lv_nanovg_fbo_cache.h

Functions

void lv_nanovg_fbo_cache_init(struct _lv_draw_nanovg_unit_t *u)

Initialize the FBO cache.

Parameters:

u – pointer to the nanovg unit

void lv_nanovg_fbo_cache_deinit(struct _lv_draw_nanovg_unit_t *u)

Deinitialize the FBO cache.

Parameters:

u – pointer to the nanovg unit

struct _lv_cache_entry_t *lv_nanovg_fbo_cache_get(struct _lv_draw_nanovg_unit_t *u, int width, int height, int flags, int format)

Get the FBO from the cache, create a new one if not found.

Parameters:

  • u – pointer to the nanovg unit

  • width – the width of the FBO

  • height – the height of the FBO

  • flags – the FBO flags

  • format – the texture format

Returns:

the FBO cache entry, or NULL if not found

void lv_nanovg_fbo_cache_release(struct _lv_draw_nanovg_unit_t *u, struct _lv_cache_entry_t *entry)

Release the FBO from the cache.

Parameters:

  • u – pointer to the nanovg unit

  • entry – the FBO cache entry to release

struct NVGLUframebuffer *lv_nanovg_fbo_cache_entry_to_fb(struct _lv_cache_entry_t *entry)

Convert a cache entry to a framebuffer.

Parameters:

entry – the FBO cache entry

Returns:

the framebuffer pointer