terraincontext.cc File Reference

#include "terraincontext.h"
#include "graphics/graphicsserver.h"
#include "frame/framesubgraph.h"
#include "graphics/cameracontext.h"
#include "graphics/view.h"
#include "dynui/imguicontext.h"
#include "jobs2/jobs2.h"
#include "imgui.h"
#include "renderutil/drawfullscreenquad.h"
#include "core/cvar.h"
#include "lighting/lightcontext.h"
#include "raytracing/raytracingcontext.h"
#include "occupancyquadtree.h"
#include "texturetilecache.h"
#include "resources/resourceserver.h"
#include "materials/materialloader.h"
#include "terrain/shaders/terrain.h"
#include "terrain/shaders/terrain_mesh_generate.h"
#include "terrain/shaders/terrain_tile_write.h"
#include "frame/default.h"

Classes
struct	Terrain::PhysicalTileUpdate
struct	Terrain::SubTexture
struct	Terrain::SubTextureCompressed
struct	Terrain::TerrainVert
struct	Terrain::TerrainTri
struct	Terrain::TerrainQuad

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

Enumerations
enum	Terrain::BiomeLoadBits {   Terrain::AlbedoLoaded = 0x1 , Terrain::NormalLoaded = 0x2 , Terrain::MaterialLoaded = 0x4 , Terrain::MaskLoaded = 0x8 ,   Terrain::WeightsLoaded = 0x10 }

Functions
	N_DECLARE_COUNTER (N_TERRAIN_TOTAL_AVAILABLE_DATA, Terrain Total Data Size)
	Terrain::__ImplementContext (TerrainContext, TerrainContext::terrainAllocator)
void	Terrain::PackSubTexture (const SubTexture &subTex, TerrainSubTexture &compressed)
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.
template<typename T >
uint	Terrain::Upload (T *data, uint size, uint alignment)
void	Terrain::IndirectionUpdate (uint mip, uint physicalOffsetX, uint physicalOffsetY, uint indirectionOffsetX, uint indirectionOffsetY, uint subTextureTileX, uint subTextureTileY)
void	Terrain::IndirectionErase (uint mip, uint indirectionOffsetX, uint indirectionOffsetY, uint subTextureTileX, uint subTextureTileY)
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.
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.
void	Terrain::IndirectionClear (uint mips, uint tiles, const Math::uint2 &coord)
	Clear old region.

Variables
Threading::Event	Terrain::subtexturesFinishedEvent
Threading::Event	Terrain::sectionCullFinishedEvent
Threading::AtomicCounter	Terrain::subtexturesDoneCounter = 0
Threading::AtomicCounter	Terrain::sectionCullDoneCounter = 0
const uint	Terrain::IndirectionTextureSize = 2048
const uint	Terrain::SubTextureWorldSize = 64
const uint	Terrain::SubTextureMaxTiles = 256
const uint	Terrain::IndirectionNumMips = Math::log2(SubTextureMaxTiles) + 1
const float	Terrain::SubTextureRange = 300.0f
const float	Terrain::SubTextureSwapDistance = 10.0f
const float	Terrain::SubTextureFadeStart = 200.0f
const uint	Terrain::SubTextureMaxPixels = 65536
const uint	Terrain::SubTextureMaxUpdates = 1024
const uint	Terrain::LowresFallbackSize = 4096
const uint	Terrain::LowresFallbackMips = Math::log2(LowresFallbackSize) + 1
const uint	Terrain::PhysicalTextureTileSize = 256
const uint	Terrain::PhysicalTextureTileHalfPadding = 4
const uint	Terrain::PhysicalTextureTilePadding = PhysicalTextureTileHalfPadding * 2
const uint	Terrain::PhysicalTextureNumTiles = 32
const uint	Terrain::PhysicalTextureTilePaddedSize = PhysicalTextureTileSize + PhysicalTextureTilePadding
const uint	Terrain::PhysicalTextureSize = (PhysicalTextureTileSize) * PhysicalTextureNumTiles
const uint	Terrain::PhysicalTexturePaddedSize = (PhysicalTextureTilePaddedSize) * PhysicalTextureNumTiles
const uint	Terrain::TerrainShadowMapSize = 2048
struct {
TerrainSetupSettings   Terrain::settings
CoreGraphics::ShaderId   Terrain::terrainShader
CoreGraphics::ShaderId   Terrain::tileShader
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][4]
uint   Terrain::biomeLowresGenerated [Terrain::MAX_BIOMES]
IndexT   Terrain::biomeCounter
Graphics::GraphicsEntityId   Terrain::sun
CoreGraphics::TextureId   Terrain::terrainShadowMap
Math::vec4   Terrain::cachedSunDirection
bool   Terrain::shadowMapInvalid
bool   Terrain::updateShadowMap
Threading::CriticalSection   Terrain::syncPoint
CoreGraphics::ResourceTableId   Terrain::terrainShadowResourceTable
CoreGraphics::TextureId   Terrain::terrainPosBuffer
float   Terrain::mipLoadDistance = 1500.0f
float   Terrain::mipRenderPadding = 150.0f
SizeT   Terrain::layers
bool   Terrain::debugRender
bool   Terrain::renderToggle
}	Terrain::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::terrainTileWriteProgram
CoreGraphics::ShaderProgramId   Terrain::terrainWriteLowresProgram
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::BufferWithStaging   Terrain::tileWriteBufferSet
CoreGraphics::TextureId   Terrain::physicalAlbedoCacheBC
CoreGraphics::TextureViewId   Terrain::physicalAlbedoCacheBCWrite
CoreGraphics::TextureId   Terrain::physicalNormalCacheBC
CoreGraphics::TextureViewId   Terrain::physicalNormalCacheBCWrite
CoreGraphics::TextureId   Terrain::physicalMaterialCacheBC
CoreGraphics::TextureViewId   Terrain::physicalMaterialCacheBCWrite
CoreGraphics::TextureId   Terrain::lowresAlbedo
CoreGraphics::TextureId   Terrain::lowresNormal
CoreGraphics::TextureId   Terrain::lowresMaterial
bool   Terrain::updateLowres = false
CoreGraphics::ResourceTableSet   Terrain::systemTable
CoreGraphics::ResourceTableId   Terrain::runtimeTable
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
Util::Array< TerrainTileWrite::TileWrite >   Terrain::tileWrites
Util::Array< TerrainTileWrite::TileWrite >   Terrain::tileWritesThisFrame
Util::Array< CoreGraphics::BufferCopy, 4 >   Terrain::indirectionBufferUpdatesThisFrame
Util::Array< CoreGraphics::TextureCopy, 4 >   Terrain::indirectionTextureUpdatesThisFrame
Util::Array< CoreGraphics::TextureCopy, 4 >   Terrain::indirectionTextureFromCopiesThisFrame
Util::Array< CoreGraphics::TextureCopy, 4 >   Terrain::indirectionTextureToCopiesThisFrame
Util::Array< CoreGraphics::BufferCopy, 4 >   Terrain::indirectionBufferClearsThisFrame
Util::Array< CoreGraphics::TextureCopy, 4 >   Terrain::indirectionTextureClearsThisFrame
uint   Terrain::numPixels
}	Terrain::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
}	Terrain::raytracingState

Function Documentation

N_DECLARE_COUNTER()

N_DECLARE_COUNTER	(	N_TERRAIN_TOTAL_AVAILABLE_DATA	,
		Terrain Total Data	Size )