Terrain Namespace Reference

Detailed Description

The occupancy quad tree implements a tree which allows for a quick search.

The texture tile cache keeps track of which texture tiles should be used based on a last recently used heuristic.

Terrain rendering subsystem.

Copyright

(C) 2020 Individual contributors, see AUTHORS file

Classes
struct	BiomeMaterial
struct	BiomeMaterialBuilder
struct	BiomeParameters
struct	BiomeSettings
struct	BiomeSettingsBuilder
struct	IndirectionEntry
class	OccupancyQuadTree
struct	PhysicalTileUpdate
struct	SubTexture
struct	SubTextureCompressed
struct	SubTextureUpdateJobOutput
struct	SubTextureUpdateJobUniforms
struct	TerrainBiomeId
class	TerrainContext
struct	TerrainQuad
struct	TerrainSetupSettings
struct	TerrainTri
struct	TerrainVert
class	TextureTileCache
struct	TileCacheEntry

Enumerations
enum	BiomeLoadBits {   AlbedoLoaded = 0x1 , NormalLoaded = 0x2 , MaterialLoaded = 0x4 , MaskLoaded = 0x8 ,   WeightsLoaded = 0x10 }
enum class	SubTextureUpdateState : uint8 {   NoChange , Deleted , Created , Grew ,   Shrank }

Functions
	__ImplementContext (TerrainContext, TerrainContext::terrainAllocator)
void	PackSubTexture (const SubTexture &subTex, TerrainSubTexture &compressed)
void	UnpackPageDataEntry (uint *packed, uint &status, uint &subTextureIndex, uint &mip, uint &maxMip, uint &subTextureTileX, uint &subTextureTileY)
	Unpack from packed ushort vectors to full size.
template<typename T >
uint	Upload (T *data, uint size, uint alignment)
void	IndirectionUpdate (uint mip, uint physicalOffsetX, uint physicalOffsetY, uint indirectionOffsetX, uint indirectionOffsetY, uint subTextureTileX, uint subTextureTileY)
void	IndirectionErase (uint mip, uint indirectionOffsetX, uint indirectionOffsetY, uint subTextureTileX, uint subTextureTileY)
void	IndirectionMoveGrow (uint oldMaxMip, uint oldTiles, const Math::uint2 &oldCoord, uint newMaxMip, uint newTiles, const Math::uint2 &newCoord)
	Copies mip chain from old region to new region which is bigger by mapping mips 0..X to 1..X in the new region.
void	IndirectionMoveShrink (uint oldMaxMip, uint oldTiles, const Math::uint2 &oldCoord, uint newMaxMip, uint newTiles, const Math::uint2 &newCoord)
	Copies mip chain from old region to new region which is smaller, mapping mips 0..X to 0..X-1 in the new region.
void	IndirectionClear (uint mips, uint tiles, const Math::uint2 &coord)
	Clear old region.
void	TerrainCullJob (const Jobs::JobFuncContext &ctx)

Variables
static uint	colorIndex = 0
Threading::Event	subtexturesFinishedEvent
Threading::Event	sectionCullFinishedEvent
Threading::AtomicCounter	subtexturesDoneCounter = 0
Threading::AtomicCounter	sectionCullDoneCounter = 0
const uint	IndirectionTextureSize = 2048
const uint	SubTextureWorldSize = 64
const uint	SubTextureMaxTiles = 256
const uint	IndirectionNumMips = Math::log2(SubTextureMaxTiles) + 1
const float	SubTextureRange = 300.0f
const float	SubTextureSwapDistance = 10.0f
const float	SubTextureFadeStart = 200.0f
const uint	SubTextureMaxPixels = 65536
const uint	SubTextureMaxUpdates = 1024
const uint	LowresFallbackSize = 4096
const uint	LowresFallbackMips = Math::log2(LowresFallbackSize) + 1
const uint	PhysicalTextureTileSize = 256
const uint	PhysicalTextureTileHalfPadding = 4
const uint	PhysicalTextureTilePadding = PhysicalTextureTileHalfPadding * 2
const uint	PhysicalTextureNumTiles = 32
const uint	PhysicalTextureTilePaddedSize = PhysicalTextureTileSize + PhysicalTextureTilePadding
const uint	PhysicalTextureSize = (PhysicalTextureTileSize) * PhysicalTextureNumTiles
const uint	PhysicalTexturePaddedSize = (PhysicalTextureTilePaddedSize) * PhysicalTextureNumTiles
const uint	TerrainShadowMapSize = 1024
struct {
TerrainSetupSettings   Terrain::settings
CoreGraphics::ShaderId   Terrain::terrainShader
CoreGraphics::ShaderProgramId   Terrain::terrainShadowProgram
CoreGraphics::ResourceTableId   Terrain::resourceTable
CoreGraphics::BufferId   Terrain::systemConstants
CoreGraphics::VertexLayoutId   Terrain::vlo
CoreGraphics::WindowId   Terrain::wnd
CoreGraphics::BufferId   Terrain::biomeBuffer
Terrain::MaterialLayers   Terrain::biomeMaterials
Util::Array< CoreGraphics::TextureId >   Terrain::biomeTextures
CoreGraphics::TextureId   Terrain::biomeMasks [Terrain::MAX_BIOMES]
CoreGraphics::TextureId   Terrain::biomeWeights [Terrain::MAX_BIOMES]
Threading::AtomicCounter   Terrain::biomeLoaded [Terrain::MAX_BIOMES]
uint   Terrain::biomeLowresGenerated [Terrain::MAX_BIOMES]
IndexT   Terrain::biomeCounter
Graphics::GraphicsEntityId   Terrain::sun
CoreGraphics::TextureId   Terrain::terrainShadowMap
Math::vec4   Terrain::cachedSunDirection
bool   Terrain::updateShadowMap
CoreGraphics::ResourceTableId   Terrain::terrainShadowResourceTable
CoreGraphics::TextureId   Terrain::terrainPosBuffer
Memory::ArenaAllocator< sizeof(Frame::FrameCode) *4 >   Terrain::frameOpAllocator
float   Terrain::mipLoadDistance = 1500.0f
float   Terrain::mipRenderPadding = 150.0f
SizeT   Terrain::layers
bool   Terrain::debugRender
bool   Terrain::renderToggle
}	terrainState
struct {
CoreGraphics::ShaderProgramId   Terrain::terrainPrepassProgram
CoreGraphics::PipelineId   Terrain::terrainPrepassPipeline
CoreGraphics::ShaderProgramId   Terrain::terrainPageClearUpdateBufferProgram
CoreGraphics::ShaderProgramId   Terrain::terrainResolveProgram
CoreGraphics::PipelineId   Terrain::terrainResolvePipeline
CoreGraphics::ShaderProgramId   Terrain::terrainTileUpdateProgram
CoreGraphics::ShaderProgramId   Terrain::terrainTileFallbackProgram
bool   Terrain::virtualSubtextureBufferUpdate
CoreGraphics::BufferSet   Terrain::subtextureStagingBuffers
CoreGraphics::BufferId   Terrain::subTextureBuffer
CoreGraphics::BufferSet   Terrain::pageUpdateReadbackBuffers
CoreGraphics::TextureId   Terrain::indirectionTexture
CoreGraphics::TextureId   Terrain::indirectionTextureCopy
CoreGraphics::BufferId   Terrain::pageUpdateListBuffer
CoreGraphics::BufferId   Terrain::pageStatusBuffer
Threading::AtomicCounter   Terrain::numPatchesThisFrame
CoreGraphics::BufferSet   Terrain::patchConstants
CoreGraphics::BufferId   Terrain::runtimeConstants
CoreGraphics::TextureId   Terrain::physicalAlbedoCache
CoreGraphics::TextureId   Terrain::physicalNormalCache
CoreGraphics::TextureId   Terrain::physicalMaterialCache
CoreGraphics::TextureId   Terrain::lowresAlbedo
CoreGraphics::TextureId   Terrain::lowresNormal
CoreGraphics::TextureId   Terrain::lowresMaterial
bool   Terrain::updateLowres = false
CoreGraphics::ResourceTableSet   Terrain::virtualTerrainSystemResourceTable
CoreGraphics::ResourceTableId   Terrain::virtualTerrainRuntimeResourceTable
Util::FixedArray< CoreGraphics::ResourceTableId >   Terrain::virtualTerrainDynamicResourceTable
SizeT   Terrain::numPageBufferUpdateEntries
Util::FixedArray< SubTexture >   Terrain::subTextures
Util::FixedArray< TerrainSubTexture >   Terrain::gpuSubTextures
Threading::AtomicCounter   Terrain::subTextureNumOutputs
Terrain::SubTextureUpdateJobOutput   Terrain::subTextureJobOutputs [SubTextureMaxUpdates]
OccupancyQuadTree   Terrain::indirectionOccupancy
OccupancyQuadTree   Terrain::physicalTextureTileOccupancy
TextureTileCache   Terrain::physicalTextureTileCache
Util::FixedArray< uint >   Terrain::indirectionMipOffsets
Util::FixedArray< uint >   Terrain::indirectionMipSizes
Util::Array< CoreGraphics::TextureCopy >   Terrain::indirectionTextureCopies
Util::Array< IndirectionEntry >   Terrain::indirectionEntryUpdates
Util::FixedArray< IndirectionEntry >   Terrain::indirectionBuffer
CoreGraphics::BufferSet   Terrain::indirectionUploadBuffers
Util::FixedArray< uint >   Terrain::indirectionUploadOffsets
CoreGraphics::PassId   Terrain::tileUpdatePass
CoreGraphics::PassId   Terrain::tileFallbackPass
Util::Array< Terrain::TerrainTileUpdateUniforms >   Terrain::pageUniforms
Util::Array< Math::uint2 >   Terrain::tileOffsets
Util::Array< PhysicalTileUpdate >   Terrain::pageUpdatesThisFrame
Util::Array< CoreGraphics::BufferCopy >   Terrain::indirectionBufferUpdatesThisFrame
Util::Array< CoreGraphics::TextureCopy >   Terrain::indirectionTextureUpdatesThisFrame
Util::Array< CoreGraphics::TextureCopy >   Terrain::indirectionTextureFromCopiesThisFrame
Util::Array< CoreGraphics::TextureCopy >   Terrain::indirectionTextureToCopiesThisFrame
Util::Array< CoreGraphics::BufferCopy >   Terrain::indirectionBufferClearsThisFrame
Util::Array< CoreGraphics::TextureCopy >   Terrain::indirectionTextureClearsThisFrame
uint   Terrain::numPixels
}	terrainVirtualTileState
struct {
CoreGraphics::ShaderProgramId   Terrain::meshProgram
CoreGraphics::VertexAlloc   Terrain::vertexBuffer
CoreGraphics::VertexAlloc   Terrain::indexBuffer
CoreGraphics::ResourceTableId   Terrain::meshGenTable
CoreGraphics::BufferId   Terrain::patchBuffer
CoreGraphics::BufferId   Terrain::constantsBuffer
SizeT   Terrain::numTris
SizeT   Terrain::numPatches
bool   Terrain::updateMesh = false
std::function< void()>   Terrain::terrainSetupCallback
IndexT   Terrain::setupBlasFrame
}	raytracingState
static const TileCacheEntry	InvalidTileCacheEntry = TileCacheEntry{ 0x3FF, 0x7FF, 0x7FF, 0xFFFFFFFF }

Enumeration Type Documentation

BiomeLoadBits

enum Terrain::BiomeLoadBits

Enumerator
AlbedoLoaded
NormalLoaded
MaterialLoaded
MaskLoaded
WeightsLoaded

SubTextureUpdateState

enum class Terrain::SubTextureUpdateState : uint8

strong

Enumerator
NoChange
Deleted
Created
Grew
Shrank

Function Documentation

__ImplementContext()

Terrain::__ImplementContext	(	TerrainContext	,
		TerrainContext::terrainAllocator	)

IndirectionClear()

void Terrain::IndirectionClear	(	uint	mips,
		uint	tiles,
		const Math::uint2 &	coord )

Clear old region.

IndirectionErase()

void Terrain::IndirectionErase	(	uint	mip,
		uint	indirectionOffsetX,
		uint	indirectionOffsetY,
		uint	subTextureTileX,
		uint	subTextureTileY )

IndirectionMoveGrow()

void Terrain::IndirectionMoveGrow	(	uint	oldMaxMip,
		uint	oldTiles,
		const Math::uint2 &	oldCoord,
		uint	newMaxMip,
		uint	newTiles,
		const Math::uint2 &	newCoord )

Copies mip chain from old region to new region which is bigger by mapping mips 0..X to 1..X in the new region.

IndirectionMoveShrink()

void Terrain::IndirectionMoveShrink	(	uint	oldMaxMip,
		uint	oldTiles,
		const Math::uint2 &	oldCoord,
		uint	newMaxMip,
		uint	newTiles,
		const Math::uint2 &	newCoord )

Copies mip chain from old region to new region which is smaller, mapping mips 0..X to 0..X-1 in the new region.

IndirectionUpdate()

void Terrain::IndirectionUpdate	(	uint	mip,
		uint	physicalOffsetX,
		uint	physicalOffsetY,
		uint	indirectionOffsetX,
		uint	indirectionOffsetY,
		uint	subTextureTileX,
		uint	subTextureTileY )

PackSubTexture()

void Terrain::PackSubTexture	(	const SubTexture &	subTex,
		TerrainSubTexture &	compressed )

TerrainCullJob()

void Terrain::TerrainCullJob

(

const Jobs::JobFuncContext &

ctx

)

UnpackPageDataEntry()

void Terrain::UnpackPageDataEntry	(	uint *	packed,
		uint &	status,
		uint &	subTextureIndex,
		uint &	mip,
		uint &	maxMip,
		uint &	subTextureTileX,
		uint &	subTextureTileY )

Unpack from packed ushort vectors to full size.

Upload()

template<typename T >

uint Terrain::Upload	(	T *	data,
		uint	size,
		uint	alignment )

Variable Documentation

biomeBuffer

CoreGraphics::BufferId Terrain::biomeBuffer

biomeCounter

IndexT Terrain::biomeCounter

biomeLoaded

Threading::AtomicCounter Terrain::biomeLoaded[Terrain::MAX_BIOMES]

biomeLowresGenerated

uint Terrain::biomeLowresGenerated[Terrain::MAX_BIOMES]

biomeMasks

CoreGraphics::TextureId Terrain::biomeMasks[Terrain::MAX_BIOMES]

biomeMaterials

Terrain::MaterialLayers Terrain::biomeMaterials

biomeTextures

Util::Array<CoreGraphics::TextureId> Terrain::biomeTextures

biomeWeights

CoreGraphics::TextureId Terrain::biomeWeights[Terrain::MAX_BIOMES]

cachedSunDirection

Math::vec4 Terrain::cachedSunDirection

colorIndex

uint Terrain::colorIndex = 0

static

constantsBuffer

CoreGraphics::BufferId Terrain::constantsBuffer

debugRender

bool Terrain::debugRender

frameOpAllocator

Memory::ArenaAllocator<sizeof(Frame::FrameCode) * 4> Terrain::frameOpAllocator

gpuSubTextures

Util::FixedArray<TerrainSubTexture> Terrain::gpuSubTextures

indexBuffer

CoreGraphics::VertexAlloc Terrain::indexBuffer

indirectionBuffer

Util::FixedArray<IndirectionEntry> Terrain::indirectionBuffer

indirectionBufferClearsThisFrame

Util::Array<CoreGraphics::BufferCopy> Terrain::indirectionBufferClearsThisFrame

indirectionBufferUpdatesThisFrame

Util::Array<CoreGraphics::BufferCopy> Terrain::indirectionBufferUpdatesThisFrame

indirectionEntryUpdates

Util::Array<IndirectionEntry> Terrain::indirectionEntryUpdates

indirectionMipOffsets

Util::FixedArray<uint> Terrain::indirectionMipOffsets

indirectionMipSizes

Util::FixedArray<uint> Terrain::indirectionMipSizes

IndirectionNumMips

const uint Terrain::IndirectionNumMips = Math::log2(SubTextureMaxTiles) + 1

indirectionOccupancy

OccupancyQuadTree Terrain::indirectionOccupancy

indirectionTexture

CoreGraphics::TextureId Terrain::indirectionTexture

indirectionTextureClearsThisFrame

Util::Array<CoreGraphics::TextureCopy> Terrain::indirectionTextureClearsThisFrame

indirectionTextureCopies

Util::Array<CoreGraphics::TextureCopy> Terrain::indirectionTextureCopies

indirectionTextureCopy

CoreGraphics::TextureId Terrain::indirectionTextureCopy

indirectionTextureFromCopiesThisFrame

Util::Array<CoreGraphics::TextureCopy> Terrain::indirectionTextureFromCopiesThisFrame

IndirectionTextureSize

const uint Terrain::IndirectionTextureSize = 2048

indirectionTextureToCopiesThisFrame

Util::Array<CoreGraphics::TextureCopy> Terrain::indirectionTextureToCopiesThisFrame

indirectionTextureUpdatesThisFrame

Util::Array<CoreGraphics::TextureCopy> Terrain::indirectionTextureUpdatesThisFrame

indirectionUploadBuffers

CoreGraphics::BufferSet Terrain::indirectionUploadBuffers

indirectionUploadOffsets

Util::FixedArray<uint> Terrain::indirectionUploadOffsets

InvalidTileCacheEntry

const TileCacheEntry Terrain::InvalidTileCacheEntry = TileCacheEntry{ 0x3FF, 0x7FF, 0x7FF, 0xFFFFFFFF }

static

layers

SizeT Terrain::layers

lowresAlbedo

CoreGraphics::TextureId Terrain::lowresAlbedo

LowresFallbackMips

const uint Terrain::LowresFallbackMips = Math::log2(LowresFallbackSize) + 1

LowresFallbackSize

const uint Terrain::LowresFallbackSize = 4096

lowresMaterial

CoreGraphics::TextureId Terrain::lowresMaterial

lowresNormal

CoreGraphics::TextureId Terrain::lowresNormal

meshGenTable

CoreGraphics::ResourceTableId Terrain::meshGenTable

meshProgram

CoreGraphics::ShaderProgramId Terrain::meshProgram

mipLoadDistance

float Terrain::mipLoadDistance = 1500.0f

mipRenderPadding

float Terrain::mipRenderPadding = 150.0f

numPageBufferUpdateEntries

SizeT Terrain::numPageBufferUpdateEntries

numPatches

SizeT Terrain::numPatches

numPatchesThisFrame

Threading::AtomicCounter Terrain::numPatchesThisFrame

numPixels

uint Terrain::numPixels

numTris

SizeT Terrain::numTris

pageStatusBuffer

CoreGraphics::BufferId Terrain::pageStatusBuffer

pageUniforms

Util::Array<Terrain::TerrainTileUpdateUniforms> Terrain::pageUniforms

pageUpdateListBuffer

CoreGraphics::BufferId Terrain::pageUpdateListBuffer

pageUpdateReadbackBuffers

CoreGraphics::BufferSet Terrain::pageUpdateReadbackBuffers

pageUpdatesThisFrame

Util::Array<PhysicalTileUpdate> Terrain::pageUpdatesThisFrame

patchBuffer

CoreGraphics::BufferId Terrain::patchBuffer

patchConstants

CoreGraphics::BufferSet Terrain::patchConstants

physicalAlbedoCache

CoreGraphics::TextureId Terrain::physicalAlbedoCache

physicalMaterialCache

CoreGraphics::TextureId Terrain::physicalMaterialCache

physicalNormalCache

CoreGraphics::TextureId Terrain::physicalNormalCache

PhysicalTextureNumTiles

const uint Terrain::PhysicalTextureNumTiles = 32

PhysicalTexturePaddedSize

const uint Terrain::PhysicalTexturePaddedSize = (PhysicalTextureTilePaddedSize) * PhysicalTextureNumTiles

PhysicalTextureSize

const uint Terrain::PhysicalTextureSize = (PhysicalTextureTileSize) * PhysicalTextureNumTiles

physicalTextureTileCache

TextureTileCache Terrain::physicalTextureTileCache

PhysicalTextureTileHalfPadding

const uint Terrain::PhysicalTextureTileHalfPadding = 4

physicalTextureTileOccupancy

OccupancyQuadTree Terrain::physicalTextureTileOccupancy

PhysicalTextureTilePaddedSize

const uint Terrain::PhysicalTextureTilePaddedSize = PhysicalTextureTileSize + PhysicalTextureTilePadding

PhysicalTextureTilePadding

const uint Terrain::PhysicalTextureTilePadding = PhysicalTextureTileHalfPadding * 2

PhysicalTextureTileSize

const uint Terrain::PhysicalTextureTileSize = 256

[struct]

struct { ... } Terrain::raytracingState

renderToggle

bool Terrain::renderToggle

resourceTable

CoreGraphics::ResourceTableId Terrain::resourceTable

runtimeConstants

CoreGraphics::BufferId Terrain::runtimeConstants

sectionCullDoneCounter

Threading::AtomicCounter Terrain::sectionCullDoneCounter = 0

sectionCullFinishedEvent

Threading::Event Terrain::sectionCullFinishedEvent

settings

TerrainSetupSettings Terrain::settings

setupBlasFrame

IndexT Terrain::setupBlasFrame

subTextureBuffer

CoreGraphics::BufferId Terrain::subTextureBuffer

SubTextureFadeStart

const float Terrain::SubTextureFadeStart = 200.0f

subTextureJobOutputs

Terrain::SubTextureUpdateJobOutput Terrain::subTextureJobOutputs[SubTextureMaxUpdates]

SubTextureMaxPixels

const uint Terrain::SubTextureMaxPixels = 65536

SubTextureMaxTiles

const uint Terrain::SubTextureMaxTiles = 256

SubTextureMaxUpdates

const uint Terrain::SubTextureMaxUpdates = 1024

subTextureNumOutputs

Threading::AtomicCounter Terrain::subTextureNumOutputs

SubTextureRange

const float Terrain::SubTextureRange = 300.0f

subTextures

Util::FixedArray<SubTexture> Terrain::subTextures

subtexturesDoneCounter

Threading::AtomicCounter Terrain::subtexturesDoneCounter = 0

subtexturesFinishedEvent

Threading::Event Terrain::subtexturesFinishedEvent

subtextureStagingBuffers

CoreGraphics::BufferSet Terrain::subtextureStagingBuffers

SubTextureSwapDistance

const float Terrain::SubTextureSwapDistance = 10.0f

SubTextureWorldSize

const uint Terrain::SubTextureWorldSize = 64

sun

Graphics::GraphicsEntityId Terrain::sun

systemConstants

CoreGraphics::BufferId Terrain::systemConstants

terrainPageClearUpdateBufferProgram

CoreGraphics::ShaderProgramId Terrain::terrainPageClearUpdateBufferProgram

terrainPosBuffer

CoreGraphics::TextureId Terrain::terrainPosBuffer

terrainPrepassPipeline

CoreGraphics::PipelineId Terrain::terrainPrepassPipeline

terrainPrepassProgram

CoreGraphics::ShaderProgramId Terrain::terrainPrepassProgram

terrainResolvePipeline

CoreGraphics::PipelineId Terrain::terrainResolvePipeline

terrainResolveProgram

CoreGraphics::ShaderProgramId Terrain::terrainResolveProgram

terrainSetupCallback

std::function<void()> Terrain::terrainSetupCallback

terrainShader

CoreGraphics::ShaderId Terrain::terrainShader

terrainShadowMap

CoreGraphics::TextureId Terrain::terrainShadowMap

TerrainShadowMapSize

const uint Terrain::TerrainShadowMapSize = 1024

terrainShadowProgram

CoreGraphics::ShaderProgramId Terrain::terrainShadowProgram

terrainShadowResourceTable

CoreGraphics::ResourceTableId Terrain::terrainShadowResourceTable

[struct]

struct { ... } Terrain::terrainState

terrainTileFallbackProgram

CoreGraphics::ShaderProgramId Terrain::terrainTileFallbackProgram

terrainTileUpdateProgram

CoreGraphics::ShaderProgramId Terrain::terrainTileUpdateProgram

[struct]

struct { ... } Terrain::terrainVirtualTileState

tileFallbackPass

CoreGraphics::PassId Terrain::tileFallbackPass

tileOffsets

Util::Array<Math::uint2> Terrain::tileOffsets

tileUpdatePass

CoreGraphics::PassId Terrain::tileUpdatePass

updateLowres

bool Terrain::updateLowres = false

updateMesh

bool Terrain::updateMesh = false

updateShadowMap

bool Terrain::updateShadowMap

vertexBuffer

CoreGraphics::VertexAlloc Terrain::vertexBuffer

virtualSubtextureBufferUpdate

bool Terrain::virtualSubtextureBufferUpdate

virtualTerrainDynamicResourceTable

Util::FixedArray<CoreGraphics::ResourceTableId> Terrain::virtualTerrainDynamicResourceTable

virtualTerrainRuntimeResourceTable

CoreGraphics::ResourceTableId Terrain::virtualTerrainRuntimeResourceTable

virtualTerrainSystemResourceTable

CoreGraphics::ResourceTableSet Terrain::virtualTerrainSystemResourceTable

vlo

CoreGraphics::VertexLayoutId Terrain::vlo

wnd

CoreGraphics::WindowId Terrain::wnd