Raytracing Namespace Reference

Detailed Description

Context dealing with scene management for ray tracing.

Copyright

(C) 2023 Individual contributors, see AUTHORS file

Classes
class	RaytracingContext
struct	RaytracingSetupSettings

Enumerations
enum	ObjectType {   BRDFObject , BSDFObject , GLTFObject , TerrainObject ,   ParticleObject , NumObjectTypes }
enum	UpdateType { Dynamic , Static }

Functions
	__ImplementContext (RaytracingContext, raytracingContextAllocator)

Variables
static const uint	NUM_GRID_CELLS = 64
struct {
Threading::CriticalSection   Raytracing::blasLock
Util::Array< CoreGraphics::BlasInstanceId >   Raytracing::blasInstances
Util::Array< CoreGraphics::MeshId >   Raytracing::blasInstanceMeshes
Util::Array< CoreGraphics::BlasId >   Raytracing::blasesToRebuild
Util::Array< CoreGraphics::BlasId >   Raytracing::blases
Util::FixedArray< CoreGraphics::TlasId >   Raytracing::toplevelAccelerationStructures
Memory::RangeAllocator   Raytracing::blasInstanceAllocator
bool   Raytracing::topLevelNeedsReconstruction
bool   Raytracing::topLevelNeedsBuild
bool   Raytracing::topLevelNeedsUpdate
Util::HashTable< CoreGraphics::MeshId, Util::Tuple< uint, Util::Array< CoreGraphics::BlasId > > >   Raytracing::blasLookup
CoreGraphics::BufferWithStaging   Raytracing::blasInstanceBuffer
CoreGraphics::ResourceTableSet   Raytracing::raytracingTables
CoreGraphics::ResourceTableId   Raytracing::raytracingTestOutputTable
CoreGraphics::BufferWithStaging   Raytracing::objectBindingBuffer
Util::Array< Raytracetest::TlasInstance >   Raytracing::objects
CoreGraphics::BufferId   Raytracing::gridBuffer
CoreGraphics::BufferId   Raytracing::lightGridConstants
CoreGraphics::ShaderId   Raytracing::lightGridShader
CoreGraphics::ResourceTableSet   Raytracing::lightGridResourceTables
CoreGraphics::ShaderProgramId   Raytracing::lightGridGenProgram
CoreGraphics::ShaderProgramId   Raytracing::lightGridCullProgram
CoreGraphics::BufferId   Raytracing::lightGridIndexLists
CoreGraphics::PipelineRayTracingTable   Raytracing::raytracingBundle
CoreGraphics::ShaderProgramId   Raytracing::hitPrograms [NumObjectTypes]
CoreGraphics::MeshId   Raytracing::placeholderMesh
Materials::MaterialId   Raytracing::placeholderMaterial
Threading::Event   Raytracing::jobWaitEvent
SizeT   Raytracing::maxAllowedInstances = 0
SizeT   Raytracing::numRegisteredInstances = 0
SizeT   Raytracing::pendingBlasSetups = 0
SizeT   Raytracing::numInstancesToFlush
uint   Raytracing::lastBuildInstanceCount = 0
uint   Raytracing::lastBuildBlasCount = 0
}	state
static uint	MaterialPropertyMappings [(uint) MaterialTemplatesGPULang::MaterialProperties::Num]
static Core::CVar *	r_RaytracingDispatch = Core::CVarCreate(Core::CVar_Int, "r_RaytracingDispatch", "2", "Ray dispatch: 0=build only, 1=1x1 capture stub, 2=full test (640x480)")
static Core::CVar *	r_RaytracingDDGI = Core::CVarCreate(Core::CVar_Int, "r_RaytracingDDGI", "1", "DDGI probe rays [0,1]. Independent of r_RaytracingDispatch.")
static Core::CVar *	r_RaytracingValidate = Core::CVarCreate(Core::CVar_Int, "r_RaytracingValidate", "1", "Assert TLAS instance records on the CPU before the GPU build [0,1]")
static Core::CVar *	r_RaytracingDebug = Core::CVarCreate(Core::CVar_Int, "r_RaytracingDebug", "0", "Show raytracing instance inspector [0,1]")
static constexpr const char *	HitShaderPaths [NumObjectTypes]

Enumeration Type Documentation

ObjectType

enum Raytracing::ObjectType

Enumerator
BRDFObject
BSDFObject
GLTFObject
TerrainObject
ParticleObject
NumObjectTypes

UpdateType

enum Raytracing::UpdateType

Enumerator
Dynamic
Static

Function Documentation

__ImplementContext()

Raytracing::__ImplementContext	(	RaytracingContext	,
		raytracingContextAllocator	)

Variable Documentation

blases

Util::Array<CoreGraphics::BlasId> Raytracing::blases

blasesToRebuild

Util::Array<CoreGraphics::BlasId> Raytracing::blasesToRebuild

blasInstanceAllocator

Memory::RangeAllocator Raytracing::blasInstanceAllocator

blasInstanceBuffer

CoreGraphics::BufferWithStaging Raytracing::blasInstanceBuffer

blasInstanceMeshes

Util::Array<CoreGraphics::MeshId> Raytracing::blasInstanceMeshes

blasInstances

Util::Array<CoreGraphics::BlasInstanceId> Raytracing::blasInstances

blasLock

Threading::CriticalSection Raytracing::blasLock

blasLookup

Util::HashTable<CoreGraphics::MeshId, Util::Tuple<uint, Util::Array<CoreGraphics::BlasId> > > Raytracing::blasLookup

gridBuffer

CoreGraphics::BufferId Raytracing::gridBuffer

hitPrograms

CoreGraphics::ShaderProgramId Raytracing::hitPrograms[NumObjectTypes]

HitShaderPaths

const char* Raytracing::HitShaderPaths[NumObjectTypes]

staticconstexpr

Initial value:

                                           =
{
    "shd:raytracing/shaders/brdfhit.gplb",
    "shd:raytracing/shaders/bsdfhit.gplb",
    "shd:raytracing/shaders/gltfhit.gplb",
    "shd:raytracing/shaders/terrainhit.gplb",
    "shd:raytracing/shaders/particlehit.gplb"
}

jobWaitEvent

Threading::Event Raytracing::jobWaitEvent

lastBuildBlasCount

uint Raytracing::lastBuildBlasCount = 0

lastBuildInstanceCount

uint Raytracing::lastBuildInstanceCount = 0

lightGridConstants

CoreGraphics::BufferId Raytracing::lightGridConstants

lightGridCullProgram

CoreGraphics::ShaderProgramId Raytracing::lightGridCullProgram

lightGridGenProgram

CoreGraphics::ShaderProgramId Raytracing::lightGridGenProgram

lightGridIndexLists

CoreGraphics::BufferId Raytracing::lightGridIndexLists

lightGridResourceTables

CoreGraphics::ResourceTableSet Raytracing::lightGridResourceTables

lightGridShader

CoreGraphics::ShaderId Raytracing::lightGridShader

MaterialPropertyMappings

uint Raytracing::MaterialPropertyMappings[(uint) MaterialTemplatesGPULang::MaterialProperties::Num]

static

maxAllowedInstances

SizeT Raytracing::maxAllowedInstances = 0

NUM_GRID_CELLS

const uint Raytracing::NUM_GRID_CELLS = 64

static

numInstancesToFlush

SizeT Raytracing::numInstancesToFlush

numRegisteredInstances

SizeT Raytracing::numRegisteredInstances = 0

objectBindingBuffer

CoreGraphics::BufferWithStaging Raytracing::objectBindingBuffer

objects

Util::Array<Raytracetest::TlasInstance> Raytracing::objects

pendingBlasSetups

SizeT Raytracing::pendingBlasSetups = 0

placeholderMaterial

Materials::MaterialId Raytracing::placeholderMaterial

placeholderMesh

CoreGraphics::MeshId Raytracing::placeholderMesh

r_RaytracingDDGI

Core::CVar* Raytracing::r_RaytracingDDGI = Core::CVarCreate(Core::CVar_Int, "r_RaytracingDDGI", "1", "DDGI probe rays [0,1]. Independent of r_RaytracingDispatch.")

static

r_RaytracingDebug

Core::CVar* Raytracing::r_RaytracingDebug = Core::CVarCreate(Core::CVar_Int, "r_RaytracingDebug", "0", "Show raytracing instance inspector [0,1]")

static

r_RaytracingDispatch

Core::CVar* Raytracing::r_RaytracingDispatch = Core::CVarCreate(Core::CVar_Int, "r_RaytracingDispatch", "2", "Ray dispatch: 0=build only, 1=1x1 capture stub, 2=full test (640x480)")

static

r_RaytracingValidate

Core::CVar* Raytracing::r_RaytracingValidate = Core::CVarCreate(Core::CVar_Int, "r_RaytracingValidate", "1", "Assert TLAS instance records on the CPU before the GPU build [0,1]")

static

raytracingBundle

CoreGraphics::PipelineRayTracingTable Raytracing::raytracingBundle

raytracingTables

CoreGraphics::ResourceTableSet Raytracing::raytracingTables

raytracingTestOutputTable

CoreGraphics::ResourceTableId Raytracing::raytracingTestOutputTable

[struct]

struct { ... } Raytracing::state

toplevelAccelerationStructures

Util::FixedArray<CoreGraphics::TlasId> Raytracing::toplevelAccelerationStructures

topLevelNeedsBuild

bool Raytracing::topLevelNeedsBuild

topLevelNeedsReconstruction

bool Raytracing::topLevelNeedsReconstruction

topLevelNeedsUpdate

bool Raytracing::topLevelNeedsUpdate