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

#pragma once

// Counterpart to Nanite::FPackedView in NaniteShared.h
struct FPackedNaniteView
{
	float4x4	SVPositionToTranslatedWorld;
	float4x4	ViewToTranslatedWorld;

	float4x4	TranslatedWorldToView;
	float4x4	TranslatedWorldToClip;
	float4x4	ViewToClip;
	float4x4	ClipToRelativeWorld;

	float4x4	PrevTranslatedWorldToView;
	float4x4	PrevTranslatedWorldToClip;
	float4x4	PrevViewToClip;
	float4x4	PrevClipToRelativeWorld;

	int4		ViewRect;
	float4		ViewSizeAndInvSize;
	float4		ClipSpaceScaleOffset;
	float4      MaterialCacheUnwrapMinAndInvSize;
	float4      MaterialCachePageAdvanceAndInvCount;
	float3		PreViewTranslationHigh;
	float		ViewOriginHighX;
	float3		PrevPreViewTranslationHigh;
	float		ViewOriginHighY;
	float3		PrevPreViewTranslationLow;
	float		CullingViewMinRadiusTestFactorSq;
	float3		ViewOriginLow;
	float		ViewOriginHighZ;
	float3		CullingViewOriginTranslatedWorld;
	float		RangeBasedCullingDistance;
	float3		ViewForward;
	float 		NearPlane;

	float4		TranslatedGlobalClipPlane; // Not actually used unless project setting is enabled

	float3		PreViewTranslationLow;
	float		CullingViewScreenMultipleSq;
	
	float2		LODScales;
	uint		InstanceOcclusionQueryMask;
	uint		StreamingPriorityCategory_AndFlags;

	int4		TargetLayerIdX_AndMipLevelY_AndNumMipLevelsZ;

	int4		HZBTestViewRect;

	uint4		FirstPersonTransformRowsExceptRow2Z; // Packed into half floats
	uint		FirstPersonTransformRow2Z;
	uint		LightingChannelMask;
	int			SceneRendererPrimaryViewId;
	uint		Padding1;
	float2		DynamicDepthCullRange;
	uint2		Padding2;
};