/** * @file lv_draw_sdl_texture_cache.h * */ #ifndef LV_DRAW_SDL_TEXTURE_CACHE_H #define LV_DRAW_SDL_TEXTURE_CACHE_H #ifdef __cplusplus extern "C" { #endif /********************* * INCLUDES *********************/ #include "../../lv_conf_internal.h" #if LV_USE_GPU_SDL #include LV_GPU_SDL_INCLUDE_PATH #include "lv_draw_sdl.h" #include "lv_draw_sdl_priv.h" #include "../../draw/lv_img_decoder.h" #include "../../misc/lv_area.h" /********************* * DEFINES *********************/ #define LV_DRAW_SDL_DEC_DSC_TEXTURE_HEAD "@LVSDLTex" /********************** * TYPEDEFS **********************/ typedef struct { char head[8]; SDL_Texture * texture; SDL_Rect rect; bool texture_managed; bool texture_referenced; } lv_draw_sdl_dec_dsc_userdata_t; typedef enum { LV_GPU_CACHE_KEY_MAGIC_ARC = 0x01, LV_GPU_CACHE_KEY_MAGIC_IMG = 0x11, LV_GPU_CACHE_KEY_MAGIC_IMG_ROUNDED_CORNERS = 0x12, LV_GPU_CACHE_KEY_MAGIC_LINE = 0x21, LV_GPU_CACHE_KEY_MAGIC_RECT_BG = 0x31, LV_GPU_CACHE_KEY_MAGIC_RECT_SHADOW = 0x32, LV_GPU_CACHE_KEY_MAGIC_RECT_BORDER = 0x33, LV_GPU_CACHE_KEY_MAGIC_FONT_GLYPH = 0x41, LV_GPU_CACHE_KEY_MAGIC_MASK = 0x51, } lv_sdl_cache_key_magic_t; typedef enum { LV_DRAW_SDL_CACHE_FLAG_NONE = 0, LV_DRAW_SDL_CACHE_FLAG_MANAGED = 1, } lv_draw_sdl_cache_flag_t; typedef struct { lv_sdl_cache_key_magic_t magic; lv_img_src_t type; int32_t frame_id; } lv_draw_sdl_cache_key_head_img_t; /********************** * GLOBAL PROTOTYPES **********************/ void lv_draw_sdl_texture_cache_init(lv_draw_sdl_ctx_t * ctx); void lv_draw_sdl_texture_cache_deinit(lv_draw_sdl_ctx_t * ctx); /** * Find cached texture by key. The texture can be destroyed during usage. */ SDL_Texture * lv_draw_sdl_texture_cache_get(lv_draw_sdl_ctx_t * ctx, const void * key, size_t key_length, bool * found); SDL_Texture * lv_draw_sdl_texture_cache_get_with_userdata(lv_draw_sdl_ctx_t * ctx, const void * key, size_t key_length, bool * found, void ** userdata); void lv_draw_sdl_texture_cache_put(lv_draw_sdl_ctx_t * ctx, const void * key, size_t key_length, SDL_Texture * texture); void lv_draw_sdl_texture_cache_put_advanced(lv_draw_sdl_ctx_t * ctx, const void * key, size_t key_length, SDL_Texture * texture, void * userdata, void userdata_free(void *), lv_draw_sdl_cache_flag_t flags); lv_draw_sdl_cache_key_head_img_t * lv_draw_sdl_texture_img_key_create(const void * src, int32_t frame_id, size_t * size); /********************** * MACROS **********************/ #endif /*LV_USE_GPU_SDL*/ #ifdef __cplusplus } /*extern "C"*/ #endif #endif /*LV_DRAW_SDL_TEXTURE_CACHE_H*/