NNF,
const int patchSize,
const V2i& targetSize,
const V2i& sourceSize)
@@ -381,14 +739,13 @@ struct PatchSSD_Split_Modulation
}
};
V2i pyramidLevelSize(const V2i& sizeBase,const int numLevels,const int level)
static V2i pyramidLevelSize(const V2i& sizeBase,const int numLevels,const int level)
{
return V2i(V2f(sizeBase)*pow(2.0f,-float(numLevels-1-level)));
return V2i(V2f(sizeBase)*std::pow(2.0f,-float(numLevels-1-level)));
}
template<int NS,int NG>
void runEbsynth(int ebsynthBackend,
int numStyleChannels,
void ebsynthCuda(int numStyleChannels,
int numGuideChannels,
int sourceWidth,
int sourceHeight,
@@ -407,7 +764,8 @@ void runEbsynth(int ebsynthBackend,
int* numSearchVoteItersPerLevel,
int* numPatchMatchItersPerLevel,
int* stopThresholdPerLevel,
void* outputData)
void* outputNnfData,
void* outputImageData)
{
const int levelCount = numPyramidLevels;
@@ -706,7 +1064,11 @@ void runEbsynth(int ebsynthBackend,
}
}
if (level==levelCount-1) { copy(&outputData,pyramid[pyramid.size()-1].targetStyle); }
if (level==levelCount-1)
{
if (outputNnfData!=NULL) { copy(&outputNnfData,pyramid[level].NNF); }
copy(&outputImageData,pyramid[level].targetStyle);
}
pyramid[level].sourceStyle.destroy();
pyramid[level].sourceGuide.destroy();
@@ -726,8 +1088,7 @@ void runEbsynth(int ebsynthBackend,
checkCudaError( cudaFree(rngStates) );
}
EBSYNTH_API void ebsynthRun(int ebsynthBackend,
int numStyleChannels,
void ebsynthRunCuda(int numStyleChannels,
int numGuideChannels,
int sourceWidth,
int sourceHeight,
@@ -746,42 +1107,41 @@ EBSYNTH_API void ebsynthRun(int ebsynthBackend,
int* numSearchVoteItersPerLevel,
int* numPatchMatchItersPerLevel,
int* stopThresholdPerLevel,
void* outputData
)
void* outputNnfData,
void* outputImageData)
{
void (*const dispatchEbsynth[EBSYNTH_MAX_GUIDE_CHANNELS][EBSYNTH_MAX_STYLE_CHANNELS])(int,int,int,int,int,void*,void*,int,int,void*,void*,float*,float*,float,int,int,int,int*,int*,int*,void*) =
void (*const dispatchEbsynth[EBSYNTH_MAX_GUIDE_CHANNELS][EBSYNTH_MAX_STYLE_CHANNELS])(int,int,int,int,void*,void*,int,int,void*,void*,float*,float*,float,int,int,int,int*,int*,int*,void*,void*) =
{
{ runEbsynth<1, 1>, runEbsynth<2, 1>, runEbsynth<3, 1>, runEbsynth<4, 1>, runEbsynth<5, 1>, runEbsynth<6, 1>, runEbsynth<7, 1>, runEbsynth<8, 1> },
{ runEbsynth<1, 2>, runEbsynth<2, 2>, runEbsynth<3, 2>, runEbsynth<4, 2>, runEbsynth<5, 2>, runEbsynth<6, 2>, runEbsynth<7, 2>, runEbsynth<8, 2> },
{ runEbsynth<1, 3>, runEbsynth<2, 3>, runEbsynth<3, 3>, runEbsynth<4, 3>, runEbsynth<5, 3>, runEbsynth<6, 3>, runEbsynth<7, 3>, runEbsynth<8, 3> },
{ runEbsynth<1, 4>, runEbsynth<2, 4>, runEbsynth<3, 4>, runEbsynth<4, 4>, runEbsynth<5, 4>, runEbsynth<6, 4>, runEbsynth<7, 4>, runEbsynth<8, 4> },
{ runEbsynth<1, 5>, runEbsynth<2, 5>, runEbsynth<3, 5>, runEbsynth<4, 5>, runEbsynth<5, 5>, runEbsynth<6, 5>, runEbsynth<7, 5>, runEbsynth<8, 5> },
{ runEbsynth<1, 6>, runEbsynth<2, 6>, runEbsynth<3, 6>, runEbsynth<4, 6>, runEbsynth<5, 6>, runEbsynth<6, 6>, runEbsynth<7, 6>, runEbsynth<8, 6> },
{ runEbsynth<1, 7>, runEbsynth<2, 7>, runEbsynth<3, 7>, runEbsynth<4, 7>, runEbsynth<5, 7>, runEbsynth<6, 7>, runEbsynth<7, 7>, runEbsynth<8, 7> },
{ runEbsynth<1, 8>, runEbsynth<2, 8>, runEbsynth<3, 8>, runEbsynth<4, 8>, runEbsynth<5, 8>, runEbsynth<6, 8>, runEbsynth<7, 8>, runEbsynth<8, 8> },
{ runEbsynth<1, 9>, runEbsynth<2, 9>, runEbsynth<3, 9>, runEbsynth<4, 9>, runEbsynth<5, 9>, runEbsynth<6, 9>, runEbsynth<7, 9>, runEbsynth<8, 9> },
{ runEbsynth<1,10>, runEbsynth<2,10>, runEbsynth<3,10>, runEbsynth<4,10>, runEbsynth<5,10>, runEbsynth<6,10>, runEbsynth<7,10>, runEbsynth<8,10> },
{ runEbsynth<1,11>, runEbsynth<2,11>, runEbsynth<3,11>, runEbsynth<4,11>, runEbsynth<5,11>, runEbsynth<6,11>, runEbsynth<7,11>, runEbsynth<8,11> },
{ runEbsynth<1,12>, runEbsynth<2,12>, runEbsynth<3,12>, runEbsynth<4,12>, runEbsynth<5,12>, runEbsynth<6,12>, runEbsynth<7,12>, runEbsynth<8,12> },
{ runEbsynth<1,13>, runEbsynth<2,13>, runEbsynth<3,13>, runEbsynth<4,13>, runEbsynth<5,13>, runEbsynth<6,13>, runEbsynth<7,13>, runEbsynth<8,13> },
{ runEbsynth<1,14>, runEbsynth<2,14>, runEbsynth<3,14>, runEbsynth<4,14>, runEbsynth<5,14>, runEbsynth<6,14>, runEbsynth<7,14>, runEbsynth<8,14> },
{ runEbsynth<1,15>, runEbsynth<2,15>, runEbsynth<3,15>, runEbsynth<4,15>, runEbsynth<5,15>, runEbsynth<6,15>, runEbsynth<7,15>, runEbsynth<8,15> },
{ runEbsynth<1,16>, runEbsynth<2,16>, runEbsynth<3,16>, runEbsynth<4,16>, runEbsynth<5,16>, runEbsynth<6,16>, runEbsynth<7,16>, runEbsynth<8,16> },
{ runEbsynth<1,17>, runEbsynth<2,17>, runEbsynth<3,17>, runEbsynth<4,17>, runEbsynth<5,17>, runEbsynth<6,17>, runEbsynth<7,17>, runEbsynth<8,17> },
{ runEbsynth<1,18>, runEbsynth<2,18>, runEbsynth<3,18>, runEbsynth<4,18>, runEbsynth<5,18>, runEbsynth<6,18>, runEbsynth<7,18>, runEbsynth<8,18> },
{ runEbsynth<1,19>, runEbsynth<2,19>, runEbsynth<3,19>, runEbsynth<4,19>, runEbsynth<5,19>, runEbsynth<6,19>, runEbsynth<7,19>, runEbsynth<8,19> },
{ runEbsynth<1,20>, runEbsynth<2,20>, runEbsynth<3,20>, runEbsynth<4,20>, runEbsynth<5,20>, runEbsynth<6,20>, runEbsynth<7,20>, runEbsynth<8,20> },
{ runEbsynth<1,21>, runEbsynth<2,21>, runEbsynth<3,21>, runEbsynth<4,21>, runEbsynth<5,21>, runEbsynth<6,21>, runEbsynth<7,21>, runEbsynth<8,21> },
{ runEbsynth<1,22>, runEbsynth<2,22>, runEbsynth<3,22>, runEbsynth<4,22>, runEbsynth<5,22>, runEbsynth<6,22>, runEbsynth<7,22>, runEbsynth<8,22> },
{ runEbsynth<1,23>, runEbsynth<2,23>, runEbsynth<3,23>, runEbsynth<4,23>, runEbsynth<5,23>, runEbsynth<6,23>, runEbsynth<7,23>, runEbsynth<8,23> },
{ runEbsynth<1,24>, runEbsynth<2,24>, runEbsynth<3,24>, runEbsynth<4,24>, runEbsynth<5,24>, runEbsynth<6,24>, runEbsynth<7,24>, runEbsynth<8,24> }
{ ebsynthCuda<1, 1>, ebsynthCuda<2, 1>, ebsynthCuda<3, 1>, ebsynthCuda<4, 1>, ebsynthCuda<5, 1>, ebsynthCuda<6, 1>, ebsynthCuda<7, 1>, ebsynthCuda<8, 1> },
{ ebsynthCuda<1, 2>, ebsynthCuda<2, 2>, ebsynthCuda<3, 2>, ebsynthCuda<4, 2>, ebsynthCuda<5, 2>, ebsynthCuda<6, 2>, ebsynthCuda<7, 2>, ebsynthCuda<8, 2> },
{ ebsynthCuda<1, 3>, ebsynthCuda<2, 3>, ebsynthCuda<3, 3>, ebsynthCuda<4, 3>, ebsynthCuda<5, 3>, ebsynthCuda<6, 3>, ebsynthCuda<7, 3>, ebsynthCuda<8, 3> },
{ ebsynthCuda<1, 4>, ebsynthCuda<2, 4>, ebsynthCuda<3, 4>, ebsynthCuda<4, 4>, ebsynthCuda<5, 4>, ebsynthCuda<6, 4>, ebsynthCuda<7, 4>, ebsynthCuda<8, 4> },
{ ebsynthCuda<1, 5>, ebsynthCuda<2, 5>, ebsynthCuda<3, 5>, ebsynthCuda<4, 5>, ebsynthCuda<5, 5>, ebsynthCuda<6, 5>, ebsynthCuda<7, 5>, ebsynthCuda<8, 5> },
{ ebsynthCuda<1, 6>, ebsynthCuda<2, 6>, ebsynthCuda<3, 6>, ebsynthCuda<4, 6>, ebsynthCuda<5, 6>, ebsynthCuda<6, 6>, ebsynthCuda<7, 6>, ebsynthCuda<8, 6> },
{ ebsynthCuda<1, 7>, ebsynthCuda<2, 7>, ebsynthCuda<3, 7>, ebsynthCuda<4, 7>, ebsynthCuda<5, 7>, ebsynthCuda<6, 7>, ebsynthCuda<7, 7>, ebsynthCuda<8, 7> },
{ ebsynthCuda<1, 8>, ebsynthCuda<2, 8>, ebsynthCuda<3, 8>, ebsynthCuda<4, 8>, ebsynthCuda<5, 8>, ebsynthCuda<6, 8>, ebsynthCuda<7, 8>, ebsynthCuda<8, 8> },
{ ebsynthCuda<1, 9>, ebsynthCuda<2, 9>, ebsynthCuda<3, 9>, ebsynthCuda<4, 9>, ebsynthCuda<5, 9>, ebsynthCuda<6, 9>, ebsynthCuda<7, 9>, ebsynthCuda<8, 9> },
{ ebsynthCuda<1,10>, ebsynthCuda<2,10>, ebsynthCuda<3,10>, ebsynthCuda<4,10>, ebsynthCuda<5,10>, ebsynthCuda<6,10>, ebsynthCuda<7,10>, ebsynthCuda<8,10> },
{ ebsynthCuda<1,11>, ebsynthCuda<2,11>, ebsynthCuda<3,11>, ebsynthCuda<4,11>, ebsynthCuda<5,11>, ebsynthCuda<6,11>, ebsynthCuda<7,11>, ebsynthCuda<8,11> },
{ ebsynthCuda<1,12>, ebsynthCuda<2,12>, ebsynthCuda<3,12>, ebsynthCuda<4,12>, ebsynthCuda<5,12>, ebsynthCuda<6,12>, ebsynthCuda<7,12>, ebsynthCuda<8,12> },
{ ebsynthCuda<1,13>, ebsynthCuda<2,13>, ebsynthCuda<3,13>, ebsynthCuda<4,13>, ebsynthCuda<5,13>, ebsynthCuda<6,13>, ebsynthCuda<7,13>, ebsynthCuda<8,13> },
{ ebsynthCuda<1,14>, ebsynthCuda<2,14>, ebsynthCuda<3,14>, ebsynthCuda<4,14>, ebsynthCuda<5,14>, ebsynthCuda<6,14>, ebsynthCuda<7,14>, ebsynthCuda<8,14> },
{ ebsynthCuda<1,15>, ebsynthCuda<2,15>, ebsynthCuda<3,15>, ebsynthCuda<4,15>, ebsynthCuda<5,15>, ebsynthCuda<6,15>, ebsynthCuda<7,15>, ebsynthCuda<8,15> },
{ ebsynthCuda<1,16>, ebsynthCuda<2,16>, ebsynthCuda<3,16>, ebsynthCuda<4,16>, ebsynthCuda<5,16>, ebsynthCuda<6,16>, ebsynthCuda<7,16>, ebsynthCuda<8,16> },
{ ebsynthCuda<1,17>, ebsynthCuda<2,17>, ebsynthCuda<3,17>, ebsynthCuda<4,17>, ebsynthCuda<5,17>, ebsynthCuda<6,17>, ebsynthCuda<7,17>, ebsynthCuda<8,17> },
{ ebsynthCuda<1,18>, ebsynthCuda<2,18>, ebsynthCuda<3,18>, ebsynthCuda<4,18>, ebsynthCuda<5,18>, ebsynthCuda<6,18>, ebsynthCuda<7,18>, ebsynthCuda<8,18> },
{ ebsynthCuda<1,19>, ebsynthCuda<2,19>, ebsynthCuda<3,19>, ebsynthCuda<4,19>, ebsynthCuda<5,19>, ebsynthCuda<6,19>, ebsynthCuda<7,19>, ebsynthCuda<8,19> },
{ ebsynthCuda<1,20>, ebsynthCuda<2,20>, ebsynthCuda<3,20>, ebsynthCuda<4,20>, ebsynthCuda<5,20>, ebsynthCuda<6,20>, ebsynthCuda<7,20>, ebsynthCuda<8,20> },
{ ebsynthCuda<1,21>, ebsynthCuda<2,21>, ebsynthCuda<3,21>, ebsynthCuda<4,21>, ebsynthCuda<5,21>, ebsynthCuda<6,21>, ebsynthCuda<7,21>, ebsynthCuda<8,21> },
{ ebsynthCuda<1,22>, ebsynthCuda<2,22>, ebsynthCuda<3,22>, ebsynthCuda<4,22>, ebsynthCuda<5,22>, ebsynthCuda<6,22>, ebsynthCuda<7,22>, ebsynthCuda<8,22> },
{ ebsynthCuda<1,23>, ebsynthCuda<2,23>, ebsynthCuda<3,23>, ebsynthCuda<4,23>, ebsynthCuda<5,23>, ebsynthCuda<6,23>, ebsynthCuda<7,23>, ebsynthCuda<8,23> },
{ ebsynthCuda<1,24>, ebsynthCuda<2,24>, ebsynthCuda<3,24>, ebsynthCuda<4,24>, ebsynthCuda<5,24>, ebsynthCuda<6,24>, ebsynthCuda<7,24>, ebsynthCuda<8,24> }
};
if (numStyleChannels>=1 && numStyleChannels<=EBSYNTH_MAX_STYLE_CHANNELS &&
numGuideChannels>=1 && numGuideChannels<=EBSYNTH_MAX_GUIDE_CHANNELS)
{
dispatchEbsynth[numGuideChannels-1][numStyleChannels-1](ebsynthBackend,
numStyleChannels,
dispatchEbsynth[numGuideChannels-1][numStyleChannels-1](numStyleChannels,
numGuideChannels,
sourceWidth,
sourceHeight,
@@ -800,14 +1160,12 @@ EBSYNTH_API void ebsynthRun(int ebsynthBackend,
numSearchVoteItersPerLevel,
numPatchMatchItersPerLevel,
stopThresholdPerLevel,
outputData);
outputNnfData,
outputImageData);
}
}
EBSYNTH_API
int ebsynthBackendAvailable(int ebsynthBackend)
{
if (ebsynthBackend==EBSYNTH_BACKEND_CUDA)
int ebsynthBackendAvailableCuda()
{
int deviceCount = -1;
if (cudaGetDeviceCount(&deviceCount)!=cudaSuccess) { return 0; }
@@ -823,462 +1181,6 @@ int ebsynthBackendAvailable(int ebsynthBackend)
}
}
}
}
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#include <cstdio>
#include <cmath>
#include <vector>
#include <string>
#include <algorithm>
#include "jzq.h"
template<typename FUNC>
bool tryToParseArg(const std::vector<std::string>& args,int* inout_argi,const char* name,bool* out_fail,FUNC handler)
{
int& argi = *inout_argi;
bool& fail = *out_fail;
if (argi<0 || argi>=args.size()) { fail = true; return false; }
if (args[argi]==name)
{
argi++;
fail = !handler();
return true;
}
fail = false; return false;
}
bool tryToParseIntArg(const std::vector<std::string>& args,int* inout_argi,const char* name,int* out_value,bool* out_fail)
{
return tryToParseArg(args,inout_argi,name,out_fail,[&]
{
int& argi = *inout_argi;
if (argi<args.size())
{
const std::string& arg = args[argi];
try
{
std::size_t pos = 0;
*out_value = std::stoi(arg,&pos);
if (pos!=arg.size()) { printf("error: bad %s argument '%s'\n",name,arg.c_str()); return false; }
return true;
}
catch(...)
{
printf("error: bad %s argument '%s'\n",name,arg.c_str());
return false;
}
}
printf("error: missing argument for the %s option\n",name);
return false;
});
}
bool tryToParseFloatArg(const std::vector<std::string>& args,int* inout_argi,const char* name,float* out_value,bool* out_fail)
{
return tryToParseArg(args,inout_argi,name,out_fail,[&]
{
int& argi = *inout_argi;
if (argi<args.size())
{
const std::string& arg = args[argi];
try
{
std::size_t pos = 0;
*out_value = std::stof(arg,&pos);
if (pos!=arg.size()) { printf("error: bad %s argument '%s'\n",name,arg.c_str()); return false; }
return true;
}
catch(...)
{
printf("error: bad %s argument '%s'\n",name,args[argi].c_str());
return false;
}
}
printf("error: missing argument for the %s option\n",name);
return false;
});
}
bool tryToParseStringArg(const std::vector<std::string>& args,int* inout_argi,const char* name,std::string* out_value,bool* out_fail)
{
return tryToParseArg(args,inout_argi,name,out_fail,[&]
{
int& argi = *inout_argi;
if (argi<args.size())
{
*out_value = args[argi];
return true;
}
printf("error: missing argument for the %s option\n",name);
return false;
});
}
bool tryToParseStringPairArg(const std::vector<std::string>& args,int* inout_argi,const char* name,std::pair<std::string,std::string>* out_value,bool* out_fail)
{
return tryToParseArg(args,inout_argi,name,out_fail,[&]
{
int& argi = *inout_argi;
if ((argi+1)<args.size())
{
*out_value = std::make_pair(args[argi],args[argi+1]);
argi++;
return true;
}
printf("error: missing argument for the %s option\n",name);
return false;
});
}
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "stb_image_write.h"
unsigned char* tryLoad(const std::string& fileName,int* width,int* height)
{
unsigned char* data = stbi_load(fileName.c_str(),width,height,NULL,4);
if (data==NULL)
{
printf("error: failed to load '%s'\n",fileName.c_str());
printf("%s\n",stbi_failure_reason());
exit(1);
}
return data;
}
int evalNumChannels(const unsigned char* data,const int numPixels)
{
bool isGray = true;
bool hasAlpha = false;
for(int xy=0;xy<numPixels;xy++)
{
const unsigned char r = data[xy*4+0];
const unsigned char g = data[xy*4+1];
const unsigned char b = data[xy*4+2];
const unsigned char a = data[xy*4+3];
if (!(r==g && g==b)) { isGray = false; }
if (a<255) { hasAlpha = true; }
}
const int numChannels = (isGray ? 1 : 3) + (hasAlpha ? 1 : 0);
return numChannels;
}
V2i pyramidLevelSize(const V2i& sizeBase,const int level)
{
return V2i(V2f(sizeBase)*pow(2.0f,-float(level)));
}
int main(int argc,char** argv)
{
if (argc<2)
{
printf("usage: %s [options]\n",argv[0]);
printf("\n");
printf("options:\n");
printf(" -style <style.png>\n");
printf(" -guide <source.png> <target.png>\n");
printf(" -output <output.png>\n");
printf(" -weight <value>\n");
printf(" -uniformity <value>\n");
printf(" -patchsize <size>\n");
printf(" -pyramidlevels <number>\n");
printf(" -searchvoteiters <number>\n");
printf(" -patchmatchiters <number>\n");
printf(" -stopthreshold <value>\n");
printf("\n");
return 1;
}
std::string styleFileName;
float styleWeight = NAN;
std::string outputFileName = "output.png";
struct Guide
{
std::string sourceFileName;
std::string targetFileName;
float weight;
int sourceWidth;
int sourceHeight;
unsigned char* sourceData;
int targetWidth;
int targetHeight;
unsigned char* targetData;
int numChannels;
};
std::vector<Guide> guides;
float uniformityWeight = 3500;
int patchSize = 5;
int numPyramidLevels = -1;
int numSearchVoteIters = 6;
int numPatchMatchIters = 4;
int stopThreshold = 5;
std::string backend;
{
std::vector<std::string> args(argc);
for(int i=0;i<argc;i++) { args[i] = argv[i]; }
bool fail = false;
int argi = 1;
float* precedingStyleOrGuideWeight = 0;
while(argi<argc && !fail)
{
float weight;
std::pair<std::string,std::string> guidePair;
if (tryToParseStringArg(args,&argi,"-style",&styleFileName,&fail))
{
styleWeight = NAN;
precedingStyleOrGuideWeight = &styleWeight;
argi++;
}
else if (tryToParseStringPairArg(args,&argi,"-guide",&guidePair,&fail))
{
Guide guide;
guide.sourceFileName = guidePair.first;
guide.targetFileName = guidePair.second;
guide.weight = NAN;
guides.push_back(guide);
precedingStyleOrGuideWeight = &guides[guides.size()-1].weight;
argi++;
}
else if (tryToParseStringArg(args,&argi,"-output",&outputFileName,&fail))
{
argi++;
}
else if (tryToParseFloatArg(args,&argi,"-weight",&weight,&fail))
{
if (precedingStyleOrGuideWeight!=0) { *precedingStyleOrGuideWeight = weight; }
else { printf("error: at least one -style or -guide option must precede the -weight option!\n"); return 1; }
argi++;
}
else if (tryToParseFloatArg(args,&argi,"-uniformity",&uniformityWeight,&fail)) { argi++; }
else if (tryToParseIntArg(args,&argi,"-patchsize",&patchSize,&fail))
{
if (patchSize<3) { printf("error: patchsize is too small!\n"); return 1; }
if (patchSize%2==0) { printf("error: patchsize must be an odd number!\n"); return 1; }
argi++;
}
else if (tryToParseIntArg(args,&argi,"-pyramidlevels",&numPyramidLevels,&fail))
{
if (numPyramidLevels<1) { printf("error: bad argument for -pyramidlevels!\n"); return 1; }
argi++;
}
else if (tryToParseIntArg(args,&argi,"-searchvoteiters",&numSearchVoteIters,&fail))
{
if (numSearchVoteIters<0) { printf("error: bad argument for -searchvoteiters!\n"); return 1; }
argi++;
}
else if (tryToParseIntArg(args,&argi,"-patchmatchiters",&numPatchMatchIters,&fail))
{
if (numPatchMatchIters<0) { printf("error: bad argument for -patchmatchiters!\n"); return 1; }
argi++;
}
else if (tryToParseIntArg(args,&argi,"-stopthreshold",&stopThreshold,&fail))
{
if (stopThreshold<0) { printf("error: bad argument for -stopthreshold!\n"); return 1; }
argi++;
}
else
{
printf("error: unrecognized option '%s'\n",args[argi].c_str());
fail = true;
}
}
if (fail) { return 1; }
}
const int numGuides = guides.size();
int sourceWidth = 0;
int sourceHeight = 0;
unsigned char* sourceStyleData = tryLoad(styleFileName,&sourceWidth,&sourceHeight);
const int numStyleChannelsTotal = evalNumChannels(sourceStyleData,sourceWidth*sourceHeight);
std::vector<unsigned char> sourceStyle(sourceWidth*sourceHeight*numStyleChannelsTotal);
for(int xy=0;xy<sourceWidth*sourceHeight;xy++)
{
if (numStyleChannelsTotal>0) { sourceStyle[xy*numStyleChannelsTotal+0] = sourceStyleData[xy*4+0]; }
if (numStyleChannelsTotal==2) { sourceStyle[xy*numStyleChannelsTotal+1] = sourceStyleData[xy*4+3]; }
else if (numStyleChannelsTotal>1) { sourceStyle[xy*numStyleChannelsTotal+1] = sourceStyleData[xy*4+1]; }
if (numStyleChannelsTotal>2) { sourceStyle[xy*numStyleChannelsTotal+2] = sourceStyleData[xy*4+2]; }
if (numStyleChannelsTotal>3) { sourceStyle[xy*numStyleChannelsTotal+3] = sourceStyleData[xy*4+3]; }
}
int targetWidth = 0;
int targetHeight = 0;
int numGuideChannelsTotal = 0;
for(int i=0;i<numGuides;i++)
{
Guide& guide = guides[i];
guide.sourceData = tryLoad(guide.sourceFileName,&guide.sourceWidth,&guide.sourceHeight);
guide.targetData = tryLoad(guide.targetFileName,&guide.targetWidth,&guide.targetHeight);
if (guide.sourceWidth!=sourceWidth || guide.sourceHeight!=sourceHeight) { printf("error: source guide '%s' doesn't match the resolution of '%s'\n",guide.sourceFileName.c_str(),styleFileName.c_str()); return 1; }
if (i>0 && (guide.targetWidth!=targetWidth || guide.targetHeight!=targetHeight)) { printf("error: target guide '%s' doesn't match the resolution of '%s'\n",guide.targetFileName.c_str(),guides[0].targetFileName.c_str()); return 1; }
else if (i==0) { targetWidth = guide.targetWidth; targetHeight = guide.targetHeight; }
guide.numChannels = std::max(evalNumChannels(guide.sourceData,sourceWidth*sourceHeight),
evalNumChannels(guide.targetData,targetWidth*targetHeight));
numGuideChannelsTotal += guide.numChannels;
}
if (numStyleChannelsTotal>EBSYNTH_MAX_STYLE_CHANNELS) { printf("error: too many style channels (%d), maximum number is %d\n",numStyleChannelsTotal,EBSYNTH_MAX_STYLE_CHANNELS); return 1; }
if (numGuideChannelsTotal>EBSYNTH_MAX_GUIDE_CHANNELS) { printf("error: too many guide channels (%d), maximum number is %d\n",numGuideChannelsTotal,EBSYNTH_MAX_GUIDE_CHANNELS); return 1; }
std::vector<unsigned char> sourceGuides(sourceWidth*sourceHeight*numGuideChannelsTotal);
for(int xy=0;xy<sourceWidth*sourceHeight;xy++)
{
int c = 0;
for(int i=0;i<numGuides;i++)
{
const int numChannels = guides[i].numChannels;
if (numChannels>0) { sourceGuides[xy*numGuideChannelsTotal+c+0] = guides[i].sourceData[xy*4+0]; }
if (numChannels==2) { sourceGuides[xy*numGuideChannelsTotal+c+1] = guides[i].sourceData[xy*4+3]; }
else if (numChannels>1) { sourceGuides[xy*numGuideChannelsTotal+c+1] = guides[i].sourceData[xy*4+1]; }
if (numChannels>2) { sourceGuides[xy*numGuideChannelsTotal+c+2] = guides[i].sourceData[xy*4+2]; }
if (numChannels>3) { sourceGuides[xy*numGuideChannelsTotal+c+3] = guides[i].sourceData[xy*4+3]; }
c += numChannels;
}
}
std::vector<unsigned char> targetGuides(targetWidth*targetHeight*numGuideChannelsTotal);
for(int xy=0;xy<targetWidth*targetHeight;xy++)
{
int c = 0;
for(int i=0;i<numGuides;i++)
{
const int numChannels = guides[i].numChannels;
if (numChannels>0) { targetGuides[xy*numGuideChannelsTotal+c+0] = guides[i].targetData[xy*4+0]; }
if (numChannels==2) { targetGuides[xy*numGuideChannelsTotal+c+1] = guides[i].targetData[xy*4+3]; }
else if (numChannels>1) { targetGuides[xy*numGuideChannelsTotal+c+1] = guides[i].targetData[xy*4+1]; }
if (numChannels>2) { targetGuides[xy*numGuideChannelsTotal+c+2] = guides[i].targetData[xy*4+2]; }
if (numChannels>3) { targetGuides[xy*numGuideChannelsTotal+c+3] = guides[i].targetData[xy*4+3]; }
c += numChannels;
}
}
std::vector<float> styleWeights(numStyleChannelsTotal);
if (isnan(styleWeight)) { styleWeight = 1.0f; }
for(int i=0;i<numStyleChannelsTotal;i++) { styleWeights[i] = styleWeight / float(numStyleChannelsTotal); }
for(int i=0;i<numGuides;i++) { if (isnan(guides[i].weight)) { guides[i].weight = 1.0f/float(numGuides); } }
std::vector<float> guideWeights(numGuideChannelsTotal);
{
int c = 0;
for(int i=0;i<numGuides;i++)
{
const int numChannels = guides[i].numChannels;
for(int j=0;j<numChannels;j++)
{
guideWeights[c+j] = guides[i].weight / float(numChannels);
}
c += numChannels;
}
}
int maxPyramidLevels = 0;
for(int level=32;level>=0;level--)
{
if (min(pyramidLevelSize(std::min(V2i(sourceWidth,sourceHeight),V2i(targetWidth,targetHeight)),level)) >= (2*patchSize+1))
{
maxPyramidLevels = level+1;
break;
}
}
if (numPyramidLevels==-1) { numPyramidLevels = maxPyramidLevels; }
numPyramidLevels = std::min(numPyramidLevels,maxPyramidLevels);
std::vector<int> numSearchVoteItersPerLevel(numPyramidLevels);
std::vector<int> numPatchMatchItersPerLevel(numPyramidLevels);
std::vector<int> stopThresholdPerLevel(numPyramidLevels);
for(int i=0;i<numPyramidLevels;i++)
{
numSearchVoteItersPerLevel[i] = numSearchVoteIters;
numPatchMatchItersPerLevel[i] = numPatchMatchIters;
stopThresholdPerLevel[i] = stopThreshold;
}
std::vector<unsigned char> output(targetWidth*targetHeight*numStyleChannelsTotal);
printf("uniformity: %.0f\n",uniformityWeight);
printf("patchsize: %d\n",patchSize);
printf("pyramidlevels: %d\n",numPyramidLevels);
printf("searchvoteiters: %d\n",numSearchVoteIters);
printf("patchmatchiters: %d\n",numPatchMatchIters);
printf("stopthreshold: %d\n",stopThreshold);
if (!ebsynthBackendAvailable(EBSYNTH_BACKEND_CUDA)) { printf("error: the CUDA backend is not available!\n"); return 1; }
ebsynthRun(EBSYNTH_BACKEND_CUDA,
numStyleChannelsTotal,
numGuideChannelsTotal,
sourceWidth,
sourceHeight,
sourceStyle.data(),
sourceGuides.data(),
targetWidth,
targetHeight,
targetGuides.data(),
NULL,
styleWeights.data(),
guideWeights.data(),
uniformityWeight,
patchSize,
EBSYNTH_VOTEMODE_PLAIN,
numPyramidLevels,
numSearchVoteItersPerLevel.data(),
numPatchMatchItersPerLevel.data(),
stopThresholdPerLevel.data(),
output.data());
stbi_write_png(outputFileName.c_str(),targetWidth,targetHeight,numStyleChannelsTotal,output.data(),numStyleChannelsTotal*targetWidth);
printf("result was written to %s\n",outputFileName.c_str());
stbi_image_free(sourceStyleData);
for(int i=0;i<numGuides;i++)
{
stbi_image_free(guides[i].sourceData);
stbi_image_free(guides[i].targetData);
}
return 0;
}

32
src/ebsynth_cuda.h Normal file
View File

@@ -0,0 +1,32 @@
// This software is in the public domain. Where that dedication is not
// recognized, you are granted a perpetual, irrevocable license to copy
// and modify this file as you see fit.
#ifndef EBSYNTH_CUDA_H_
#define EBSYNTH_CUDA_H_
void ebsynthRunCuda(int numStyleChannels,
int numGuideChannels,
int sourceWidth,
int sourceHeight,
void* sourceStyleData,
void* sourceGuideData,
int targetWidth,
int targetHeight,
void* targetGuideData,
void* targetModulationData,
float* styleWeights,
float* guideWeights,
float uniformityWeight,
int patchSize,
int voteMode,
int numPyramidLevels,
int* numSearchVoteItersPerLevel,
int* numPatchMatchItersPerLevel,
int* stopThresholdPerLevel,
void* outputNnfData,
void* outputImageData);
int ebsynthBackendAvailableCuda();
#endif

4
src/cudacheck.h → src/ebsynth_cuda_check.h
View File

@@ -1,5 +1,5 @@
#ifndef CUDACHECK_H_
#define CUDACHECK_H_
#ifndef EBSYNTH_CUDA_CHECK_H_
#define EBSYNTH_CUDA_CHECK_H_
template<typename T>
bool checkCudaError_(T result,char const* const func,const char* const file,int const line)

6
src/memarray2.h → src/ebsynth_cuda_memarray2.h
View File

@@ -2,11 +2,11 @@
// recognized, you are granted a perpetual, irrevocable license to copy
// and modify this file as you see fit.
#ifndef MEMARRAY2_H_
#define MEMARRAY2_H_
#ifndef EBSYNTH_CUDA_MEMARRAY2_H_
#define EBSYNTH_CUDA_MEMARRAY2_H_
#include "jzq.h"
//#include "cudacheck.h"
#include "ebsynth_cuda_check.h"
template<typename T>
struct MemArray2

6
src/texarray2.h → src/ebsynth_cuda_texarray2.h
View File

@@ -2,11 +2,11 @@
// recognized, you are granted a perpetual, irrevocable license to copy
// and modify this file as you see fit.
#ifndef TEXARRAY2_H_
#define TEXARRAY2_H_
#ifndef EBSYNTH_CUDA_TEXARRAY2_H_
#define EBSYNTH_CUDA_TEXARRAY2_H_
#include "jzq.h"
#include "cudacheck.h"
#include "ebsynth_cuda_check.h"
#include <cuda_runtime.h>

33
src/ebsynth_nocuda.cpp Normal file
View File

@@ -0,0 +1,33 @@
// This software is in the public domain. Where that dedication is not
// recognized, you are granted a perpetual, irrevocable license to copy
// and modify this file as you see fit.
void ebsynthRunCuda(int numStyleChannels,
int numGuideChannels,
int sourceWidth,
int sourceHeight,
void* sourceStyleData,
void* sourceGuideData,
int targetWidth,
int targetHeight,
void* targetGuideData,
void* targetModulationData,
float* styleWeights,
float* guideWeights,
float uniformityWeight,
int patchSize,
int voteMode,
int numPyramidLevels,
int* numSearchVoteItersPerLevel,
int* numPatchMatchItersPerLevel,
int* stopThresholdPerLevel,
void* outputNnfData,
void* outputImageData)
{
}
int ebsynthBackendAvailableCuda()
{
return 0;
}

287
src/jzq.h
View File

@@ -13,10 +13,16 @@
#include <string>
#include <algorithm>
template<typename T> struct zero { static __host__ __device__ T value(); };
#ifdef __CUDACC__
#define JZQ_DECORATOR __host__ __device__
#else
#define JZQ_DECORATOR
#endif
template<typename T> inline T clamp(const T& x,const T& xmin,const T& xmax);
template<typename T> inline T lerp(const T& a,const T& b,const T& t);
template<typename T> struct zero { static JZQ_DECORATOR T value(); };
template<typename T> JZQ_DECORATOR inline T clamp(const T& x,const T& xmin,const T& xmax);
template<typename T> JZQ_DECORATOR inline T lerp(const T& a,const T& b,float t);
inline std::string spf(const std::string fmt,...);
@@ -25,53 +31,53 @@ struct Vec
{
T v[N];
__host__ __device__ Vec<N,T>();
template<typename T2> __host__ __device__ explicit Vec<N,T>(const Vec<N,T2>& u);
explicit __host__ __device__ Vec<N,T>(T v0);
JZQ_DECORATOR Vec<N,T>();
template<typename T2> JZQ_DECORATOR explicit Vec<N,T>(const Vec<N,T2>& u);
explicit JZQ_DECORATOR Vec<N,T>(T v0);
__host__ __device__ Vec<N,T>(T v0,T v1);
__host__ __device__ Vec<N,T>(T v0,T v1,T v2);
__host__ __device__ Vec<N,T>(T v0,T v1,T v2,T v3);
__host__ __device__ Vec<N,T>(T v0,T v1,T v2,T v3,T v4);
__host__ __device__ Vec<N,T>(T v0,T v1,T v2,T v3,T v4,T v5);
JZQ_DECORATOR Vec<N,T>(T v0,T v1);
JZQ_DECORATOR Vec<N,T>(T v0,T v1,T v2);
JZQ_DECORATOR Vec<N,T>(T v0,T v1,T v2,T v3);
JZQ_DECORATOR Vec<N,T>(T v0,T v1,T v2,T v3,T v4);
JZQ_DECORATOR Vec<N,T>(T v0,T v1,T v2,T v3,T v4,T v5);
__host__ __device__ T& operator()(int i);
__host__ __device__ const T& operator()(int i) const;
__host__ __device__ T& operator[](int i);
__host__ __device__ const T& operator[](int i) const;
JZQ_DECORATOR T& operator()(int i);
JZQ_DECORATOR const T& operator()(int i) const;
JZQ_DECORATOR T& operator[](int i);
JZQ_DECORATOR const T& operator[](int i) const;
__host__ __device__ Vec<N,T> operator*=(const Vec<N,T>& u);
__host__ __device__ Vec<N,T> operator+=(const Vec<N,T>& u);
JZQ_DECORATOR Vec<N,T> operator*=(const Vec<N,T>& u);
JZQ_DECORATOR Vec<N,T> operator+=(const Vec<N,T>& u);
__host__ __device__ Vec<N,T> operator*=(T s);
__host__ __device__ Vec<N,T> operator+=(T s);
JZQ_DECORATOR Vec<N,T> operator*=(T s);
JZQ_DECORATOR Vec<N,T> operator+=(T s);
};
template<int N,typename T> Vec<N,T> __host__ __device__ operator-(const Vec<N,T>& u);
template<int N,typename T> Vec<N,T> __host__ __device__ operator+(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,T> __host__ __device__ operator-(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,T> __host__ __device__ operator-(const Vec<N,T>& u,const T v);
template<int N,typename T> Vec<N,T> __host__ __device__ operator*(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,T> __host__ __device__ operator/(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,T> __host__ __device__ operator*(const T s,const Vec<N,T>& u);
template<int N,typename T> Vec<N,T> __host__ __device__ operator*(const Vec<N,T>& u,const T s);
template<int N,typename T> Vec<N,T> __host__ __device__ operator/(const Vec<N,T>& u,const T s);
template<int N,typename T> Vec<N,T> JZQ_DECORATOR operator-(const Vec<N,T>& u);
template<int N,typename T> Vec<N,T> JZQ_DECORATOR operator+(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,T> JZQ_DECORATOR operator-(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,T> JZQ_DECORATOR operator-(const Vec<N,T>& u,const T v);
template<int N,typename T> Vec<N,T> JZQ_DECORATOR operator*(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,T> JZQ_DECORATOR operator/(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,T> JZQ_DECORATOR operator*(const T s,const Vec<N,T>& u);
template<int N,typename T> Vec<N,T> JZQ_DECORATOR operator*(const Vec<N,T>& u,const T s);
template<int N,typename T> Vec<N,T> JZQ_DECORATOR operator/(const Vec<N,T>& u,const T s);
template<int N,typename T> Vec<N,bool> __host__ __device__ operator<(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,bool> __host__ __device__ operator>(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,bool> __host__ __device__ operator<=(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,bool> __host__ __device__ operator>=(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,bool> __host__ __device__ operator==(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,bool> __host__ __device__ operator!=(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,bool> JZQ_DECORATOR operator<(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,bool> JZQ_DECORATOR operator>(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,bool> JZQ_DECORATOR operator<=(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,bool> JZQ_DECORATOR operator>=(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,bool> JZQ_DECORATOR operator==(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> Vec<N,bool> JZQ_DECORATOR operator!=(const Vec<N,T>& u,const Vec<N,T>& v);
template<int N,typename T> inline T dot(const Vec<N,T>& u,const Vec<N,T>& v);
template<typename T> inline T cross(const Vec<2,T> &a,const Vec<2,T> &b);
template<typename T> inline Vec<3,T> cross(const Vec<3,T> &a,const Vec<3,T> &b);
template<int N,typename T> inline T norm(const Vec<N,T>& u);
template<int N,typename T> inline Vec<N,T> normalize(const Vec<N,T>& u);
template<int N,typename T> inline T min(const Vec<N,T>& u);
template<int N,typename T> inline T max(const Vec<N,T>& u);
template<int N,typename T> inline T sum(const Vec<N,T>& u);
template<int N,typename T> JZQ_DECORATOR inline T dot(const Vec<N,T>& u,const Vec<N,T>& v);
template<typename T> JZQ_DECORATOR inline T cross(const Vec<2,T> &a,const Vec<2,T> &b);
template<typename T> JZQ_DECORATOR inline Vec<3,T> cross(const Vec<3,T> &a,const Vec<3,T> &b);
template<int N,typename T> JZQ_DECORATOR inline T norm(const Vec<N,T>& u);
template<int N,typename T> JZQ_DECORATOR inline Vec<N,T> normalize(const Vec<N,T>& u);
template<int N,typename T> JZQ_DECORATOR inline T min(const Vec<N,T>& u);
template<int N,typename T> JZQ_DECORATOR inline T max(const Vec<N,T>& u);
template<int N,typename T> JZQ_DECORATOR inline T sum(const Vec<N,T>& u);
namespace std
{
template<int N,typename T> inline Vec<N,T> min(const Vec<N,T>& u,const Vec<N,T>& v);
@@ -196,6 +202,7 @@ public:
const T* data() const;
void clear();
void swap(Array3<T>& b);
bool empty() const;
private:
Vec<3,int> s;
@@ -542,19 +549,19 @@ typedef Array3< Vec<4,unsigned short> > A3V4us;
typedef Array3< Vec<4,char> > A3V4c;
typedef Array3< Vec<4,unsigned char> > A3V4uc;
template<> struct zero<char > { static __host__ __device__ char value() { return 0; } };
template<> struct zero<unsigned char > { static __host__ __device__ unsigned char value() { return 0; } };
template<> struct zero<short > { static __host__ __device__ short value() { return 0; } };
template<> struct zero<unsigned short> { static __host__ __device__ unsigned short value() { return 0; } };
template<> struct zero<int > { static __host__ __device__ int value() { return 0; } };
template<> struct zero<unsigned int > { static __host__ __device__ unsigned int value() { return 0; } };
template<> struct zero<float > { static __host__ __device__ float value() { return 0.0f; } };
template<> struct zero<double > { static __host__ __device__ double value() { return 0.0; } };
template<> struct zero<char > { static JZQ_DECORATOR char value() { return 0; } };
template<> struct zero<unsigned char > { static JZQ_DECORATOR unsigned char value() { return 0; } };
template<> struct zero<short > { static JZQ_DECORATOR short value() { return 0; } };
template<> struct zero<unsigned short> { static JZQ_DECORATOR unsigned short value() { return 0; } };
template<> struct zero<int > { static JZQ_DECORATOR int value() { return 0; } };
template<> struct zero<unsigned int > { static JZQ_DECORATOR unsigned int value() { return 0; } };
template<> struct zero<float > { static JZQ_DECORATOR float value() { return 0.0f; } };
template<> struct zero<double > { static JZQ_DECORATOR double value() { return 0.0; } };
template<int N,typename T>
struct zero<Vec<N,T>>
{
static __host__ __device__ Vec<N,T> value()
static JZQ_DECORATOR Vec<N,T> value()
{
Vec<N,T> z;
for(int i=0;i<N;i++) { z[i] = zero<T>::value(); }
@@ -565,7 +572,7 @@ struct zero<Vec<N,T>>
template<int M,int N,typename T>
struct zero<Mat<M,N,T>>
{
static __host__ __device__ Mat<M,N,T> value()
static JZQ_DECORATOR Mat<M,N,T> value()
{
Mat<M,N,T> z;
for(int i=0;i<M;i++)
@@ -577,16 +584,16 @@ struct zero<Mat<M,N,T>>
}
};
template <typename T> inline
template <typename T> JZQ_DECORATOR inline
T clamp(const T& x,const T& xmin,const T& xmax)
{
return std::min(std::max(x,xmin),xmax);
}
template <typename T> inline
T lerp(const T& a,const T& b,const T& t)
template <typename T> JZQ_DECORATOR inline
T lerp(const T& a,const T& b,float t)
{
return (1.0-t)*a+t*b;
return (1.0f-t)*a+t*b;
}
inline std::string spf(const std::string fmt,...)
@@ -623,13 +630,13 @@ inline std::string spf(const std::string fmt,...)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T>::Vec()
{
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T>::Vec(T v0)
{
assert(N==1);
@@ -637,7 +644,7 @@ Vec<N,T>::Vec(T v0)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T>::Vec(T v0,T v1)
{
assert(N==2);
@@ -645,7 +652,7 @@ Vec<N,T>::Vec(T v0,T v1)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T>::Vec(T v0,T v1,T v2)
{
assert(N==3);
@@ -653,7 +660,7 @@ Vec<N,T>::Vec(T v0,T v1,T v2)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T>::Vec(T v0,T v1,T v2,T v3)
{
assert(N==4);
@@ -661,7 +668,7 @@ Vec<N,T>::Vec(T v0,T v1,T v2,T v3)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T>::Vec(T v0,T v1,T v2,T v3,T v4)
{
assert(N==5);
@@ -669,7 +676,7 @@ Vec<N,T>::Vec(T v0,T v1,T v2,T v3,T v4)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T>::Vec(T v0,T v1,T v2,T v3,T v4,T v5)
{
assert(N==6);
@@ -677,7 +684,7 @@ Vec<N,T>::Vec(T v0,T v1,T v2,T v3,T v4,T v5)
}
template<int N,typename T> template<typename T2>
__host__ __device__
JZQ_DECORATOR
Vec<N,T>::Vec(const Vec<N,T2>& u)
{
for(int i=0;i<N;i++)
@@ -687,7 +694,7 @@ Vec<N,T>::Vec(const Vec<N,T2>& u)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
T& Vec<N,T>::operator()(int i)
{
assert(i>=0 && i<N);
@@ -695,7 +702,7 @@ T& Vec<N,T>::operator()(int i)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
const T& Vec<N,T>::operator()(int i) const
{
assert(i>=0 && i<N);
@@ -703,7 +710,7 @@ const T& Vec<N,T>::operator()(int i) const
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
T& Vec<N,T>::operator[](int i)
{
assert(i>=0 && i<N);
@@ -711,7 +718,7 @@ T& Vec<N,T>::operator[](int i)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
const T& Vec<N,T>::operator[](int i) const
{
assert(i>=0 && i<N);
@@ -719,7 +726,7 @@ const T& Vec<N,T>::operator[](int i) const
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> Vec<N,T>::operator*=(const Vec<N,T>& u)
{
for(int i=0;i<N;i++) v[i]*=u(i);
@@ -727,7 +734,7 @@ Vec<N,T> Vec<N,T>::operator*=(const Vec<N,T>& u)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> Vec<N,T>::operator+=(const Vec<N,T>& u)
{
for(int i=0;i<N;i++) v[i]+=u(i);
@@ -735,7 +742,7 @@ Vec<N,T> Vec<N,T>::operator+=(const Vec<N,T>& u)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> Vec<N,T>::operator*=(T s)
{
for(int i=0;i<N;i++) v[i]*=s;
@@ -743,7 +750,7 @@ Vec<N,T> Vec<N,T>::operator*=(T s)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> Vec<N,T>::operator+=(T s)
{
for(int i=0;i<N;i++) v[i]+=s;
@@ -751,7 +758,7 @@ Vec<N,T> Vec<N,T>::operator+=(T s)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> operator-(const Vec<N,T>& u)
{
Vec<N,T> r;
@@ -760,7 +767,7 @@ Vec<N,T> operator-(const Vec<N,T>& u)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> operator+(const Vec<N,T>& u,const Vec<N,T>& v)
{
Vec<N,T> r;
@@ -769,7 +776,7 @@ Vec<N,T> operator+(const Vec<N,T>& u,const Vec<N,T>& v)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> operator-(const Vec<N,T>& u,const Vec<N,T>& v)
{
Vec<N,T> r;
@@ -778,7 +785,7 @@ Vec<N,T> operator-(const Vec<N,T>& u,const Vec<N,T>& v)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> operator-(const Vec<N,T>& u,const T v)
{
Vec<N,T> r;
@@ -787,7 +794,7 @@ Vec<N,T> operator-(const Vec<N,T>& u,const T v)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> operator*(const Vec<N,T>& u,const Vec<N,T>& v)
{
Vec<N,T> r;
@@ -796,7 +803,7 @@ Vec<N,T> operator*(const Vec<N,T>& u,const Vec<N,T>& v)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> operator/(const Vec<N,T>& u,const Vec<N,T>& v)
{
Vec<N,T> r;
@@ -805,7 +812,7 @@ Vec<N,T> operator/(const Vec<N,T>& u,const Vec<N,T>& v)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> operator*(const T s,const Vec<N,T>& u)
{
Vec<N,T> r;
@@ -814,7 +821,7 @@ Vec<N,T> operator*(const T s,const Vec<N,T>& u)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> operator*(const Vec<N,T>& u,const T s)
{
Vec<N,T> r;
@@ -823,7 +830,7 @@ Vec<N,T> operator*(const Vec<N,T>& u,const T s)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,T> operator/(const Vec<N,T>& u,const T s)
{
Vec<N,T> r;
@@ -832,7 +839,7 @@ Vec<N,T> operator/(const Vec<N,T>& u,const T s)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,bool> operator<(const Vec<N,T>& u,const Vec<N,T>& v)
{
Vec<N,bool> r;
@@ -841,7 +848,7 @@ Vec<N,bool> operator<(const Vec<N,T>& u,const Vec<N,T>& v)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,bool> operator>(const Vec<N,T>& u,const Vec<N,T>& v)
{
Vec<N,bool> r;
@@ -850,7 +857,7 @@ Vec<N,bool> operator>(const Vec<N,T>& u,const Vec<N,T>& v)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,bool> operator<=(const Vec<N,T>& u,const Vec<N,T>& v)
{
Vec<N,bool> r;
@@ -859,7 +866,7 @@ Vec<N,bool> operator<=(const Vec<N,T>& u,const Vec<N,T>& v)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,bool> operator>=(const Vec<N,T>& u,const Vec<N,T>& v)
{
Vec<N,bool> r;
@@ -868,7 +875,7 @@ Vec<N,bool> operator>=(const Vec<N,T>& u,const Vec<N,T>& v)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,bool> operator==(const Vec<N,T>& u,const Vec<N,T>& v)
{
Vec<N,bool> r;
@@ -877,7 +884,7 @@ Vec<N,bool> operator==(const Vec<N,T>& u,const Vec<N,T>& v)
}
template<int N,typename T>
__host__ __device__
JZQ_DECORATOR
Vec<N,bool> operator!=(const Vec<N,T>& u,const Vec<N,T>& v)
{
Vec<N,bool> r;
@@ -886,7 +893,7 @@ Vec<N,bool> operator!=(const Vec<N,T>& u,const Vec<N,T>& v)
}
template<int N,typename T>
inline T dot(const Vec<N,T>& u,const Vec<N,T>& v)
JZQ_DECORATOR inline T dot(const Vec<N,T>& u,const Vec<N,T>& v)
{
assert(N>0);
T sumprod = u(0)*v(0);
@@ -895,13 +902,13 @@ inline T dot(const Vec<N,T>& u,const Vec<N,T>& v)
}
template<typename T>
inline T cross(const Vec<2,T> &a,const Vec<2,T> &b)
JZQ_DECORATOR inline T cross(const Vec<2,T> &a,const Vec<2,T> &b)
{
return a[0]*b[1]-a[1]*b[0];
}
template<typename T>
inline Vec<3,T> cross(const Vec<3,T> &a,const Vec<3,T> &b)
JZQ_DECORATOR inline Vec<3,T> cross(const Vec<3,T> &a,const Vec<3,T> &b)
{
return Vec<3,T>(a[1]*b[2]-a[2]*b[1],
a[2]*b[0]-a[0]*b[2],
@@ -909,19 +916,19 @@ inline Vec<3,T> cross(const Vec<3,T> &a,const Vec<3,T> &b)
}
template<int N,typename T>
inline T norm(const Vec<N,T>& u)
JZQ_DECORATOR inline T norm(const Vec<N,T>& u)
{
return std::sqrt(dot(u,u));
}
template<int N,typename T>
inline Vec<N,T> normalize(const Vec<N,T>& u)
JZQ_DECORATOR inline Vec<N,T> normalize(const Vec<N,T>& u)
{
return u/norm(u);
}
template<int N>
inline bool any(const Vec<N,bool>& u)
JZQ_DECORATOR inline bool any(const Vec<N,bool>& u)
{
for(int i=0;i<N;i++)
{
@@ -931,7 +938,7 @@ inline bool any(const Vec<N,bool>& u)
}
template<int N>
inline bool all(const Vec<N,bool>& u)
JZQ_DECORATOR inline bool all(const Vec<N,bool>& u)
{
for(int i=0;i<N;i++)
{
@@ -941,7 +948,7 @@ inline bool all(const Vec<N,bool>& u)
}
template<int N,typename T>
inline T min(const Vec<N,T>& u)
JZQ_DECORATOR inline T min(const Vec<N,T>& u)
{
assert(N>0);
@@ -959,7 +966,7 @@ inline T min(const Vec<N,T>& u)
}
template<int N,typename T>
inline T max(const Vec<N,T>& u)
JZQ_DECORATOR inline T max(const Vec<N,T>& u)
{
assert(N>0);
@@ -977,7 +984,7 @@ inline T max(const Vec<N,T>& u)
}
template<int N,typename T>
inline T sum(const Vec<N,T>& u)
JZQ_DECORATOR inline T sum(const Vec<N,T>& u)
{
assert(N>0);
@@ -1868,6 +1875,12 @@ void Array3<T>::swap(Array3<T>& b)
b.d = tmp_d;
}
template<typename T>
bool Array3<T>::empty() const
{
return (numel()==0);
}
template<typename T>
Vec3i size(const Array3<T>& a)
{
@@ -1898,4 +1911,84 @@ void swap(Array3<T>& a,Array3<T>& b)
a.swap(b);
}
template<typename T>
void fill(Array3<T>* a,const T& value)
{
assert(a!=0);
assert(a->numel()>0);
const int n = a->numel();
T* d = a->data();
for(int i=0;i<n;i++) d[i] = value;
}
template<typename T>
Array3<T> a3read(const std::string& fileName)
{
Array3<T> A;
if(!a3read(&A,fileName)) { return Array3<T>(); }
return A;
}
template<typename T>
bool a3read(Array3<T>* out_A,const std::string& fileName)
{
FILE* f = fopen(fileName.c_str(),"rb");
if(!f) { return false; }
int w,h,d,s;
if(fread(&w,sizeof(w),1,f)!=1 ||
fread(&h,sizeof(h),1,f)!=1 ||
fread(&d,sizeof(d),1,f)!=1 ||
fread(&s,sizeof(s),1,f)!=1 ||
((w*h*d)<1) || s!=sizeof(T))
{
fclose(f);
return false;
}
Array3<T> A(w,h,d);
if(fread(A.data(),sizeof(T)*w*h*d,1,f)!=1)
{
fclose(f);
return false;
}
if(out_A!=0) { *out_A = A; }
fclose(f);
return true;
}
template<typename T>
bool a3write(const Array3<T>& A,const std::string& fileName)
{
if(A.numel()==0) { return false; }
FILE* f = fopen(fileName.c_str(),"wb");
if(!f) { return false; }
const int w = A.width();
const int h = A.height();
const int d = A.depth();
const int s = sizeof(T);
if(fwrite(&w,sizeof(w),1,f)!=1 ||
fwrite(&h,sizeof(h),1,f)!=1 ||
fwrite(&d,sizeof(d),1,f)!=1 ||
fwrite(&s,sizeof(s),1,f)!=1 ||
fwrite(A.data(),sizeof(T)*w*h*d,1,f)!=1)
{
fclose(f);
return false;
}
fclose(f);
return true;
}
#endif

410
src/patchmatch_gpu.h
View File

@@ -1,410 +0,0 @@
// This software is in the public domain. Where that dedication is not
// recognized, you are granted a perpetual, irrevocable license to copy
// and modify this file as you see fit.
#ifndef PATCHMATCH_GPU_H_
#define PATCHMATCH_GPU_H_
#include <stdint.h>
#include <cfloat>
#include "texarray2.h"
#include "memarray2.h"
struct pcgState
{
uint64_t state;
uint64_t increment;
};
__device__ void pcgAdvance(pcgState* rng)
{
rng->state = rng->state * 6364136223846793005ULL + rng->increment;
}
__device__ uint32_t pcgOutput(uint64_t state)
{
return (uint32_t)(((state >> 22u) ^ state) >> ((state >> 61u) + 22u));
}
__device__ uint32_t pcgRand(pcgState* rng)
{
uint64_t oldstate = rng->state;
pcgAdvance(rng);
return pcgOutput(oldstate);
}
__device__ void pcgInit(pcgState* rng,uint64_t seed,uint64_t stream)
{
rng->state = 0U;
rng->increment = (stream << 1u) | 1u;
pcgAdvance(rng);
rng->state += seed;
pcgAdvance(rng);
}
typedef Vec<1,float> V1f;
typedef Array2<Vec<1,float>> A2V1f;
__global__ void krnlInitRngStates(const int width,
const int height,
pcgState* rngStates)
{
const int x = blockDim.x*blockIdx.x + threadIdx.x;
const int y = blockDim.y*blockIdx.y + threadIdx.y;
if (x<width && y<height)
{
const int idx = x+y*width;
pcgInit(&rngStates[idx],1337,idx);
}
}
pcgState* initGpuRng(const int width,
const int height)
{
pcgState* gpuRngStates;
cudaMalloc(&gpuRngStates,width*height*sizeof(pcgState));
const dim3 threadsPerBlock(16,16);
const dim3 numBlocks((width+threadsPerBlock.x)/threadsPerBlock.x,
(height+threadsPerBlock.y)/threadsPerBlock.y);
krnlInitRngStates<<<numBlocks,threadsPerBlock>>>(width,height,gpuRngStates);
return gpuRngStates;
}
template<int N,typename T,int M>
struct PatchSSD
{
const TexArray2<N,T,M> A;
const TexArray2<N,T,M> B;
const Vec<N,float> weights;
PatchSSD(const TexArray2<N,T,M>& A,
const TexArray2<N,T,M>& B,
const Vec<N,float>& weights)
: A(A),B(B),weights(weights) {}
__device__ float operator()(int patchWidth,
const int ax,
const int ay,
const int bx,
const int by,
const float ebest)
{
const int hpw = patchWidth/2;
float ssd = 0;
for(int py=-hpw;py<=+hpw;py++)
{
for(int px=-hpw;px<=+hpw;px++)
{
const Vec<N,T> pixelA = A(ax + px, ay + py);
const Vec<N,T> pixelB = B(bx + px, by + py);
for(int i=0;i<N;i++)
{
const float diff = float(pixelA[i])-float(pixelB[i]);
ssd += weights[i]*diff*diff;
}
}
if (ssd>ebest) { return ssd; }
}
return ssd;
}
};
template<typename FUNC>
__global__ void krnlEvalErrorPass(const int patchWidth,
FUNC patchError,
const TexArray2<2,int> NNF,
TexArray2<1,float> E)
{
const int x = blockDim.x*blockIdx.x + threadIdx.x;
const int y = blockDim.y*blockIdx.y + threadIdx.y;
if (x<NNF.width && y<NNF.height)
{
const V2i n = NNF(x,y);
E.write(x,y,V1f(patchError(patchWidth,x,y,n[0],n[1],FLT_MAX)));
}
}
void __device__ updateOmega(MemArray2<int>& Omega,const int patchWidth,const int bx,const int by,const int incdec)
{
const int r = patchWidth/2;
for(int oy=-r;oy<=+r;oy++)
for(int ox=-r;ox<=+r;ox++)
{
const int x = bx+ox;
const int y = by+oy;
atomicAdd(&Omega.data[x+y*Omega.width],incdec);
//Omega.data[x+y*Omega.width] += incdec;
}
}
int __device__ patchOmega(const int patchWidth,const int bx,const int by,const MemArray2<int>& Omega)
{
const int r = patchWidth/2;
int sum = 0;
for(int oy=-r;oy<=+r;oy++)
for(int ox=-r;ox<=+r;ox++)
{
const int x = bx+ox;
const int y = by+oy;
sum += Omega.data[x+y*Omega.width]; /// XXX: atomic read instead ??
}
return sum;
}
template<typename FUNC>
__device__ void tryPatch(const V2i& sizeA,
const V2i& sizeB,
MemArray2<int>& Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
const int ax,
const int ay,
const int bx,
const int by,
V2i& nbest,
float& ebest)
{
const float omegaBest = (float(sizeA(0)*sizeA(1)) /
float(sizeB(0)*sizeB(1))) * float(patchWidth*patchWidth);
const float curOcc = (float(patchOmega(patchWidth,nbest(0),nbest(1),Omega))/float(patchWidth*patchWidth))/omegaBest;
const float newOcc = (float(patchOmega(patchWidth, bx, by,Omega))/float(patchWidth*patchWidth))/omegaBest;
const float curErr = ebest;
const float newErr = patchError(patchWidth,ax,ay,bx,by,curErr+lambda*curOcc);
if ((newErr+lambda*newOcc) < (curErr+lambda*curOcc))
{
updateOmega(Omega,patchWidth, bx, by,+1);
updateOmega(Omega,patchWidth,nbest(0),nbest(1),-1);
nbest = V2i(bx,by);
ebest = newErr;
}
}
template<typename FUNC>
__device__ void tryNeighborsOffset(const int x,
const int y,
const int ox,
const int oy,
V2i& nbest,
float& ebest,
const V2i& sizeA,
const V2i& sizeB,
MemArray2<int>& Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
const TexArray2<2,int>& NNF)
{
const int hpw = patchWidth/2;
const V2i on = NNF(x+ox,y+oy);
const int nx = on(0)-ox;
const int ny = on(1)-oy;
if (nx>=hpw && nx<sizeB(0)-hpw &&
ny>=hpw && ny<sizeB(1)-hpw)
{
tryPatch(sizeA,sizeB,Omega,patchWidth,patchError,lambda,x,y,nx,ny,nbest,ebest);
}
}
template<typename FUNC>
__global__ void krnlPropagationPass(const V2i sizeA,
const V2i sizeB,
MemArray2<int> Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
const int r,
const TexArray2<2,int> NNF,
TexArray2<2,int> NNF2,
TexArray2<1,float> E,
TexArray2<1,unsigned char> mask)
{
const int x = blockDim.x*blockIdx.x + threadIdx.x;
const int y = blockDim.y*blockIdx.y + threadIdx.y;
if (x<sizeA(0) && y<sizeA(1))
{
V2i nbest = NNF(x,y);
float ebest = E(x,y)(0);
if (mask(x,y)[0]==255)
{
tryNeighborsOffset(x,y,-r,0,nbest,ebest,sizeA,sizeB,Omega,patchWidth,patchError,lambda,NNF);
tryNeighborsOffset(x,y,+r,0,nbest,ebest,sizeA,sizeB,Omega,patchWidth,patchError,lambda,NNF);
tryNeighborsOffset(x,y,0,-r,nbest,ebest,sizeA,sizeB,Omega,patchWidth,patchError,lambda,NNF);
tryNeighborsOffset(x,y,0,+r,nbest,ebest,sizeA,sizeB,Omega,patchWidth,patchError,lambda,NNF);
}
E.write(x,y,V1f(ebest));
NNF2.write(x,y,nbest);
}
}
template<typename FUNC>
__device__ void tryRandomOffsetInRadius(const int r,
const V2i& sizeA,
const V2i& sizeB,
MemArray2<int>& Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
const int x,
const int y,
const V2i& norg,
V2i& nbest,
float& ebest,
pcgState* rngState)
{
const int hpw = patchWidth/2;
const int xmin = max(norg(0)-r,hpw);
const int xmax = min(norg(0)+r,sizeB(0)-1-hpw);
const int ymin = max(norg(1)-r,hpw);
const int ymax = min(norg(1)+r,sizeB(1)-1-hpw);
const int nx = xmin+(pcgRand(rngState)%(xmax-xmin+1));
const int ny = ymin+(pcgRand(rngState)%(ymax-ymin+1));
tryPatch(sizeA,sizeB,Omega,patchWidth,patchError,lambda,x,y,nx,ny,nbest,ebest);
}
/*
template<typename FUNC>
__global__ void krnlRandomSearchPass(const V2i sizeA,
const V2i sizeB,
MemArray2<int> Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
TexArray2<2,int> NNF,
TexArray2<1,float> E,
TexArray2<1,unsigned char> mask,
pcgState* rngStates)
{
const int x = blockDim.x*blockIdx.x + threadIdx.x;
const int y = blockDim.y*blockIdx.y + threadIdx.y;
if (x<sizeA(0) && y<sizeA(1))
{
if (mask(x,y)[0]==255)
{
V2i nbest = NNF(x,y);
float ebest = E(x,y)(0);
const V2i norg = nbest;
for(int r=1;r<max(sizeB(0),sizeB(1))/2;r=r*2)
{
tryRandomOffsetInRadius(r,sizeA,sizeB,Omega,patchWidth,patchError,lambda,x,y,norg,nbest,ebest,&rngStates[x+y*NNF.width]);
}
E.write(x,y,V1f(ebest));
NNF.write(x,y,nbest);
}
}
}
*/
template<typename FUNC>
__global__ void krnlRandomSearchPass(const V2i sizeA,
const V2i sizeB,
MemArray2<int> Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
const int radius,
TexArray2<2,int> NNF,
TexArray2<1,float> E,
TexArray2<1,unsigned char> mask,
pcgState* rngStates)
{
const int x = blockDim.x*blockIdx.x + threadIdx.x;
const int y = blockDim.y*blockIdx.y + threadIdx.y;
if (x<sizeA(0) && y<sizeA(1))
{
if (mask(x,y)[0]==255)
{
V2i nbest = NNF(x,y);
float ebest = E(x,y)(0);
const V2i norg = nbest;
tryRandomOffsetInRadius(radius,sizeA,sizeB,Omega,patchWidth,patchError,lambda,x,y,norg,nbest,ebest,&rngStates[x+y*NNF.width]);
E.write(x,y,V1f(ebest));
NNF.write(x,y,nbest);
}
}
}
template<typename FUNC>
void patchmatchGPU(const V2i sizeA,
const V2i sizeB,
MemArray2<int>& Omega,
const int patchWidth,
FUNC patchError,
const float lambda,
const int numIters,
const int numThreadsPerBlock,
TexArray2<2,int>& NNF,
TexArray2<2,int>& NNF2,
TexArray2<1,float>& E,
TexArray2<1,unsigned char>& mask,
pcgState* rngStates)
{
const dim3 threadsPerBlock = dim3(numThreadsPerBlock,numThreadsPerBlock);
const dim3 numBlocks = dim3((NNF.width+threadsPerBlock.x)/threadsPerBlock.x,
(NNF.height+threadsPerBlock.y)/threadsPerBlock.y);
krnlEvalErrorPass<<<numBlocks,threadsPerBlock>>>(patchWidth,patchError,NNF,E);
checkCudaError(cudaDeviceSynchronize());
for(int i=0;i<numIters;i++)
{
krnlPropagationPass<<<numBlocks,threadsPerBlock>>>(sizeA,sizeB,Omega,patchWidth,patchError,lambda,4,NNF,NNF2,E,mask); std::swap(NNF,NNF2);
checkCudaError(cudaDeviceSynchronize());
krnlPropagationPass<<<numBlocks,threadsPerBlock>>>(sizeA,sizeB,Omega,patchWidth,patchError,lambda,2,NNF,NNF2,E,mask); std::swap(NNF,NNF2);
checkCudaError(cudaDeviceSynchronize());
krnlPropagationPass<<<numBlocks,threadsPerBlock>>>(sizeA,sizeB,Omega,patchWidth,patchError,lambda,1,NNF,NNF2,E,mask); std::swap(NNF,NNF2);
checkCudaError(cudaDeviceSynchronize());
for(int r=1;r<max(sizeB(0),sizeB(1))/2;r=r*2)
{
krnlRandomSearchPass<<<numBlocks,threadsPerBlock>>>(sizeA,sizeB,Omega,patchWidth,patchError,lambda,r,NNF,E,mask,rngStates);
}
checkCudaError(cudaDeviceSynchronize());
}
krnlEvalErrorPass<<<numBlocks,threadsPerBlock>>>(patchWidth,patchError,NNF,E);
checkCudaError(cudaDeviceSynchronize());
}
#endif