BVHRenderer Class Reference

Renderer coupled with a basic diffuse path tracer. The user can move the camera anywhere and trigger a path-traced rendering. Can also display the raycaster acceleration structure. More...

#include <BVHRenderer.hpp>

Public Member Functions
	BVHRenderer ()
void	setScene (const std::shared_ptr< Scene > &scene, const Raycaster &raycaster)
void	draw (const Camera &camera, Texture *dstColor, Texture *dstDepth, uint layer=0) override
	~BVHRenderer () override
void	castRay (const glm::vec3 &position, const glm::vec3 &direction)
void	clearRay ()
bool &	showBVH ()
glm::ivec2 &	range ()
int	maxLevel ()
Public Member Functions inherited from Renderer
	Renderer (const std::string &name)
virtual void	draw (const Camera &camera, Texture *dstColor, Texture *dstDepth, uint layer=0)
virtual void	resize (uint width, uint height)
virtual void	interface ()
virtual	~Renderer ()=default
	Renderer (const Renderer &)=delete
Renderer &	operator= (const Renderer &)=delete
	Renderer (Renderer &&)=delete
Renderer &	operator= (Renderer &&)=delete
Layout	outputColorFormat () const
Layout	outputDepthFormat () const

Private Attributes
Program *	_objectProgram
	Basic object program.
Program *	_bvhProgram
	BVH visualisation program.
std::vector< Mesh >	_bvhLevels
	The BVH visualisation mesh.
std::vector< Mesh >	_rayLevels
	BVH nodes intersected with a ray.
Mesh	_rayVis = Mesh("rayVis")
	Mesh representing a ray and its intersected triangle.
std::shared_ptr< Scene >	_scene
	The scene to render.
std::unique_ptr< RaycasterVisualisation >	_visuHelper
	Helper for raycaster internal data visualisation.
glm::ivec2	_bvhRange = glm::ivec2(0, 1)
	The subset of the BVH to display.
bool	_showBVH = true
	Show the raytracer BVH.

Additional Inherited Members
Protected Attributes inherited from Renderer
std::string	_name
	Debug name.
Layout	_colorFormat = Layout::NONE
	The preferred output format for a given renderer.
Layout	_depthFormat = Layout::NONE
	The preferred output format for a given renderer.

Detailed Description

Renderer coupled with a basic diffuse path tracer. The user can move the camera anywhere and trigger a path-traced rendering. Can also display the raycaster acceleration structure.

Inherits Renderer.

Constructor & Destructor Documentation

BVHRenderer()

BVHRenderer::BVHRenderer ( )

explicit

Constructor.

~BVHRenderer()

BVHRenderer::~BVHRenderer ( )

override

Destructor.

Member Function Documentation

castRay()

void BVHRenderer::castRay	(	const glm::vec3 &	position,
		const glm::vec3 &	direction
	)

Generate visualisation for a ray cast from a position.

Parameters

position	the ray origin.
direction	the ray direction.

clearRay()

void BVHRenderer::clearRay

(

)

Delete the displayed ray.

draw()

void BVHRenderer::draw ( const Camera &  camera, Texture *  dstColor, Texture *  dstDepth, uint  layer = 0  )

overridevirtual

Draw from a given viewpoint.

Parameters

camera	the rendering viewpoint
dstColor	the destination color texture (optional, see outputColorFormat)
dstDepth	the destination depth texture (optional, see outputDepthFormat)
layer	the layer to write to in the target

Reimplemented from Renderer.

maxLevel()

int BVHRenderer::maxLevel

(

)

The maximum depth of the BVH.

Returns

the maximum level

range()

glm::ivec2 & BVHRenderer::range ( )

inline

Display a range of levels of the BVH.

Returns

the range

setScene()

void BVHRenderer::setScene	(	const std::shared_ptr< Scene > &	scene,
		const Raycaster &	raycaster
	)

Set the scene to render.

Parameters

scene	the new scene
raycaster	the associated raycaster

showBVH()

bool & BVHRenderer::showBVH ( )

inline

Show the BVH structure.

Returns

the toggle

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

• src/apps/pathtracer/BVHRenderer.hpp
• src/apps/pathtracer/BVHRenderer.cpp