DeferredLight Class Reference

Apply a light onto the lighting buffer using a geometric proxy (cone, sphere, screenquad). By processing all lights, the final lighting is accumulated in the buffer. More...

#include <DeferredLight.hpp>

Public Member Functions
	DeferredLight (const Texture *texAlbedo, const Texture *texNormals, const Texture *texDepth, const Texture *texEffects)
void	updateCameraInfos (const glm::mat4 &viewMatrix, const glm::mat4 &projMatrix)
void	draw (const SpotLight *light) override
void	draw (const PointLight *light) override
void	draw (const DirectionalLight *light) override
virtual void	draw (const DirectionalLight *light)=0
virtual void	draw (const PointLight *light)=0
virtual void	draw (const SpotLight *light)=0

Private Attributes
std::vector< const Texture * >	_textures
	G-buffer input textures.
const Mesh *	_sphere
	Point light supporting geometry.
const Mesh *	_cone
	Spot light supporting geometry.
Program *	_dirProgram
	Directional light shader.
Program *	_pointProgram
	Point light shader.
Program *	_spotProgram
	Spot light shader.
glm::mat4	_view = glm::mat4(1.0f)
	Cached camera view matrix.
glm::mat4	_proj = glm::mat4(1.0f)
	Cached camera projection matrix.

Detailed Description

Apply a light onto the lighting buffer using a geometric proxy (cone, sphere, screenquad). By processing all lights, the final lighting is accumulated in the buffer.

See also

GPUShaders::Frag::Spot_light_pbr, GPUShaders::Frag::Point_light_pbr, GPUShaders::Frag::Directional_light_pbr

Inherits LightRenderer.

Constructor & Destructor Documentation

DeferredLight()

DeferredLight::DeferredLight ( const Texture *  texAlbedo, const Texture *  texNormals, const Texture *  texDepth, const Texture *  texEffects  )

explicit

Constructor.

Parameters

texAlbedo	the texture containing the albedo
texNormals	the texture containing the surface normals
texDepth	the texture containing the depth
texEffects	the texture containing the material properties

Member Function Documentation

draw() [1/3]

void DeferredLight::draw ( const DirectionalLight *  light )

overridevirtual

Apply a directional lighting using a supporting quad.

Parameters

light

the light to compute the contribution of

Implements LightRenderer.

draw() [2/3]

void DeferredLight::draw ( const PointLight *  light )

overridevirtual

Apply a point lighting using a supporting sphere.

Parameters

light

the light to compute the contribution of

Implements LightRenderer.

draw() [3/3]

void DeferredLight::draw ( const SpotLight *  light )

overridevirtual

Apply a spot lighting using a supporting cone.

Parameters

light

the light to compute the contribution of

Implements LightRenderer.

updateCameraInfos()

void DeferredLight::updateCameraInfos	(	const glm::mat4 &	viewMatrix,
		const glm::mat4 &	projMatrix
	)

Set the current user view and projection matrices.

Parameters

viewMatrix	the camera view matrix
projMatrix	the camera projection matrix

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The documentation for this class was generated from the following files:

• src/apps/pbrdemo/DeferredLight.hpp
• src/apps/pbrdemo/DeferredLight.cpp