ChromaPipeline.cs

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using System.Collections.Generic;
using System.Linq;
 
namespace ReLogic.Peripherals.RGB;
 
internal class ChromaPipeline
{
    public delegate void PostProcessingEvent(RgbDevice device, Fragment fragment, float time);
 
    private IEnumerable<RgbKey> _hotkeys;
 
    public event PostProcessingEvent PostProcessingEvents;
 
    public void SetHotkeys(IEnumerable<RgbKey> keys)
    {
        _hotkeys = keys;
    }
 
    public void Process(IEnumerable<RgbDevice> devices, IEnumerable<ShaderOperation> shaders, float time)
    {
        foreach (RgbDevice device in devices)
        {
            ProcessDevice(device, shaders, time);
            device.Present();
        }
    }
 
    private void ProcessDevice(RgbDevice device, IEnumerable<ShaderOperation> shaders, float time)
    {
        Fragment fragment = device.Rasterize();
        if (shaders != null)
        {
            foreach (ShaderOperation shader in shaders)
            {
                shader.Process(device, fragment, time);
                device.Render(fragment, shader.BlendState);
            }
        }
        if (_hotkeys != null && device is RgbKeyboard rgbKeyboard)
        {
            rgbKeyboard.Render(_hotkeys.Where((RgbKey key) => key.IsVisible));
        }
        if (this.PostProcessingEvents != null)
        {
            fragment.Clear();
            this.PostProcessingEvents(device, fragment, time);
            device.Render(fragment, new ShaderBlendState(BlendMode.PerPixelOpacity));
        }
    }
}