Visit the Spark LUT Patch project page. Download and extract the code to your computer.
From the Assets panel, click on Add Asset > Import > From Computer. Import for the spark-lut-patch-master\patches\FastColorLUT.arp file.
Go to View > Show/Hide Patch Editor.
Drag and drop the FastColorLUT asset to the Patch Editor panel.
From the Assets panel, click on Add Asset > Import > From Computer. Import a PNG LUT. The LUTs for SparkleStock products can be found in either the LUTs\PNG or LUTs\Open Broadcaster Software folder.
Drag and drop the LUT asset to the Patch Editor panel.
Drag and drop the LUT’s RGBA output to FastColorLUT’s LUT input.
Go to Add > 2D Objects > Canvas.
With the newly created canvas0 object selected, go to Add > 2D Objects > Rectangle.
With the rectangle0 object selected, go to the Properties panel and click on the “Width” setting. Select “Fill Width”. Repeat this for the “Height” setting.
From the same Properties panel, find the Materials section and click on the + icon.
From the Assets panel, select material0.
In the Shader Properties > Diffuse section, click on the → button to add it to the Patch Editor.
From the Scene panel, select the Camera. In the Camera panel, add a Texture Extraction.
Drag and drop the cameraTexture0 asset to the Patch Editor. Drag and drop the cameraTexture0 RGBA output to FastColorLUT’s Texture input.
In the Patch Editor panel, drag and drop the FastColorLUT output to the material0 input.
The preview should now have the LUT applied.
To adjust the LUT opacity, select material0 from the Assets panel. In the Render Options section, adjust the opacity setting.