/// <summary>
/// Downscales the source to 1/4th size, using mipmaps
/// !! IMPORTANT !! you cannot just switch function call. Also changing RTs is necessary.
/// </summary>
protected void GenerateDownscale4(Texture sourceMod, Texture sourceDiv, Texture destination, MyEffectScale effect)
{
effect.SetTechnique(MyEffectScale.Technique.Downscale4);
MyRender.SetRenderTarget(destination, null);
effect.SetSourceTextureMod(sourceMod);
effect.SetSourceTextureDiv(sourceDiv);
//effect.SetLumTexture(currentFrameAdaptedLuminance);
effect.SetHalfPixel(sourceMod.GetLevelDescription(0).Width, sourceMod.GetLevelDescription(0).Height);
MyRender.GetFullscreenQuad().Draw(effect);
}
private void Upscale4To2(Texture down4, Texture down2, MyEffectScale effect)
{
effect.SetTechnique(MyEffectScale.Technique.HWScale);
PostProcess(down4, down2, effect);
}