Robert Osfield
20 years ago
parent
19bf7bb1ce
commit
2003c27714
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# Microsoft Developer Studio Project File - Name="Example osgmotionblur" - Package Owner=<4>
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# Microsoft Developer Studio Generated Build File, Format Version 6.00
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# ** DO NOT EDIT **
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# TARGTYPE "Win32 (x86) Console Application" 0x0103
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CFG=Example osgmotionblur - Win32 Release
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!MESSAGE This is not a valid makefile. To build this project using NMAKE,
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!MESSAGE use the Export Makefile command and run
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!MESSAGE
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!MESSAGE NMAKE /f "osgmotionblur.mak".
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!MESSAGE
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!MESSAGE You can specify a configuration when running NMAKE
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!MESSAGE by defining the macro CFG on the command line. For example:
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!MESSAGE
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!MESSAGE NMAKE /f "osgmotionblur.mak" CFG="Example osgmotionblur - Win32 Release"
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!MESSAGE
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!MESSAGE Possible choices for configuration are:
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!MESSAGE
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!MESSAGE "Example osgmotionblur - Win32 Release" (based on "Win32 (x86) Console Application")
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!MESSAGE "Example osgmotionblur - Win32 Debug" (based on "Win32 (x86) Console Application")
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!MESSAGE
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# Begin Project
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# PROP AllowPerConfigDependencies 0
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# PROP Scc_ProjName ""
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# PROP Scc_LocalPath ""
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CPP=cl.exe
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RSC=rc.exe
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!IF "$(CFG)" == "Example osgmotionblur - Win32 Release"
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# PROP BASE Use_MFC 0
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# PROP BASE Use_Debug_Libraries 0
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# PROP BASE Output_Dir "Release"
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# PROP BASE Intermediate_Dir "Release"
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# PROP BASE Target_Dir ""
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# PROP Use_MFC 0
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# PROP Use_Debug_Libraries 0
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# PROP Output_Dir "Release"
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# PROP Intermediate_Dir "Release"
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# PROP Ignore_Export_Lib 0
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# PROP Target_Dir ""
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MTL=midl.exe
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# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
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# ADD CPP /nologo /MD /W3 /GR /GX /O2 /I "../../../include" /I "../../../../OpenThreads/include" /I "../../../../Producer/include" /I "../../../../3rdParty/include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /Zm200 /c
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# ADD BASE RSC /l 0x809 /d "NDEBUG"
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# ADD RSC /l 0x809 /d "NDEBUG"
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BSC32=bscmake.exe
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# ADD BASE BSC32 /nologo
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# ADD BSC32 /nologo
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LINK32=link.exe
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# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
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# ADD LINK32 OpenThreadsWin32.lib opengl32.lib /nologo /subsystem:console /pdb:none /machine:I386 /out:"../../../bin/osgmotionblur.exe" /libpath:"../../../lib" /libpath:"../../../../OpenThreads/lib/win32" /libpath:"../../../../Producer/lib" /libpath:"../../../../3rdParty/lib"
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!ELSEIF "$(CFG)" == "Example osgmotionblur - Win32 Debug"
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# PROP BASE Use_MFC 0
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# PROP BASE Use_Debug_Libraries 1
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# PROP BASE Output_Dir "Debug"
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# PROP BASE Intermediate_Dir "Debug"
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# PROP BASE Target_Dir ""
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# PROP Use_MFC 0
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# PROP Use_Debug_Libraries 1
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# PROP Output_Dir "Debug"
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# PROP Intermediate_Dir "Debug"
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# PROP Ignore_Export_Lib 0
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# PROP Target_Dir ""
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MTL=midl.exe
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# ADD BASE CPP /nologo /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
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# ADD CPP /nologo /MDd /W3 /Gm /vd0 /GR /GX /Zi /Od /I "../../../include" /I "../../../../OpenThreads/include" /I "../../../../Producer/include" /I "../../../../3rdParty/include" /D "_CONSOLE" /D "_MBCS" /D "FL_DLL" /D "WIN32" /D "_DEBUG" /FR /YX /FD /Zm200 /c
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# ADD BASE RSC /l 0x809 /d "_DEBUG"
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# ADD RSC /l 0x809 /d "_DEBUG"
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BSC32=bscmake.exe
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# ADD BASE BSC32 /nologo
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# ADD BSC32 /nologo
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LINK32=link.exe
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# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
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# ADD LINK32 OpenThreadsWin32d.lib opengl32.lib /nologo /subsystem:console /debug /machine:I386 /nodefaultlib:"libcmt" /out:"../../../bin/osgmotionblurd.exe" /pdbtype:sept /libpath:"../../../lib" /libpath:"../../../../OpenThreads/lib/win32" /libpath:"../../../../Producer/lib" /libpath:"../../../../3rdParty/lib"
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# SUBTRACT LINK32 /incremental:no
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!ENDIF
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# Begin Target
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# Name "Example osgmotionblur - Win32 Release"
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# Name "Example osgmotionblur - Win32 Debug"
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# Begin Source File
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SOURCE=..\..\..\examples\osgmotionblur\osgmotionblur.cpp
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# End Source File
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# Begin Source File
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SOURCE=.\resources.rc
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# End Source File
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# End Target
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# Begin Group "Resource Files"
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# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"
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# End Group
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# End Project
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@ -0,0 +1 @@
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PRODUCER_ICON ICON DISCARDABLE "../../icons/osg.ico"
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@ -0,0 +1,18 @@
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TOPDIR = ../..
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include $(TOPDIR)/Make/makedefs
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CXXFILES =\
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osgmotionblur.cpp\
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LIBS += -losgProducer -lProducer -losgText -losgGA -losgDB -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
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INSTFILES = \
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$(CXXFILES)\
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GNUmakefile.inst=GNUmakefile
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EXEC = osgmotionblur
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INC += $(X_INC)
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include $(TOPDIR)/Make/makerules
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@ -0,0 +1,13 @@
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TOPDIR = ../..
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include $(TOPDIR)/Make/makedefs
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CXXFILES =\
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osgmotionblur.cpp\
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LIBS += -losgProducer -lProducer -losgDB -losgText -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
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EXEC = osgmotionblur
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INC += $(X_INC)
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include $(TOPDIR)/Make/makerules
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@ -0,0 +1,166 @@
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
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*
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* This application is open source and may be redistributed and/or modified
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* freely and without restriction, both in commericial and non commericial applications,
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* as long as this copyright notice is maintained.
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*
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* This application is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include <osgDB/ReadFile>
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#include <osgUtil/Optimizer>
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#include <osgProducer/Viewer>
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class MotionBlurDrawCallback: public osgProducer::OsgSceneHandler::Callback
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{
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public:
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MotionBlurDrawCallback(double persistence)
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: cleared_(false),
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persistence_(persistence)
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{
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}
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virtual void operator()(osgProducer::OsgSceneHandler &handler, Producer::Camera &camera)
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{
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double t = handler.getSceneView()->getFrameStamp()->getReferenceTime();
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if (!cleared_)
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{
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// clear the accumulation buffer
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glClearColor(0, 0, 0, 0);
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glClear(GL_ACCUM_BUFFER_BIT);
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cleared_ = true;
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t0_ = t;
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}
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double dt = fabs(t - t0_);
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t0_ = t;
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// call the scene handler's draw function
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handler.drawImplementation(camera);
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// compute the blur factor
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double s = powf(0.2, dt / persistence_);
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// scale, accumulate and return
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glAccum(GL_MULT, s);
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glAccum(GL_ACCUM, 1 - s);
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glAccum(GL_RETURN, 1.0f);
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}
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private:
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bool cleared_;
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double t0_;
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double persistence_;
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};
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int main( int argc, char **argv )
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{
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// use an ArgumentParser object to manage the program arguments.
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osg::ArgumentParser arguments(&argc,argv);
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// set up the usage document, in case we need to print out how to use this program.
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arguments.getApplicationUsage()->setApplicationName(arguments.getApplicationName());
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arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is an OpenSceneGraph example that shows how to use the accumulation buffer to achieve a simple motion blur effect.");
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arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
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arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
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arguments.getApplicationUsage()->addCommandLineOption("-P or --persistence","Set the motion blur persistence time");
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// construct the viewer.
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osgProducer::Viewer viewer(arguments);
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// set up the value with sensible default event handlers.
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viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
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// get details on keyboard and mouse bindings used by the viewer.
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viewer.getUsage(*arguments.getApplicationUsage());
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// if user request help write it out to cout.
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if (arguments.read("-h") || arguments.read("--help"))
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{
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arguments.getApplicationUsage()->write(std::cout);
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return 1;
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}
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double persistence = 0.25;
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arguments.read("-P", persistence) || arguments.read("--persistence", persistence);
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// report any errors if they have occured when parsing the program aguments.
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if (arguments.errors())
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{
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arguments.writeErrorMessages(std::cout);
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return 1;
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}
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if (arguments.argc()<=1)
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{
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arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
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return 1;
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}
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osg::Timer_t start_tick = osg::Timer::instance()->tick();
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// read the scene from the list of file specified commandline args.
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osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
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// if no model has been successfully loaded report failure.
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if (!loadedModel)
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{
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std::cout << arguments.getApplicationName() <<": No data loaded" << std::endl;
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return 1;
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}
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// any option left unread are converted into errors to write out later.
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arguments.reportRemainingOptionsAsUnrecognized();
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// report any errors if they have occured when parsing the program aguments.
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if (arguments.errors())
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{
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arguments.writeErrorMessages(std::cout);
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}
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osg::Timer_t end_tick = osg::Timer::instance()->tick();
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std::cout << "Time to load = "<<osg::Timer::instance()->delta_s(start_tick,end_tick)<<std::endl;
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// optimize the scene graph, remove rendundent nodes and state etc.
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osgUtil::Optimizer optimizer;
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optimizer.optimize(loadedModel.get());
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// pass the loaded scene graph to the viewer.
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viewer.setSceneData(loadedModel.get());
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// create the windows and run the threads.
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viewer.realize();
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// set our motion blur callback as the draw callback for each scene handler
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osgProducer::Viewer::SceneHandlerList &shl = viewer.getSceneHandlerList();
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for (osgProducer::Viewer::SceneHandlerList::iterator i=shl.begin(); i!=shl.end(); ++i)
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{
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(*i)->setDrawCallback(new MotionBlurDrawCallback(persistence));
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}
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while( !viewer.done() )
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{
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// wait for all cull and draw threads to complete.
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viewer.sync();
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// update the scene by traversing it with the the update visitor which will
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// call all node update callbacks and animations.
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viewer.update();
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// fire off the cull and draw traversals of the scene.
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viewer.frame();
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}
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// wait for all cull and draw threads to complete before exit.
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viewer.sync();
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return 0;
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}
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