using RefreshCS;
using System;
using System.Runtime.InteropServices;

namespace MoonWorks.Graphics
{
	public class ComputePipeline : GraphicsResource
	{
		protected override Action<IntPtr, IntPtr, IntPtr> QueueDestroyFunction => Refresh.Refresh_QueueDestroyComputePipeline;

		public ComputeShaderInfo ComputeShaderInfo { get; }

		public unsafe ComputePipeline(
			GraphicsDevice device,
			ComputeShaderInfo computeShaderInfo
		) : base(device)
		{
			var refreshComputeShaderInfo = new Refresh.ComputeShaderInfo
			{
				entryPointName = computeShaderInfo.EntryPointName,
				shaderModule = computeShaderInfo.ShaderModule.Handle,
				uniformBufferSize = computeShaderInfo.UniformBufferSize,
				bufferBindingCount = computeShaderInfo.BufferBindingCount,
				imageBindingCount = computeShaderInfo.ImageBindingCount
			};

			Handle = Refresh.Refresh_CreateComputePipeline(
				device.Handle,
				refreshComputeShaderInfo
			);

			ComputeShaderInfo = computeShaderInfo;
		}
	}
}