server/spice_image_cache.h


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#ifndef H_SPICE_IMAGE_CACHE
#define H_SPICE_IMAGE_CACHE

#include <inttypes.h>

#include "common/pixman_utils.h"
#include "common/canvas_base.h"

#include "common/ring.h"

typedef struct ImageCacheItem {
    RingItem lru_link;
    uint64_t id;
#ifdef IMAGE_CACHE_AGE
    uint32_t age;
#endif
    struct ImageCacheItem *next;
    pixman_image_t *image;
} ImageCacheItem;

#define IMAGE_CACHE_HASH_SIZE 1024

typedef struct ImageCache {
    SpiceImageCache base;
    ImageCacheItem *hash_table[IMAGE_CACHE_HASH_SIZE];
    Ring lru;
#ifdef IMAGE_CACHE_AGE
    uint32_t age;
#else
    uint32_t num_items;
#endif
} ImageCache;

int image_cache_hit(ImageCache *cache, uint64_t id);
void image_cache_init(ImageCache *cache);
void image_cache_reset(ImageCache *cache);
void image_cache_aging(ImageCache *cache);

#endif