Classes
struct	Point

Public Member Functions
render_style *	create_render_style () const

bool	init (context &ctx)

bool	enable (context &ctx)
	sets most uniforms

bool	enable (context &ctx, const mat4 &reduction_model_view_matrix)

bool	enable_buffer_manager (clod_point_buffer_manager &manager)

void	disable_buffer_manager ()

bool	disable (context &ctx)

void	clear (cgv::render::context &ctx)

void	draw (context &ctx, size_t start=0, size_t count=0)
	reduces and renders the input by calling reduce_points and draw_points

bool	render (context &ctx, size_t start, size_t count)

void	set_points (cgv::render::context &ctx, const Point *pnts, const size_t num_points)
	this method can be used if the data format of pnts matches with the internal format given by the Point struct

void	set_points (cgv::render::context &ctx, const vec3 positions, const rgb8 colors, const uint8_t *lods, const size_t num_points, const unsigned stride=0)
	to use the clod point renderer lods are required, to generate them use the classes inside libs/pointcloud/octree.h

void	set_frustum_extend (const float &fe)

void	set_max_drawn_points (cgv::render::context &ctx, const unsigned max_points)

void	set_pivot_point (const vec4 &pivot)

void	set_render_style (const render_style &rs)

void	manage_singelton (context &ctx, const std::string &renderer_name, int &ref_count, int ref_count_change)

void	set_prog (shader_program &one_shot_prog)
	set a custom shader program that is used for one enable disable cycle

void	reduce_buffer_init (context &ctx, bool reset_parameters=true)
	initializes reduce,

void	reduce_buffer (context &ctx, const GLuint buffer, const GLuint point_id_buffer, size_t start, size_t count)
	reduces a provided opengl buffer

void	reduce_buffer_finish (context &ctx)
	synchronizes and disables the shader prog.

void	reduce_points (context &ctx, size_t start, size_t count)
	run point reduction step on the input data, you need to call enable first

void	reduce_chunks (context &ctx, const uint32_t chunk_starts, const uint32_t chunk_point_counts, const uint32_t *reduction_sources, uint32_t num_reduction_sources)
	do a point reduction over preselected segments of the input buffer

void	draw_points (context &ctx)
	render reduced points, you need to call reduce_points first to fill the render_buffer

unsigned int	num_reduced_points ()
	gives the number of points written to the reduction buffer

Protected Member Functions
const render_style *	get_style_ptr () const

template<typename T >
const T &	get_style () const

Detailed Description

Definition at line 95 of file clod_point_renderer.h.

Constructor & Destructor Documentation

◆ clod_point_renderer()

cgv::render::clod_point_renderer::clod_point_renderer ( )

Definition at line 165 of file clod_point_renderer.cxx.

Member Function Documentation

◆ clear()

void cgv::render::clod_point_renderer::clear ( cgv::render::context & ctx )

Definition at line 297 of file clod_point_renderer.cxx.

◆ create_render_style()

render_style * cgv::render::clod_point_renderer::create_render_style ( ) const

Definition at line 170 of file clod_point_renderer.cxx.

◆ disable()

bool cgv::render::clod_point_renderer::disable ( context & ctx )

Definition at line 285 of file clod_point_renderer.cxx.

◆ disable_buffer_manager()

void cgv::render::clod_point_renderer::disable_buffer_manager ( )

Definition at line 304 of file clod_point_renderer.cxx.

◆ draw()

void cgv::render::clod_point_renderer::draw	(	context &	ctx,
		size_t	start = `0`,
		size_t	count = `0`
	)

reduces and renders the input by calling reduce_points and draw_points

Definition at line 309 of file clod_point_renderer.cxx.

References draw_points(), and reduce_points().

◆ draw_points()

void cgv::render::clod_point_renderer::draw_points ( context & ctx )

render reduced points, you need to call reduce_points first to fill the render_buffer

Definition at line 138 of file clod_point_renderer.cxx.

References cgv::render::shader_program::disable(), and cgv::render::shader_program::enable().

Referenced by draw().

◆ enable() [1/2]

bool cgv::render::clod_point_renderer::enable ( context & ctx )

sets most uniforms

Definition at line 279 of file clod_point_renderer.cxx.

References enable(), and cgv::render::context::get_modelview_matrix().

Referenced by enable().

◆ enable() [2/2]

bool cgv::render::clod_point_renderer::enable	(	context &	ctx,
		const mat4 &	reduction_model_view_matrix
	)

Definition at line 209 of file clod_point_renderer.cxx.

◆ enable_buffer_manager()

bool cgv::render::clod_point_renderer::enable_buffer_manager ( clod_point_buffer_manager & manager )

Definition at line 362 of file clod_point_renderer.cxx.

◆ get_style()

template<typename T >

const T & cgv::render::clod_point_renderer::get_style ( ) const

inlineprotected

Definition at line 191 of file clod_point_renderer.h.

◆ get_style_ptr()

const render_style * cgv::render::clod_point_renderer::get_style_ptr ( ) const

protected

Definition at line 155 of file clod_point_renderer.cxx.

◆ init()

bool cgv::render::clod_point_renderer::init ( context & ctx )

Definition at line 175 of file clod_point_renderer.cxx.

◆ manage_singelton()

void cgv::render::clod_point_renderer::manage_singelton	(	context &	ctx,
		const std::string &	renderer_name,
		int &	ref_count,
		int	ref_count_change
	)

Definition at line 395 of file clod_point_renderer.cxx.

◆ num_reduced_points()

unsigned int cgv::render::clod_point_renderer::num_reduced_points ( )

gives the number of points written to the reduction buffer

Definition at line 441 of file clod_point_renderer.cxx.

◆ reduce_buffer()

void cgv::render::clod_point_renderer::reduce_buffer	(	context &	ctx,
		const GLuint	buffer,
		const GLuint	point_id_buffer,
		size_t	start,
		size_t	count
	)

reduces a provided opengl buffer

Definition at line 60 of file clod_point_renderer.cxx.

References cgv::render::shader_program::set_uniform().

◆ reduce_buffer_finish()

void cgv::render::clod_point_renderer::reduce_buffer_finish ( context & ctx )

synchronizes and disables the shader prog.

Definition at line 78 of file clod_point_renderer.cxx.

References cgv::render::shader_program::disable().

◆ reduce_buffer_init()

void cgv::render::clod_point_renderer::reduce_buffer_init	(	context &	ctx,
		bool	reset_parameters = `true`
	)

initializes reduce,

enables the reduction compute shader and sets invariant uniforms

Parameters

reset_parameters : resets draw parameter buffer

Definition at line 46 of file clod_point_renderer.cxx.

References cgv::render::shader_program::enable(), cgv::render::shader_program::set_uniform(), and cgv::render::clod_point_buffer_manager::size().

◆ reduce_chunks()

void cgv::render::clod_point_renderer::reduce_chunks	(	context &	ctx,
		const uint32_t *	chunk_starts,
		const uint32_t *	chunk_point_counts,
		const uint32_t *	reduction_sources,
		uint32_t	num_reduction_sources
	)

do a point reduction over preselected segments of the input buffer

Parameters

chunk_starts	index of the first point in a chunk
chunk_point_counts	number of points in each chunk
reduction_sources	ids of chunks considered for reduction

Definition at line 113 of file clod_point_renderer.cxx.

References cgv::render::shader_program::disable(), cgv::render::shader_program::enable(), cgv::render::shader_program::set_uniform(), and cgv::render::clod_point_buffer_manager::size().

◆ reduce_points()

void cgv::render::clod_point_renderer::reduce_points	(	context &	ctx,
		size_t	start,
		size_t	count
	)

run point reduction step on the input data, you need to call enable first

Definition at line 84 of file clod_point_renderer.cxx.

References cgv::render::shader_program::disable(), cgv::render::shader_program::enable(), cgv::render::shader_program::set_uniform(), and cgv::render::clod_point_buffer_manager::size().

Referenced by draw().

◆ render()

bool cgv::render::clod_point_renderer::render	(	context &	ctx,
		size_t	start,
		size_t	count
	)

Definition at line 315 of file clod_point_renderer.cxx.

◆ set_frustum_extend()

void cgv::render::clod_point_renderer::set_frustum_extend ( const float & fe )

Definition at line 380 of file clod_point_renderer.cxx.

◆ set_max_drawn_points()

void cgv::render::clod_point_renderer::set_max_drawn_points	(	cgv::render::context &	ctx,
		const unsigned	max_points
	)

Definition at line 373 of file clod_point_renderer.cxx.

◆ set_pivot_point()

void cgv::render::clod_point_renderer::set_pivot_point ( const vec4 & pivot )

Definition at line 385 of file clod_point_renderer.cxx.

◆ set_points() [1/2]

void cgv::render::clod_point_renderer::set_points	(	cgv::render::context &	ctx,
		const Point *	pnts,
		const size_t	num_points
	)

this method can be used if the data format of pnts matches with the internal format given by the Point struct

Definition at line 324 of file clod_point_renderer.cxx.

Referenced by set_points().

◆ set_points() [2/2]

void cgv::render::clod_point_renderer::set_points	(	cgv::render::context &	ctx,
		const vec3 *	positions,
		const rgb8 *	colors,
		const uint8_t *	lods,
		const size_t	num_points,
		const unsigned	stride = `0`
	)

to use the clod point renderer lods are required, to generate them use the classes inside libs/pointcloud/octree.h

Parameters

positions	: pointer to first points position
color	: pointer to first points color
lods	: pointer to firsts points level of detail
num_points	: number of points to draw
stride	: stride in bytes, zero if positions, color and lods are not stored interleaved

Definition at line 334 of file clod_point_renderer.cxx.

References set_points().

◆ set_prog()

void cgv::render::clod_point_renderer::set_prog ( shader_program & one_shot_prog )

set a custom shader program that is used for one enable disable cycle

Definition at line 420 of file clod_point_renderer.cxx.

◆ set_render_style()

void cgv::render::clod_point_renderer::set_render_style ( const render_style & rs )

Definition at line 390 of file clod_point_renderer.cxx.

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

libs/cgv_gl/clod_point_renderer.h
libs/cgv_gl/clod_point_renderer.cxx

Classes

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ clod_point_renderer()

Member Function Documentation

◆ clear()

◆ create_render_style()

◆ disable()

◆ disable_buffer_manager()

◆ draw()

◆ draw_points()

◆ enable() [1/2]

◆ enable() [2/2]

◆ enable_buffer_manager()

◆ get_style()

◆ get_style_ptr()

◆ init()

◆ manage_singelton()

◆ num_reduced_points()

◆ reduce_buffer()

◆ reduce_buffer_finish()

◆ reduce_buffer_init()

◆ reduce_chunks()

◆ reduce_points()

◆ render()

◆ set_frustum_extend()

◆ set_max_drawn_points()

◆ set_pivot_point()

◆ set_points() [1/2]

◆ set_points() [2/2]

◆ set_prog()

◆ set_render_style()