protected virtual void OnRenderImage(RenderTexture source, RenderTexture destination)
{
if (blurAlgorithm == null || BlurConfig == null)
{
goto draw_unmodified;
}
if (shouldUpdateBlur())
{
//Resize final texture if base downsample changed
if (Downsample != lastDownsample || !BlurRegion.Approximately(lastBlurRegion))
{
CreateNewBlurredScreen();
lastDownsample = Downsample;
lastBlurRegion = BlurRegion;
}
blurAlgorithm.Blur(source, BlurRegion, ref blurredScreen);
}
if (preview)
{
previewMaterial.SetVector(ShaderProperties.blurTextureCropRegion, BlurRegion.ToMinMaxVector());
Graphics.Blit(BlurredScreen, destination, previewMaterial);
return;
}
draw_unmodified:
Graphics.Blit(source, destination);
}
public void OnBeforeBlur()
{
if (BlurredScreen == null || !BlurredScreen.IsCreated() ||
Downsample != lastDownsample ||
!BlurRegion.Approximately(lastBlurRegion))
{
CreateNewBlurredScreen();
lastDownsample = Downsample;
lastBlurRegion = BlurRegion;
}
}
