Tucano::Effects::ShadowMap Class Reference

#include <shadowmap.hpp>

Inheritance diagram for Tucano::Effects::ShadowMap:

Public Member Functions
	ShadowMap (void)
	Default constructor. More...
virtual void	initialize (void)
	Initializes the ShadowMap effects,. More...
void	clearShadowBuffer (void)
Tucano::Framebuffer *	getShadowMap (void)
	Returns a pointer to the shadow map with single sampling Note that if multisapling is used (num samples > 1) a blit operation is performed, and the single sampled map is returned. More...
Tucano::Framebuffer *	getShadowMapMultisample (void)
	Returns a pointer to the multisampled shadow map. More...
void	setNumSamples (int n)
	Set the number of samples for multisampling. More...
void	setBufferSize (const Eigen::Vector2i &size)
	Set the shadow buffer size. More...
void	createBuffers (void)
	Creates FBOs, or recreates when size changes. More...
void	renderBuffer (const Tucano::Camera &camera)
void	render (Tucano::Mesh &mesh, const Tucano::Camera &camera, const Tucano::Camera &light)
	Composes the shadow depth buffer. More...
Public Member Functions inherited from Tucano::Effect
	Effect (string shadersDir="shaders/")
	Default constructor. More...
virtual Shader *	loadShader (string shader_name)
	Loads a shader by filename, initializes it, and inserts in shaders list. More...
virtual void	loadShader (Shader &shader, string shader_name)
virtual Shader *	loadShader (string shader_name, string vertex_name, string frag_name, string geom_name)
	Loads a shader by complete filenames (with extensions), initializes it, and inserts in shaders list. More...
void	setShadersDir (string dir)
virtual void	reloadShaders (void)
	Reloads all shaders needed for effect usage. More...

Protected Attributes
Tucano::Framebuffer	fbo
	Framebuffer to store the shadow depth map, this is using multisampling. More...
Tucano::Framebuffer	aa_fbo
	A auxiliary fbo to blit multisampled fbo. More...
Tucano::Shader	shadowbuffer_shader
	Creates the shadowmap depth buffer by rendering from light pos. More...
Tucano::Shader	drawbuffer_shader
	Shader to render shadow map. More...
Tucano::Mesh	quad
	Quad for rendering shadow map, mostly for debug. More...
Eigen::Vector2i	viewport = Eigen::Vector2i(1024, 1024)
	Shadowbuffer size. More...
int	depth_tex_id = 0
int	num_samples = 4
bool	recreate_fbo = true
	Flag to recreate buffer during next render. More...
Protected Attributes inherited from Tucano::Effect
std::vector< Shader * >	shaders_list
	Vector of pointers to shaders used in this effect, in case the user needs multiple pass rendering. More...
string	shaders_dir
	Directory in which the shader files are stored. More...

Detailed Description

Simple Shadow Mapping Renders depth buffer from light position to compute the shadow map

Constructor & Destructor Documentation

Tucano::Effects::ShadowMap::ShadowMap ( void  )

inline

Default constructor.

Member Function Documentation

void Tucano::Effects::ShadowMap::clearShadowBuffer ( void  )

inline

void Tucano::Effects::ShadowMap::createBuffers ( void  )

inline

Creates FBOs, or recreates when size changes.

Tucano::Framebuffer* Tucano::Effects::ShadowMap::getShadowMap ( void  )

inline

Returns a pointer to the shadow map with single sampling Note that if multisapling is used (num samples > 1) a blit operation is performed, and the single sampled map is returned.

Returns

Pointer to the shadow map with single sampling

Tucano::Framebuffer* Tucano::Effects::ShadowMap::getShadowMapMultisample ( void  )

inline

Returns a pointer to the multisampled shadow map.

Returns

Pointer to multisample shadowmap

virtual void Tucano::Effects::ShadowMap::initialize ( void  )

inlinevirtual

Initializes the ShadowMap effects,.

Implements Tucano::Effect.

void Tucano::Effects::ShadowMap::render ( Tucano::Mesh &  mesh, const Tucano::Camera &  camera, const Tucano::Camera &  light  )

inline

Composes the shadow depth buffer.

Parameters

mesh	Mesh to be rendered.
camera	A pointer to the camera trackball object.
light	A pointer to the light trackball object.

void Tucano::Effects::ShadowMap::renderBuffer ( const Tucano::Camera &  camera )

inline

void Tucano::Effects::ShadowMap::setBufferSize ( const Eigen::Vector2i &  size )

inline

Set the shadow buffer size.

Parameters

n	Given size as vector 2i

void Tucano::Effects::ShadowMap::setNumSamples ( int  n )

inline

Set the number of samples for multisampling.

Parameters

n	Given number of samples

Member Data Documentation

Tucano::Framebuffer Tucano::Effects::ShadowMap::aa_fbo

protected

A auxiliary fbo to blit multisampled fbo.

int Tucano::Effects::ShadowMap::depth_tex_id = 0

protected

Tucano::Shader Tucano::Effects::ShadowMap::drawbuffer_shader

protected

Shader to render shadow map.

Tucano::Framebuffer Tucano::Effects::ShadowMap::fbo

protected

Framebuffer to store the shadow depth map, this is using multisampling.

int Tucano::Effects::ShadowMap::num_samples = 4

protected

Tucano::Mesh Tucano::Effects::ShadowMap::quad

protected

Quad for rendering shadow map, mostly for debug.

bool Tucano::Effects::ShadowMap::recreate_fbo = true

protected

Flag to recreate buffer during next render.

Tucano::Shader Tucano::Effects::ShadowMap::shadowbuffer_shader

protected

Creates the shadowmap depth buffer by rendering from light pos.

Eigen::Vector2i Tucano::Effects::ShadowMap::viewport = Eigen::Vector2i(1024, 1024)

protected

Shadowbuffer size.

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

• tucano/effects/shadowmap.hpp