World.cpp

World::doPostProcessing()
{
    // The different steps/techniques for bloom, first argument input, second output
    mPostRenderer.apply(Shaders::BrightnessPass, mSceneTexture, mBrightnessTexture);
    mPostRenderer.apply(Shaders::DownSample, mBrightnessTexture, mBloomTexture1);
    mPostRenderer.apply(Shaders::GuassianBlurVertical, mBloomTexture1, mBloomTexture2);
    mPostRenderer.apply(Shaders::GuassianBlurHorizontal, mBloomTexture2, mBloomTexture1);
    mPostRenderer.apply(Shaders::GuassianBlurVertical, mBloomTexture1, mBloomTexture2);
    mPostRenderer.apply(Shaders::GuassianBlurHorizontal, mBloomTexture2, mBloomTexture1);

    // This one has two input and the last is output
    mPostRenderer.apply(Shaders::Add, mBloomTexture1, mSceneTexture, mWindow);
}