LightMapRendering.cpp File Reference

#include "LightMapRendering.h"
#include "LightMap.h"
#include "ScenePrivate.h"
#include "PrecomputedVolumetricLightmap.h"
#include "RenderCore.h"
#include "DataDrivenShaderPlatformInfo.h"

Functions
	IMPLEMENT_TYPE_LAYOUT (FUniformLightMapPolicyShaderParametersType)
	IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT (FIndirectLightingCacheUniformParameters, "IndirectLightingCache")
bool	MobileUseCSMShaderBranch ()
void	SetupLCIUniformBuffers (const FPrimitiveSceneProxy *PrimitiveSceneProxy, const FLightCacheInterface *LCI, FRHIUniformBuffer *&PrecomputedLightingBuffer, FRHIUniformBuffer *&LightmapResourceClusterBuffer, FRHIUniformBuffer *&IndirectLightingCacheBuffer)
void	InterpolateVolumetricLightmap (FVector LookupPosition, const FVolumetricLightmapSceneData &VolumetricLightmapSceneData, FVolumetricLightmapInterpolation &OutInterpolation)
void	GetIndirectLightingCacheParameters (ERHIFeatureLevel::Type FeatureLevel, FIndirectLightingCacheUniformParameters &Parameters, const FIndirectLightingCache *LightingCache, const FIndirectLightingCacheAllocation *LightingAllocation, FVector VolumetricLightmapLookupPosition, uint32 SceneFrameNumber, FVolumetricLightmapSceneData *VolumetricLightmapSceneData)

Variables
const TCHAR *	GLightmapDefineName [2]
int32	GNumLightmapCoefficients [2]
TGlobalResource< FEmptyPrecomputedLightingUniformBuffer >	GEmptyPrecomputedLightingUniformBuffer
TGlobalResource< FEmptyIndirectLightingCacheUniformBuffer >	GEmptyIndirectLightingCacheUniformBuffer

Function Documentation

GetIndirectLightingCacheParameters()

void GetIndirectLightingCacheParameters	(	ERHIFeatureLevel::Type	FeatureLevel,
		FIndirectLightingCacheUniformParameters &	Parameters,
		const FIndirectLightingCache *	LightingCache,
		const FIndirectLightingCacheAllocation *	LightingAllocation,
		FVector	VolumetricLightmapLookupPosition,
		uint32	SceneFrameNumber,
		FVolumetricLightmapSceneData *	VolumetricLightmapSceneData
	)

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT()

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT	(	FIndirectLightingCacheUniformParameters	,
		"IndirectLightingCache"
	)

IMPLEMENT_TYPE_LAYOUT()

IMPLEMENT_TYPE_LAYOUT

(

FUniformLightMapPolicyShaderParametersType

)

InterpolateVolumetricLightmap()

void InterpolateVolumetricLightmap	(	FVector	LookupPosition,
		const FVolumetricLightmapSceneData &	VolumetricLightmapSceneData,
		FVolumetricLightmapInterpolation &	OutInterpolation
	)

MobileUseCSMShaderBranch()

bool MobileUseCSMShaderBranch

(

)

SetupLCIUniformBuffers()

void SetupLCIUniformBuffers	(	const FPrimitiveSceneProxy *	PrimitiveSceneProxy,
		const FLightCacheInterface *	LCI,
		FRHIUniformBuffer *&	PrecomputedLightingBuffer,
		FRHIUniformBuffer *&	LightmapResourceClusterBuffer,
		FRHIUniformBuffer *&	IndirectLightingCacheBuffer
	)

Variable Documentation

GEmptyIndirectLightingCacheUniformBuffer

TGlobalResource< FEmptyIndirectLightingCacheUniformBuffer > GEmptyIndirectLightingCacheUniformBuffer

Global uniform buffer containing the default precomputed lighting data.

GEmptyPrecomputedLightingUniformBuffer

TGlobalResource< FEmptyPrecomputedLightingUniformBuffer > GEmptyPrecomputedLightingUniformBuffer

Global uniform buffer containing the default precomputed lighting data.

GLightmapDefineName

const TCHAR* GLightmapDefineName[2]

Initial value:

=
{
    TEXT("LQ_TEXTURE_LIGHTMAP"),
 
}

GNumLightmapCoefficients

int32 GNumLightmapCoefficients[2]

Initial value:

= 
{
    NUM_LQ_LIGHTMAP_COEF,
    NUM_HQ_LIGHTMAP_COEF
}