pulp::render::ImageAtlas Class Reference

Image atlas — packs small images into a shared GPU texture. More...

#include <texture_atlas.hpp>

Classes
struct	Entry

Public Member Functions
	ImageAtlas (int size=2048)
bool	allocate (uint64_t key, int w, int h, AtlasPacker::Region &out)
	Try to allocate space for an image. Returns the region, or empty on failure.
void	release (uint64_t key)
size_t	evict_stale (uint64_t current_frame, uint64_t max_age=120)
	Evict entries not used since the given frame.
void	mark_used (uint64_t key, uint64_t frame)
size_t	entry_count () const
int	width () const
	Read-only introspection for the inspector's atlas viewer.
int	height () const
float	occupancy () const

Detailed Description

Image atlas — packs small images into a shared GPU texture.

Images under the size threshold are packed; larger ones get their own texture.

Constructor & Destructor Documentation

ImageAtlas()

pulp::render::ImageAtlas::ImageAtlas ( int size = 2048 )

inlineexplicit

Member Function Documentation

allocate()

bool pulp::render::ImageAtlas::allocate	(	uint64_t	key,
		int	w,
		int	h,
		AtlasPacker::Region &	out )

Try to allocate space for an image. Returns the region, or empty on failure.

entry_count()

size_t pulp::render::ImageAtlas::entry_count ( ) const

inline

evict_stale()

size_t pulp::render::ImageAtlas::evict_stale	(	uint64_t	current_frame,
		uint64_t	max_age = 120 )

Evict entries not used since the given frame.

height()

int pulp::render::ImageAtlas::height ( ) const

inline

mark_used()

void pulp::render::ImageAtlas::mark_used	(	uint64_t	key,
		uint64_t	frame )

occupancy()

float pulp::render::ImageAtlas::occupancy ( ) const

inline

release()

void pulp::render::ImageAtlas::release

(

uint64_t

key

)

width()

int pulp::render::ImageAtlas::width ( ) const

inline

Read-only introspection for the inspector's atlas viewer.

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

• /home/runner/work/pulp/pulp/core/render/include/pulp/render/texture_atlas.hpp