void BloomEffect::apply(const sf::RenderTexture& input, sf::RenderTarget& output)
{
prepareTextures(input.getSize());
filterBright(input, mBrightnessTexture);
downsample(mBrightnessTexture, mFirstPassTextures[0]);
blurMultipass(mFirstPassTextures);
downsample(mFirstPassTextures[0], mSecondPassTextures[0]);
blurMultipass(mSecondPassTextures);
add(mFirstPassTextures[0], mSecondPassTextures[0], mFirstPassTextures[1]);
mFirstPassTextures[1].display();
add(input, mFirstPassTextures[1], output);
}
//public
void PostBloom::apply(const sf::RenderTexture& src, sf::RenderTarget& dest)
{
initTextures(src.getSize());
filterBright(src, m_brightnessTexture);
downSample(m_brightnessTexture, m_firstPassTextures[0]);
blurMultipass(m_firstPassTextures);
downSample(m_firstPassTextures[0], m_secondPassTextures[0]);
blurMultipass(m_secondPassTextures);
add(m_firstPassTextures[0], m_secondPassTextures[0], m_firstPassTextures[1]);
m_firstPassTextures[1].display();
add(src, m_firstPassTextures[1], dest);
}