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GLImaging.cpp
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//
// structured - Tools for the Generation and Visualization of Large-scale
// Three-dimensional Reconstructions from Image Data. This software includes
// source code from other projects, which is subject to different licensing,
// see COPYING for details. If this project is used for research see COPYING
// for making the appropriate citations.
// Copyright (C) 2013 Matthew Johnson-Roberson <mattkjr@gmail.com>
//
// This file is part of structured.
//
// structured is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// structured is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with structured. If not, see <http://www.gnu.org/licenses/>.
//
#include "GLImaging.h"
#include "Semaphore.h"
#include <osg/Texture3D>
#include <stddef.h>
#include "CPUDetect.h"
#include <sys/stat.h>
#include "MemUtils.h"
#include <assert.h>
extern const char *diced_dir;
void optImage(osg::ref_ptr<osg::Image> &image){
//int pitch=image->getRowSizeInBytes();
unsigned char *dataBGRA=new unsigned char[image->s()*image->t()*4];
unsigned char *dataRGBA=new unsigned char[image->s()*image->t()*4];
RGB2RGBA(image->s(),image->t(),image->data(),dataRGBA);
/*#if _M_SSE >= 0x301
cpu_inf
// Uses SSSE3 intrinsics to optimize RGBA -> BGRA swizzle:
if (cpu_info.bSSSE3) {
ConvertRGBA_BGRA_SSSE3((unsigned int *)dataBGRA,pitch,(unsigned int *)dataRGBA,image->s(),image->t(),pitch/4);
} else
#endif
// Uses SSE2 intrinsics to optimize RGBA -> BGRA swizzle:
{
ConvertRGBA_BGRA_SSE2((unsigned int *)dataBGRA,pitch,(unsigned int *)dataRGBA,image->s(),image->t(),pitch/4);
}
*/
RGBA2BGRA(image->s(),image->t(),(uint32_t*)dataRGBA,(uint32_t*)dataBGRA);
delete dataRGBA;
image->setImage(image->s(),image->t(),1,GL_RGB,GL_BGRA,GL_UNSIGNED_BYTE,dataBGRA,osg::Image::USE_NEW_DELETE,1);
//image->setPixelBufferObject(new osg::PixelBufferObject(image)); SLOWER
}
static inline void
RGBA2RGB(unsigned int w, unsigned int h,
unsigned char *src, unsigned char *dst) {
for (unsigned int i=w*h; i; i--) {
memmove(dst, src, 3) ;
src += 4 ;
dst += 3 ;
}
}
void optImageRGBA2RGB(osg::ref_ptr<osg::Image> &image){
//int pitch=image->getRowSizeInBytes();
unsigned char *dataRGB=new unsigned char[image->s()*image->t()*3];
RGBA2RGB(image->s(),image->t(),image->data(),dataRGB);
/*#if _M_SSE >= 0x301
cpu_inf
// Uses SSSE3 intrinsics to optimize RGBA -> BGRA swizzle:
if (cpu_info.bSSSE3) {
ConvertRGBA_BGRA_SSSE3((unsigned int *)dataBGRA,pitch,(unsigned int *)dataRGBA,image->s(),image->t(),pitch/4);
} else
#endif
// Uses SSE2 intrinsics to optimize RGBA -> BGRA swizzle:
{
ConvertRGBA_BGRA_SSE2((unsigned int *)dataBGRA,pitch,(unsigned int *)dataRGBA,image->s(),image->t(),pitch/4);
}
*/
image->setImage(image->s(),image->t(),1,GL_RGB,GL_RGB,GL_UNSIGNED_BYTE,dataRGB,osg::Image::USE_NEW_DELETE,1);
//image->setPixelBufferObject(new osg::PixelBufferObject(image)); SLOWER
}
void OptFormatTexturesVisitor::opt()
{
for(TextureSet::iterator itr=_textureSet.begin();
itr!=_textureSet.end();
++itr)
{
osg::Texture* texture = const_cast<osg::Texture*>(itr->get());
osg::Texture2D* texture2D = dynamic_cast<osg::Texture2D*>(texture);
osg::Texture3D* texture3D = dynamic_cast<osg::Texture3D*>(texture);
osg::ref_ptr<osg::Image> image = texture2D ? texture2D->getImage() : (texture3D ? texture3D->getImage() : 0);
if (image.valid()){
if((image->getPixelFormat()==GL_RGB || image->getPixelFormat()==GL_RGBA) &&
(image->s()>=32 && image->t()>=32))
{
optImage(image);
}
_imageSizeMB+=(image->getImageSizeInBytes())/1024.0/1024.0;
}
}
}
void
RGB2RGBA(unsigned int w, unsigned int h,
unsigned char *src, unsigned char *dst) {
for (unsigned int i=w*h; i; i--) {
memmove(dst, src, 3) ;
dst += 3 ;
src += 3 ;
*dst++ = 255 ;
}
}
void
RGBA2BGRA(unsigned int w, unsigned int h,
uint32_t *src, uint32_t *dst) {
for (unsigned int i=0; i<w*h; i++) {
#if __BYTE_ORDER == __BIG_ENDIAN
dst[i] = ((src[i] & 0xFF00) << 16) | (src[i] & 0xFF00FF) | ((src[i] >> 16) & 0xFF00);
#else
dst[i] = ((src[i] >> 16) & 0xFF) | (src[i] & 0xFF00FF00) | ((src[i] & 0xFF) << 16);
#endif
}
}
#if 0
void ConvertRGBA_BGRA_SSE2(u32 *dst, const int dstPitch, u32 *pIn, const int width, const int height, const int pitch)
{
// Converts RGBA to BGRA:
// TODO: this would be totally unnecessary if we just change the TextureDecoder_RGBA to decode
// to BGRA instead.
for (int y = 0; y < height; y++, pIn += pitch)
{
u8 *pIn8 = (u8 *)pIn;
u8 *pBits = (u8 *)((u8*)dst + (y * dstPitch));
// Batch up loads/stores into 16 byte chunks to use SSE2 efficiently:
int sse2blocks = (width * 4) / 16;
int sse2remainder = (width * 4) & 15;
// Do conversions in batches of 16 bytes:
if (sse2blocks > 0)
{
// Generate a constant of all FF bytes:
const __m128i allFFs128 = _mm_cmpeq_epi32(_mm_setzero_si128(), _mm_setzero_si128());
__m128i *src128 = (__m128i *)pIn8;
__m128i *dst128 = (__m128i *)pBits;
// Increment by 16 bytes at a time:
for (int i = 0; i < sse2blocks; ++i, ++dst128, ++src128)
{
// Load up 4 colors simultaneously:
__m128i rgba = _mm_loadu_si128(src128);
// Swap the R and B components:
// Isolate the B component and shift it left 16 bits:
// ABGR
const __m128i bMask = _mm_srli_epi32(allFFs128, 24);
const __m128i bNew = _mm_slli_epi32(_mm_and_si128(rgba, bMask), 16);
// Isolate the R component and shift it right 16 bits:
const __m128i rMask = _mm_slli_epi32(bMask, 16);
const __m128i rNew = _mm_srli_epi32(_mm_and_si128(rgba, rMask), 16);
// Now mask off the old R and B components from the rgba data to get 0g0a:
const __m128i _g_a = _mm_or_si128(
_mm_and_si128(
rgba,
_mm_or_si128(
_mm_slli_epi32(bMask, 8),
_mm_slli_epi32(rMask, 8)
)
),
_mm_or_si128(rNew, bNew)
);
// Finally, OR up all the individual components to get BGRA:
const __m128i bgra = _mm_or_si128(_g_a, _mm_or_si128(rNew, bNew));
_mm_storeu_si128(dst128, bgra);
}
}
// Take the remainder colors at the end of the row that weren't able to
// be included into the last 16 byte chunk:
if (sse2remainder > 0)
{
for (int x = (sse2blocks * 16); x < (width * 4); x += 4)
{
pBits[x + 0] = pIn8[x + 2];
pBits[x + 1] = pIn8[x + 1];
pBits[x + 2] = pIn8[x + 0];
pBits[x + 3] = pIn8[x + 3];
}
}
}
// Memory fence to make sure the stores are good:
_mm_mfence();
}
void ConvertRGBA_BGRA_SSSE3(u32 *dst, const int dstPitch, u32 *pIn, const int width, const int height, const int pitch)
{
__m128i mask = _mm_set_epi8(15, 12, 13, 14, 11, 8, 9, 10, 7, 4, 5, 6, 3, 0, 1, 2);
for (int y = 0; y < height; y++, pIn += pitch)
{
u8 *pIn8 = (u8 *)pIn;
u8 *pBits = (u8 *)((u8*)dst + (y * dstPitch));
// Batch up loads/stores into 16 byte chunks to use SSE2 efficiently:
int ssse3blocks = (width * 4) / 16;
int ssse3remainder = (width * 4) & 15;
// Do conversions in batches of 16 bytes:
if (ssse3blocks > 0)
{
__m128i *src128 = (__m128i *)pIn8;
__m128i *dst128 = (__m128i *)pBits;
// Increment by 16 bytes at a time:
for (int i = 0; i < ssse3blocks; ++i, ++dst128, ++src128)
{
_mm_storeu_si128(dst128, _mm_shuffle_epi8(_mm_loadu_si128(src128), mask));
}
}
// Take the remainder colors at the end of the row that weren't able to
// be included into the last 16 byte chunk:
if (ssse3remainder > 0)
{
for (int x = (ssse3blocks * 16); x < (width * 4); x += 4)
{
pBits[x + 0] = pIn8[x + 2];
pBits[x + 1] = pIn8[x + 1];
pBits[x + 2] = pIn8[x + 0];
pBits[x + 3] = pIn8[x + 3];
}
}
}
// Memory fence to make sure the stores are good:
_mm_mfence();
}
#endif
void WindowCaptureCallback::ContextData::updateTimings(osg::Timer_t tick_start,
osg::Timer_t tick_afterReadPixels,
osg::Timer_t tick_afterMemCpy,
unsigned int dataSize)
{
if (!_reportTimingFrequency) return;
double timeForReadPixels = osg::Timer::instance()->delta_s(tick_start, tick_afterReadPixels);
double timeForFullCopy = osg::Timer::instance()->delta_s(tick_start, tick_afterMemCpy);
double timeForMemCpy = osg::Timer::instance()->delta_s(tick_afterReadPixels, tick_afterMemCpy);
_timeForReadPixels += timeForReadPixels;
_timeForFullCopy += timeForFullCopy;
_timeForMemCpy += timeForMemCpy;
++_numTimeValuesRecorded;
if (_numTimeValuesRecorded==_reportTimingFrequency)
{
timeForReadPixels = _timeForReadPixels/double(_numTimeValuesRecorded);
timeForFullCopy = _timeForFullCopy/double(_numTimeValuesRecorded);
timeForMemCpy = _timeForMemCpy/double(_numTimeValuesRecorded);
double averageFrameTime = osg::Timer::instance()->delta_s(_previousFrameTick, tick_afterMemCpy)/double(_numTimeValuesRecorded);
double fps = 1.0/averageFrameTime;
_previousFrameTick = tick_afterMemCpy;
_timeForReadPixels = 0.0;
_timeForFullCopy = 0.0;
_timeForMemCpy = 0.0;
_numTimeValuesRecorded = 0;
double numMPixels = double(_width * _height) / 1000000.0;
double numMb = double(dataSize) / (1024*1024);
int prec = osg::notify(osg::INFO).precision(5);
if (timeForMemCpy==0.0)
{
osg::notify(osg::INFO)<<"fps = "<<fps<<", full frame copy = "<<timeForFullCopy*1000.0f<<"ms rate = "<<numMPixels / timeForFullCopy<<" Mpixel/sec, copy speed = "<<numMb / timeForFullCopy<<" Mb/sec"<<std::endl;
}
else
{
osg::notify(osg::INFO)<<"fps = "<<fps<<", full frame copy = "<<timeForFullCopy*1000.0f<<"ms rate = "<<numMPixels / timeForFullCopy<<" Mpixel/sec, "<<numMb / timeForFullCopy<< " Mb/sec "<<
"time for memcpy = "<<timeForMemCpy*1000.0<<"ms memcpy speed = "<<numMb / timeForMemCpy<<" Mb/sec"<<std::endl;
}
osg::notify(osg::INFO).precision(prec);
}
}
int gpuUsage(int gpu,int &mem){
char cmd[1024];
// system("nvidia-smi -a | grep Mb >> debugLog.txt");
sprintf(cmd,"nvidia-smi -q --gpu=%d | grep Mb| grep Free| cut -c34-38 ",gpu);
FILE *lsofFile_p = popen(cmd, "r");
if (!lsofFile_p) { return -1; }
char buffer[1024];char *lp=fgets(buffer, sizeof(buffer), lsofFile_p); pclose(lsofFile_p);
if(lp==NULL){
fprintf(stderr,"error on read\n");
}
mem=atoi(buffer);
return 0;
}
void WindowCaptureCallback::ContextData::readPixels()
{
// std::cout<<"readPixels("<<_fileName<<" image "<<_currentImageIndex<<" "<<_currentPboIndex<<std::endl;
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
unsigned int nextPboIndex = _pboBuffer.empty() ? 0 : (_currentPboIndex+1)%_pboBuffer.size();
int width=0, height=0;
getSize(_gc, width, height);
if (width!=_width || _height!=height)
{
std::cout<<" Window resized "<<width<<", "<<height<<std::endl;
_width = width;
_height = height;
}
osg::Image* image = _imageBuffer[_currentImageIndex].get();
osg::Timer_t tick_start = osg::Timer::instance()->tick();
#if 1
image->readPixels(0,0,_width,_height,
_pixelFormat,_type);
#endif
osg::Timer_t tick_afterReadPixels = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterReadPixels, image->getTotalSizeInBytes());
if (!_fileName.empty())
{
// osgDB::writeImageFile(*image, _fileName);
}
_currentImageIndex = nextImageIndex;
_currentPboIndex = nextPboIndex;
}
void WindowCaptureCallback::ContextData::singlePBO(osg::GLBufferObject::Extensions* ext)
{
// std::cout<<"singelPBO( "<<_fileName<<" image "<<_currentImageIndex<<" "<<_currentPboIndex<<std::endl;
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
int width=0, height=0;
getSize(_gc, width, height);
if (width!=_width || _height!=height)
{
std::cout<<" Window resized "<<width<<", "<<height<<std::endl;
_width = width;
_height = height;
}
GLuint& pbo = _pboBuffer[0];
osg::Image* image = _imageBuffer[_currentImageIndex].get();
if (image->s() != _width ||
image->t() != _height)
{
osg::notify(osg::INFO)<<"Allocating image "<<std::endl;
image->allocateImage(_width, _height, 1, GL_RGBA, _type);
if (pbo!=0)
{
osg::notify(osg::INFO)<<"deleting pbo "<<pbo<<std::endl;
ext->glDeleteBuffers (1, &pbo);
pbo = 0;
}
}
if (pbo==0)
{
ext->glGenBuffers(1, &pbo);
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
osg::notify(osg::INFO)<<"Generating pbo "<<pbo<<std::endl;
}
else
{
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo);
}
osg::Timer_t tick_start = osg::Timer::instance()->tick();
#if 1
glReadPixels(0, 0, _width, _height, _pixelFormat, _type, 0);
#endif
osg::Timer_t tick_afterReadPixels = osg::Timer::instance()->tick();
GLubyte* src = (GLubyte*)ext->glMapBuffer(GL_PIXEL_PACK_BUFFER_ARB,
GL_READ_ONLY_ARB);
if(src)
{
//memcpy(image->data(), src, image->getTotalSizeInBytes());
//int pitch=image->getRowSizeInBytes();//4*_width;
image->setPixelFormat(GL_RGBA);
//uint32_t *p = (uint32_t *)src;
//uint32_t *dst = (uint32_t *)image->data();
RGBA2BGRA(image->s(),image->t(),(uint32_t*)src,(uint32_t*)image->data());
#if 0
#if _M_SSE >= 0x301
cpu_inf
// Uses SSSE3 intrinsics to optimize RGBA -> BGRA swizzle:
if (cpu_info.bSSSE3) {
ConvertRGBA_BGRA_SSSE3((unsigned int *)image->data(),pitch,(unsigned int *)src,_width,_height,pitch/4);
} else
#endif
// Uses SSE2 intrinsics to optimize RGBA -> BGRA swizzle:
{
ConvertRGBA_BGRA_SSE2((unsigned int *)image->data(),pitch,(unsigned int *)src,_width,_height,pitch/4);
}
#endif
ext->glUnmapBuffer(GL_PIXEL_PACK_BUFFER_ARB);
}
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
osg::Timer_t tick_afterMemCpy = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterMemCpy, image->getTotalSizeInBytes());
if (!_fileName.empty())
{
// osgDB::writeImageFile(*image, _fileName);
}
_currentImageIndex = nextImageIndex;
}
void WindowCaptureCallback::ContextData::multiPBO(osg::GLBufferObject::Extensions* ext)
{
// std::cout<<"multiPBO( "<<_fileName<<" image "<<_currentImageIndex<<" "<<_currentPboIndex<<std::endl;
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
unsigned int nextPboIndex = (_currentPboIndex+1)%_pboBuffer.size();
int width=0, height=0;
getSize(_gc, width, height);
if (width!=_width || _height!=height)
{
std::cout<<" Window resized "<<width<<", "<<height<<std::endl;
_width = width;
_height = height;
}
GLuint& copy_pbo = _pboBuffer[_currentPboIndex];
GLuint& read_pbo = _pboBuffer[nextPboIndex];
osg::Image* image = _imageBuffer[_currentImageIndex].get();
if (image->s() != _width ||
image->t() != _height)
{
osg::notify(osg::INFO)<<"Allocating image "<<std::endl;
image->allocateImage(_width, _height, 1, _pixelFormat, _type);
if (read_pbo!=0)
{
osg::notify(osg::INFO)<<"deleting pbo "<<read_pbo<<std::endl;
ext->glDeleteBuffers (1, &read_pbo);
read_pbo = 0;
}
if (copy_pbo!=0)
{
osg::notify(osg::INFO)<<"deleting pbo "<<copy_pbo<<std::endl;
ext->glDeleteBuffers (1, ©_pbo);
copy_pbo = 0;
}
}
bool doCopy = copy_pbo!=0;
if (copy_pbo==0)
{
ext->glGenBuffers(1, ©_pbo);
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
osg::notify(osg::INFO)<<"Generating pbo "<<read_pbo<<std::endl;
}
if (read_pbo==0)
{
ext->glGenBuffers(1, &read_pbo);
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, read_pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
osg::notify(osg::INFO)<<"Generating pbo "<<read_pbo<<std::endl;
}
else
{
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, read_pbo);
}
osg::Timer_t tick_start = osg::Timer::instance()->tick();
#if 1
glReadPixels(0, 0, _width, _height, _pixelFormat, _type, 0);
#endif
osg::Timer_t tick_afterReadPixels = osg::Timer::instance()->tick();
if (doCopy)
{
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
GLubyte* src = (GLubyte*)ext->glMapBuffer(GL_PIXEL_PACK_BUFFER_ARB,
GL_READ_ONLY_ARB);
if(src)
{
memcpy(image->data(), src, image->getTotalSizeInBytes());
ext->glUnmapBuffer(GL_PIXEL_PACK_BUFFER_ARB);
}
if (!_fileName.empty())
{
// osgDB::writeImageFile(*image, _fileName);
}
}
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
osg::Timer_t tick_afterMemCpy = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterMemCpy, image->getTotalSizeInBytes());
_currentImageIndex = nextImageIndex;
_currentPboIndex = nextPboIndex;
}
void addCallbackToViewer(osgViewer::ViewerBase& viewer, WindowCaptureCallback* callback)
{
if (callback->getFramePosition()==WindowCaptureCallback::START_FRAME)
{
osgViewer::ViewerBase::Windows windows;
viewer.getWindows(windows);
for(osgViewer::ViewerBase::Windows::iterator itr = windows.begin();
itr != windows.end();
++itr)
{
osgViewer::GraphicsWindow* window = *itr;
osg::GraphicsContext::Cameras& cameras = window->getCameras();
osg::Camera* firstCamera = 0;
for(osg::GraphicsContext::Cameras::iterator cam_itr = cameras.begin();
cam_itr != cameras.end();
++cam_itr)
{
if (firstCamera)
{
if ((*cam_itr)->getRenderOrder() < firstCamera->getRenderOrder())
{
firstCamera = (*cam_itr);
}
if ((*cam_itr)->getRenderOrder() == firstCamera->getRenderOrder() &&
(*cam_itr)->getRenderOrderNum() < firstCamera->getRenderOrderNum())
{
firstCamera = (*cam_itr);
}
}
else
{
firstCamera = *cam_itr;
}
}
if (firstCamera)
{
osg::notify(osg::INFO)<<"First camera "<<firstCamera<<std::endl;
firstCamera->setInitialDrawCallback(callback);
}
else
{
osg::notify(osg::INFO)<<"No camera found"<<std::endl;
}
}
}
else
{
osgViewer::ViewerBase::Windows windows;
viewer.getWindows(windows);
for(osgViewer::ViewerBase::Windows::iterator itr = windows.begin();
itr != windows.end();
++itr)
{
osgViewer::GraphicsWindow* window = *itr;
osg::GraphicsContext::Cameras& cameras = window->getCameras();
osg::Camera* lastCamera = 0;
for(osg::GraphicsContext::Cameras::iterator cam_itr = cameras.begin();
cam_itr != cameras.end();
++cam_itr)
{
if (lastCamera)
{
if ((*cam_itr)->getRenderOrder() > lastCamera->getRenderOrder())
{
lastCamera = (*cam_itr);
}
if ((*cam_itr)->getRenderOrder() == lastCamera->getRenderOrder() &&
(*cam_itr)->getRenderOrderNum() >= lastCamera->getRenderOrderNum())
{
lastCamera = (*cam_itr);
}
}
else
{
lastCamera = *cam_itr;
}
}
if (lastCamera)
{
osg::notify(osg::INFO)<<"Last camera "<<lastCamera<<std::endl;
lastCamera->setFinalDrawCallback(callback);
}
else
{
osg::notify(osg::INFO)<<"No camera found"<<std::endl;
}
}
}
}
/*
void applyGeoTags(osg::Vec2 geoOrigin,osg::Matrix viewMatrix,osg::Matrix projMatrix,int width,int height){
osg::Matrix modWindow =( osg::Matrix::translate(1.0,1.0,1.0)*osg::Matrix::scale(0.5*width,0.5*height,0.5f));
osg::Matrix bottomLeftToTopLeft= (osg::Matrix::scale(1,-1,1)*osg::Matrix::translate(0,height,0));
osg::Matrix worldtoScreen=viewMatrix * projMatrix * modWindow*bottomLeftToTopLeft;
osg::Matrix screenToWorld=osg::Matrix::inverse(worldtoScreen);
osg::Vec3 tl(0,0,0);
osg::Vec3 bl(0,height,0);
osg::Vec3 tr(width,0,0);
osg::Vec3 br(width,height,0);
char szProj4[4096];
sprintf( szProj4,
"\"+proj=tmerc +lat_0=%.24f +lon_0=%.24f +k=%.12f +x_0=%.12f +y_0=%.12f +datum=WGS84 +ellps=WGS84 +units=m +no_defs\"",geoOrigin.x(),geoOrigin.y(),1.0,0.0,0.0);
osg::Vec3 tlGlobal=tl*screenToWorld;
osg::Vec3 blGlobal=bl*screenToWorld;
osg::Vec3 trGlobal=tr*screenToWorld;
osg::Vec3 brGlobal=br*screenToWorld;
osg::Vec3 diff=(brGlobal-tlGlobal);
osg::Vec2 scalePix( diff.x()/width, diff.y()/height);
cout << "brGlobal " << brGlobal<< " tlGlobal " << tlGlobal << endl;
cout << "trGlobal " << trGlobal<< " " << blGlobal << endl;
std::ofstream worldfile("subtile.tfw");
worldfile << std::setprecision(12) << scalePix.x() << std::endl<< 0 <<std::endl<< 0 << std::endl<<scalePix.y() << std::endl<<tlGlobal.x()<<std::endl<<tlGlobal.y()<<std::endl;
std::cout << tlGlobal << " " << blGlobal <<" " <<trGlobal<< " " << brGlobal <<"\n";
worldfile.close();
char gdal_param[4096];
sprintf(gdal_param," -of GTiff -co \"TILED=YES\" -a_ullr %.12f %.12f %.12f %.12f -a_srs %s",tlGlobal.x(),tlGlobal.y(),brGlobal.x(),brGlobal.y(),szProj4);
FILE *fp=fopen("add_geo.sh","w");
if(!fp)
std::cerr << "Failed!\n";
fprintf(fp,"#!/bin/bash\n");
//fprintf(fp,"vips im_vips2tiff subtile.v tex.tif:none:tile:256x256\n");
fprintf(fp,"#gdal_translate %s subtile.tif geo_tif.tif\n",gdal_param);
fprintf(fp,"#geotifcp -e subtile.tfw subtile.tif subtile.tif\n");
fchmod(fileno(fp),0777);
fclose (fp);
//gdalwarp -t_srs '+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs' geo_tif2.tif utm.tif
int res= system("./add_geo.sh");
if(res != 0)
printf("Failed on run\n");
}*/
int imageNodeGL(osg::Node *node,unsigned int _tileRows,unsigned int _tileColumns,unsigned int width,unsigned int height,int row,int col,
bool untex,bool depth,const osg::Matrixd& viewProjRead,const osg::Vec2 &latlong, std::string ext)
{
//int pid=getpid();
if(node == NULL)
return -1;
//Convert to a fast upload format currently seems to be GL_RGB, GL_BGRA for nvidia cards 280-580 gtx
//Driver specific worth checking on new cards
osg::ref_ptr<OptFormatTexturesVisitor> oftv=new OptFormatTexturesVisitor();
node->accept(*oftv.get());
oftv->opt();
double sizeImages=oftv->getImageSizeMB();
printf("Size of textures %.2f MB\n",sizeImages);
key_t semkey;
osg::ref_ptr<osg::Image> depthImage;
if(depth){
depthImage = new osg::Image();
depthImage->allocateImage(width, height, 1,GL_DEPTH_COMPONENT, GL_FLOAT );
}
#define KEY (1492)
semkey=KEY;//ftok("/tmp/glimagesem",'a');
osg::ref_ptr<osg::Image> tmpImg1,tmpImg2;
android::Semaphore sem;
if(!sem.attach(semkey))
{
fprintf(stderr,"Semaphore Failure FATAL ERROR\n");
exit(-1);
}
{
osgViewer::Viewer viewer;
viewer.setThreadingModel( osgViewer::Viewer::SingleThreaded );
GLenum readBuffer = GL_BACK;
WindowCaptureCallback::FramePosition position = WindowCaptureCallback::END_FRAME;
WindowCaptureCallback::Mode mode = WindowCaptureCallback::SINGLE_PBO;
osg::ref_ptr<osg::GraphicsContext> pbuffer;
{
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->x = 0;
traits->y = 0;
traits->width = width;
traits->height = height;
traits->red = 8;
traits->green = 8;
traits->blue = 8;
traits->alpha = 8;
traits->windowDecoration = false;
traits->pbuffer = true;
traits->doubleBuffer = true;
traits->sharedContext = 0;
pbuffer = osg::GraphicsContext::createGraphicsContext(traits.get());
// std::cout << "Buffer obj "<< pbuffer->getState()->getMaxBufferObjectPoolSize() << " tex "<< pbuffer->getState()->getMaxBufferObjectPoolSize() <<std::endl;
if (pbuffer.valid())
{
// osg::notify(osg::INFO)<<"Pixel buffer has been created successfully."<<std::endl;
}
else
{
osg::notify(osg::INFO)<<"Pixel buffer has not been created successfully."<<std::endl;
}
}
osg::ref_ptr<WindowCaptureCallback> wcc=new WindowCaptureCallback(mode, position, readBuffer);
osg::ref_ptr<osg::Camera> camera;
/* NOT FASTER
osg::ref_ptr<osg::PixelBufferObject> pboWriteBuffer=new osg::PixelBufferObject;
osg::ref_ptr<PBOTexturesVisitor> pbotv=new PBOTexturesVisitor(pboWriteBuffer.get());
node->accept(*pbotv.get());
pbotv->addPBO();
*/
if (pbuffer.valid())
{camera = new osg::Camera;
camera->setGraphicsContext(pbuffer.get());
camera->setViewport(new osg::Viewport(0,0,width,height));
GLenum buffer = pbuffer->getTraits()->doubleBuffer ? GL_BACK : GL_FRONT;
camera->setDrawBuffer(buffer);
camera->setReadBuffer(buffer);
camera->setFinalDrawCallback(wcc);
camera->setClearColor(osg::Vec4(0.0,0.0,0.0,0.0));
if (/*pbufferOnly*/1)
{
viewer.addSlave(camera.get(), osg::Matrixd(), osg::Matrixd());
viewer.realize();
}
else
{
viewer.realize();
viewer.stopThreading();
pbuffer->realize();
viewer.addSlave(camera.get(), osg::Matrixd(), osg::Matrixd());
viewer.startThreading();
}
}else{
std::cerr<<"Can't Init Pbuffer\n"<<std::endl;
return -1;
}
/*else
{
viewer.realize();
addCallbackToViewer(viewer, wcc);
}*/
// load the data
osg::Matrix offsetMatrix=osg::Matrix::scale((double)_tileColumns,(double) _tileRows, 1.0)*osg::Matrix::translate((double)_tileColumns-1-2*col, (double)_tileRows-1-2*row, 0.0);
osg::Timer_t beginRender = osg::Timer::instance()->tick();
{ //std::cout <<"row: "<<row << " col: "<<col<<" tc: "<<_tileColumns << " "<<_tileRows<<" "<<"\n"<<view << "\n"<<proj <<"\n"<<offsetMatrix<<endl;
// sem.create(semkey,1,false);
sem.acquire();
viewer.setSceneData( node );
viewer.getCamera()->setProjectionMatrix(viewProjRead*offsetMatrix);
viewer.getCamera()->setViewMatrix(osg::Matrix::identity());
viewer.frame();
viewer.advance();
viewer.updateTraversal();
viewer.renderingTraversals();
osg::Timer_t timeEndRender = osg::Timer::instance()->tick();
double renderTime = osg::Timer::instance()->delta_s(beginRender, timeEndRender);
printf("Render %.1f\n",renderTime);
//int mem;
//gpuUsage(1,mem);
/* char aa[1024];sprintf(aa,"render-time-%d.txt",pid);
FILE *fp=fopen(aa,"w");
fprintf(fp,"%f s %.2f MB\n",renderTime,sizeImages);
fclose(fp);
*/
// osg::Image *img=(wcc->getContextData(pbuffer)->_imageBuffer[wcc->getContextData(pbuffer)->_currentImageIndex]);
tmpImg1 = dynamic_cast<osg::Image*>(wcc->getContextData(pbuffer)->_imageBuffer[wcc->getContextData(pbuffer)->_currentImageIndex]->clone(osg::CopyOp::DEEP_COPY_ALL));
if(untex){
node->getOrCreateStateSet()->addUniform(new osg::Uniform("shaderOut",3));
viewer.setSceneData( node );
viewer.frame();
viewer.advance();
viewer.updateTraversal();
viewer.renderingTraversals();
osg::Timer_t timeEndRender2 = osg::Timer::instance()->tick();
double renderTime2 = osg::Timer::instance()->delta_s(timeEndRender, timeEndRender2);
printf("Render %.1f\n",renderTime2);
//gpuUsage(1,mem);
tmpImg2 = dynamic_cast<osg::Image*>(wcc->getContextData(pbuffer)->_imageBuffer[wcc->getContextData(pbuffer)->_currentImageIndex]->clone(osg::CopyOp::DEEP_COPY_ALL));
}
if(depth){
node->getOrCreateStateSet()->addUniform(new osg::Uniform("shaderOut",3));
viewer.getCamera()->detach(osg::Camera::DEPTH_BUFFER);
camera->attach(osg::Camera::DEPTH_BUFFER, depthImage.get(),0,0);
camera->setComputeNearFarMode(osg::Camera::DO_NOT_COMPUTE_NEAR_FAR);
viewer.setSceneData( node );
viewer.frame();
viewer.advance();
viewer.updateTraversal();
viewer.renderingTraversals();
}
}
}
sem.release();
char tmp[1024];
sprintf(tmp,"%s/image_r%04d_c%04d_rs%04d_cs%04d-tmp.ppm",diced_dir,row,col,_tileRows,_tileColumns);//,ext.c_str());
if(tmpImg1.valid()){
optImageRGBA2RGB(tmpImg1);
osgDB::writeImageFile(*tmpImg1,tmp);
sprintf(tmp,"%s/image_r%04d_c%04d_rs%04d_cs%04d.ppm",diced_dir,row,col,_tileRows,_tileColumns);//,ext.c_str());
if(applyGeoTags(osgDB::getNameLessExtension(tmp)+".tif",latlong,viewProjRead,tmpImg1->s(),tmpImg1->t(),"ppm")){
/* if( remove((osgDB::getNameLessExtension(imageName)+"-tmp.tif").c_str() ) != 0 )
perror( "Error deleting file" );
else
puts( "File successfully deleted" );*/
}
}else
fprintf(stderr,"Failed to copy image into RAM\n");
if(untex){
sprintf(tmp,"mosaic/image_r%04d_c%04d_rs%04d_cs%04d_untex.%s",row,col,_tileRows,_tileColumns,ext.c_str());
if(tmpImg2.valid()){
osgDB::writeImageFile(*tmpImg2,tmp);
}else
fprintf(stderr,"Failed to copy image into RAM\n");
}
if(depth){
sprintf(tmp,"mosaic/image_r%04d_c%04d_rs%04d_cs%04d_depth.%s",row,col,_tileRows,_tileColumns,ext.c_str());
if(depthImage.valid()){
osgDB::writeImageFile(*depthImage,tmp);
}else
fprintf(stderr,"Failed to copy image into RAM\n");
}
return 0;
}
void compress(osg::State& state, osg::Texture& texture, osg::Texture::InternalFormatMode compressedFormat, bool generateMipMap, bool resizeToPowerOfTwo)
{
texture.setInternalFormatMode(compressedFormat);
// force the mip mapping off temporay if we intend the graphics hardware to do the mipmapping.
osg::Texture::FilterMode filterMin = texture.getFilter(osg::Texture::MIN_FILTER);
if (!generateMipMap)
{
osg::notify(osg::INFO )<<" switching off MIP_MAPPING for compile\n";
texture.setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
}
// make sure the OSG doesn't rescale images if it doesn't need to.
texture.setResizeNonPowerOfTwoHint(resizeToPowerOfTwo);
// get OpenGL driver to create texture from image.
texture.apply(state);
texture.getImage(0)->readImageFromCurrentTexture(0,true);
// restore the mip mapping mode.
if (!generateMipMap)
{
texture.setFilter(osg::Texture::MIN_FILTER,filterMin);
}
texture.dirtyTextureObject();
texture.setInternalFormatMode(osg::Texture::USE_IMAGE_DATA_FORMAT);
}
void generateMipMap(osg::State& state, osg::Texture& texture, bool resizeToPowerOfTwo)
{
// make sure the OSG doesn't rescale images if it doesn't need to.
texture.setResizeNonPowerOfTwoHint(resizeToPowerOfTwo);
// get OpenGL driver to create texture from image.
texture.apply(state);
texture.getImage(0)->readImageFromCurrentTexture(0,true);
texture.setInternalFormatMode(osg::Texture::USE_IMAGE_DATA_FORMAT);
texture.dirtyTextureObject();
}