acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_draw_sdl_texture_cache.h (2896B)
      1 /**
      2  * @file lv_draw_sdl_texture_cache.h
      3  *
      4  */
      5 
      6 #ifndef LV_DRAW_SDL_TEXTURE_CACHE_H
      7 #define LV_DRAW_SDL_TEXTURE_CACHE_H
      8 
      9 #ifdef __cplusplus
     10 extern "C" {
     11 #endif
     12 
     13 /*********************
     14  *      INCLUDES
     15  *********************/
     16 
     17 #include "../../lv_conf_internal.h"
     18 
     19 #if LV_USE_GPU_SDL
     20 
     21 #include LV_GPU_SDL_INCLUDE_PATH
     22 #include "lv_draw_sdl.h"
     23 #include "lv_draw_sdl_priv.h"
     24 #include "../../draw/lv_img_decoder.h"
     25 #include "../../misc/lv_area.h"
     26 
     27 /*********************
     28  *      DEFINES
     29  *********************/
     30 
     31 #define LV_DRAW_SDL_DEC_DSC_TEXTURE_HEAD "@LVSDLTex"
     32 
     33 /**********************
     34  *      TYPEDEFS
     35  **********************/
     36 
     37 typedef struct {
     38     char head[8];
     39     SDL_Texture * texture;
     40     SDL_Rect rect;
     41     bool texture_managed;
     42     bool texture_referenced;
     43 } lv_draw_sdl_dec_dsc_userdata_t;
     44 
     45 typedef enum {
     46     LV_GPU_CACHE_KEY_MAGIC_ARC = 0x01,
     47     LV_GPU_CACHE_KEY_MAGIC_IMG = 0x11,
     48     LV_GPU_CACHE_KEY_MAGIC_IMG_ROUNDED_CORNERS = 0x12,
     49     LV_GPU_CACHE_KEY_MAGIC_LINE = 0x21,
     50     LV_GPU_CACHE_KEY_MAGIC_RECT_BG = 0x31,
     51     LV_GPU_CACHE_KEY_MAGIC_RECT_SHADOW = 0x32,
     52     LV_GPU_CACHE_KEY_MAGIC_RECT_BORDER = 0x33,
     53     LV_GPU_CACHE_KEY_MAGIC_FONT_GLYPH = 0x41,
     54     LV_GPU_CACHE_KEY_MAGIC_MASK = 0x51,
     55 } lv_sdl_cache_key_magic_t;
     56 
     57 typedef enum {
     58     LV_DRAW_SDL_CACHE_FLAG_NONE = 0,
     59     LV_DRAW_SDL_CACHE_FLAG_MANAGED = 1,
     60 } lv_draw_sdl_cache_flag_t;
     61 
     62 typedef struct {
     63     lv_sdl_cache_key_magic_t magic;
     64     lv_img_src_t type;
     65     int32_t frame_id;
     66 } lv_draw_sdl_cache_key_head_img_t;
     67 
     68 /**********************
     69  * GLOBAL PROTOTYPES
     70  **********************/
     71 
     72 void lv_draw_sdl_texture_cache_init(lv_draw_sdl_ctx_t * ctx);
     73 
     74 void lv_draw_sdl_texture_cache_deinit(lv_draw_sdl_ctx_t * ctx);
     75 
     76 /**
     77  * Find cached texture by key. The texture can be destroyed during usage.
     78  */
     79 SDL_Texture * lv_draw_sdl_texture_cache_get(lv_draw_sdl_ctx_t * ctx, const void * key, size_t key_length, bool * found);
     80 
     81 SDL_Texture * lv_draw_sdl_texture_cache_get_with_userdata(lv_draw_sdl_ctx_t * ctx, const void * key, size_t key_length,
     82                                                           bool * found, void ** userdata);
     83 
     84 void lv_draw_sdl_texture_cache_put(lv_draw_sdl_ctx_t * ctx, const void * key, size_t key_length, SDL_Texture * texture);
     85 
     86 void lv_draw_sdl_texture_cache_put_advanced(lv_draw_sdl_ctx_t * ctx, const void * key, size_t key_length,
     87                                             SDL_Texture * texture, void * userdata, void userdata_free(void *),
     88                                             lv_draw_sdl_cache_flag_t flags);
     89 
     90 lv_draw_sdl_cache_key_head_img_t * lv_draw_sdl_texture_img_key_create(const void * src, int32_t frame_id,
     91                                                                       size_t * size);
     92 
     93 /**********************
     94  *      MACROS
     95  **********************/
     96 #endif /*LV_USE_GPU_SDL*/
     97 
     98 #ifdef __cplusplus
     99 } /*extern "C"*/
    100 #endif
    101 
    102 #endif /*LV_DRAW_SDL_TEXTURE_CACHE_H*/