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 "resources/resourceserver.h"
#include "materials/materialloader.h"
#include "gpulang/render/terrain/shaders/terrain_mesh_generate.h"
#include "frame/default.h"

Classes
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 (TerrainContext::TerrainInstanceInfo &instance, T *data, uint size, uint alignment)
void	Terrain::IndirectionUpdate (TerrainContext::TerrainInstanceInfo &instance, uint mip, uint physicalOffsetX, uint physicalOffsetY, uint indirectionOffsetX, uint indirectionOffsetY, uint subTextureTileX, uint subTextureTileY)
void	Terrain::IndirectionErase (TerrainContext::TerrainInstanceInfo &instance, uint mip, uint indirectionOffsetX, uint indirectionOffsetY, uint subTextureTileX, uint subTextureTileY)
void	Terrain::IndirectionMoveGrow (TerrainContext::TerrainInstanceInfo &instance, 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 (TerrainContext::TerrainInstanceInfo &instance, 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 (TerrainContext::TerrainInstanceInfo &instance, uint mips, uint tiles, const Math::uint2 &coord)
	Clear old region.

Variables
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::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 {
CoreGraphics::ShaderId   Terrain::terrainShader
CoreGraphics::ShaderId   Terrain::tileShader
CoreGraphics::ShaderProgramId   Terrain::terrainShadowProgram
CoreGraphics::VertexLayoutId   Terrain::vlo
CoreGraphics::BufferId   Terrain::biomeBuffer
Terrain::MaterialLayers::STRUCT   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
}	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 )