using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security;
using UnityEngine.Scripting;

namespace UnityEngine
{
	// Token: 0x0200002D RID: 45
	public sealed class ComputeBuffer : IDisposable
	{
		// Token: 0x060003AC RID: 940 RVA: 0x00006768 File Offset: 0x00004968
		public ComputeBuffer(int count, int stride)
			: this(count, stride, ComputeBufferType.Default, 3)
		{
		}

		// Token: 0x060003AD RID: 941 RVA: 0x00006778 File Offset: 0x00004978
		public ComputeBuffer(int count, int stride, ComputeBufferType type)
			: this(count, stride, type, 3)
		{
		}

		// Token: 0x060003AE RID: 942 RVA: 0x00006788 File Offset: 0x00004988
		internal ComputeBuffer(int count, int stride, ComputeBufferType type, int stackDepth)
		{
			if (count <= 0)
			{
				throw new ArgumentException("Attempting to create a zero length compute buffer", "count");
			}
			if (stride < 0)
			{
				throw new ArgumentException("Attempting to create a compute buffer with a negative stride", "stride");
			}
			this.m_Ptr = IntPtr.Zero;
			ComputeBuffer.InitBuffer(this, count, stride, type);
		}

		// Token: 0x060003AF RID: 943 RVA: 0x000067E0 File Offset: 0x000049E0
		~ComputeBuffer()
		{
			this.Dispose(false);
		}

		// Token: 0x060003B0 RID: 944 RVA: 0x00006814 File Offset: 0x00004A14
		public void Dispose()
		{
			this.Dispose(true);
			GC.SuppressFinalize(this);
		}

		// Token: 0x060003B1 RID: 945 RVA: 0x00006824 File Offset: 0x00004A24
		private void Dispose(bool disposing)
		{
			if (disposing)
			{
				ComputeBuffer.DestroyBuffer(this);
			}
			else if (this.m_Ptr != IntPtr.Zero)
			{
				Debug.LogWarning("GarbageCollector disposing of ComputeBuffer. Please use ComputeBuffer.Release() or .Dispose() to manually release the buffer.");
			}
			this.m_Ptr = IntPtr.Zero;
		}

		// Token: 0x060003B2 RID: 946
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern void InitBuffer(ComputeBuffer buf, int count, int stride, ComputeBufferType type);

		// Token: 0x060003B3 RID: 947
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern void DestroyBuffer(ComputeBuffer buf);

		// Token: 0x060003B4 RID: 948 RVA: 0x00006874 File Offset: 0x00004A74
		public void Release()
		{
			this.Dispose();
		}

		// Token: 0x170000CB RID: 203
		// (get) Token: 0x060003B5 RID: 949
		public extern int count
		{
			[GeneratedByOldBindingsGenerator]
			[MethodImpl(MethodImplOptions.InternalCall)]
			get;
		}

		// Token: 0x170000CC RID: 204
		// (get) Token: 0x060003B6 RID: 950
		public extern int stride
		{
			[GeneratedByOldBindingsGenerator]
			[MethodImpl(MethodImplOptions.InternalCall)]
			get;
		}

		// Token: 0x060003B7 RID: 951 RVA: 0x00006880 File Offset: 0x00004A80
		[SecuritySafeCritical]
		public void SetData(Array data)
		{
			if (data == null)
			{
				throw new ArgumentNullException("data");
			}
			this.InternalSetData(data, 0, 0, data.Length, Marshal.SizeOf(data.GetType().GetElementType()));
		}

		// Token: 0x060003B8 RID: 952 RVA: 0x000068B4 File Offset: 0x00004AB4
		[SecuritySafeCritical]
		public void SetData(Array data, int managedBufferStartIndex, int computeBufferStartIndex, int count)
		{
			if (data == null)
			{
				throw new ArgumentNullException("data");
			}
			if (managedBufferStartIndex < 0 || computeBufferStartIndex < 0 || count < 0 || managedBufferStartIndex + count > data.Length)
			{
				throw new ArgumentOutOfRangeException(string.Format("Bad indices/count arguments (managedBufferStartIndex:{0} computeBufferStartIndex:{1} count:{2})", managedBufferStartIndex, computeBufferStartIndex, count));
			}
			this.InternalSetData(data, managedBufferStartIndex, computeBufferStartIndex, count, Marshal.SizeOf(data.GetType().GetElementType()));
		}

		// Token: 0x060003B9 RID: 953
		[SecurityCritical]
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private extern void InternalSetData(Array data, int managedBufferStartIndex, int computeBufferStartIndex, int count, int elemSize);

		// Token: 0x060003BA RID: 954 RVA: 0x00006938 File Offset: 0x00004B38
		[SecurityCritical]
		public void GetData(Array data)
		{
			if (data == null)
			{
				throw new ArgumentNullException("data");
			}
			this.InternalGetData(data, 0, 0, data.Length, Marshal.SizeOf(data.GetType().GetElementType()));
		}

		// Token: 0x060003BB RID: 955 RVA: 0x0000696C File Offset: 0x00004B6C
		[SecurityCritical]
		public void GetData(Array data, int managedBufferStartIndex, int computeBufferStartIndex, int count)
		{
			if (data == null)
			{
				throw new ArgumentNullException("data");
			}
			if (managedBufferStartIndex < 0 || computeBufferStartIndex < 0 || count < 0 || managedBufferStartIndex + count > data.Length)
			{
				throw new ArgumentOutOfRangeException(string.Format("Bad indices/count argument (managedBufferStartIndex:{0} computeBufferStartIndex:{1} count:{2})", managedBufferStartIndex, computeBufferStartIndex, count));
			}
			this.InternalGetData(data, managedBufferStartIndex, computeBufferStartIndex, count, Marshal.SizeOf(data.GetType().GetElementType()));
		}

		// Token: 0x060003BC RID: 956
		[SecurityCritical]
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private extern void InternalGetData(Array data, int managedBufferStartIndex, int computeBufferStartIndex, int count, int elemSize);

		// Token: 0x060003BD RID: 957
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		public extern void SetCounterValue(uint counterValue);

		// Token: 0x060003BE RID: 958
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		public static extern void CopyCount(ComputeBuffer src, ComputeBuffer dst, int dstOffsetBytes);

		// Token: 0x060003BF RID: 959 RVA: 0x000069F0 File Offset: 0x00004BF0
		public IntPtr GetNativeBufferPtr()
		{
			IntPtr intPtr;
			ComputeBuffer.INTERNAL_CALL_GetNativeBufferPtr(this, out intPtr);
			return intPtr;
		}

		// Token: 0x060003C0 RID: 960
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern void INTERNAL_CALL_GetNativeBufferPtr(ComputeBuffer self, out IntPtr value);

		// Token: 0x0400003C RID: 60
		internal IntPtr m_Ptr;
	}
}