Method _setupTexture

Engine/source/postFx/postEffect.cpp:1132–1182

}

void PostEffect::_setupTexture( U32 stage, GFXTexHandle &inputTex, const RectI *inTexViewport )
{
   const String &texFilename = getTexture( stage );

   GFXTexHandle theTex;
   NamedTexTarget *namedTarget = NULL;

   RectI viewport = GFX->getViewport();

   if ( texFilename.compare( "$inTex", 0, String::NoCase ) == 0 )
   {
      theTex = inputTex;

      if ( inTexViewport )
      {
         viewport = *inTexViewport;
      }
      else if ( theTex )
      {
         viewport.set( 0, 0, theTex->getWidth(), theTex->getHeight() );
      }
   }
   else if ( texFilename.compare( "$backBuffer", 0, String::NoCase ) == 0 )
   {
      theTex = PFXMGR->getBackBufferTex();

      // Always use the GFX viewport when reading from the backbuffer
   }
   else if ( texFilename.isNotEmpty() && texFilename[0] == '#' )
   {
      namedTarget = NamedTexTarget::find( texFilename.c_str() + 1 );
      if ( namedTarget )
      {
         theTex = namedTarget->getTexture( 0 );
         viewport = namedTarget->getViewport();
      }
   }
   else
   {
      theTex = mTexture[ stage ];
      if ( theTex )
         viewport.set( 0, 0, theTex->getWidth(), theTex->getHeight() );
   }

   mActiveTextures[ stage ] = theTex;
   mActiveNamedTarget[ stage ] = namedTarget;
   mActiveTextureViewport[ stage ] = viewport;

   if ( theTex.isValid() )
      GFX->setTexture( stage, theTex );
}

void PostEffect::_setupCubemapTexture(U32 stage, GFXCubemapHandle &inputTex)
{