Describe: Variance Shadow Maps in real-time soft shadow demo code

File list(time 2005101121~2010010807)(Click to check if it's the file you need, and recomment it at the bottom):
  Demo.exe
  FwSimpleTexture.hpp
  glew32.dll
  GlFBOCache.cpp
  GlFBOCache.hpp
  GlFramebufferObject.cpp
  GlFramebufferObject.hpp
  jpeg.dll
  libpng13.dll
  libsh.dll
  libsharb.dll
  libshglsl.dll
  main.cpp
  media
  .....\Beast.3ds
  
  
  
  .....\GroundPlane.3ds
  .....\SpotLight.3ds
  PCFDepth.cpp
  PCFDepth.hpp
  PCFSpotLight.cpp
  PCFSpotLight.hpp
  postbuild_vsm.bat
  PostProcessEffect.cpp
  PostProcessEffect.hpp
  PPGaussianBlur.hpp
  Readme.txt
  SDL.dll
  SDL_image.dll
  SGSpaPCFLight.cpp
  SGSpaPCFLight.hpp
  SGSpaVSMLight.cpp
  SGSpaVSMLight.hpp
  SGTraPCFLight.hpp
  SGTraVSMLight.hpp
  VSM.cpp
  VSM.hpp
  VSM.sln
  VSM.vcproj
  VSMDepth.cpp
  VSMDepth.hpp
  VSMSpotLight.cpp
  VSMSpotLight.hpp
  zlib1.dll

 Downloaders recently:  shisnake xhyguy hopezkc [More information of uploader miniant_ant]

 To Search: variance shadow maps vSM de variance shadow 

 [SnowAccumulation.zip] - SnowAccumulation.zip
 [RadeonSoftshadow.zip] - Soft shadow on the realization of source from ATI to provide DirectX 8.1
 [osgFirefoxPlugin.zip] - this code show how to plugin osg window in firefox ¡£

 [GLrefshad.rar] - OpenGL specular reflection, the shadow of programming template, Specific learning OpenGL Programming good example.
 [penshadow.rar] - the shadow of a pencil example, is using opengl prepared in.
 [GMMM-UBM.rar] - Graduation project papers, very good is the voice identification, GMM-UBM area- GMMM UBM Broadcasting Language Recognition
 [shadowMap.rar] - The use of high-level shader language HLSL shadow objects prepared special effects, consumption of fast memory in small easy to use in the game
 [RedTreasureBookandOpenGLsource.Rar] - OpenGL source and Red Treasure Book
 [softshadow.rar] - soft shadow