// Copyright Epic Games, Inc. All Rights Reserved.

/*=============================================================================
	CopyDepthTextureCS.usf
=============================================================================*/

#include "Common.ush"

#ifndef THREADGROUP_SIZE
#error THREADGROUP_SIZE must be defined
#endif

Texture2D SceneDepthTexture;

RWTexture2D<float> RWDepthTexture;

[numthreads(THREADGROUP_SIZE, THREADGROUP_SIZE, 1)]
void CopyDepthCS(
	uint2 DispatchThreadId : SV_DispatchThreadID)
{
	float DeviceZ = SceneDepthTexture[DispatchThreadId + View.ViewRectMinAndSize.xy].x;
	RWDepthTexture[DispatchThreadId + View.ViewRectMinAndSize.xy] = DeviceZ;
}