void GFXGLWindowTarget::resolveTo(GFXTextureObject* obj)
{
   AssertFatal(dynamic_cast<GFXGLTextureObject*>(obj), "GFXGLTextureTarget::resolveTo - Incorrect type of texture, expected a GFXGLTextureObject");
   GFXGLTextureObject* glTexture = static_cast<GFXGLTextureObject*>(obj);

   if( gglHasExtension(ARB_copy_image) )
   {
      if(mBackBufferColorTex.getWidth() == glTexture->getWidth()
         && mBackBufferColorTex.getHeight() == glTexture->getHeight()
         && mBackBufferColorTex.getFormat() == glTexture->getFormat())
      {
         glCopyImageSubData(
           static_cast<GFXGLTextureObject*>(mBackBufferColorTex.getPointer())->getHandle(), GL_TEXTURE_2D, 0, 0, 0, 0,
           glTexture->getHandle(), GL_TEXTURE_2D, 0, 0, 0, 0,
           getSize().x, getSize().y, 1);
         return;
      }
   }

   PRESERVE_FRAMEBUFFER();

   if(!mCopyFBO)
   {
      glGenFramebuffers(1, &mCopyFBO);
   }
   
   glBindFramebuffer(GL_DRAW_FRAMEBUFFER, mCopyFBO);
   glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, glTexture->getHandle(), 0);
   
   glBindFramebuffer(GL_READ_FRAMEBUFFER, mBackBufferFBO);
   
   glBlitFramebuffer(0, 0, getSize().x, getSize().y,
      0, 0, glTexture->getWidth(), glTexture->getHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
inline void GFXGLWindowTarget::_setupAttachments()
{
   glBindFramebuffer( GL_FRAMEBUFFER, mBackBufferFBO);
   GFXGL->getOpenglCache()->setCacheBinded(GL_FRAMEBUFFER, mBackBufferFBO);
   const Point2I dstSize = getSize();
   mBackBufferColorTex.set(dstSize.x, dstSize.y, getFormat(), &PostFxTargetProfile, "backBuffer");
   GFXGLTextureObject *color = static_cast<GFXGLTextureObject*>(mBackBufferColorTex.getPointer());
   glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, color->getHandle(), 0);
   mBackBufferDepthTex.set(dstSize.x, dstSize.y, GFXFormatD24S8, &BackBufferDepthProfile, "backBuffer");
   GFXGLTextureObject *depth = static_cast<GFXGLTextureObject*>(mBackBufferDepthTex.getPointer());
   glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depth->getHandle(), 0);
}
void GFXGLWindowTarget::resolveTo(GFXTextureObject* obj)
{
   AssertFatal(dynamic_cast<GFXGLTextureObject*>(obj), "GFXGLTextureTarget::resolveTo - Incorrect type of texture, expected a GFXGLTextureObject");
   GFXGLTextureObject* glTexture = static_cast<GFXGLTextureObject*>(obj);

   PRESERVE_FRAMEBUFFER();
   
   GLuint dest;
   
   glGenFramebuffersEXT(1, &dest);
   
   glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, dest);
   glFramebufferTexture2DEXT(GL_DRAW_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, glTexture->getHandle(), 0);
   
   glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
   
   glBlitFramebufferEXT(0, 0, getSize().x, getSize().y,
      0, 0, glTexture->getWidth(), glTexture->getHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST);
   
   glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
   
   glDeleteFramebuffersEXT(1, &dest);
}