donner::gpu::shader::programs::LightingParams Struct Reference

Host-shareable layout of the lighting parameter storage buffer. More...

#include "donner/gpu/shader/programs/LightingBindings.h"

Public Attributes
float	surfaceScale = 0.0f
	Height represented by alpha one.
float	lightingConstant = 0.0f
	Diffuse or specular scale factor.
float	specularExponent = 0.0f
	Phong exponent; unused by diffuse lighting.
float	pad0 = 0.0f
	Keeps the leading group 16 bytes wide.
float	lightR = 0.0f
	Straight red light component.
float	lightG = 0.0f
	Straight green light component.
float	lightB = 0.0f
	Straight blue light component.
uint32_t	lightType = 0
	Zero distant, one point, two spot.
float	azimuthRad = 0.0f
	Distant-light azimuth in radians.
float	elevationRad = 0.0f
	Distant-light elevation in radians.
float	lightX = 0.0f
	Device-space light x.
float	lightY = 0.0f
	Device-space light y.
float	lightZ = 0.0f
	Device-space light z.
float	userLightX = 0.0f
	User-space light x.
float	userLightY = 0.0f
	User-space light y.
float	userLightZ = 0.0f
	User-space light z.
float	pointsAtX = 0.0f
	Device-space spotlight target x.
float	pointsAtY = 0.0f
	Device-space spotlight target y.
float	pointsAtZ = 0.0f
	Device-space spotlight target z.
float	spotExponent = 0.0f
	Spotlight falloff exponent.
float	userPointsAtX = 0.0f
	User-space spotlight target x.
float	userPointsAtY = 0.0f
	User-space spotlight target y.
float	userPointsAtZ = 0.0f
	User-space spotlight target z.
float	coneAngleRad = 0.0f
	Limiting cone angle in radians.
float	pixelToUser0 = 0.0f
	Pixel-x coefficient of user x.
float	pixelToUser1 = 0.0f
	Pixel-y coefficient of user x.
float	pixelToUser2 = 0.0f
	Constant term of user x.
float	pixelToUser3 = 0.0f
	Pixel-x coefficient of user y.
float	pixelToUser4 = 0.0f
	Pixel-y coefficient of user y.
float	pixelToUser5 = 0.0f
	Constant term of user y.
uint32_t	hasShear = 0
	Nonzero selects the user-space spotlight calculation.
uint32_t	hasConeAngle = 0
	Nonzero enables limiting-cone attenuation.
int32_t	sampleMinX = 0
	Inclusive sample subregion minimum x.
int32_t	sampleMinY = 0
	Inclusive sample subregion minimum y.
int32_t	sampleMaxX = 0
	Inclusive sample subregion maximum x.
int32_t	sampleMaxY = 0
	Inclusive sample subregion maximum y.

Detailed Description

Host-shareable layout of the lighting parameter storage buffer.

Member Data Documentation

azimuthRad

float donner::gpu::shader::programs::LightingParams::azimuthRad = 0.0f

Distant-light azimuth in radians.

coneAngleRad

float donner::gpu::shader::programs::LightingParams::coneAngleRad = 0.0f

Limiting cone angle in radians.

elevationRad

float donner::gpu::shader::programs::LightingParams::elevationRad = 0.0f

Distant-light elevation in radians.

hasConeAngle

uint32_t donner::gpu::shader::programs::LightingParams::hasConeAngle = 0

Nonzero enables limiting-cone attenuation.

hasShear

uint32_t donner::gpu::shader::programs::LightingParams::hasShear = 0

Nonzero selects the user-space spotlight calculation.

lightB

float donner::gpu::shader::programs::LightingParams::lightB = 0.0f

Straight blue light component.

lightG

float donner::gpu::shader::programs::LightingParams::lightG = 0.0f

Straight green light component.

lightingConstant

float donner::gpu::shader::programs::LightingParams::lightingConstant = 0.0f

Diffuse or specular scale factor.

lightR

float donner::gpu::shader::programs::LightingParams::lightR = 0.0f

Straight red light component.

lightType

uint32_t donner::gpu::shader::programs::LightingParams::lightType = 0

Zero distant, one point, two spot.

lightX

float donner::gpu::shader::programs::LightingParams::lightX = 0.0f

Device-space light x.

lightY

float donner::gpu::shader::programs::LightingParams::lightY = 0.0f

Device-space light y.

lightZ

float donner::gpu::shader::programs::LightingParams::lightZ = 0.0f

Device-space light z.

pad0

float donner::gpu::shader::programs::LightingParams::pad0 = 0.0f

Keeps the leading group 16 bytes wide.

pixelToUser0

float donner::gpu::shader::programs::LightingParams::pixelToUser0 = 0.0f

Pixel-x coefficient of user x.

pixelToUser1

float donner::gpu::shader::programs::LightingParams::pixelToUser1 = 0.0f

Pixel-y coefficient of user x.

pixelToUser2

float donner::gpu::shader::programs::LightingParams::pixelToUser2 = 0.0f

Constant term of user x.

pixelToUser3

float donner::gpu::shader::programs::LightingParams::pixelToUser3 = 0.0f

Pixel-x coefficient of user y.

pixelToUser4

float donner::gpu::shader::programs::LightingParams::pixelToUser4 = 0.0f

Pixel-y coefficient of user y.

pixelToUser5

float donner::gpu::shader::programs::LightingParams::pixelToUser5 = 0.0f

Constant term of user y.

pointsAtX

float donner::gpu::shader::programs::LightingParams::pointsAtX = 0.0f

Device-space spotlight target x.

pointsAtY

float donner::gpu::shader::programs::LightingParams::pointsAtY = 0.0f

Device-space spotlight target y.

pointsAtZ

float donner::gpu::shader::programs::LightingParams::pointsAtZ = 0.0f

Device-space spotlight target z.

sampleMaxX

int32_t donner::gpu::shader::programs::LightingParams::sampleMaxX = 0

Inclusive sample subregion maximum x.

sampleMaxY

int32_t donner::gpu::shader::programs::LightingParams::sampleMaxY = 0

Inclusive sample subregion maximum y.

sampleMinX

int32_t donner::gpu::shader::programs::LightingParams::sampleMinX = 0

Inclusive sample subregion minimum x.

sampleMinY

int32_t donner::gpu::shader::programs::LightingParams::sampleMinY = 0

Inclusive sample subregion minimum y.

specularExponent

float donner::gpu::shader::programs::LightingParams::specularExponent = 0.0f

Phong exponent; unused by diffuse lighting.

spotExponent

float donner::gpu::shader::programs::LightingParams::spotExponent = 0.0f

Spotlight falloff exponent.

surfaceScale

float donner::gpu::shader::programs::LightingParams::surfaceScale = 0.0f

Height represented by alpha one.

userLightX

float donner::gpu::shader::programs::LightingParams::userLightX = 0.0f

User-space light x.

userLightY

float donner::gpu::shader::programs::LightingParams::userLightY = 0.0f

User-space light y.

userLightZ

float donner::gpu::shader::programs::LightingParams::userLightZ = 0.0f

User-space light z.

userPointsAtX

float donner::gpu::shader::programs::LightingParams::userPointsAtX = 0.0f

User-space spotlight target x.

userPointsAtY

float donner::gpu::shader::programs::LightingParams::userPointsAtY = 0.0f

User-space spotlight target y.

userPointsAtZ

float donner::gpu::shader::programs::LightingParams::userPointsAtZ = 0.0f

User-space spotlight target z.

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The documentation for this struct was generated from the following file:

• donner/gpu/shader/programs/LightingBindings.h