public virtual RenderTarget2D RenderToTexture(Texture2D input)
{
Texture2D snapshot = GetSceneSnapshot();
Effect.Parameters["fFadeAmount"].SetValue(_fadeTime);
Effect.Parameters["ColorMap2"].SetValue(snapshot);
PostProcessor.DrawFullscreenQuad(GraphicsDevice, input, _renderTarget, Effect);
return(_renderTarget);
}
public RenderTarget2D RenderToTexture(Texture2D input)
{
Texture2D colorMap = input;
// Pass 1: Extract the bright parts of the image.
_ExtractEffect.Parameters["Threshold"].SetValue(Settings.BloomThreshold);
PostProcessor.DrawFullscreenQuad(GraphicsDevice, input, _bloomTarget1, _ExtractEffect);
// Pass 2: draw from bloomTarget1 into bloomTarget2,
// using a shader to apply a horizontal gaussian blur filter.
SetBlurEffectParameters(_BlurEffect, 1.0f / (float)_bloomTarget1.Width, 0, 4);
PostProcessor.DrawFullscreenQuad(GraphicsDevice, _bloomTarget1, _bloomTarget2, _BlurEffect);
// Pass 3: draw from bloomTarget2 back into bloomTarget1,
// using a shader to apply a vertical gaussian blur filter.
SetBlurEffectParameters(_BlurEffect, 0, 1.0f / (float)_bloomTarget1.Height, 4);
PostProcessor.DrawFullscreenQuad(GraphicsDevice, _bloomTarget2, _bloomTarget1, _BlurEffect);
GraphicsDevice.SetRenderTarget(_finalTarget);
GraphicsDevice.Clear(ClearOptions.Target | ClearOptions.DepthBuffer, Color.Black, 1.0f, 0);
// Final Pass: Combine the colormap and the bloom texture.
_CombineEffect.Parameters["ColorMap"].SetValue(colorMap);
_CombineEffect.Parameters["BloomIntensity"].SetValue(Settings.BloomIntensity);
_CombineEffect.Parameters["OriginalIntensity"].SetValue(Settings.BaseIntensity);
_CombineEffect.Parameters["BloomSaturation"].SetValue(Settings.BloomSaturation);
_CombineEffect.Parameters["OriginalSaturation"].SetValue(Settings.BaseSaturation);
PostProcessor.DrawFullscreenQuad(
GraphicsDevice,
_bloomTarget1,
_finalTarget.Width,
_finalTarget.Height,
_CombineEffect);
return(_finalTarget);
}
public virtual RenderTarget2D RenderToTexture(Texture2D input)
{
PostProcessor.DrawFullscreenQuad(GraphicsDevice, input, _renderTarget, Effect);
return(_renderTarget);
}
