using System;
using System.Runtime.InteropServices;
using UnityEngine;

namespace FidelityFX
{
    public abstract class FfxContextBase
    {
        protected static ComputeBuffer CreateConstantBuffer<TBuf>() 
            where TBuf: struct
        {
            return new ComputeBuffer(1, Marshal.SizeOf<TBuf>(), ComputeBufferType.Constant);
        }
        
        protected static void DestroyConstantBuffer(ref ComputeBuffer bufferRef)
        {
            if (bufferRef == null)
                return;
            
            bufferRef.Release();
            bufferRef = null;
        }

        protected static void DestroyPass<TPass>(ref TPass pass)
            where TPass: class, IDisposable
        {
            if (pass == null)
                return;
            
            pass.Dispose();
            pass = null;
        }
    }
}