eve::graphics::fog::BeerLightCache类 参考

Cached light-path transmittance used by Fast / Enhanced quality tiers. 更多...

#include <BeerLightCache.h>

类
struct	LightKey
	LightKey public API. 更多...

Public 成员函数
std::uint64_t	version () const noexcept
bool	valid () const noexcept
const LightKey &	key () const noexcept
Result< void >	rebuild (const FogDensityField &field, const FogProfile &profile, const glm::vec3 &lightDir, const glm::vec3 &lightColor, float intensity, int samplesPerCell=6)
	Rebuild transmittance along the primary light for each density cell.
void	invalidate ()
	Mark cache stale (quality change, light cut, etc.).
float	sampleTransmittance (const FogDensityField &field, const glm::vec3 &world) const noexcept
	Sample cached transmittance at a world position (1 = fully lit).
bool	matches (std::uint64_t densityRevision, const glm::vec3 &lightDir, float intensity) const noexcept
	True when the cache matches the supplied state.

详细描述

Cached light-path transmittance used by Fast / Enhanced quality tiers.

Invalidates when density revision, light state, or view/light direction change.

在文件 BeerLightCache.h 第 20 行定义.

成员函数说明

invalidate()

void eve::graphics::fog::BeerLightCache::invalidate

(

)

Mark cache stale (quality change, light cut, etc.).

在文件 BeerLightCache.cpp 第 13 行定义.

引用了 eve::graphics::fog::BeerLightCache::LightKey::version.

被这些函数引用 eve::graphics::fog::FogSystem::configureDomain(), eve::graphics::fog::FogSystem::ensureBeerCache(), eve::graphics::fog::FogSystem::seedHeightFog(), eve::graphics::fog::FogSystem::setQuality() , 以及 eve::graphics::fog::FogSystem::stepSimulation().

key()

const LightKey & eve::graphics::fog::BeerLightCache::key ( ) const

inlinenoexcept

在文件 BeerLightCache.h 第 33 行定义.

matches()

bool eve::graphics::fog::BeerLightCache::matches ( std::uint64_t  densityRevision, const glm::vec3 &  lightDir, float  intensity  ) const

noexcept

True when the cache matches the supplied state.

在文件 BeerLightCache.cpp 第 18 行定义.

引用了 d , 以及 lightDir.

被这些函数引用 eve::graphics::fog::FogSystem::ensureBeerCache().

rebuild()

Result< void > eve::graphics::fog::BeerLightCache::rebuild	(	const FogDensityField &	field,
		const FogProfile &	profile,
		const glm::vec3 &	lightDir,
		const glm::vec3 &	lightColor,
		float	intensity,
		int	samplesPerCell = 6
	)

Rebuild transmittance along the primary light for each density cell.

返回

Ok after a successful rebuild, or Rejected on invalid inputs.

在文件 BeerLightCache.cpp 第 27 行定义.

引用了 bounds, cell, eve::graphics::fog::BeerLightCache::LightKey::color, eve::graphics::fog::BeerLightCache::LightKey::densityRevision, dir, eve::graphics::fog::BeerLightCache::LightKey::direction, eve::Diagnostic::error(), eve::graphics::fog::FogProfile::extinctionAt(), eve::Failed, eve::Result< T >::failure(), idx, eve::graphics::fog::BeerLightCache::LightKey::intensity, eve::InvalidArgument, lightColor, lightDir, p, s, eve::Result< T >::success(), eve::graphics::fog::BeerLightCache::LightKey::version, x, y , 以及 z.

被这些函数引用 eve::graphics::fog::FogSystem::ensureBeerCache().

sampleTransmittance()

float eve::graphics::fog::BeerLightCache::sampleTransmittance ( const FogDensityField &  field, const glm::vec3 &  world  ) const

noexcept

Sample cached transmittance at a world position (1 = fully lit).

在文件 BeerLightCache.cpp 第 85 行定义.

引用了 bounds, cell, idx, local, world, x, y , 以及 z.

被这些函数引用 eve::graphics::fog::FogFroxelBridge::integrate() , 以及 eve::graphics::fog::FogRayMarch::integrate().

valid()

bool eve::graphics::fog::BeerLightCache::valid ( ) const

inlinenoexcept

在文件 BeerLightCache.h 第 32 行定义.

被这些函数引用 eve::graphics::fog::FogFroxelBridge::integrate(), eve::graphics::fog::FogRayMarch::integrate(), eve::graphics::fog::FogSystem::marchRay(), eve::graphics::fog::FogSystem::renderToFroxel() , 以及 eve::graphics::fog::FogSystem::syncToVolumetric().

version()

std::uint64_t eve::graphics::fog::BeerLightCache::version ( ) const

inlinenoexcept

在文件 BeerLightCache.h 第 31 行定义.

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该类的文档由以下文件生成:

• src/modules/graphics/fog/BeerLightCache.h
• src/modules/graphics/fog/BeerLightCache.cpp