FogRendering.cpp File Reference

#include "FogRendering.h"
#include "DataDrivenShaderPlatformInfo.h"
#include "DeferredShadingRenderer.h"
#include "LightSceneProxy.h"
#include "ScenePrivate.h"
#include "Engine/TextureCube.h"
#include "PipelineStateCache.h"
#include "SingleLayerWaterRendering.h"
#include "SceneCore.h"
#include "ScreenPass.h"
#include "TextureResource.h"
#include "PostProcess/PostProcessing.h"
#include "EnvironmentComponentsFlags.h"

Classes
class	FHeightFogVS
class	FExponentialHeightFogPS
class	FFogVertexDeclaration

Functions
	DECLARE_GPU_DRAWCALL_STAT (Fog)
bool	PlatformUsesBasicFogFeatures (EShaderPlatform ShaderPlatform)
	IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT (FFogUniformParameters, "FogStruct")
void	SetupFogUniformParameters (FRDGBuilder &GraphBuilder, const FViewInfo &View, FFogUniformParameters &OutParameters, bool bForRealtimeSkyCapture)
TRDGUniformBufferRef< FFogUniformParameters >	CreateFogUniformBuffer (FRDGBuilder &GraphBuilder, const FViewInfo &View)
	IMPLEMENT_GLOBAL_SHADER (FHeightFogVS, "/Engine/Private/HeightFogVertexShader.usf", "Main", SF_Vertex)
	IMPLEMENT_GLOBAL_SHADER (FExponentialHeightFogPS, "/Engine/Private/HeightFogPixelShader.usf", "ExponentialPixelMain", SF_Pixel)
void	RenderFogOnClouds (FRDGBuilder &GraphBuilder, const FScene *Scene, const FViewInfo &View, FRDGTextureRef SrcCloudDepth, FRDGTextureRef SrcCloudView, FRDGTextureRef DstCloudView, const bool bShouldRenderVolumetricFog, const bool bUseVolumetricRenderTarget)
bool	ShouldRenderFog (const FSceneViewFamily &Family)
float	GetFogDefaultStartDistance ()
float	GetViewFogCommonStartDistance (const FViewInfo &View, bool bShouldRenderVolumetricFog, bool bShouldRenderLocalFogVolumes)

Variables
TGlobalResource< FFogVertexDeclaration >	GFogVertexDeclaration

Function Documentation

CreateFogUniformBuffer()

TRDGUniformBufferRef< FFogUniformParameters > CreateFogUniformBuffer	(	FRDGBuilder &	GraphBuilder,
		const FViewInfo &	View
	)

DECLARE_GPU_DRAWCALL_STAT()

DECLARE_GPU_DRAWCALL_STAT

(

Fog

)

GetFogDefaultStartDistance()

float GetFogDefaultStartDistance

(

)

GetViewFogCommonStartDistance()

float GetViewFogCommonStartDistance	(	const FViewInfo &	View,
		bool	bShouldRenderVolumetricFog,
		bool	bShouldRenderLocalFogVolumes
	)

IMPLEMENT_GLOBAL_SHADER() [1/2]

IMPLEMENT_GLOBAL_SHADER	(	FExponentialHeightFogPS	,
		"/Engine/Private/HeightFogPixelShader.usf"	,
		"ExponentialPixelMain"	,
		SF_Pixel
	)

IMPLEMENT_GLOBAL_SHADER() [2/2]

IMPLEMENT_GLOBAL_SHADER	(	FHeightFogVS	,
		"/Engine/Private/HeightFogVertexShader.usf"	,
		"Main"	,
		SF_Vertex
	)

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT()

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT	(	FFogUniformParameters	,
		"FogStruct"
	)

PlatformUsesBasicFogFeatures()

bool PlatformUsesBasicFogFeatures

(

EShaderPlatform

ShaderPlatform

)

RenderFogOnClouds()

void RenderFogOnClouds	(	FRDGBuilder &	GraphBuilder,
		const FScene *	Scene,
		const FViewInfo &	View,
		FRDGTextureRef	SrcCloudDepth,
		FRDGTextureRef	SrcCloudView,
		FRDGTextureRef	DstCloudView,
		const bool	bShouldRenderVolumetricFog,
		const bool	bUseVolumetricRenderTarget
	)

SetupFogUniformParameters()

void SetupFogUniformParameters	(	FRDGBuilder &	GraphBuilder,
		const FViewInfo &	View,
		FFogUniformParameters &	OutParameters,
		bool	bForRealtimeSkyCapture
	)

ShouldRenderFog()

bool ShouldRenderFog

(

const FSceneViewFamily &

Family

)

Variable Documentation

GFogVertexDeclaration

TGlobalResource<FFogVertexDeclaration> GFogVertexDeclaration

Vertex declaration for the light function fullscreen 2D quad.